混合微电网上蓄电池组的性能研究

Babita Nanda, R. Jena
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引用次数: 0

摘要

混合微电网是由交、直流并网并以双向变换器为衬里构成的。采用柴油发电机、光伏电池、感应发电机和蓄电池组设计混合微电网,避免了多次转换,更加可靠。它在正常运行模式下连接到公用电网。在故障状态下,应断开并切换到孤岛运行模式。本文提出了一种独立的混合发电系统,该系统由感应发电机供电,由蓄电池组、太阳能和蓄电池组成。混合微电网是偏远农村地区电气化的一个很好的解决方案,这些地区的电网扩展非常困难且不经济。在实际应用中,孤立电网大多采用柴油发电系统,这种系统存在燃料成本高、运输成本高、对环境污染大等问题。为了使环境无污染,设计了一种环保的混合微电网系统。使电能质量保持在稳态状态。在这种暂态状态下,由于微电网的惯性较低,微电网的电压和频率可能会发生快速变化。因此,局部电压和频率控制是孤岛条件下的主要挑战之一。为此,在微电网中实现了粒子群优化算法(PSO),并通过MATLAB Simulink进行了验证。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Performance of Battery Bank on Hybrid Microgrid
A hybrid microgrid is composed of combination of the AC and DC grid which are interlined with bidirectional converter. To avoid the multiple conversion and more reliable the proposed hybrid microgrid is designed by taking diesel generators, Photovoltaic cell, induction generators and battery bank. It is connected to the utility grid in normal operating mode. During fault condition, it should disconnect and shift into island operation mode. This paper proposes a standalone hybrid generation system, fed by induction generator which is run with a battery banks, solar power, and storage battery. Hybrid microgrid is an excellent solution for electrification of remote rural areas where the grid extension is very difficult and not economical. Practically it has been seen that most of the isolated grid is powered by the diesel generation system, such systems has several problems like high cost fuel with extra transportation cost and making more pollution to the environment .To make pollution free environment ,an eco-friendly hybrid microgrid system has designed. It maintains the power quality in steady state condition. During this transient condition, the voltage and frequency of the microgrid may change rapidly due to low inertia present in microgrid. Therefore, local voltage and frequency control is one of the major challenges in islanded condition. To achieve this particle swarm optimization (PSO) algorithm is implemented in the proposed microgrid which is verified by MATLAB Simulink.
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