Volume 13 (2025)
Volume 12 (2024)
Volume 11 (2023)
Volume 10 (2022)
Volume 9 (2021)
Volume 8 (2020)
Volume 7 (2019)
Volume 6 (2018)
Volume 5 (2017)
Volume 4 (2016)
Volume 3 (2015)
Volume 2 (2014)
Volume 1 (2013)

Power System Stability
Low Voltage Ride Through Enhancement Based on Improved Direct Power Control of DFIG under Unbalanced and Harmonically Distorted Grid Voltage

Ahmadreza Nafar; Gholam Reza Arab Markadeh; Amir Elahi; Reza pouraghababa

Volume 4, Issue 1 , June 2016, , Pages 16-28

  In the conventional structure of the wind turbines along with the doubly-fed induction generator (DFIG), the stator is directly connected to the power grid. Therefore, voltage changes in the grid result in severe transient conditions in the stator and rotor. In cases where the changes are severe, the ...  Read More

Energy Management
A Two-Stage Stochastic Programming Model for the Optimal Sizing of Hybrid PV/diesel/battery in Hybrid Electric Ship System

A. Dolatabadi; R. Ebadi; B. Mohammadi-Ivatloo

Volume 7, Issue 1 , May 2019, , Pages 16-26


  Ships play the major role in bulk transportation and they need their special energy system. This paper proposes a stochastic programing method for optimal sizing of a hybrid ship power system with energy storage system (ESS), photovoltaic power (PV) and diesel generator. To account for uncertainties, ...  Read More

A Modified Switched Capacitor Multilevel Inverter with Symmetric and Asymmetric Extendable Configurations

F. Sedaghati; S. Ebrahimzadeh; H. Dolati; H. Shayeghi

Volume 13, Issue 1 , January 2025, , Pages 20-27


  Switched capacitor multilevel inverters with low input DC voltage sources and voltage boost capability are very attractive to producing a high voltage levels in the output. The paper introduces a modified switched capacitor multilevel inverter with voltage boost capability. The suggested topology can ...  Read More

Power System Operation
Combined Economic Dispatch and Reliability in Power System by Using PSO-SIF Algorithm

E. Babaei; N. Ghorbani

Volume 3, Issue 1 , June 2015, , Pages 23-33

  Reliability investigation has always been one of the most important issues in power systems planning. The outages rate in power system reflects the fact that more attentions should be paid on reliability indices to supply consumers with uninterrupted power. Using reliability indices in economic dispatch ...  Read More

Intelligent Tuned Harmony Search for Solving Economic Dispatch Problem with Valve-point Effects and Prohibited Operating Zones

R. Kazemzadeh; A. Hatefi

Volume 1, Issue 2 , November 2013, , Pages 84-95

  Economic dispatch with valve point effect and Prohibited Operating Zones (POZs) is a non-convex and discontinuous optimization problem. Harmony Search (HS) is one of the recently presented meta-heuristic algorithms for solving optimization problems, which has different variants. The performances of these ...  Read More

Novel Hybrid Fuzzy-Intelligent Water Drops Approach for Optimal Feeder Multi Objective Reconfiguration by Considering Multiple-Distributed Generation

H. Bagheri Tolabi; M. H. Ali; M. Rizwan

Volume 2, Issue 2 , December 2014, , Pages 91-102

  This paper presents a new hybrid method for optimal multi-objective reconfiguration in a distribution feeder in addition to determining the optimal size and location of multiple-Distributed Generation (DG). The purposes of this research are mitigation of losses, improving the voltage profile and equalizing ...  Read More

Distribution Systems
Optimal Power Flow in the Smart Grid Using Direct Load Control Program

Soheil Derafshi Beigvand; Hamdi Abdi,

Volume 3, Issue 2 , December 2015, , Pages 102-115

  This paper proposes an Optimal Power Flow (OPF) algorithm by Direct Load Control (DLC) programs to optimize the operational cost of smart grids considering various scenarios based on different constraints. The cost function includes active power production cost of available power sources and a novel ...  Read More

Power System Operation
Multi Objective Scheduling of Utility-scale Energy Storages and Demand Response Programs Portfolio for Grid Integration of Wind Power

E. Heydarian-Forushani; H. Aalami

Volume 4, Issue 2 , December 2016, , Pages 104-116

  Increasing the penetration of variable wind generation in power systems has created some new challenges in the power system operation. In such a situation, the inclusion of flexible resources which have the potential of facilitating wind power integration is necessary. Demand response (DR) programs and ...  Read More

