مبدل DC-DC دو طرفه برای سیستم های انرژی تجدید پذیر
BULLETIN OF THE POLISH ACADEMY OF SCIENCES TECHNICAL SCIENCES Vol. 57, No. 4, 2009
S. JALBRZYKOWSKI, and T. CITKO
Abstract.
To improve the energy quality, most of the renewable energy systems
include an energy storage element charged by the bidirectional DC-DC
converter. This paper proposes the bidirectional DC-DC converter which
employs the two bridge configuration resonant class-E converters on the
both sides of the isolating transformer. The low side converter is
controlled as step up and the high side converter is controlled as step
down. The proposed system is characterized by good dynamic properties
and high efficiency because the converter transistors are switched in
ZVS conditions. A theoretical analysis to provide relations for system
design, and the laboratory model investigations to validate the system
characteristic are given in the paper.
Key words: bidirectional, isolated, energy storage system, DC-DC converter.
واژه های کلیدی: دو طرفه، ایزوله، سیستم ذخیره انرژی، مبدل DC-DC.
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P2--A Comparison of Single-Phase p-q Theory and UVT Based Control Algorithms for Single-Phase UPQC
مقایسه تک فاز تئوری PQ و الگوریتم های کنترل مبتنی بر UVT برای UPQCتک فاز
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Yash Pal
Abstract—
This paper employs a single-phase unified quality conditioner (UPQC),
an integration of shunt and series active filters (APF), to perform
voltage and supply current harmonics mitigation and power factor
correction. Both the shunt and series APFs are realized using a
single-phase, two leg voltage source inverter (VSI). For the series APF
the control strategy is based on Unit Vector Template (UVT), while a
comparison is made for the two control strategies namely UVT and
single–phase p-q theory for shunt APF. In both of the control strategies
the control is made over the fundamental supply current and fundamental
supply voltage instead of the fast changing AFs current and voltage,
thereby reducing the computational delay and number of required sensors.
A dynamic model of the UPQC is developed in the MATLAB/SIMULINK
enviournment and the simulation results demonstrating the power quality
improvement in the system are presented for distorted supply and a
combination of linear and non-linear load.
Keywords— Power Quality, UPQC, Harmonics, Power Factor Correction, voltage and current harmonic mitigation
واژه های کلیدی: کیفیت توان، UPQC، هارمونیک ها، اصلاح ضریب قدرت، ولتاژ و کاهش هارمونیکهای جریان
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P3--A New Approach for High Efficiency Buck-Boost DC/DC Converters Using Series Compensation
رویکرد جدید برای بهره وری بالا باک ، بوست در مبدل DC / DC با استفاده از جبران سازی سری
Jun-ichi Itoh
Abstract
- This paper proposesanew buck-boost DC/DC converters, which is
connected in series to the power supply. The proposed circuit provides
only differential voltage between the input voltage and the output
voltage command. The power rating of a conventional circuit is dominated
by the input voltage or the output voltage. In contrast, the voltage
rating of the proposed circuit requires only the differential voltage
between the input and output voltage. In addition, the series converter
generates a positive and negative voltage to realize boost mode and buck
mode, respectively. As a result, the power rating of the DC/DC
converter can be drastically reduced. A new approach for series
compensation converters is introduced in order to realize high
efficiency and a reduction of power rating. Two new buck-boost
converters and their control methods are proposed based on a new concept
in which the proposed circuits consist of an Hbridge circuit and a
power assist circuit. The H-bridge circuit is used in order to determine
the polarity of the differential voltage. The power assist circuit
controls the DC voltage of the H-bridge circuit depending on the output
voltage command. In the proposed circuit, a flyback converter and
inverting chopper are used as the power assist circuit. Simulation and
experimental results are shown in order to demonstrate the advantages of
the proposed converters in comparison with a conventional buckboost
converter. A maximum efficiency of 98% was obtained with the proposed
circuit. The proposed circuits can decrease losses by 2/3 in comparison
with a conventional buck-boost converter. Therefore, the proposed
converter can realize high efficiency and down-sizing in applications
that require the output voltage to be closed to the input voltage.
Index DC/DC converters, High efficiency, battery applications, flyback converter, inverting chopper
شاخص: مبدل DC / DC، راندمان بالا، باتری برای حالات کاربردی، مبدل FLYBACK، چاپر معکوس
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P4--A New Approach to Sensorless Control Method for Brushless DC Motors
یک روش جدید به روش کنترل بدون سنسور برای موتورهای بدون جاروبک DC
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Tae-Sung Kim, Byoung-Gun Park, Dong-MyungLee, Ji-Su Ryu, and Dong-Seok Hyun
International Journal of Control, Automation, and Systems, vol. 6, no. 4,pp. 477-487, August 2008
Abstract:This
paper proposes a new position sensorless drive for brushless DC (BLDC)
motors. Typical sensorless control methods such as the scheme with the
back-EMF detection method show high performance only at a high speed
range because the magnitude of the back-EMF is dependent upon the rotor
speed. This paper presents a new solution that estimates the rotor
position by using an unknown input observer over a full speed range. In
the proposed method, a trapezoidal back-EMF is modelled as an unknown
input and the proposed unknown input observer estimating a line-to-line
back-EMF in real time makes it possible to detect the rotor position. In
particular, this observer has high performance at a low speed range in
that the information of a rotor position is calculated independently of
the rotor speed without an additional circuit or complicated operation
process. Simulations and experiments have been carried out for the
verification of the proposed control scheme.
Keywords:BLDC motor, full speed range, sensorless control, unknown input observer.
