1. ANALYSIS OF WOUND STATOR MAGNETIC GEAR USING THREE SEGMENT HALBACH ARRAY

Mohammad Amin Moqadasi; Mahmood Hoseini Ali Abadi; Hamid Radmanesh

Volume 1, Issue 1 , Spring 2019, , Pages 1-5

Abstract
  The present study discusses a new structure of single layer magnetic gear (SL-MG) with Halbach array in external rotor, which is named single layer magnetic gear with Halbach array (HSL-MG). The key point in this design is using three segment Halbach array instead of the conventional permanent magnets ...  Read More

2. STRUCTURES FOR HIGH TEMPERATURE SUPERCONDUCTING MAGNETIC BEARINGS

Hamed Hekmati; Mohammad Siamaki; Arsalan Hekmati

Volume 1, Issue 1 , Spring 2019, , Pages 6-18

Abstract
  As a technology, superconductivity has had a great contribution to the advancement of medical science, electronics, astronomy and transportation. With the improvements in the field of superconductivity, the discovery of new materials with better properties, commercialization of these materials, and regarding ...  Read More

3. PROVIDING A METHOD FOR IMPROVING THE STARTUP CONDITIONS OF INDUCTION MOTORS BASED ON CHANGING THE LOAD CHARACTERISTICS

E. Dehjoo; R. Haghmaram; A. Mosallnejad

Volume 1, Issue 1 , Spring 2019, , Pages 19-27

Abstract
  In this paper, the problem of starting an induction motor is investigated and a solution is presented. The large current and considerable torque pulsation of the starting can damage the motor and other consumers connected to the feed line, and increasing the startup time will cause more heat and damage ...  Read More

4. TORQUE RIPPLE REDUCTION OF NON-IDEAL PERMANENT MAGNET BRUSHLESS MOTOR BASED ON SELECTIVE TORQUE HARMONIC ELIMINATION USING ONE CYCLE CONTROL STRATEGY

Abolfazl Halvaei Niasar; Yahya Abdollahi

Volume 1, Issue 1 , Spring 2019, , Pages 28-37

Abstract
  Due to some inevitable restrictions during fabrication of permanent magnet brushless (PMBL) motors, some of them have neither sinusoidal nor trapezoidal back-EMF voltages, that we name them as non-ideal PMBL motors. Employing conventional control strategies of permanent magnet synchronous motors (PMSMs) ...  Read More

5. MISCONCEPTION OF TOTAL HARMONIC DISTORTION IN RESOLVERS

R. Alipour-Sarabi; Z. Nasiri-Gheidari; H. Oraee

Volume 1, Issue 1 , Spring 2019, , Pages 38-43

Abstract
  Resolvers, as magnetic position sensors, are increasingly used in motion-control systems. Due to electro-magnetic structure, they preserve more accurate and reliable operation than optical encoders in stressful conditions. Usually, to evaluate the performance of a resolver, total harmonic distortion ...  Read More

6. AN OBSERVER BASED BLADE-PITCH CONTROLLER FOR WIND USING FINITE SLIDING MODE IN HIGH WIND SPEED

Ali Khaksari; A. Rezazadeh; Majid Ebadifard

Volume 1, Issue 1 , Spring 2019, , Pages 44-50

Abstract
  This paper deals with the problem of designing a robust dynamic output feedback controller for the wind machine. This paper for the first time exploits the designing controller problem of the wind turbines in the presence of time varying delay and uncertain parameters. In this paper, a novel algorithm ...  Read More

7. High-Frequency Physics-Based Analytical Modeling of Permanent Magnet Synchronous Motor

Alireza Rahimi; Khalil Kanzi

Volume 1, Issue 2 , Summer 2019, , Pages 1-10

http://dx.doi.org/10.30503/eecs.2019.110966

Abstract
  In this paper, a physics-based analytical method is proposed in order to model the frequency behavior of laminated iron-core permanent magnet synchronous motor (PMSM). The proposed model consists of frequency-dependent lumped circuit parameters representing two parts; Iron-core and stator winding. These ...  Read More

8. Multiple Robot motion Planning Considering shortest and safest trajectory

Zhanna Gabbassova; Davoud Sedighizadeh; Alireza Sheikhi Fini; Mostafa Seddighizadeh

Volume 1, Issue 3 , Autumn 2019, , Pages 1-6

http://dx.doi.org/10.30503/eecs.2020.251161.1013

Abstract
  Extending multiple robot motion planning in unknown workspaces is a interesting scope in the Robot motion planning that in this paper is considered. It is used from radiation robots sensors in order to detect their surroundings and positions of the other robots. In this article a new approach considering ...  Read More

