Thermodynamic and Exergoeconomic Operation Optimization and Simulation of Steam Generation Solar Power Plant
Topology Transformation Approach for Optimal PMU Placement for Monitoring and Control of Power System
Performance Evaluation of Power System with HVDC Integration: Impact of SSSC and STATCOM on Power System Efficiency and Stability
Photovoltaic Systems: A Pollination-Based Optimization Approach for Critical Industrial Applications
Design of a Robust Controller for the Load Frequency Control of Interconnected Power System
Multi Area Load Frequency Control of a Hybrid Power System with Advanced Machine Learning Controller: Case Study of Andhra Pradesh
A New Hybrid Cuckoo Search-Artificial Bee Colony Approach for Optimal Placing of UPFC Considering Contingencies
Efficiency and Investment Comparison of Monocrystalline, Polycrystalline, and Thin Film Solar Panel Types at Karabuk Conditions
Design of a Grid Connected PV System and Effect of Various Parameters on Energy Generation
Comparative Analysis of Harmonics by Shunt Active Filter using Resonant Current Control in Distribution System
Optimal Distributed Generation Placement for Maximum Loss Reduction using Teaching Learning Based Optimization through Matlab GUI
Development of Power Flow Controller for Grid Connected Renewable Energy Sources Using Lyapunov function
Detection and Location of Faults in Three Phase 11kv Underground Power Cables By Discrete Wavelet Transform (DWT)
Design of PV-Wind Hybrid Micro-Grid System for Domestic Loading
Applications of Artificial Neural Networks in various areas of Power System; A Review
In recent times, Distributed Power Flow Controller is an important device within the family of FACTS Devices. This paper investigates Multi Level Inverter (MLI) based Distributed Power Flow Controller (DPFC) system for voltage sag mitigation and harmonic reduction. The DPFC employs a Shunt based Static Compensator (STATCOM) and multiple series converters to improve the power quality. DPFC was placed at the correct location in the power transmission system to gain advantages like improved voltage profile and reduced power loss. Circuit models are developed for Eight bus system with and without DPFC. The MATLAB/SIMULINK results obtained shows an improved performance in voltage sag mitigation, voltage quality of load busses, power quality improvement, comparison of the bus voltages with and without DPFC and reduction in load voltage harmonics. The results indicate that MLI based DPFC has improved in power quality and reduction in total harmonic reduction.
Distribution lines subjected to vagaries of nature are prone to metal fatigue, which results in snapping of live conductors. These broken conductors, upon contact with earthed objects or, among themselves, cause High Impedance Faults (HIF) which are difficult to be detected, based on system parameters. The faults cause arcing grounds, which are prone to fire hazards, leading to loss of life and property. This paper presents a novel method of HIF in distribution feeders, using Wavelet and Decision Tree approaches. Wavelet approach has proved to be successful in understanding and evolving solutions to many problems in Power Quality, Power System Protection, and Transient Analysis. The technique adopted, uses Wavelet Transform (WT) in the pre-processing stage for feature extraction, which is used to prepare the necessary data, to be used in the Decision Tree. The current waveform, when measured at the relaying point, yields coefficients which are used as the inputs to the decision tree. A realistically developed HIF model using a typical IEEE 13 Radial Distribution System was used to determine the performance of the technique for different types of HIF and Capacitor switching, linear faults and non linear load switching, etc. The method was found to be robust, fast, and accurate.
Condition monitoring of power transformers improves the reliability and the safety of an electrical power system. It protects the transformers from fire hazards, and avoids a huge revenue loss to the utilities. The health status of transformers is decided by their several influencing factors. An accurate health assessment of transformers based on various influencing factors has been a challenging task for the researchers as well as the diagnostic experts. In the present paper, a new multi-criterion technique for assessing the health condition of the transformers has been proposed. The main aspects of transformers have been taken into consideration in evaluating their present health status. The overall outcome of the proposed model depends upon all considered attributes as a whole, but not on any single attribute. Hence the proposed approach determines the more reliable and accurate health condition of transformers. It removes the over influence of the attributes in an exact decision making. It also overcomes the shortcomings of the conventional health assessment methods of transformers. Final calculated factors imply what kind of action needs to be implemented for optimal performance and life extension of the transformers.
Conductor selection plays an important role in distribution system. The usual approach is to select the conductor with the least cost. This has an adverse effect on the losses. There is a need to determine the conductors in such a way that there is reduction in the cost of conductor and reduction in losses. Initially, the type of conductors are selected based on flat voltage profile. To reduce the cost of losses incurred on energy and cost of depreciation and interest, the optimization method named as Grey Wolf Optimization (GWO) is proposed. Also the increase in load which can be applied to the network without changing the configuration of the conductors obtained after optimization is determined. The systems used to test the given objective are 16 bus, 22 bus, and 24 bus systems with MATLAB.
ln this paper, performance of solar photovoltaic power system using State Vector Pulse Width Modulation technique is studied. As we know the solar photovoltaic power generation is getting a wide attention because of its clean and renewable energy, which is the need of the hour to use as an alternate to the conventional energy. However, the power produced by solar PV system contains some power quality problems such as low output voltage, harmonics, ripples, and poor power factor. SVPWM techniques can be applied to reduce such problems. Such methods will be studied in this paper of solar PV power generation containing boost converter.