واژه های کلیدی: موتور BLDC، محدوده سرعت کامل، کنترل بدون سنسور، مشاهده گر ورودی ناشناخته .
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P5--A New Control Strategy for Bi-Directional DC-DC Converter in Electrical Vehicle
یک استراتژی کنترل جدید برای تبدیل دو جهته DC-DC در برق خودرو
Zhang Xuhui
Abstract
–In order to improve the drive system efficiency，a boost/buck
bi-directional DC-DC converter which can regulate the DC-link voltage
according to optimal efficiency curve is added between the battery and
the traditional voltage source inverters (VSI) supplying a motor. The
traditional control approach for the bi-directional DC-DC converter is
based on the analog control concept. However, it is not the best choice
in digital control environment. In this paper, a new control strategy
with a digital control concept is presented which can achieve a smooth
switching between the boost and buck operation state using only one
controller. The small-signal model of the controller is built and the
relationship between the out power and the DC-link voltage stability is
discussed. The PMSM drive system in electric vehicles (EV) is modeled
using MATLAB/simulink and a operation condition in EV is simulated to
verify the above theoretical analysis. The simulation and theoretical
analysis results match with good agreement.
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P6-- A New Model of Economic Dispatch Considering Energy Conservation and Environmental Protection in Electricity Market
مدل جدید اقتصادی پخش بار با توجه به حفاظت انرژی و حفاظت محیط زیست در بازار برق
Yantao Wang
2012 Published by Elsevier Ltd. Selection and/or peer-review under responsibility of Hainan University
Abstract
The
power system economic dispatch model was improved, which only
considered the feathers of cost and emission. The conception of energy
conservation factor is suggested. Established a new model of economic
dispatch considering energy conservation and environmental protection in
electricity market, then, used it in a simulation system to verify its
effectiveness. The new model gives a preliminary exploration and attempt
on the implementation of the energy conservation power generation
dispatch.
Keywords- Electricity Market; Economic Dispatch; Energy Conservation Dispatch; Energy Conservation Factor
کلمات کلیدی: بازار برق. پخش بار اقتصادی؛ انرژی حفاظت از پخش بار. فاکتور حفاظتانرژی
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P7--
A new single ended fault location algorithm for combined transmission
line considering fault clearing transients without using line parameters
الگوریتم ترکیبی محل خطا جدید برای خط انتقال با توجه به خطا پاکسازی گذرا بدون استفاده از پارامترهای خط
Ismail Niazy, Javad Sadeh
2012 Elsevier Ltd. All rights reserved.
Abstract
In
this paper a new single ended fault location method is proposed for
underground cable combined with overhead lines. In this algorithm fault
clearing high frequency transients are used instead of fault-generated
transients and the line parameters are not needed. In the proposed
algorithm, samples just from voltage transients generated by fault
clearing action of circuit breaker are taken from the sending end of the
cable line. Applying wavelet transform, the first three inceptions of
traveling waves to the fault locator are detected. Using these, the
proposed algorithm at first identifies fault section, overhead or cable,
and then wave speed is calculated and at last location of fault is
determined accurately. Because of using only voltage samples taken from
one terminal, it is simple and economic and does not need to GPS and
data communication and synchronization. Extensive simulations carried
out using SimPowerSystem toolbox of MATLAB, confirm the capabilities and
high accuracy of the proposed method under different system and fault
conditions.
Keywords:Fault location,Fault clearing high-frequency transients,Combined lines,Wavelet transform,Wave speed
کلمات کلیدی:محل خطا ، پاکسازی خطا گذرا با فرکانس بالا، خطوط ترکیبی، تبدیل موجک، سرعت موج
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P8--A Novel Bidirectional Multilevel Boost-Buck Dc-Dc Converter
رمان مبدل دو طرفه چند سطحی با تقویت کتتده باک بوست DC-DC
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Sergio Busquets-Monge
2009 IEEE
Abstract
A
novel noninverting boost-buck dc-dc converter topology is presented,
applicable when both sides of the converter need to have the same
grounding. It is based on the back-to-back connection of two n-level
diode-clamped converter legs, and allows bidirectional power flow. A
simplified topology is proposed for unidirectional power flow
applications. Two new pulse width modulation strategies with different
advantages are proposed to operate the converter guaranteeing dc-link
capacitor voltage balance in every switching cycle for all possible
operating conditions and using small capacitance values. The
semiconductor device losses are analytically compared to the losses in a
conventional two-level boost-buck converter. The analysis yields a
higher efficiency for the multilevel converter, especially as the number
of levels increases. Experimental results are presented to validate the
good converter performance in a five-level converter prototype.
Index Terms—Dc-dc power conversion, multilevel systems,pulse width modulated power converters, pulse width modulation.
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P9-- A Novel LQR Based Optimal Tuning Method for IMP-Based Linear Controllers of Power Electronics/Power Systems
رمان LQR بر اساس روش بهینه تنظیم برای کنترل خطی IMP-بر اساس الکترونیک قدرت / سیستم قدرت
A. Hasanzadeh
2011 IEEE
Abstract—
This
paper presents a new method for tuning linear controllers such as
Proportional-Integrating (PI) and Proportional-Resonant (PR)
structures which are frequently used in different power
electronic and power systemapplications. Those controllers are
placed within a general structure offered by the Internal Model
Principle (IMP) of control theory. In this paper, the first
perspective uses the wellknown concept of Linear Quadratic
Regulator (LQR) to address the problem as a regulation problem.
Matrix of the LQR design is then finely adjusted in order to
assure desired transient response for the system. The second
perspective is based on redefining the LQR problem in order
to make it capable of addressing the optimal tracking problem.
