广东电力2018，Vol.31Issue(12)：33-40,8.DOI:10.3969/j.issn.1007-290X.2018.012.005
基于多环虚拟同步发电机的功率控制
Power Control Based on Multi-loop Virtual Synchronous Generator
摘要
Abstract
In traditional drop control, voltage and frequency of the micro-grid may fluctuate too fast and offset more during load change due to restriction of lack of inertial and excessive drop characteristic.Therefore, this paper proposes a kind of pow er control strategy for the multi-loop virtual synchronous generator (VSG) w hich firstly introduces virtual inertial and primary frequency modulation controller in active pow er-frequency drop control so as to restrain frequency oscillation and solve the problem of frequency offset caused by sudden increase of active pow er load.Secondly, by introducing virtual excitation and primary voltage modulation controller in reactive pow er-frequency drop control, this strategy could restrain voltage oscillation and solve the problem of voltage offset caused by sudden increase of reactive pow er load.Finally, by combining double closed loop control of voltage and current, the strategy could effectively ensure pow er supply quality of VSG.The paper also uses M ATLAB/Simulink softw are to establish a micro-grid simulation model to verify feasibility and effectiveness of this control strategy.关键词
虚拟同步发电机/下垂控制/虚拟惯性/虚拟励磁/微电网/电能质量Key words
virtual synchronous generator/drop control/virtual inertial/virtual excitation/micro-grid/power energy quality分类
信息技术与安全科学引用本文复制引用
陈中颖,胡传意,黄明明..基于多环虚拟同步发电机的功率控制[J].广东电力,2018,31(12):33-40,8.基金项目
南京工程学院大学生科技创新基金项目 (TZ20170008) （TZ20170008）
江苏省研究生科研与实践创新项目 (SJCX17-0447) （SJCX17-0447）
