Power systems
A New Risk-based Decentralized Model for Peer-to-Peer Energy Trading Among Smart Homes

Niloofar Mohammadi; Masoud Rashidinejad; Amir Abdollahi; Peyman Afzali

Volume 5, Issue 3 , October 2022, , Pages 231-240

https://doi.org/10.22111/ieco.2022.39568.1373

Abstract
  Smart homes could have a significant impact on supplying the demand of both household consumers and smart grid. The household consumers can trade energy via peer-to-peer (P2P) energy trading to reduce their cost. In other words, each of them can participate in the smart grid as a prosumer that can both ...  Read More

Power systems
A Robust Primary Frequency Response Constrained Unit Commitment considering Uncertain Frequency Support of Units

Mehrdad Manshor; Mahmood Joorabian; Afshin Lashkarara

Volume 5, Issue 3 , October 2022, , Pages 241-249

https://doi.org/10.22111/ieco.2022.39777.1377

Abstract
  Power management in microgrids is a major challenge due to its low total inertia and capacity. The lower the microgrid generation capacity is, the higher the share of each generation unit in total power will be, and the higher the frequency deviation in less time will be when an outage occurs. So, preventive ...  Read More

Power systems
Maximizing the Electric Vehicles’ Owners Profit Considering Optimal Charging and Discharging Management in the Distribution Networks Using Dynamic Programming

Ali Masoudi; Mohsen Simab; Hamidreza Akbarj; Seyed Amin Saeed; Tahereh Daemi

Volume 5, Issue 2 , June 2022, , Pages 109-121

https://doi.org/10.22111/ieco.2022.40219.1386

Abstract
  With an increasing penetration rate of electric vehicles in distribution networks, it is becoming vital to schedule their battery charging/discharging to maintain the network balance and increase the vehicle owners’ profit. Electric vehicles are now considered one of the most important and accessible ...  Read More

Power systems
Adaptive Delay Compensator Based H_2/H_∞ Wide-Area Controller to Improve the Damping of Inter-Area Oscillations

Esmaeel Rokrok; Saman Dehghaninejad; Amir Hossein Poursaeed

Volume 5, Issue 2 , June 2022, , Pages 189-204

https://doi.org/10.22111/ieco.2022.40754.1397

Abstract
  Recent technical advances in Wide-Area Measurement Systems (WAMS) have made it possible to use a combination of measured signals from remote locations to design centralized control. However, the transmission delay of remote signals and changes in the power system operating point are significant issues ...  Read More

Power systems
An Improved Fuzzy Controlled Back-to-Back Electric Spring Using Hybrid Structure of ES-1 and Shunt-APF to Improve Power Quality in Microgrids

Hamed Sadeghi; Hamid Reza Mohammadi

Volume 5, Issue 1 , March 2022, , Pages 89-98

https://doi.org/10.22111/ieco.2022.40259.1387

Abstract
  Electric spring (ES) is a new technology that can be used for fast demand-side management to balance the power between generation and consumption in smart grids. In this paper, the back-to-back structure of electric spring is controlled to operate simultaneously as electric spring and shunt active power ...  Read More

Power systems
A New and Very Fast Fault Detection and Classification Method based on Traveling Wave in Transmission Lines

Iman Mousaviyan; Seyyed Ghodratollah Seifossadat; Mohsen Saniei

Volume 4, Issue 4 , November 2021, , Pages 377-385

https://doi.org/10.22111/ieco.2021.38344.1348

Abstract
  This study introduces a single-ended method to detect the protection zone and distinguish faults occurring in the back of the relay in the transmission lines and then provides an algorithm to classify different types of faults, including a lightning strike on phases and shield wire. Accordingly, using ...  Read More

Power systems
Green Micro-Grid Operation Constrained to Reliability and Flexibility Indices in the Presence of Distributed Generations and Energy Storage Systems

Seyed Arman Shirmardi; Mahmood Joorabian; Hassan Barati

Volume 4, Issue 4 , November 2021, , Pages 397-407

https://doi.org/10.22111/ieco.2021.38156.1347

Abstract
  This paper presents microgrid (MG) operation constrained to the reliability, flexibility, and environment indices in the presence of distributed generations (DGs) and energy storage systems (ESSs). The proposed scheme minimizes the total expected operating cost of MGs and DGs. It is also subject to alternating ...  Read More

Power systems
Supervisory Controller Design for Power System Stability using Hybrid Automata Modeling

Fariba Forouzesh; Mahdiyeh Eslami; Mehdi Jafari Shahbazzadeh

Volume 4, Issue 4 , November 2021, , Pages 417-431

https://doi.org/10.22111/ieco.2021.38894.1361

Abstract
  Power systems are categorized as nonlinear dynamical systems, and the importance and complexity associated with their stability have dramatically increased. Accordingly, the behavior of power systems can be characterized by interactions between continuous and discrete-event dynamics. This paper proposes ...  Read More

Power systems
Reliability-based Operation in Energy Hubs with Several Energy Networks