Two specific examples of the method applications, one in a UPS
inverter system and the other one in a DG system, as applied to tuning
of a PR and a PI controller are studied in detail. Both
examples are simulated in PSCAD and the results confirm
analytical derivations.
Index Terms— Tuning linear controllers, PI, PID, PR, optimal control, LQR, UPS inverter, DG.
واژه ها شاخص: تنظیم کنترل خطی ، PI، PID، PR، کنترل بهینه، LQR، اینورتر UPS، DG.
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P10--A SIMPLE METHOD FOR POWER LOSS ESTIMATION IN PWM INVERTER-FED MOTORS
یک روش ساده برای برآورد تلفات توان دراینورتر PWM و موتورهای FED
Ş.G. Roşu
2012 IEEE
Abstract–
This
paper presents a simple power loss estimation method for inverter-fed
low power AC asynchronous and synchronous motors. The method uses a
simulation based DC/AC converter power loss estimation based on
datasheet parameters and load characteristics like measured phase
resistance and current phase delay. A current control scheme is used to
impose a constant current at various speeds. Using this approach both
asynchronous and synchronous motors can be used as a load. Total power
loss is measured as the DC Link current by an amperemeter avoiding the
use of complicated measurement systems.
Keywords: power loss estimation, PWM parameters, Induction Motor, Synchronous Reluctance,
کلید واژه ها: تخمین افت توان، پارامترهای PWM، موتور القایی، رلوکتانس سنکرون،
Permanent Magnet Motor.
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P11--A study of a two stage maximum power point tracking control of a photovoltaic system under
یک مطالعه از کنترل دو مرحله ای ردیابی حداکثر نقطه توان در سیستم های فتوولتائیک
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P12--Advanced Control Strategy of DFIG Wind Turbines
استراتژی کنترل پیشرفته در DFIG توربین های بادی
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P13--AI Based Economic Load Dispatch Incorporating Wind Power Penetration
پخش بار بار اقتصادی AI بر اساس گنجاندن ضریب قدرت باد
Abstract:
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Economic
Load Dispatch (ELD) is one of the most important problems to be solved
in the operation and planning of a power system. Its objective is to
schedule the power generation properly in order to minimize the total
operational cost. Renewable energy resources such as wind power have
significant attention in recent years in power system field. It reduces
fuel consumption and also benefits in curbing emission. But wind power
penetration into conventional systems due to its intermittent nature has
some implications like security concerns. Thus a reasonable trade off
is required between system risk and operational cost. In this paper a
bi-objective economic dispatch problem considering wind power
penetration is formulated. A fuzzy membership function is used to
represent the dispatch of wind power into the conventional system. A
particle swarm optimization algorithm, Genetic algorithm and a
bacteria-foraging technique are adopted to develop a dispatch scheme
compromising both the economic and security requirements. The results of
all these 3 proposed techniques are compared. Numerical analyses are
reported based on a typical IEEE-30-bus with six-generator test power
system to show the validity and applicability of the proposed
approaches.
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P14--An Integral Battery Charger With Power Factor Correction for Electric Scoote
یک شارژر انتگرالی باتری با ضریب توان برای Scooteبرقی
Gianmario Pellegrino, Member, IEEE, Eric Armando, and Paolo Guglielmi, Member, IEEE
IEEE TRANSACTIONS ON POWER ELECTRONICS, VOL. 25, NO. 3, MARCH 2010
Abstract—This
paper presents an integral battery charger for an electric scooter with
high voltage batteries and interior-permanentmagnet motor traction
drive. The battery charger is derived from the power hardware of the
scooter, with the ac motor drive that operates as three-phase boost
rectifier with power factor correction capability. The control of the
charger is also integrated into the scooter control firmware that is
implemented on a fixed-point DSP controller. Current-controlled or
voltage-controlled charge modes are actuated according to the
requirements of the battery management system, that is embedded into the
battery pack. With respect to previous integrated chargers, the ac
current is absorbed at unitary power factor with no harmonic distortion.
Moreover,no additional filtering is needed since the pulsewidth
modulation ripple is minimized by means of phase interleaving. The
feasibility of the integral charger with different ac motors (induction
motor, surface-mounted phase modulation motor) is also discussed, by
means of a general model purposely developed for three-phase ac
machines. The effectiveness of the proposed battery charger is
experimentally demonstrated on a prototype electric scooter,equipped
with two Li-ion battery packs rated 260 V, 20 Ah.
Index Terms—AC
motor drives, AC motor modelling, ac–dc power conversion, battery
chargers, interleaved converter, road vehicle electric propulsion.
واژه ها شاخص: درایو موتور AC، مدل AC موتور،مبدل AC-DC قدرت، شارژر باتری، مبدل لایه ای، وسیله نقلیه جاده ای.
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P15--Analysis of 3-Phase Superconducting Fault Current Limiters in Power Systems With Inhomogeneous Quenching
تجزیه و تحلیل 3 فاز ابررسانا جریان محدود کننده در سیستم های قدرت ناهمگن
Diaa-Eldin A. Mansour,Member, IEEE, and Doaa M. Yehia
IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY, VOL. 23, NO. 3,JUNE 2013
Abstract—The
limitation behavior of a 3-phase superconducting fault current limiter
(SFCL) in power systems is greatly affected by inhomogeneous quenching
among phases, where it can lead to increasing current limitation burden
upon some phase units.Accordingly, this paper aims to analyze the
behavior of SFCL with inhomogeneous quenching among phases. A model is
developed for the resistive type SFCL using PSCAD/EMTDC software
considering the transition from superconducting state to normal
conducting state through flux flow state. Inhomogeneous quenching is
represented in two different ways, either as an inhomogeneity in Ic
value or an inhomogeneity innvalue. Different types of faults including
symmetrical and unsymmetrical faults are studied. For each case, the
influence of inhomogeneous quenching on current limitation and
corresponding voltage drop across units is evaluated. From the obtained
results, it is found that the most severe case appears for line-to-line
fault. Therefore, the effect of inhomogeneity degree is discussed for
this fault type.
