直流微电网中电池与超级电容器的电力共享分析

2018 International Conference on Power Energy, Environment and Intelligent Control (PEEIC) Pub Date : 2018-04-01 DOI:10.1109/PEEIC.2018.8665564

Tikshit A. Kohale, R. Moharil, Shweta S. Ghadyalji

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引用次数: 1

摘要

如今，可再生能源越来越受欢迎。这些可再生能源本质上是间歇性的。为了满足负载的需要，需要采用直流形式的蓄电池等存储装置。研究发现，直流微电网适用于偏远地区和传统电网无法传输电力的低功率家庭用户。电池功率密度低，充放电率低。因此，在负载快速波动时，电池承受着很大的压力，降低了电池的寿命。超级电容器具有功率密度高、对负载波动反应快的特点。本文采用了电池与超级电容器的组合，并根据电池的充电状态研究了各种情况，以满足能源需求。电池和超级电容器在瞬态状态下分担负载电流有助于减少对电池的压力。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Analysis of Power Sharing by Battery and Ultra-capacitor in dc Microgrid

Renewable sources are becoming more popular these days. These renewable energy sources are intermittent in nature. To satisfy the load demand some storage devices like battery are required which is in the form of dc. The dc microgrid is found to be suitable for remote areas and the low power domestic consumers, where electricity is not transmitted by conventional grid. Battery have low power density, the charge/discharge rate is low. Therefore, during quick load fluctuation battery is under high stress, reducing the lifetime of battery. Ultra-capacitor has high power density and it react quick to load fluctuation. In this paper the combination of battery and ultra-capacitor is used and various cases according to state of charge of battery have been studied to meet the energy demand. Sharing of load current by battery and ultra-capacitors during the transient conditions helps to reduce the stress on battery.

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来源期刊

2018 International Conference on Power Energy, Environment and Intelligent Control (PEEIC)

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