Alireza Malekijavan; Mehdi Aslinezhad; Hamidreza Zaferani

Volume 4, Issue 4 , November 2021, , Pages 433-444

https://doi.org/10.22111/ieco.2021.36021.1310

Abstract
  The paper presents reliability-based operation (RBO) of an energy hub consisting of electric vehicles (EVs) and a combined cooling, heating, power (CCHP) system in the electricity, natural gas, and district heating networks. The proposed strategy aims to minimize the total expected operating and reliability ...  Read More

Power systems
Discrimination among Winding Mechanical Defects in Transformer Using Noise Detection and Data Mining Boosting Method

Zahra Moravej; Seyed Mahmood Mortazavi; Mojtaba Mohseni

Volume 4, Issue 3 , August 2021, , Pages 277-284

https://doi.org/10.22111/ieco.2021.36793.1327

Abstract
  IIn this paper, an efficient method to detect and discriminate mechanical defects of transformer winding based on extracting the winding frequency responses using outlier data detection and ensemble algorithms ,which in total constitutes an efficient hybrid method has been proposed. First, the frequency ...  Read More

Power systems
A New DC Fault Detector Scheme for Multi-terminal HVDC Transmission lines

Mohammadreza Noori; Seyed Ghodratollah Seifossadat; Alireza Safarian

Volume 4, Issue 3 , August 2021, , Pages 285-297

https://doi.org/10.22111/ieco.2021.36403.1317

Abstract
  In this paper, a novel selective DC fault detector approach based on the adaptive cumulative sum method (ACUSUM) is suggested for the protection of high voltage direct current (HVDC) transmission lines. Using a communication channel, the proposed method detects DC fault occurrence as well as determining ...  Read More

Power systems
Dynamic Stability Improvement of Power System with Simultaneous and Coordinated Control of DFIG and UPFC using LMI

Masoud Maleki Rizi; Saeed Abazari; Nima Mahdian

Volume 4, Issue 3 , August 2021, , Pages 341-353

https://doi.org/10.22111/ieco.2021.37604.1340

Abstract
  This paper presents enhancement of power system dynamic stability while equipped with both unified power flow controller and doubly fed induction generator by using LMI technique. We have used all UPFC (Unified Power Flow Controller) main basic PI controllers and its POD (Power Oscillation Damping) supplementary ...  Read More

Power systems
Determining the Necessity and Timing of Controlled Islanding in Power System: a wide-area intelligent-based method

Hojatolah Makvandi; Mahmood Joorabian; Hassan Barati

Volume 4, Issue 3 , August 2021, , Pages 367-376

https://doi.org/10.22111/ieco.2021.35777.1304

Abstract
  The present study introduces a new extensive-area ANFIS (Adaptive Neuro-Fuzzy Interface System)-based method to detect wide area instability and control the time of controlled islanding execution within power systems. The ANFIS parameters are optimized by the PSO method to increase the method’s ...  Read More

Power systems
Efficient Networked Microgrid Management Considering Plug-in Electric Vehicles and Storage Units

Mahdi Vosoogh; Masoud Rashidinejad; Amir Abdollahi; Morteza Ghaseminezhad

Volume 4, Issue 2 , April 2021, , Pages 245-255

https://doi.org/10.22111/ieco.2020.35847.1306

Abstract
  This article addresses the optimal energy management and operation of networked microgrids considering different types of dispatchable units like fuelcell and microturbine and nondispatchable units such as wind turbine and solar units. To change the just-consuming role of vehicles into an active role ...  Read More

Power systems
A New Method for Power Quality Events Detection and Classification using Discrete Wavelet Transform and Correlation Coefficients

Navid Ghaffarzadeh

Volume 4, Issue 1 , January 2021, , Pages 47-57

https://doi.org/10.22111/ieco.2020.33660.1257

Abstract
  In this paper a novel and simple approach for detection and classification of wide variety range of power quality(PQ) events based on discrete wavelet transform (DWT) and correlation coefficient is presented. For this purpose, two new indices is proposed and by comparing the values of the correlation ...  Read More

Power systems
An Investigation of a New Method to Detect Lossess of Excitation of Synchronous Generators

Milad Niaz Azari; Reza Fathi shoob

Volume 4, Issue 1 , January 2021, , Pages 115-126

https://doi.org/10.22111/ieco.2020.34337.1276

Abstract
  Synchronous generators are one of the most important components of power systems. Problems a generator may face are internal faults, system disturbances, or operational hazards. The operation of a generator may easily be affected by faults within the machine itself as opposed to external disturbances ...  Read More

Power systems
A New Whale Optimization Algorithm Based Fault Location Method by Focusing on Dispersed Model of the Transmission Line

Navid Ghaffarzadeh; Hossein Faramarzi

Volume 3, Issue 4 , September 2020, , Pages 393-406

https://doi.org/10.22111/ieco.2020.32027.1218

Abstract
  In this paper, a fault location approach is presented by using Whale Optimization Algorithm (WOA) strategy in two terminal transmission feeder. Also, Grey wolf Optimization (GWO) method is discussed. From both ends, affording the preparatory data for proposed strategies voltages and currents from both ...  Read More

