基于转子动能控制和蓄电池储能系统共同作用的风电调频策略
A Strategy of Wind Power Participating in System Frequency Regulation Based on RKC and BESS
DOI: 10.12677/SG.2016.66047, PDF, HTML, XML, 下载: 1,752  浏览: 4,337  科研立项经费支持
作者: 赵嘉兴, 高 伟, 上官明霞：国网山西省电力公司科信部，山西 太原；查效兵*, 岳 帅：华北电力大学电气与电子工程学院，北京
关键词: 风力发电；频率调整；转子动能控制；蓄电池储能系统；负荷扰动 ；Wind Power； Frequency Regulation； RKC； BESS； Load Disturbance
摘要: 大量风机采用电力电子变流器的方式并网，使得风机与系统解耦，不具有像同步机一样的调频能力。采用转子动能控制增加系统的惯性，控制转速释放转子中的旋转动能为电网频率提供动态支持。同时引入响应速度快、规模灵活、能量密度大的蓄电池储能系统，弥补转子动能控制的不足。利用蓄电池储能系统快速吐纳能量的能力，抑制频率波动，减小系统的稳态频率偏差，提高动态频率响应能力。最后，基于DIgSILENT/PowerFactory平台对该控制策略进行了仿真研究，验证了该策略的合理性和有效性。
Abstract: A large number of wind turbines are connected into power grid by power electronic converter, making wind turbines and the grid decoupling, without the same frequency regulation capability as synchronous generators. In order to improve the frequency regulation capability of wind turbines, a frequency modulation strategy based on rotor kinetic energy control (RKC) and battery energy storage systems (BESS) is proposed. RKC can increase system’s inertia and release the rotational kinetic energy in rotors to provide dynamic support for the grid frequency. RKC frequency regulation capacity is restrained by wind speed. Therefore, BESSes with the ability to absorb and release energy quickly can be used to inhibit the frequency fluctuations, reduce system's steady-state frequency deviation and improve the dynamic frequency response. Finally, the control strategy is simulated based on DigSILENT/PowerFactory platform, which proves the rationality and effectiveness of the strategy.
文章引用：赵嘉兴, 高伟, 上官明霞, 查效兵, 岳帅. 基于转子动能控制和蓄电池储能系统共同作用的风电调频策略[J]. 智能电网, 2016, 6(6): 429-438. http://dx.doi.org/10.12677/SG.2016.66047

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