9. Fast Response Units Scheduling to Provide Power System Required Flexibility under High Penetration of Wind Power Generation

hosein salmani; ali reza rezazadeh

Volume 1, Issue 4 , Winter 2019, , Pages 1-8

http://dx.doi.org/10.30503/eecs.2021.255127.1020

Abstract
  In recent years, increasing of the non-dispatchable resources has posed serious challenges to day-ahead generation scheduling of the power system. Since these resources are random in nature, the issue of flexibility to cover the uncertainty and variability of those has become an important research topic. ...  Read More

10. A Novel Energy Storage System Usage Based on Ultra-capacitor in Variable Speed Wind Turbines (VSWT) for Power Improvement

Mohsen Atash Ab-Parvar; Hamed Hekmati; Alireza Siadatan; Mehdi Bigdeli; Arsalan Hekmati; Mehdi Bagheri

Volume 1, Issue 3 , Autumn 2019, , Pages 7-17

http://dx.doi.org/10.30503/eecs.2020.252285.1017

Abstract
  Wind power as a renewable energy has the potential to become a clean energy source in almost all countries of the world but, there are lots of technical challenges that need to be addressed in advance. Wind speed variation (WSV) is one of the most important issues. Separate from its mechanical effects ...  Read More

11. Aging Comparison of the RTV and nano RTV insulator coatings due to thermal and electrical stress

monire taghvaei; nasim nayebpashaee

Volume 1, Issue 4 , Winter 2019, , Pages 9-16

http://dx.doi.org/10.30503/eecs.2021.302849.1022

Abstract
  RTV silicone rubber offers excellent high and low temperature resistance as well as UV and weathering resistance and has a bright future in the aerospace and electronics industries. On the other hand, the thermal decomposition behavior of polymeric materials significantly affects their aging process ...  Read More

12. Topological and structural review of EV fast chargers

Ali Asghar Sarabadani; reza latifi; ali reza rezazadeh

Volume 1, Issue 2 , Summer 2019, , Pages 11-20

http://dx.doi.org/10.30503/eecs.2019.110971

Abstract
  The increasing growth of the technology and industry of electric propulsion, and consequently the growth of the industry of electric energy storage systems, including batteries, have raised challenges such as optimizing the charging process and storage of electric energy. One of the important factors ...  Read More

13. implementing the manufacture plan and use of high-efficiency permanent magnet electric motors in evaporative coolers

Hassan Ebrahimirad

Volume 1, Issue 4 , Winter 2019, , Pages 17-20

http://dx.doi.org/10.30503/eecs.2021.304616.1024

Abstract
  Nowadays, increasing energy efficiency is the economical and fastest way to generate electricity in the world. Therefore, the importance of energy saving has been considered for many years in Iran, but the allocation of subsidies to energy production sector has led to the lack of a logical and specific ...  Read More

14. AN ANALYTICAL PREDICTION FOR MAGNETIC FIELD DISTRIBUTION IN ONE SMPMSM BASED ON SUBDOMAIN MODEL

Seyed Reza Mortezaeei; Mahmood Hosseini Aliabadi; Shahram Javadi

Volume 1, Issue 3 , Autumn 2019, , Pages 18-26

http://dx.doi.org/10.30503/eecs.2020.251236.1016

Abstract
  The purpose of this paper is to present an Analytical Predict the Electromagnetic Field Density in surface mounted permanent magnet synchronous motors based on a subdomain field model. In this paper, which is one of a series of four, a 2-d analytical method for predicting field distribution in one SMPMSM ...  Read More

15. Position Sensor Error Analysis for PMa-SynR Motor Drive system

Hossein Azizi Moghadam; Masood Saeidi; Abolfazl Vahedi; omid Rezaei; Shervin Salehirad

Volume 1, Issue 2 , Summer 2019, , Pages 21-28

http://dx.doi.org/10.30503/eecs.2020.110968

Abstract
  synchronous reluctance motors are among the most popular electric motors today, due to their relatively good features, but the important thing to consider about these motors is to calculate and estimate their rotor position, and failure to do so may cause damage in their control system. Therefore, many ...  Read More

16. Designing the technical specifications of the propulsion system suitable for electric bus of Tehran and selecting the pilot route

iman sadeghi

Volume 1, Issue 4 , Winter 2019, , Pages 21-30

http://dx.doi.org/10.30503/eecs.2021.304806.1025

Abstract
  This paper contains an investigation about using electric buses alternatively in a BRT line in Tehran. In order to reach this purpose driving cycle of electric bus for different bus routes are simulated and studied. Also with the aim to choose the pilot route, several criteria such as, air and noise ...  Read More

17. Estimation of the dynamic parameters of a battery model under the hysteresis effect employing a hybrid algorithm of particle swarm optimization and grey wolf optimizer

Hasan Mashayekh; Alireza Rezazadeh

Volume 1, Issue 3 , Autumn 2019, , Pages 27-33

http://dx.doi.org/10.30503/eecs.2020.251679.1014

Abstract
  An accurate estimation of battery model parameters is essential for dynamic simulation of electric vehicles. Generally, parameterizing battery models are difficult and complex. Therefore it requires powerful estimation algorithms to overcome time-consuming and computational costs. In this paper, the ...  Read More

