Industrial Electronics
A New Method to Detect and Track the Resonance Frequency of Piezoelectric Transducers in Ultrasonic Power Supplies

Ebrahim Taghvayi; Mohammad Reza Karafi

Volume 4, Issue 4 , November 2021, , Pages 409-416

http://dx.doi.org/10.22111/ieco.2021.37647.1341

Abstract
  In this paper, a new method is developed to detect and track the resonance frequency of ultrasonic transducers. In order to have an acceptable performance of transducers, power supplies should be able to detect and track the resonance frequency. Different methods have been used for this purpose. In this ...  Read More

Industrial Electronics
Optimization of a New Extended Cascaded Multilevel Inverter Topology to Reduce DC Voltage Sources and Power Electronic Components

Roya Naderi; Ebrahim Babaei; Mehran Sabahi; Ali Daghigh

Volume 4, Issue 4 , November 2021, , Pages 465-474

http://dx.doi.org/10.22111/ieco.2021.36599.1322

Abstract
  This work proposes a new multilevel inverter consisting of basic and submultilevel units. The basic unit is made-up of four isolated dc voltage sources, two bidirectional switches and ten unidirectional switches. To increase the number of the output voltage levels, a cascaded architecture based on series ...  Read More

Industrial Electronics
An Integrated High Power Self-Equalized Battery Charger Using a Voltage Multiplier and Phase-Shifted Full-Bridge DC-DC Converter for Lithium-Ion Batteries

Mohsen Feizi; Reza Beiranvand; Mahdi Daneshfar

Volume 4, Issue 2 , April 2021, , Pages 141-155

http://dx.doi.org/10.22111/ieco.2020.34921.1290

Abstract
  Conventional energy storage systems (ESSs) such as super-capacitors and lithium-ion batteries require voltage equalization systems to eliminate voltage imbalances, and bidirectional dc-dc converters to complete the charging process. These separated systems require some sensors, inductors, switches, and ...  Read More

Industrial Electronics
PWM Control Methods Based on Mathematical Equations for Z-Source Inverters

Taher Ahmadzadeh; Ebrahim Babaei; Mehran Sabahi; Taher Abedinzadeh

Volume 4, Issue 2 , April 2021, , Pages 167-179

http://dx.doi.org/10.22111/ieco.2020.34508.1279

Abstract
  < p>In power converters, the total harmonic distortion (THD) can be decreased by using two strategies which are filtering and controlling methods. The filtering strategy is indeed costly because of using hardware devices (such as capacitor and inductor). A suitable strategy to control the modern ...  Read More

Industrial Electronics
An Improved Sliding Mode Controller for DC/DC Boost Converters Used in EV Battery Chargers with Robustness against the Input Voltage Variations

Gholamreza Mohebalizadeh; Hasan Alipour; Leila Mohammadian; Mehran Sabahi

Volume 4, Issue 2 , April 2021, , Pages 257-266

http://dx.doi.org/10.22111/ieco.2020.34462.1278

Abstract
  Abstract- An Electric Vehicle Battery Charger (EVBC) faces serious challenges as continuous charging voltage ripple, charging speed, input voltage level variations, and its ability to adapt to the Battery State of Charge (BSOC). A proper controller has an important role to prepare all the mentioned above. ...  Read More

Industrial Electronics
Dynamic Improvement of DC Microgrids with CPLs Using Virtual Inertia Concept

Mehran Jami; Qobad Shafiee; Hassan Bevrani

Volume 4, Issue 1 , January 2021, , Pages 67-76

http://dx.doi.org/10.22111/ieco.2020.33152.1245

Abstract
  In this paper, a virtual inertia control strategy based on linear feedback is presented that improves dynamic behavior of islanded dc microgrids interfaced with constant power loads (CPLs). In order to solve the stability challenges caused by low inertia and CPLs, the proposed control scheme is composed ...  Read More

Industrial Electronics
Design and Analysis of a New Topology of Rotor Magnets in Brushless DC Motors to Reduce Cogging Torque

Seyed Reza Mousavi-Aghdam; Amin Kholosi

Volume 4, Issue 1 , January 2021, , Pages 77-86

http://dx.doi.org/10.22111/ieco.2020.34565.1282

Abstract
  This paper presents a novel topology of permanent magnet brushless DC motors. Brushless DC motors usually experience torque ripple mainly caused by cogging torque. In the proposed motor, the whole structure of the rotor’spermanent magnets hasbeen changed so that the cogging torque is considerably ...  Read More

Industrial Electronics
A Controllable Bidirectional Rectifier for EV Home Charging Station with G2H/G2VH/V2H/V2G Functions

Homayon Soltani Gohari; Karim Abbaszadeh; Jafar Gholami Gorji

Volume 4, Issue 1 , January 2021, , Pages 99-113

http://dx.doi.org/10.22111/ieco.2020.34645.1284

Abstract
  Finding effective solutions to enhance the process of electric vehicles’ charging is the main subject of numerous studies. In this paper, a novel bidirectional multiport rectifier has been presented which can be used as a wall-box converter that is installed in the parking lot of smart buildings ...  Read More