Index Terms—Current limitation burden,
inhomogeneous quenching, superconducting fault current limiter
(SFCL),symmetrical, unsymmetrical faults.
واژه ها شاخص: محدودیت جریان بار ، فرآیند کوئیچینگ ناهمگن، محدودکننده جریان خطا ابررسانا (SFCL)، متقارن، خطاهای نامتقارن.
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P16-- Ant colony optimisation for economic dispatch problem with non-smooth cost functions
بهینه سازی کلونی مورچه ها برای مشکلات توزیع اقتصادی با توابع هزینه غیر یکنواخت
Saravuth Pothiya, Issarachai Ngamroo, Waree Kongprawechnon
Electrical Power and Energy Systems 32 (2010) 478–48
Abstract
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This
paper presents a novel and efficient optimisation approach based on the
ant colony optimization (ACO) for solving the economic dispatch (ED)
problem with non-smooth cost functions. In order to improve the
performance of ACO algorithm, three additional techniques, i.e. priority
list, variable reduction, and zoom feature are presented. To show its
efficiency and effectiveness, the proposed ACO is applied to two types
of ED problems with non-smooth cost functions. Firstly, the ED problem
with valve-point loading effects consists of 13 and 40 generating units.
Secondly, the ED problem considering the multiple fuels consists of 10
units. Additionally, the results of the proposed ACO are compared with
those of the conventional heuristic approaches. The experimental results
show that the proposed ACO approach is comparatively capable of
obtaining higher quality solution and faster computational time.
Keywords:Ant colony optimization,Economic dispatch problem,Genetic algorithm,Particle swarm optimization ,Tabu search
کلمات کلیدی: بهینه سازی مورچگان، مشکل توزیع اقتصادی، الگوریتم ژنتیک، بهینه سازی ازدحام ذرات، جوستجو توبا
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P17-- application of pattern search method to power system valve-point economic load dispatch
استفاده از روش جستجوی پترن سرچ در سیستم قدرت نقطه سوپاپ توزیع بار اقتصادی
J.S. Al-Sumait, A.K. AL-Othman, J.K. Sykulski
Elsevier--Electrical Power and Energy Systems 29 (2007) 720–730
Abstract
Direct
search (DS) methods are evolutionary algorithms used to solve
constrained optimization problems. DS methods do not require any
information about the gradient of the objective function at hand, while
searching for an optimum solution. One of such methods is pattern search
(PS) algorithm. This study presents a new approach based on a
constrained pattern search algorithm to solve well-known power system
economic load dispatch problem (ELD) with valve-point effect. For
illustrative purposes, the proposed PS technique has been applied to
various test systems to validate its effectiveness. Furthermore,
convergence characteristics and robustness of the proposed method has
been assessed and investigated through comparison with results reported
in literature. The outcome is very encouraging and proves that pattern
search (PS) is very applicable for solving power system economic load
dispatch problem.
Keywords:Economic-load dispatch; Valve-point
effect; Direct search method; Pattern search method; Evolutionary
algorithms (EA); Optimization
کلید واژه ها: توزیع اقتصادی بار. اثر سوپاپ نقطه. روش جستجوی مستقیم. روش جستجوی الگو. الگوریتم های تکاملی (EA)؛ بهینه سازی
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P18--Comparative performance analysis of Thyristor and IGBT based induction motor soft starters
تجزیه و تحلیل عملکرد مقایسه ای تریستور و IGBT بر اساس شروع نرم موتور القایی
Ahmed Riyaz, Atif Iqbal, Shaikh Moinoddin, SK. MoinAhmed, Haitham Abu-Rub
International Journal of Engineering, Science and Technology Vol. 1, No. 1, 2009, pp. 90-105
Abstract
In
this paper the performance of a split-phase motor and a three-phase
induction motor drives for soft starting is evaluated. The paper
systematically investigates and compares the characteristics of
a variable voltage fed induction motor drive for two different
types of soft starters; one based on IGBT and another based
on Thyristor. Experimental validation is done using analogue
circuit based system, developed in the laboratory. The novelty
of the work lies in the development of simple and flexible
models for simulation purpose and their experimental validation.
Keywords:Variable speed electric drives, Soft starter, Thyristor, IGBT
کلید واژه ها: درایوهای سرعت متغیر الکتریکی و سافت استارتر، تریستور، IGBT
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P19--Comparison of SVC and STATCOM in Static Voltage Stability Margin Enhancement
مقایسه SVC و STATCOM در افزایش حاشیه پایداری ولتاژ استاتیک
Mehrdad Ahmadi Kamarposhti and Mostafa Alinezhad
World Academy of Science, Engineering and Technology 50 2009
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Abstract—One
of the major causes of voltage instability is the reactive power
limit of the system. Improving the system's reactive power
handling capacity via Flexible AC transmission System (FACTS) devices
is a remedy for prevention of voltage instability and hence
voltage collapse. In this paper, the effects of SVC and STATCOM in
Static Voltage Stability Margin Enhancement will be studied. AC
and DC representations of SVC and STATCOM are used in the
continuation power flow process in static voltage stability study. The
IEEE-14 bus system is simulated to test the increasing loadability. It
is found that these controllers significantly increase the loadability
margin of power systems.
