超级电容在风电场相变储输一体化系统中的应用及特性分析Application and Characteristic Analysis of Phase-Change Energy Storage and Generating System in Wind Farm With Super Capacitors
朱三立;卢继平;梁沛;
摘要(Abstract):
相变储能技术的应用有助于平抑风电场功率波动,但相变储能固有的迟滞特性对调功效果造成的负面影响也越来越突出。提出利用超级电容功率密度高、可以快速充放电的特点,改善相变储能的动态性能。以双螺杆膨胀发电系统为例,研究超级电容-相变储输一体化系统的运行特性。针对系统可能面临的典型工况,提出了考虑荷电状态约束和冲尖功率约束的超级电容环路控制规律;同时提出了考虑相变储能装机容量和爬坡速率的超级电容功率、容量配置方法。仿真结果表明,超级电容的引入极大地缩短了相变储能系统过渡时间,一体化系统获得了更加平稳快速的调功性能。
关键词(KeyWords): 风力发电;相变储能;迟滞特性;超级电容;功率调节
基金项目(Foundation):
作者(Author): 朱三立;卢继平;梁沛;
Email:
DOI: 10.13335/j.1000-3673.pst.2016.2770
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