Improved Power System Dynamic Stability by DFIG in the Presence of SSSC Using Adaptive Nonlinear Multi-Input Backstepping

Z. Faramarzi; S. Abazari; S. Hoghoughi; N.R. Abjadi

Volume 12, Issue 2 , April 2024, , Pages 107-120


  In this paper, Doubly Feed Induction Generator (DFIG) improves the dynamic stability of the power system in the presence of Static Synchronous Series Compensator (SSSC) using nonlinear control theory. The control method used in this study is based on the nonlinear multi-input adaptive backstepping control. ...  Read More

Distribution Systems
Optimal Capacitor Allocation in Radial Distribution Networks for Annual Costs Minimization Using Hybrid PSO and Sequential Power Loss Index Based Method

A. Bagheri; R. Noroozian; J. Gholinezhad

Volume 5, Issue 2 , December 2017, , Pages 117-130


  In the most recent heuristic methods, the high potential buses for capacitor placement are initially identified and ranked using loss sensitivity factors (LSFs) or power loss index (PLI). These factors or indices help to reduce the search space of the optimization procedure, but they may not always indicate ...  Read More

Distribution Systems
Multi-objective Grasshopper Optimization Algorithm based Reconfiguration of Distribution Networks

M.A. Tavakoli Ghazi Jahani; P. Nazarian; A. Safari; M.R. Haghifam

Volume 7, Issue 2 , October 2019, , Pages 148-156


  Network reconfiguration is a nonlinear optimization procedure which calculates a radial structure to optimize the power losses and improve the network reliability index while meeting practical constraints. In this paper, a multi-objective framework is proposed for optimal network reconfiguration with ...  Read More

Smart Grid
Optimal Decision Making Framework of an Electric Vehicle Aggregator in Future and Pool markets

H. Rashidizadeh-Kermani; H. R. Najafi; A. Anvari-Moghaddam; J. M. Guerrero

Volume 6, Issue 2 , December 2018, , Pages 157-168


  Electric vehicle (EV) aggregator, as an agent between the electricity market and EV owners, participates in the future and pool market to supply EVs’ requirement. Because of the uncertain nature of pool prices and EVs’ behaviour, this paper proposed a two-stage scenario-based model to obtain ...  Read More

Power System Operation
Stochastic Short-Term Hydro-Thermal Scheduling Based on Mixed Integer Programming with Volatile Wind Power Generation

M. R. Behnamfar; H. Barati; M. Karami

Volume 8, Issue 3 , December 2020, , Pages 195-208


  This study addresses a stochastic structure for generation companies (GenCoʼs) that participate in hydro-thermal self-scheduling with a wind power plant on short-term scheduling for simultaneous reserve energy and energy market. In stochastic scheduling of HTSS with a wind power plant, in addition to ...  Read More

Peer-to-Peer Electricity Trading in Microgrids with Renewable Sources and Uncertainty Modeling Using IGDT

M. Khadem Maaref; J. Salehi

Volume 12, Issue 3 , August 2024, , Pages 195-205


  Microgrids are known as the main components of energy networks because they can accommodate a large share of renewable energy sources. Peer-to-peer energy trading is one of the most effective ways to implement decentralized patterns in the electricity market. In peer-to-peer trades, each actor negotiates ...  Read More

Uncertainty Management in Short-Term Self-Scheduling Unit Commitment Using Harris Hawks Optimization Algorithm

M.R. Behnamfar; M. Abasi

Volume 12, Issue 4 , December 2024, , Pages 280-295


  The present study focuses on the harris hawks optimizer. harris hawks optimization (HHO) is introduced based on population and nature patterns. The  HHO algorithm imitates harris hawks attacking behavior and includes two phases called exploration and exploitation, which can be modeled with three ...  Read More

Power market
Regulation of Electrical Distribution Companies via Efficiency Assessments and Reward-Penalty Scheme

N. Mostaghim; M. R. Haghifam; M. Simab

Volume 5, Issue 1 , June 2017, , Pages 19-30


  Improving performance of electrical distribution companies, as the natural monopoly entities in electric industry, has always been one of the main concerns of the regulators. In this paper, a new incentive regulatory scheme is proposed to improve the performances of electrical distribution companies. ...  Read More

An Improved Under-Frequency Load Shedding Scheme in Distribution Networks with Distributed Generation