Keywords—SVC, STATCOM, Voltage Collapse, Maximum Loading Point.
کلید واژه ها: SVC، STATCOM، فروپاشی ولتاژ، حداکثر نقطه بارگذاری.
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P20--Control and operation of distributed generation in distribution systems
کنترل و بهره برداری از مولدهای تولید پراکنده در سیستم های توزیع
Pukar Mahat,Zhe Chen, Birgitte Bak-Jensen
Elsevier, Electric Power Systems Research81 (2011) 495–502
Abstract
Many
distribution systems nowadays have significant penetration of
distributed generation (DG) and thus, islanding operation of these
distribution systems is becoming a viable option for economical and
technical reasons. The DG should operate optimally during both
grid-connected and island conditions, which can be achieved with change
in operating strategy. Many islanding detection techniques have been
developed but little work has been done to detect grid re-connection.
This paper presents strategies to operate DG in grid connected and
islanded modes and a new grid re-connection detection algorithm, which
uses average rate of change of frequency (Af5) and real power shift
(RPS), in the islanded mode. RPS will increase or decrease the power set
point of the generator with increasing or decreasing system frequency,
respectively. Simulation results show that the proposed method can
operate the DG efficiently and is effective in detecting
grid-reconnection.
Keywords:Droop control,Grid re-connection
detection,Islanding detection,Isochronous control,Isochronous control
with feedback,Power factor control
واژه های کلیدی: افت کنترل،
شبکه تشخیص مجدد اتصال، تشخیص جزیره ای، کنترل همزمان دنباله، کنترل همزمان
دنباله با بازخورد، کنترل ضریب قدرت
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P21-- Input-Output Feedback Linearization Control for IPMSM using Maximum Torque Per Ampere Strategy
بازخورد کنترل خطی ورودی، خروجی برای IPMSM با استفاده از استراتژی حداکثر گشتاور در آمپر
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P22--Control strategy for distributed integration of photovoltaic in DC micro-grids
استراتژی کنترل برای یکپارچه سازی توزیع فتوولتائیک در DC ریز شبکه
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P23--A Two-Phase Interleaved Power Factor Correction
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P24--Design of neural network-based control systems for active steering
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P25--Development of a new derivative-based algorithm
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P26--Direct Power Control of Active Filters With Averaged Switching Frequency Regulation
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P27--A New Method for Fault Detection during Power
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P28--Dynamic economic dispatch for wind-thermal bi-population differential evolution
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P29--Dynamic Modeling and Performance Analysis of Grid Connected PMSG wind
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P30--Dynamic Stability Enhancement using Genetic Algorithm & pso Power System Stabilizer
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P31--Elimination of harmonics in multilevel inverters with non-equal
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P32--Experimental investigation on the performance of an autonomous wind energy
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P33--Explicit Model-Predictive Control of a PWM Inverter With an LCL Filter
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P34--fazzy type1
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P35--FLC-Based DTC Scheme to Improve the Dynamic Performance of an IM Drive
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P36--fuzzy_type2
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P37--DC-bus power quality for aircraft power systems during generator fault conditions
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P38--Application of Synchronous Static Series Compensator (SSSC) on Enhancement of Voltage
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P39--Comparative vector control and direct control
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P40--A Five-Phase Two-Machine Vector Controlled Induction Motor
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P41--GECO Global Event-Driven Co-Simulation Framework for Interconnected Power System and Communication Network
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P42--Genetic-based algorithm for power economic load dispatch
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P43--Grid synchronisation with harmonics and reactive power compensation capability of wind
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P44--High-Quality Power Generation Through Distributed Control of a Power Park Microgrid
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P45--hvdc 12& 6 ﺗﺤﻠﻴﻞ ﻭ ﺑﺮﺭﺳﻲ ﻫﺎﺭﻣﻮﻧﻴﻜﻲ ﺑﻴﻦ ﻋﻤﻠﻜﺮﺩ ﺩﻭ ﻣﺒﺪﻝ 12 ﭘﺎﻟﺴﻪ ﻭ 6 ﭘﺎﻟﺴﻪ ﺩﺭ ﺳﻴﺴﺘﻢ ﻫﺎﻱ----HVDC
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P46--VSC-Based HVDC Power Transmission Systems
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P47--PERFORMANCE OF INDUCTION MOTOR USING HYSTERESIS
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P48--Interleaved ZVS Converter With Ripple-Current Cancellation
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P49--Modeling
and Simulation of a PWM Rectifier Inverter Induction Motor Drive System
Implementing Speed Sensorless Direct Vector Control
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P50--Modeling and Simulation of Direct Torque Control Induction Motor Drives via Constant VoltHertz Technique
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P51--Modeling and Simulation of Wind Energy Conversion System in Distributed Generation Units
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P52--Modeling, Analysis and Speed Control Design Methods of a DC Motor
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P53--MODELLING AND SIMULATION OF MICRO TURBINE BASED SMART GRID
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P54--Mppt and Simulation for a Grid-Connected Photovoltaic System and Fault Analysis
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P55--Multicriteria Design of Hybrid Power Generation
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P56--A simplified nonlinear controller (sssc)
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P57--Non-smooth economic dispatch computation by fuzzy and self adaptive particle
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P58--On Power Quality of Variable-Speed Constant-Frequency Aircraft Electric Power System
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P59--POWER QUALITY ISSUES IN ASTAND-ALONE MICROGRID BASED ON RENEWABLE ENERGY
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P60--Power-Quality Improvement of a Stand-Alone
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P61--SIMULATION STUDY OF THREE-PHASE INDUCTION MOTOR
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P62--Probabilistic energy and operation management of a microgrid containing wind
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P63--Simulation of Closed Loop Controlled Boost
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P64--Rapid Prototyping Tools for Power Electronic
