مرور Journal of Operation and Automation in Power Engineering بر اساس تاریخ انتشار
در حال نمایش موارد 1 - 20 از 235
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Accelerating the Composite Power System Planning by Benders Decomposition
(University of Mohaghegh Ardabiliدانشگاه محقق اردبیلی, 2007-06-01)This paper presents an application of Benders decomposition to deal with the complexities in the simultaneous Generation Expansion Planning (GEP) and Transmission Expansion Planning (TEP). Unlike the power system operation ...
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Investigating Impacts of Sustainable Repair Time and Circuit Breaker Model on Meshed Distribution Networks Reliability Assessment
(University of Mohaghegh Ardabiliدانشگاه محقق اردبیلی, 2007-06-01)Generally, the failure rate and the repair time of system components are constant parameters in reliability assessment of electric distribution systems. A failure of component is resulted from failing in the operation or ...
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Presenting a New Method Based on Branch Placement for Optimal Placement of Phasor Measurement Units
(University of Mohaghegh Ardabiliدانشگاه محقق اردبیلی, 2007-06-01)In this paper, a new method based on branch placement for the optimal positioning of Phasor Measurement Units (PMUs) in power systems is proposed. In this method, the PMUs are in type of single-channel and are installed ...
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A Multi-Objective Economic Load Dispatch Considering Accessibility of Wind Power with Here-And-Now Approach
(University of Mohaghegh Ardabiliدانشگاه محقق اردبیلی, 2007-06-01)The major problem of wind turbines is the great variability of wind power production. The dynamic change of the wind speed returns the quantity of the power injected to networks. Therefore, wind–thermal generation scheduling ...
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A Hybrid Algorithm for Optimal Location and Sizing of Capacitors in the presence of Different Load Models in Distribution Network
(University of Mohaghegh Ardabiliدانشگاه محقق اردبیلی, 2007-06-01)In practical situations, distribution network loads are the mixtures of residential, industrial, and commercial types. This paper presents a hybrid optimization algorithm for the optimal placement of shunt capacitor banks ...
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Combined Use of Sensitivity Analysis and Hybrid Wavelet-PSO- ANFIS to Improve Dynamic Performance of DFIG-Based Wind Generation
(University of Mohaghegh Ardabiliدانشگاه محقق اردبیلی, 2007-06-01)In the past few decades, increasing growth of wind power plants causes different problems for the power quality in the grid. Normal and transient impacts of these units on the power grid clearly indicate the need to improve ...
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Power System Stability Improvement via TCSC Controller Employing a Multi-objective Strength Pareto Evolutionary Algorithm Approach
(University of Mohaghegh Ardabiliدانشگاه محقق اردبیلی, 2013-06-01)This paper focuses on multi-objective designing of multi-machine Thyristor Controlled Series Compensator (TCSC) using Strength Pareto Evolutionary Algorithm (SPEA). The TCSC parameters designing problem is converted to an ...
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Optimal Distribution System Reconfiguration Using Non-dominated Sorting Genetic Algorithm (NSGA-II)
(University of Mohaghegh Ardabiliدانشگاه محقق اردبیلی, 2013-06-01)In this paper, a Non-dominated Sorting Genetic Algorithm-II (NSGA-II) based approach is presented for distribution system reconfiguration. In contrast to the conventional GA based methods, the proposed approach does not ...
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Active Power Filter Design by a Novel Approach of Multi-Objective Optimization
(University of Mohaghegh Ardabiliدانشگاه محقق اردبیلی, 2013-06-01)This paper presents an innovative active power filter design method to simultaneously compensate the current harmonics and reactive power of a nonlinear load. The power filter integrates a passive power filter which is a ...
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Intelligent Tuned Harmony Search for Solving Economic Dispatch Problem with Valve-point Effects and Prohibited Operating Zones
(University of Mohaghegh Ardabiliدانشگاه محقق اردبیلی, 2013-11-01)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 ...
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Application of an Improved Neural Network Using Cuckoo Search Algorithm in Short-Term Electricity Price Forecasting under Competitive Power Markets
(University of Mohaghegh Ardabiliدانشگاه محقق اردبیلی, 2013-11-01)Accurate and effective electricity price forecasting is critical to market participants in order to make an appropriate risk management in competitive electricity markets. Market participants rely on price forecasts to ...
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FACTS Devices Allocation Using a Novel Dedicated Improved PSO for Optimal Operation of Power System
(University of Mohaghegh Ardabiliدانشگاه محقق اردبیلی, 2013-11-01)Flexible AC Transmission Systems (FACTS) controllers with its ability to directly control the power flow can offer great opportunities in modern power system, allowing better and safer operation of transmission network. ...
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A Multi-Objective HBMO-Based New FC-MCR Compensator for Damping of Power System Oscillations
(University of Mohaghegh Ardabiliدانشگاه محقق اردبیلی, 2013-11-01)In this paper, a novel compensator based on Magnetically Controlled Reactor with Fixed Capacitor banks (FC-MCR) is introduced and then power system stability in presence of this compensator is studied using an intelligent ...
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Application of Stochastic Programming to Determine Operating Reserves with Considering Wind and Load Uncertainties
(University of Mohaghegh Ardabiliدانشگاه محقق اردبیلی, 2013-11-01)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 ...
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Electric Differential for an Electric Vehicle with Four Independent Driven Motors and Four Wheels Steering Ability Using Improved Fictitious Master Synchronization Strategy
(University of Mohaghegh Ardabiliدانشگاه محقق اردبیلی, 2014-12-01)Using an Electric Differential (ED) in electric vehicle has many advantages such as flexibility and direct torque control of the wheels during cornering and risky maneuvers. Despite its reported successes and advantages, ...
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Reliability Assessment of Distribution Systems in Presence of Microgrids Considering Uncertainty in Generation and Load Demand
(University of Mohaghegh Ardabiliدانشگاه محقق اردبیلی, 2014-12-01)The microgrid concept provides attractive solutions for reliability enhancement of power distribution systems. Normally, microgrids contain renewable-energy-based Distributed Generation (DG) units, which their output power ...
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Reduction the Number of Power Electronic Devices of a Cascaded Multilevel Inverter Based on New General Topology
(University of Mohaghegh Ardabiliدانشگاه محقق اردبیلی, 2014-12-01)In this paper, a new cascaded multilevel inverter by capability of increasing the number of output voltage levels with reduced number of power switches is proposed. The proposed topology consists of series connection of a ...
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Stochastic Multiperiod Decision Making Framework of an Electricity Retailer Considering Aggregated Optimal Charging and Discharging of Electric Vehicles
(University of Mohaghegh Ardabiliدانشگاه محقق اردبیلی, 2015-06-01)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 ...
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Optimal Reconfiguration and Capacitor Allocation in Radial Distribution Systems Using the Hybrid Shuffled Frog Leaping Algorithm in the Fuzzy Framework
(University of Mohaghegh Ardabiliدانشگاه محقق اردبیلی, 2015-06-01)In distribution systems, in order to diminish power losses and keep voltage profiles within acceptable limits, network reconfiguration and capacitor placement are commonly used. In this paper, the Hybrid Shuffled Frog ...
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Condition Monitoring Techniques of Power Transformers: A Review
(University of Mohaghegh Ardabiliدانشگاه محقق اردبیلی, 2015-06-01)Power transformers provide a vital link between the generation and distribution of produced energy. Such static equipment is subjected to abuse during operation in generation and distribution stations and leads to catastrophic ...