Power systems
A Novel Complete Dynamic and Static Model of 48-Pulse VSC-based GUPFC for Parallel Transmission Lines

Mahyar Abasi; Mahmood Joorabian; Alireza Saffarian; Seyyed Ghodratollah Seifossadat

Volume 3, Issue 4 , September 2020, , Pages 447-457

https://doi.org/10.22111/ieco.2020.32548.1227

Abstract
  Generalized Unified Power Flow Controller (GUPFC) is a member of the flexible alternating current transmission system (FACTS) devices family that operates based on voltage source converter (VSC) and is known as the most efficient FACTs device. GUPFC can control the voltage of one bus and the active and ...  Read More

Power systems
Coordination of adaptive distance protection in transmission and wind farm collector lines under resistive fault conditions

Jamshid Barati; Seidghodratollah Seifossadat; Mahmood Joorabian

Volume 3, Issue 3 , July 2020, , Pages 223-234

https://doi.org/10.22111/ieco.2019.31406.1203

Abstract
  Distance relays calculate the path impedance between the fault point and the relay location by sampling the voltage and current at the relay location. By using the ratio of the impedance estimated by the relay to the impedance of the line where the relay is installed, the location of the fault can be ...  Read More

Power systems
Voltage unbalancing reduction in a stand-alone ac-dc hybrid microgrid based on floating compensation reference

seyed hossein tabatabaei; Hussein Eliasi; Hamidreza Najafi; alireza jalilian

Volume 3, Issue 3 , July 2020, , Pages 235-247

https://doi.org/10.22111/ieco.2020.31615.1209

Abstract
  A hybrid AC-DC microgrid consists of an AC and a DC subgrid that are connected to each other through an interlinking converter (IC). The main function of an IC under islanded conditions is to transfer power between the two subgrids. In this paper, a scheme is presented to reduce the voltage unbalance ...  Read More

Power systems
An Energy Management System based on Economic and Environmental aspects for Microgrids Incorporating Active and Reactive Power Sources and Demand Response Programs

Reza Ashrafi; Soodabeh soleymani; Mehdi Ehsan

Volume 3, Issue 3 , July 2020, , Pages 259-273

https://doi.org/10.22111/ieco.2020.29607.1165

Abstract
  In this paper, a comprehensive centralized structure is proposed for Microgrids (MGs) operation incorporating active and reactive power resources. In this approach, the Distributed Generation (DGs), Energy Storage Systems (ESSs), Demand Response (DR) program, load shifting scheme, switchable capacitor ...  Read More

Power systems
Optimal Design of an Interruptible Load Program from the Viewpoint of an Industrial Customer

Mahdi Samadi; Karim Karami Nezhad; Elahe Zakikhani

Volume 3, Issue 3 , July 2020, , Pages 301-311

https://doi.org/10.22111/ieco.2020.29519.1163

Abstract
  The interruptible load program (ILP) is one of the most common demand response programs, which is often used by industrial customers. The purpose of implementing this program is to reduce the customer's peak demand in response to the incentives set by a contract. If no attention is paid to characteristics ...  Read More

Power systems
Security-Constrained Unit Commitment in the Presence of Demand Response Programs and Electric Vehicles

Mohsen Ramzanzadeh; Meysam Jafari Nokandi; Taghi Barforoushi; Javad Saebi

Volume 3, Issue 3 , July 2020, , Pages 313-326

https://doi.org/10.22111/ieco.2020.30827.1193

Abstract
  In recent years, concerns about environmental pollutions have risen and in this respect, the power system and transportation section have been introduced as the main sources of their emission. Therefore, renewable energy sources (RESs), predominantly wind generation, can be effective for reducing emissions ...  Read More

Power systems
Spinning Reserve Scheduling in a Power System Containing OTEC Power Plants

amir ghaedi; Khodakhast Nasiriani; mehdi nafar

Volume 3, Issue 3 , July 2020, , Pages 379-391

https://doi.org/10.22111/ieco.2020.32602.1231

Abstract
  Ocean thermal energy conversion (OTEC) systems utilize from the difference between the temperatures of surface and deep water and drive a thermodynamic Rankine cycle for electric power generation. The generated power depend on the temperature of the surface water as warm source and due to the variation ...  Read More

Power systems
A New Power Swing Detection Method Based on Hilbert Transform

Sirus Salehimehr; Behrooz Taheri; Seyed Amir Hosseini; Hossein Askarian Abyaneh; Farzad Razavi

Volume 3, Issue 2 , May 2020, , Pages 103-114

https://doi.org/10.22111/ieco.2019.29378.1156

Abstract
  In this paper, a new method based on Hilbert transform is proposed to detect the power swing and faults occurring during the power swing. The proposed method operates independently from the system parameters. As well as, this method has the ability to detect different types of power swings, including ...  Read More