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P65--Reliability assessment of a wind-power system
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P66--
A Study on the Application of a Superconducting Fault Current Limiter
for Energy Storage Protection in a Power Distribution System
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P67--Research On Thermal Power Plant Economic Dispatch Based On
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P68--Separately Excited DC Motor Speed Control Using Four Quadrant Chopper
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P69--Rapid Prototyping Tools for Power Electronic-in
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P70--Space vector PWM Technique for 3phase voltage
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P71—ﺑﻬﻴﻨﻪ ﺳﺎزی اﻟﮕﻮی ﻛﻠﻴﺪ زﻧﻲ ﻣﺪوﻻﺳﻴﻮن ﭘﻬﻨﺎی ﭘﺎﻟﺲ ﻓﻀﺎی ﺑﺮداری دراﻳﻨﻮرﺗﺮﻫﺎی دو ﺳﻄﺤﻲ ﺑﺎ ﺗﻮاﺑﻊ ﻫﺪف ﻣﺨﺘﻠﻒ
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P72--Synchronous-Reference-Frame-Based Control
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P73--PV Output Power Smoothing Using Energy Capacitor System
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P74--The Essence of Three-Phase PFC Rectifier Systems
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P75--The Influence of the Network Impedance on the Nonsinusoidal (Harmonic) Network Current
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P76--Application of a Multivariable Feedback Linearization Scheme for Rotor Angle Stability and
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P77--Transformer Internal Faults Simulation
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P78--Lightning overvoltages
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P79--UPQC for Power Quality Improvement in DG
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P80--vector control of squirrel cage induction generator for wind power
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P81--Soft Switching Condition Analysis for a Novel ZVS
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P82--کنترل برداری موتور القایی با روش مدولاسیون بردار فضایی با اینورتر جریان
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P83--A New DCDC Converter With Wide-Range ZVS
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P84--A THREE-PHASE BOOST DC-AC CONVERTER
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P85--Phase-Locked Loop Based on Selective Harmonics
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P86--Thermal Unit Commitment considering Pumped
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P87--Benefits of Power Electronic Interfaces
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P88--Direct Power Control of Doubly Fed Induction
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P89--Design and Analysis of High Efficiency DC-DC
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P90--Design and Performance of a Bidirectional Isolated
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P91--USING FACTS DEVICES TO RESOLVE CONGESTIONS
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P92--Direct Torque Control of Inverter Fed PMSM
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P93--A Discrete State-Space Control Scheme for Dynamic Voltage Restorers
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P94--Enhanced Power System Stability
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P95--Dynamic equivalents for calculation of power system restoration
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P96--Fixed and variable power angle control methods for
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P97--High-Efficiency Single-Input Multiple-Output
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P98--Load Flow Analysis with UPFC under Unsymmetrical Fault
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P99--MODELLING AND SIMULATION OF THE THREE-PHASE
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P100--The use of Facts devices in disturbed Power
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P101--modeling-and-simulation-of-microturb
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P102--Modified_Dynamic_Phasor_Estimation_Algorithm_for
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P103--A complete modeling and simulation of induction generator
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P104--Swarm optimization fuzzy controller for diabetes delayed model
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P105--Power Quality Improvement in Grid Connected Wind Energy System Using Facts Device and PID Controller
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P106--Economic Load Dispatch and DC-Optimal Power Flow Problem- PSO versus LR
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P107--D-SSSC
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P108--An improved soft switched PWM interleaved boost AC–DC converter
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P109--CHARACTERISTICS OF VARIABLE SPEED WIND TURBINES
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P110--Secondary- Side Phase-Shift
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P111--Reactive power management of distribution networks with wind generation
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P112--Dead-Time Effect of the High-Frequency Isolated
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P113--SHM with Genetic
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p114--A Comprehensive LVRT Control Strategy
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p115--A FACTS Device
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p116--DG Units
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p117--Switching Transient of 1000-kV UHV
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P118--A Dual Full-Bridge Resonant Class
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P119--A_MATLAB-Simulink-Based_PV_Module_Model
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P120--Arc
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P121--DFIG-Based Wind Power Conversion With Grid
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P122--Hybrid fuel cell based Distributed Generation system
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P123--Influence of Mode of Operation of the SSSC on the
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P124--Multi-Objective Optimal SVC Installation for Power
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P125--BuckBoost DC–DC Converter Topology With Soft
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P126--Protection of Microgrids Using Differential Relays
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P127--dvr
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P128-- DFIG-Based Wind Power Conversion With Grid Power Leveling for Reduced Gusts
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P129-- Modified Dynamic Phasor Estimation Algorithm for the Transient Signals of Distributed Generator
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P130--On-line Capacitance and Dissipation Factor Monitoring of AC Stator Insulation
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P131--A New Approach for High Efficiency Buck-Boost DCDC Converters Using Series Compensation
