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The day-by-day increasing demand for energy can create problems for the power distributors, like grid instability and even outages. The necessity of producing more energy combined with the interest in clean technologies yields in an increased development of power distribution systems using renewable energy. In this purview, several types of Distributed Generations (DGs), local loads, storage system...
This paper presents FL-BESS (Fuzzy Logic - Battery Energy Storage System) based controller scheme that is used to improve the performance of a micro grid under islanding mode. The proposed controller works well when one of the micro sources is removed due to fault within the micro grid. Micro grid is formed by using three wind power plants feeding three-phase four-wire consumer load. The FL-BESS VF...
This paper presents an investigation of voltage and frequency based BESS (battery energy storage system) controller used in micro grid for analyzing the optimum capability of plant. Micro grid is formed by using three hydro power plants feeding three phase four wire load. The proposed controller is used for load balancing, harmonic elimination, load leveling and neutral current compensation. The proposed...
This paper endeavours an investigation of voltage and frequency (VF) based BESS (battery energy storage system) controller used in micro grid for analyzing the optimum capability of plant under transient conditions. Micro grid is formed by using three hydro power plants feeding linear and non linear loads. The BESS VF controller used is for load balancing, harmonic suppression, load leveling and neutral...
In recent years, there has been a considerable interest in installation of dispersed generation systems such as wind farms. The DFIG based variable speed wind turbine is the most popular in the growing wind market. This machine can be operate either in grid connected or stand alone mode. The interaction between the wind farm and the grid should be in compliance with the power quality standards. The...
Hybrid active power filter are used for eliminating harmonics in the power system. This paper deals with the hybrid active power filter for non-linear load along with its control scheme. In a hybrid active power filter, the active part is used to filter out the higher order harmonics, while lower order harmonics are eliminated by passive filter tuned for 5th and 7th order harmonic frequencies. The...
This paper addresses the comparative study of three phase controlled multi pulse converters used to drive the biomass, gas turbine, hydro, diesel and wind system based power plant which are the viable sources of renewable energy having different nature in respect of speed and voltage This paper approaches the input current shaping of controlled rectifier using multipulse current shaping concept. The...
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