Behnam Mohammadi-Ivatloo; A. Mokari; H. Seyedi; S. Ghasemzadeh

Volume 2, Issue 1 , June 2007, , Pages 22-31

  When a distribution network consisting of Distributed Generations (DGs) is disconnected from upstream network, the system may be exposed to severe power imbalance. In order to prevent the damage of power plants, frequency relays operate and remove DGs from the network. In contrast to traditional methods, ...  Read More

Low Frequency Oscillations Suppression via CPSO based Damping Controller

N. Bigdeli; E. Ghanbaryan; K. Afshar

Volume 1, Issue 1 , June 2013, , Pages 22-32

  In this paper, the Unified Power Flow Controller (UPFC) is enhanced with a Chaotic Particle Swarm Optimization (CPSO) Damping Controller in order to mitigate the Low Frequency Oscillations (LFO) in a Single Machine Infinite Bus (SMIB) power system. The designed damping controller is an optimized lead-lag ...  Read More

Energy Management
Increasing the Efficiency of the Power Electronic Converter for a Proposed Dual Stator Winding Squirrel-Cage Induction Motor Drive Using a Five-Leg Inverter at Low Speeds

H. Moayedirad; M. A. Shamsi Nejad

Volume 6, Issue 1 , June 2018, , Pages 23-39


  A dual stator winding squirrel-cage induction motor (DSWIM) is a brushless single-frame induction motor that contains a stator with two isolated three-phase windings wound with dissimilar numbers of poles. Each stator winding is fed by an independent three-phase inverter. The appropriate efficiency of ...  Read More

Nonsingular Terminal Sliding Mode Control for Islanded Inverter-Based Microgrids

N. R. Abjadi

Volume 12, Issue 1 , January 2024, , Pages 26-34


  Due to the development of renewable energy and the need for sustainable electricity, AC microgrids (MGs) have received a lot of attention and the growing need for them is becoming more and more apparent. Medium voltage MGs will be very important in providing electrical energy in the near future. This ...  Read More

Power System Operation
Unit Commitment by a Fast and New Analytical Non-iterative Method Using IPPD Table and “λ-logic” Algorithm

R. Kazemzadeh; M. Moazen

Volume 7, Issue 1 , May 2019, , Pages 27-39


  Many different methods have been presented to solve unit commitment (UC) problem in literature with different advantages and disadvantages. The need for multiple runs, huge computational burden and time, and poor convergence are some of the disadvantages, where are especially considerable in large scale ...  Read More

Optimal Operation of Microgrids Containing Tidal Barrage with Hydro-Pumps

M.R. Negahdari; A. Ghaedi; M. Nafar; M. Simab

Volume 13, Issue 1 , January 2025, , Pages 28-37


  For providing required load in n coastal and island regions, tidal barrage can be integrated in microgrids. To produce electricity from tides, in tidal barrage, water is moved between sea and reservoir through sluices containing turbines to generate electricity. In operation phase, produced power of ...  Read More

Power System Operation
Optimal emergency demand response program integrated with multi-objective dynamic economic emission dispatch problem

Ehsan Dehnavi; Hamdi Abdi,; Farid Mohammadi

Volume 4, Issue 1 , June 2016, , Pages 29-41

  Nowadays, demand response programs (DRPs) play an important role in price reduction and reliability improvement. In this paper, an optimal integrated model for the emergency demand response program (EDRP) and dynamic economic emission dispatch (DEED) problem has been developed. Customer’s behavior ...  Read More

Power System Operation
Stochastic Multiperiod Decision Making Framework of an Electricity Retailer Considering Aggregated Optimal Charging and Discharging of Electric Vehicles

A. Badri; K. Hoseinpour Lonbar

Volume 3, Issue 1 , June 2015, , Pages 34-46

  This paper proposes a novel decision making framework for an electricity retailer to procure its electric demand in a bilateral-pool market in presence of charging and discharging of electric vehicles (EVs). The operational framework is a two-stage programming model in which at the first stage, the retailer ...  Read More

Application of Stochastic Programming to Determine Operating Reserves with Considering Wind and Load Uncertainties

K. Afshar; A. Shokri Gazafroudi

Volume 1, Issue 2 , November 2013, , Pages 96-109

  Wind power generation is variable and uncertain. In the power systems with high penetration of wind power, determination of equivalent operating reserve is the main concern of systems operator. In this paper, a model is proposed to determine operating reserves in simultaneous market clearing of energy ...  Read More