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P132-- Photovoltaic applications for off-grid electrification using novel multi-level inverter technology with energy storage
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P133-- A New Model of Economic Dispatch Considering Energy Conservation and Environmental Protection in Electricity Market
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P134-- A MATLAB-Simulink-Based PV Module Model and Its Application Under Conditions of Nonuniform Irradiance
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P135-- Implementation of Particle Swarm Optimization for Dynamic Economic Load Dispatch Problem
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P136-- Digital Control of a Single-Phase UPS Inverter for Robust AC-Voltage Tracking
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P137-- Islanding Detection for Inverter-Based DG Coupled With Frequency-Dependent Static Loads
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P138-- A hybrid multi-agent based particle swarm optimization algorithm for economic power dispatch
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P139-- Buck/Boost DC–DC Converter Topology With Soft Switching in the Whole Operating Region
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P140-- An Optimized Transformerless Photovoltaic Grid-Connected Inverter
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P141-- Unipolar PWM Strategy for Transformerless PV Grid-Connected Converters
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P142-- P-Q Control Matrix Converter Based UPFC By Direct Power Control Method
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P143-- Pulsewidth Modulation of Z-Source Inverters With Minimum Inductor Current Ripple
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P144-- Differential Evolution Algorithm for Multi-objective Economic Load Dispatch Considering Minimum Emission Costs
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P145-- Direct Active and Reactive Power Regulation of Grid-Connected DC/AC Converters Using Sliding Mode Control Approach
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P146-- Three-Arm AC Automatic Voltage Regulator
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P147-- Reactive Power Control of Permanent-Magnet Synchronous Wind Generator With Matrix Converter
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P148-- Circuit Breaker Model using Serially Connected 3 Arc Models for EMTP Simulation
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P149-- Harmonic Analysis in a Power System with Wind Generation
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P150-- Adaptive Relaying of Radial Distribution System with Distributed Generation
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P152-- Research On Thermal Power Plant Economic Dispatch Based On Dynamic Programming
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P154-- A Comprehensive Tool for Congestion-Based Nodal Price Modelling
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P155-- MODELLING OF PMSM AND FOC OF PMSM BASED ON SPWM WITH MATLAB/SIMULINK
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P156--Control and Filter Design of Three-Phase Inverters for High Power Quality Grid Connection
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P157--Enhanced Power Quality Control Strategy for Single-Phase Inverters in Distributed Generation Systems
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P158--Large-Scale Real-Time Simulation of Wind Power Plants into Hydro-Québec Power System
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P159--A
Single-Input Single-Output Approach by using Minor-Loop Voltage
Feedback Compensation with Modified SPWM Technique for Three-Phase AC–DC
Buck Converter
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P160--A Three-Phase High Frequency SemiControlled Rectifier For PM WECS
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P161--A Comparison of Control Algorithms for DSTATCOM
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P162--A DC Signal Injection-Based Thermal Protection Scheme for Soft-Starter-Connected Induction Motors
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P163--A
Deterministic Particle Swarm Optimization Maximum Power Point Tracker
for Photovoltaic System Under Partial Shading Condition
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P164--A
Generalized Framework for Optimal Sizing of Distributed Energy
Resources in Micro-Grids Using an Indicator-Based Swarm Approach
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P165--A New Asymmetrical Current-fed Converter with Voltage Lifting
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P166--A New High Efficient Bi-directional DC/DC Converter in the Dual Voltage System
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P167--A new soft switched push pull current fed converter for fuel cell applications
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P168--A New Zero Voltage Switching Buck-Boost Type DC-DC Converter
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P169--A simplified nonlinear controller for transient stability enhancement of multimachine power systems using SSSC device
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P170--A Single-Phase Grid-Connected Fuel Cell System Based on a Boost-Inverter
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P171--Adaptive coordinated passivation control for generator excitation and thyristor controlled series compensation system
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P172--An Optimized Transformerless Photovoltaic Grid-Connected Inverter
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P173--Autonomous Control of Interlinking Converter With Energy Storage in Hybrid AC–DC Microgrid
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P174--Buck/Boost DC–DC Converter Topology With Soft Switching in the Whole Operating Region
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P175--Comparison Between Fuzzy and P&O Control for MPPT for Photovoltaic System Using Boost Converter
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P176--Design and Simulation of a Novel Self Supported Dynamic Voltage Restorer (DVR) for Power Quality Improvement
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P177--Direct Active and Reactive Power Control of DFIG for Wind Energy Generation
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P178--Economic Transmission Augmentation With Explicit Modeling of the Competition Benefit
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P179--FPGA implementation of adaptive ANN controller for speed regulation of permanent magnet stepper motor drives
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P180--High step-up zero-voltage switching current-fed isolated pulse width modulation DC– DC converter
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P181--Large-Scale Real-Time Simulation of Wind Power Plants into Hydro-Québec Power System
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P183--Maximum Power Point Tracking using Fuzzy Logic Control for Photovoltaic Systems
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P184--Modeling and Control Design of the Interleaved Double Dual Boost Converter