Industrial Electronics
Quantization Noise Reduction Using Random Dither in Direct Torque Control of an Induction Motor

Asghar Taheri; Amir Ghasemian

Volume 3, Issue 4 , September 2020, , Pages 439-445

http://dx.doi.org/10.22111/ieco.2020.32128.1223

Abstract
  A direct torque control (DTC) controlled induction motor drive is presented in this paper. Quantization errors of current and voltage measurements are simulated and considered. To reduce the average quantization error and other offset errors of current and voltage measurement and eliminating the increasing ...  Read More

Industrial Electronics
Linear Modelling of Six Pulse Rectifier and Designee of Model Predictive Controller with Stability Analysis

Hamid Radmanesh; Masood Saeidi

Volume 3, Issue 4 , September 2020, , Pages 491-501

http://dx.doi.org/10.22111/ieco.2020.33560.1253

Abstract
  The AC/DC converter is one of the popular power electronic converters in industrial applications such as in the railway, power supply systems and electric vehicle. In this paper, a three-phase controllable rectifier is considered and its linear model is extracted. Because of MPC controllers benefits, ...  Read More

Industrial Electronics
Using of a three-phase four-switch inverter equipped with a variable index PWM to improve the power quality of a wind power plant

Alireza HossienPour; Reza Ghazi

Volume 3, Issue 3 , July 2020, , Pages 213-222

http://dx.doi.org/10.22111/ieco.2020.32140.1224

Abstract
  Harmonic reduction is an essential issue in a grid-connected variable-speed wind energy conversion system to decrease the electrical losses of the system and improve the power quality. In this paper, a new Shunt Active Filter (SAF) based on a three-phase four-switch inverter is used to improve the output ...  Read More

Industrial Electronics
Design of Adaptive Back-Stepping Controller for Chaos Control in Boost Converter and Controller Coefficients Optimization Using CHPSO Algorithm

seyed Hamid shahalami; Farzin Rajab Nejad

Volume 3, Issue 3 , July 2020, , Pages 249-257

http://dx.doi.org/10.22111/ieco.2020.27669.1106

Abstract
  In this paper, the DC-DC boost converter in chaos mode is controlled using the adaptive Back-stepping method. One of the main features of power electronic converters is their nonlinear behavior due to existence of nonlinear elements such as diodes, switches, comparator and limiters in control circuits. ...  Read More

Industrial Electronics
PV Powered LED Street Lights Optimization Using Zeta-Sepic converter and Photo-Electro-Thermal Theory

saeed danyali; Leila Moteiri

Volume 3, Issue 3 , July 2020, , Pages 291-299

http://dx.doi.org/10.22111/ieco.2020.32127.1222

Abstract
  Nowadays, using the photovoltaic powered LED street lights are spreading due to their higher efficiency and longer lifetime. In this paper, the Zeta-Sepic converter is used to manage the LED light, the PV panel and a battery storage in these systems, since it offers compact and single-stage power conversion. ...  Read More

Industrial Electronics
Adequate Tuning of LCL filter for Robust Performance of Converter Side Current Feedback Control of Grid Connected Modified–Y-Source Inverter

Navid Rasekh; Majid Hosseinpour

Volume 3, Issue 3 , July 2020, , Pages 365-378

http://dx.doi.org/10.22111/ieco.2020.32122.1221

Abstract
  In the grid-tied PV inverter systems, the design of a proper power conditioning system is an important issue to ensure high-quality power injection to the grid. Among various control methods for grid-interfacing inverter with LCL filter, converter-side current feedback (CCF) method has been widely used ...  Read More

Industrial Electronics
Static Eccentricity Fault Diagnosis in a Cylindrical Wound-Rotor Resolver

Shima Tavakoli; Zahra Nasiri-Gheidari

Volume 3, Issue 1 , January 2020, , Pages 19-26

http://dx.doi.org/10.22111/ieco.2019.28577.1134

Abstract
  Static eccentricity (SE) is an intrinsic fault existing in both faulty and newly made resolvers. The late diagnosis of SE causes severe damages to mechanical parts of resolver such as bearings, cores and even windings, in addition to wrong position estimation. However, so far fault diagnosis has not ...  Read More

Industrial Electronics
Comparisons between Generalized Predictive Control and Linear Controllers in Multi-Input DC-DC Boost Converter

Mohsen Ehsani; Masood Saeidi; Hamid Radmanesh; Adib Abrishamifar

Volume 3, Issue 1 , January 2020, , Pages 27-34

http://dx.doi.org/10.22111/ieco.2019.28584.1135

Abstract
  In this paper, the linear state-space model of the multi-input DC-DC boost converter is obtained and based on, a linear SISO model is calculated. Model predictive control (MPC) offers a novel method of designing in the power electronic converters. The application to DC-DC converters offers real benefits ...  Read More

Industrial Electronics
A new topology of the switched-inductor/capacitor quasi Z-source inverter with ability of uplifted-boost

