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Journal of Operation and Automation in Power Engineering
Scopus
ISSN 2322-4576 · University of Mohaghegh Ardabili · 212 artikel di indeks
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A Review on Secondary Control Methods in DC Microgrid
DC Microgrid is turning out to be more popular due to its appealing features such as high efficiency, excellent power quality, low cost and controllability. As the control strategies plays a key role in achieving the desired objectives such as power quality, power sharing, voltage regulation and…
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A Novel Combined DTC Method and SFOC System for Three-phase Induction Machine Drives with PWM Switching Method
In this paper, a novel combined Direct Torque Control (DTC) method and Stator-Flux Oriented Control (SFOC) system to increase general performances of Three-Phase Induction Motor (TPIM) drives is proposed. The introduced control scheme includes merits of DTC for instance simple structure, less…
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A New Robust Load Frequency Controller for Electric Vehicle Aggregators
This paper proposes a robust state feedback controller for Electric Vehicle aggregators to solve the challenging problem caused by the participation of Electric Vehicles in the load frequency control of the power system. The Lyapunov-Krasovskii functional method is used to achieve two objectives of…
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A New Approach for Modeling Wind Power in Reliability Studies
Tremendous growth of wind power worldwide in the past decade requires serious research in various fields. Because wind power is weather dependent, it is stochastic and varies over various time-scales. Therefore, accuracy in wind power modeling is recognized as a major contribution for reliable…
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Mechanical Fault Types Detection in Transformer Windings Using Interpretation of Frequency Responses via Multilayer Perceptron
The Frequency Response Analysis (FRA) technique has advantages in identifying faults related to power transformers, but it suffers from the interpretation of frequency responses. This paper presents an approach based on statistical indices and Artificial Neural Network (ANN) methods to interpret…
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IoT Based Remote Monitoring, Control, and Protection of Irrigation Water Pumping System
The Internet of Things (IoT) is a multidisciplinary concept that includes a wide range of application domains and device capabilities. The IoT technology provides a platform that allows apparatus to be monitored by sensors, connected using a communication channel, and controlled remotely across a…
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A Novel Vector-Based Pulse-Width Modulation for Three-Phase Two-Level Voltage Source Inverters
Abstract- The space vector pulse-width modulation (SVPWM) is a simple and suitable method for voltage control of three-phase two-level voltage source inverters (VSI)s. However, there are plenty of methods to improve the two-level VSIs performance by adding virtual vectors or sub-sectors to the…
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Sensorless FOC Strategy for Current Sensor Faults in Three-Phase Induction Motor Drives
Current sensors are required in Field-Oriented Control (FOC) strategies of Three-Phase Induction Motor (TPIM) drives. Nevertheless, the current sensors are subject to different electrical/mechanical faults which reduce the safety and dependability of the drive system. Single phase current sensor…
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Modeling and Optimizing the Charge of Electric Vehicles with Genetic Algorithm in the Presence of Renewable Energy Sources
In recent years, as a result of remarkable increase in energy industry, discrimination between lower and higher loads as well as economic crisis which pestered a majority of countries; hence the usage of power plants became a significant issue. In addition, growing consumption of power and…
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Risk-Based Approach for Self-Scheduling of Virtual Power Plants in Competitive Power Markets
Dispersed energy resources and storage devices may be grouped as a Virtual Power Plant (VPP). In a competitive electricity market, VPP can exchange energy through a pool market or bilateral contracts. in order to maximize the profit, VPP needs to determine the optimal operating schedule. This paper…
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Optimal Allocation and Control of Superconducting Fault Current Limiter and Superconducting Magnetic Energy Storage in Mesh Microgrid Networks to Improve Fault Ride Through
Voltage drop during the fault can be effected on the performance of generation units such as wind turbines. The ability to ride through the fault is important for these generation units. Superconducting fault current limiter and superconducting magnetic energy storage can improve the fault ride…
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A New Approach based on Wide-Area Fuzzy Controller for Damping of Sub Synchronous Resonance in Power System including DFIG
This paper presents the mitigation of subsynchronous resonance (SSR) based on wide-area wide-area fuzzy controller in power systems including a double-fed induction generator (DFIG)-based wind farms linked to series capacitive compensated transmission networks. SSR damping is achieved by adding the…
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An Analysis of the Impact on Frequency Response with Penetration of RES in Power System and Modified Virtual Inertia Controller
The power system in upcoming years will face issues of power frequency instability due to an increase in the share of Renewable Energy Sources (RES). The RESs are integrated into the power system through the power electronic converters. The operation and control of RES are drastically different…
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A Novel Vector-Based Pulse-Width Modulation for Cascaded H-Bridge Multilevel Inverters
The conventional space vector pulse-width modulation (SVPWM) for cascaded H-bridge inverters (CHBIs) has problems of computational complexity and memory requirements. Operation in overmodulation mode is the other reason for the complexity in SVPWM. This paper proposes a novel modulation method…
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A Novel Hybrid Multi-Objective Evolutionary Algorithm for Optimal Power Flow in Wind, PV, and PEV Systems
In this paper, a new hybrid decomposition-based multi-objective evolutionary algorithm (MOEA) is proposed for the optimal power flow (OPF) problem including Wind, PV, and PEVs uncertainty with four conflicting objectives. The proposed multi-objective OPF (MOOPF) problem includes minimization of the…
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Differential Protection of ISPST Using Chebyshev Neural Network
An Indirect Symmetrical Phase Shift Transformer (ISPST) represents both electrically connected and magnetically coupled circuits, which makes it unique compared to a power transformer. Effective differentiation between transformer inrush current and internal fault current is necessary to avoid…
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MILP based Optimal Design of Hybrid Microgrid by Considering Statistical Wind Estimation and Demand Response
Recently due to technical, economical, and environmental reasons, penetration of renewable energy resources has increased in the power systems. On the other hand, the utilization of these resources in remote areas and capable regions as isolated microgrids has several advantages. In this paper, a…
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Stochastic Simultaneous Planning of Interruptible Loads, Renewable Generations and Capacitors in Distribution Network
Executing interruptible loads (ILs) can be significantly effective for optimal and secure operation of power systems. These ILs can aid the operators not only to increase the reliability of the power supply but also to reduce the procurement costs of the whole system. Therefore, determining the…
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Risk Averse Optimal Operation of Coastal Energy Hub Considering Seawater Desalination and Energy Storage Systems
An optimal day-ahead operation of a microgrid based on coastal energy hub is presented in this paper. The proposed CEH included wind turbine, photovoltaic unit, combined cooling, heat and power, and seawater desalination. The purpose of the optimization is minimization of the operational and…
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Investigating the Practical Applications of the Frequency Response of the Transformers Extracted Using the Lightning Impulse Test Results
The Lightning Impulse (LI) test is performed on newly manufactured power transformers as a routine Factory Acceptance Test (FAT). A well-known Marx Impulse Generator (MIG) is utilized in this test. The setting of the MIG can be changed to obtain standard LI wave shape. Since various power…