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P185--Modified Dynamic Phasor Estimation Algorithm for the Transient Signals of Distributed Generators
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P186--Modular Multilevel Cascade Converter Based Statcom for Reactive Power Compensation
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P187--Novel Fault Ride-Through Configuration and Transient Management Scheme for Doubly Fed Induction Generator
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P188--Optimal DG placement in deregulated electricity market
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P189--Optimal interface based on power electronics in distributed generation systems for fuel cells
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P190--Optimal Operation of Independent Storage Systems in Energy and Reserve Markets With High Wind Penetration
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P191--Optimum Generation Control in Wind Parks When Carrying Out System Operator Requests
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P192--Photovoltaic System in Term of the Variable Irradiation Connected To Micro-Grid DC
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P193--Pulsewidth Modulation of Z-Source Inverters With Minimum Inductor Current Ripple
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P194--Short-term electricity prices forecasting in a competitive market by a hybrid intelligent approach
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P195--Study and Effects of UPFC and its Control System for Power Flow Control and Voltage Injection in a Power System
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P196--Study on Operational Tests for FACTS Thyristor Valves
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P197--Subsynchronous resonance mitigation using variablespeed wind energy conversion systems
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P198--The Discrimination of Inrush Current from Internal Fault of Power Transformer based on EMD
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P199--Z-source-based isolated high step-up converter
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20--کنترل گشتاور موتور القایی با روش DTC
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21--طراحی
کنترل کننده بار فرکانس PID با استفاده از الگوریتم PSO با در نظر گیری
نامعینی های سیستم قدرت دو ناحیه ای و محدودیت های گاورنر و توربین
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22--توزیع بهینه توان راکتیو با استفاده از الگوریتم بهینه سازی دسته ذرات
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23--استفاده از روش جدید الگوریتم توسعه یافته اجتماع ذرات در مدیریت بهینه اقتصادی امنیتی توان راکتیو در سیستم های قدرت
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24--مدل کردن ژنراتور و طراحی پایدار ساز در سیستم های قدرت چند ماشینه با استفاده از الگوریتم ژنتیک و شبکه های عصبی
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25--بهینه سازی الگوی کلید زنی مدولاسیون پهنای پالس فضای برداری در اینورتر دو سطحی با توابع هدف مختلف
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26--کنترل برداری موتور القائی با استفاده از روش مدولاسیون بردار فضائی با اینورتر منبع جریان
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27--ارائه روش جدید بکارگیری طبقه بندی کننده SVM جهت طبقه بندی خطاهای داخلی ترانسفورماتور های قدرت
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29--تئوری توان راکتیو لحظه ای بهبود یافته برای فیلترهای اکتیو قدرت
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30--مدل سازی توربین بادی سرعت متغییر با ژنراتور القایی دو تغذیه ای برای کنترل ولتاژ در حالت اتصال به شبکه قدرت
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31--برنامه ریزی توسعه شبکه انتقال به منظور افزایش رقابت و کاهش انرژی تامین نشده
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32--برنامه ریزی توسعه شبکه انتقال در جهت بهینه نمودن کفایت خطوط به کمک الگوریتم ژنتیک
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33--بهینه سازی الگوی کلید زنی مدولاسیون پهنای پالس فضای برداری در اینورترهای دو سطحی با توابع هدف مختلف
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34--بهینه سازی تولید در سیستم های قدرت چند ناحیه ای به روش پترن سرچ
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35--پیاده سازی آزمایشگاهی سیستم کنترل هوشمند مبتنی بر یادگیری عاطفی مغز
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36--پیش بینی بار کوتاه مدت با استفاده از روش عصبی فازی
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37--تاثیر (STATCOM) مبتنی بر پایدارساز جهت بهبود پایداری سیستم های قدرت
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38--تحلیل و بررسی هارمونیکی بین عملکرد دو مبدل 12 پالسه و 6 پالسه در سیستم های HVDC
azsoft.ir
09367292276
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azsoft.ir
azsoft.ir
09367292276
azsoftir@gmail.com
azsoft.ir
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39--توزیع بهینه توان راکتیو با استفاده از الگوریتم بهینه سازی دسته ذرات
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40--جایابی PSS در سیستم های قدرت تحت استرس با استفاده از شاخصهای غیر خطی مبتنی بر روش سری های مودال
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41--جایابی پست های توزیع بوسیله شبکه عصبی
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42--حذف هارمونیک های انتخابی مراتب پایین در اینورترهای چند سطحی با الگوریتم ترکیبی PSO-GA
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43--روش جدید در جایابی مناسب پایدارسازهای سیستم قدرت به منظور میراسازی نوسانهای بین ناحیه ای با استفاده از روش سری مدال
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44--شبیه سازی فیلتر اکتیو جهت کاهش اثرات هارمونیکهای بار غیر خطی
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45--شبیه سازی و آنالیز یک چاپر AC-DC BUCK-BOOST کوپل شده به موتور DC با استفاده از تکنیک PWM
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46--طراحی پایدار ساز سیستم برای نیروگاه بیستون کرمانشاه
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47--طراحی پایدار ساز سیستم مبتنی بر شبکه موجک فازی به منظور میرا کردن نوسان های فرکانس پایین سیستم قدرت
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48--طراحی کنترل هوشمند BELBIC برای مدل غیر خطی بالگرد مدل
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49--طراحی مقاوم پایدارساز سیستم قدرت با استفاده از تئوری H بی نهایت
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50--طراحی و ارزیابی سیستم قدرت بروش تئوری فیدبک کمی با استفاده از کلید زنی دو کنترل کننده
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51--طراحی و تجزیه و تحلیل کنترل کننده منطق فازی برای کنترل فرکانس بار در سیستم های قدرت
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52--طراحی و شبیه سازی یک فیلتر اکتیو تکفاز جهت حذف هارمونیک های جریان
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53--طراحی یک مدولاتور تک حلقه سیگما-دلتای مرتبه 5 با پهنای باند نایکوئیست 12 مگاهرتز و دقت 15 بیت
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54--کنترل برداری موتور القائی با استفاده از روش مدولاسیون بردار فضائی با اینورتر منبع جریان
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55--مدل کردن ژنراتور و طراحی پایدار ساز در سیستمهای قدرت چند ماشینه با استفاده از الگوریتم ژنتیک و شبکه های عصبی
azsoft.ir
09367292276
azsoftir@gmail.com
azsoft.ir
azsoft.ir
09367292276
azsoftir@gmail.com
azsoft.ir
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56--یک استراژی و روش جدید برای توسعه شبکه توسعه شبکه انتقال در ساختار رقابتی صنعت برق