基于超级电容器的直流系统混合储能研究Research on Hybrid Energy Storage for DC System of Substations and Power Plants Based on Super Capacitors
王振浩;张延奇;李国庆;辛业春;张少杰;
摘要(Abstract):
针对目前电力系统中直流电源存在的使用寿命短,蓄电池老化导致功率输出能力下降,以及为满足短时大功率需要而配置远大于经常性负荷容量的蓄电池造成浪费等问题,利用超级电容器功率密度大、循环寿命长等优点,提出一种混合储能的直流系统实现方案,并给出了该方案的电路拓扑、工作原理、系统模型、实际案例设计和仿真分析。仿真结果表明,该方案通过采用超级电容器,能够有效提高直流系统的功率输出能力,延长直流系统的使用寿命和改善其技术经济性,从而提升直流系统的可靠性和经济性。
关键词(KeyWords): 直流系统;混合储能;超级电容器;功率提升;延长循环寿命;技术经济性分析
基金项目(Foundation):
作者(Author): 王振浩;张延奇;李国庆;辛业春;张少杰;
Email:
DOI: 10.13335/j.1000-3673.pst.2010.04.024
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