18. Research on Effective Parameters on Overvoltage and Inrush Current During Starting-up of VSC-HVDC System

Mahmudreza Changizian; abbas Shoulaie

Volume 1, Issue 2 , Summer 2019, , Pages 29-39

http://dx.doi.org/10.30503/eecs.2019.110965

Abstract
  Abstract—The starting-up strategy is an important issue for voltage source convert-high voltage direct current (VSC-HVDC) system. If a VSC-HVDC system starts up without any auxiliary system or improved control system, overvoltage and inrush current will occur. This large overvoltage can cause serious ...  Read More

19. Distributed Energy Resource Expansion Planning Considering Multi-Resource Regulatory Support Schemes

Alireza Sheikhi Fini

Volume 1, Issue 4 , Winter 2019, , Pages 31-39

http://dx.doi.org/10.30503/eecs.2021.257907.1021

Abstract
  The goal of this paper is to achieve sustainable development. The most important way to achieve sustainable development is increasing the penetration rate of distributed energy resources (DER). A novel approach is presented in this paper for DER expansion planning problem considering multifarious support ...  Read More

20. SUSTAINABILITY-ORIENTED SUPPORT MECHANISMS FOR PROMOTION OF RENEWABLE ENERGY SYSTEMS

Alireza Sheikhi Fini; Davoud Sedighizadeh; Mostafa Seddighizadeh

Volume 1, Issue 3 , Autumn 2019, , Pages 34-41

http://dx.doi.org/10.30503/eecs.2020.251014.1012

Abstract
  Traditionally, power system planning problem focuses on finding the least-cost generation resources including typical conventional fossil fuel based units without paying attention to a complete set of available generation portfolio alternatives. The predominant share of conventional fossil fuel units ...  Read More

21. The economic distribution of power in a micro-grid by mixed integrated linear programming considering the uncertainty in load, wind turbines and photovoltaic systems

Ali Asghar Sarabadani; Hamid Reza Bagheri; Ali Reza Rezazadeh

Volume 1, Issue 2 , Summer 2019, , Pages 40-52

http://dx.doi.org/10.30503/eecs.2019.110910

Abstract
  Using hybrid renewable energy is one of the best alternatives to supply the electrical energy at remote areas. Renewable energy sources are depended to weather conditions or other factors, so for supplying load with renewable sources appropriate capacity of these sources should be selected. In determining ...  Read More

22. Investigating the effect of ground resistivity on off-shore wind turbines losses reduction during lightning strike via FEKO software

monire taghvaei; mohammad javad nasiri

Volume 1, Issue 4 , Winter 2019, , Pages 40-46

http://dx.doi.org/10.30503/eecs.2021.302966.1023

Abstract
  With the growth of wind power energy’s importance throughout the world, losses caused by lightning strike to off-shore wind turbines are taken into consideration more than ever due to massive costs of installation and maintenance of the wind turbines. In this study, a new method for analyzing overcurrent ...  Read More

23. A Survey on Permanent Magnet Synchronous Machines: Recent Applications and Trends

Arsalan Hekmati; Iman Sadeghi Mahalli; Mohammad Siamaki

Volume 1, Issue 3 , Autumn 2019, , Pages 42-50

http://dx.doi.org/10.30503/eecs.2020.251768.1015

Abstract
  In the PMSM, by creating a sinusoidal distribution for conductors at the stator surface, the airgap’s flux density is closer to the sinus form [1]. By replacing the field’s winding with a permanent magnet, the brushes, slip-rings, and copper losses could be removed from synchronous motor. ...  Read More

24. Demagnetization Fault Diagnosis of FSPM Motor Based on ReliefF and SVM

Arta Mohammad-Alikhani; Abolfazl Vahedi; Farshid Mahmouditabar; Mehdi Rahnama

Volume 1, Issue 2 , Summer 2019, , Pages 53-65

http://dx.doi.org/10.30503/eecs.2019.110967

Abstract
  Permanent magnet synchronous motors (PMSMs) have rencently attracted much attention of scientists due to high reliability, high efficiency, high density of power and torque. However, Permanent magnet (PM) motros suffer from irreversible demagnetization which is one of the most probable problems occurring ...  Read More

25. A Comprehensive Review on High Speed Permanent Magnet Motors and their Modern Applications

Arsalan Hekmati; iman sadeghi

Volume 1, Issue 2 , Summer 2019, , Pages 59-65

http://dx.doi.org/10.30503/eecs.2019.110969

Abstract
  Synchronous speeds in all types of alternating current machines depend on the frequency of the power grid, and performance at higher speeds at steady conditions requires higher frequency feeds. The development of speed control drive technology in recent decades has prompted renewed attention to high-speed ...  Read More