Alireza Karbalaei; Mohammad Mardaneh; Mokhtar Shasadeghi

Volume 3, Issue 1 , January 2020, , Pages 35-46

http://dx.doi.org/10.22111/ieco.2019.29336.1155

Abstract
  In this paper, a new topology of switched-inductor/capacitor quasi impedance source inverter is suggested, which in comparison with the other topologies possesses higher boost voltage inversion at high modulation index and low shoot through duty cycle. Also, this topology has features like continuous ...  Read More

Industrial Electronics
Improved Symmetric Switched-Inductor/Capacitor Quasi Z-Source Inverter with Ability Uplifted-Boost

Alireza Karbalaei; Mohammad Mardaneh

Volume 3, Issue 1 , January 2020, , Pages 47-58

http://dx.doi.org/10.22111/ieco.2019.29465.1159

Abstract
  This paper proposes a topology of switched-inductor/capacitor quasi z-source inverter (SIC-qZSI), which based on the classic qZSI. This topology is symmetric and has a high boost factor in the low duty cycle and high modulation index. Also, the low voltage stress on the capacitors and the low current ...  Read More

Industrial Electronics
A New Boost DC-DC Converter Based on a Coupled Inductor and Voltage Multiplier Cells

Mahmoodreza Eskandarpour Azizkandi; Farzad Sedaghati; Hossein Shayeghi

Volume 2, Issue 4 , October 2019, , Pages 265-278

http://dx.doi.org/10.22111/ieco.2019.28215.1127

Abstract
  A new non-isolated, coupled-inductor, single-switch boost DC-DC converter for photovoltaic (PV) power application is introduced in this paper. A coupled inductor and voltage multiplier cells is used in the presented converter to obtain a high voltage conversion ratio. Also, a passive clamp circuit is ...  Read More

Industrial Electronics
A Z-Source Network Integrated Buck-Boost PFC Rectifier

Mohammad Monfard; Mohammad Babaei; Saeed Sharifi

Volume 2, Issue 4 , October 2019, , Pages 289-296

http://dx.doi.org/10.22111/ieco.2018.26296.1073

Abstract
  This paper presents a wide range gain buck-boost type PFC rectifier based on the conventional buck-boost DC-DC converter. This novel rectifier is fed by a buck-type Z-source network at the DC side with the help of an inductor smoothing the AC side input current. The proposed PFC rectifier offers better ...  Read More

Industrial Electronics
A New Multilevel Inverter Topology with Component Count Reduction

asghar taheri; Ahad Rasulkhani

Volume 2, Issue 4 , October 2019, , Pages 355-364

http://dx.doi.org/10.22111/ieco.2019.28028.1121

Abstract
  Multilevel inverters as a main component of electrical systems have been discussed over the past decade. Todays, improving their performance is one of the important challenges that has led to many studies in their topology and control system. In this paper, a new topology of symmetrical multi-level inverters ...  Read More

Industrial Electronics
Comparison of Fuzzy and Brain Emotional Learning Based Intelligent Control approaches for a Full Bridge DC-DC Converter

mohammad hosein ershadi; shahrokh shojaeian; reza keramat

Volume 2, Issue 3 , July 2019, , Pages 197-206

http://dx.doi.org/10.22111/ieco.2019.25964.1063

Abstract
  In this paper, the Brain Emotional Learning Based Intelligent Controller (BELBIC) and fuzzy controller were used to control output voltage of the full bridge DC-DC converter. The converter is presented by its state space averaged model assuming that it operates in the continuous conduction mode (CCM). ...  Read More

Industrial Electronics
A Single-Phase Extendable Topology for Multilevel Inverters

Farzad Sedaghati; Seyed Hadi Latifi Majareh; Hadi Dolati

Volume 2, Issue 3 , July 2019, , Pages 207-220

http://dx.doi.org/10.22111/ieco.2018.27280.1094

Abstract
  This paper presents a single-phase topology for multilevel inverters with minimum number of switching devices. The proposed topology significantly reduces the number of DC voltage sources, switches, and power diodes as the number of output voltage levels increases. The proposed multilevel inverter is ...  Read More

Industrial Electronics
Reliability Assessment and Thermal Consideration of a Step-down DC/DC Converter

Mahdi Radmehr; Mohammad Mojibi

Volume 2, Issue 3 , July 2019, , Pages 247-256

http://dx.doi.org/10.22111/ieco.2019.25236.1042

Abstract
  Reliability consideration is always important among the manufacturers of power modules and converters. Before using of power electronic converters into the related application, it is necessary to predict its reliability over time. In the meanwhile, the power loss and heat generated within the power semiconductors ...  Read More

Industrial Electronics
Sliding Mode Control of LLC Resonant DC-DC Converter for Wide output voltage Range in Battery Charging Applications

asghar taheri; Nader Asgari

Volume 2, Issue 2 , April 2019, , Pages 127-136

http://dx.doi.org/10.22111/ieco.2018.27333.1096

Abstract
  In this paper, a sliding mode control of LLC resonant dc-dc converter in low voltage and high current application is presented. The proposed controller operates at two fixed switching frequencies to the battery charger of electric vehicles. In resonant converter, because of the soft switching process, ...  Read More