摘要
针对大容量变速抽蓄机组的2种控制模式:交流励磁系统调节机组输出的有功和无功功率、调速系统调节转速,和交流励磁系统调节机组转速和输出的无功功率、调速系统调节有功功率,推导建立其控制系统,并对第二种控制模式进行优化。在交流励磁系统常规的双闭环控制基础上,对其转速环参考值的给定叠加一个对机组输出有功功率的调节,通过RTDS半实物仿真平台,验证所建立的控制系统具有良好的控制性能。
The large-capacity variable-speed pumped-storage unit has two control modes:one is the AC excitation system regulating the output active and reactive power of unit and the speed regulation system regulating the speed of unit,and the other is the AC excitation system regulating the speed and output reactive power of unit and the speed regulation system regulating the output active power of unit.The AC excitation control systems of the large-capacity variable-speed pumped-storage unit are deduced for above two control modes.Under the second control mode,in order to improve the AC excitation control strategy,an adjustment of the unit output active power is added to the reference value of the speed loop based on the conventional double closed-loop control structure.For verifying the proposed control system,the hardware-in-the-loop simulation is carried out on RTDS(real time digital simulation system),and the simulation result shows that the proposed control system takes on good control performance.
作者
周敏
衣传宝
孙静
陈晓刚
牛翔宇
ZHOU Min;YI Chuanbao;SUN Jing;CHEN Xiaogang;NIU Xiangyu(NARI Group Corporation(State Grid Electric Power Research Institute),Nanjing 211106,Jiangsu,China;NARI Technology Company Limited,Nanjing 211106,Jiangsu,China;State Grid Xinyuan Company Limited,Beijing 100761,China;State Grid Zhejiang Electric Power Company Limited,Hangzhou 310007,Zhejiang,China)
出处
《水力发电》
CAS
2021年第6期75-79,共5页
Water Power
基金
国家电网公司科技项目“大型变速抽水蓄能机组关键技术自主化工程应用研究”(521104180013)。
关键词
变速抽蓄机组
交流励磁系统
协调控制
控制策略
variable-speed pumped-storage unit
AC excitation system
coordinated control
control strategy
