大型变速抽水蓄能机组调速系统RTDS仿真及试验研究  

RTDS Simulation and Experimental Study of Governing System of Large Variable Speed Pumped Storage Unit

作　　者：于爽 蔡卫江 贾鑫 白常煜 施海东 初云鹏 YU Shuang;CAI Weijiang;JIA Xin;BAI Changyu;SHI Haidong;CHU Yunpeng(State Grid Xinyuan Hebei Fengning Pumped Storage Co.,Ltd.,Fengning 068350,China;NARI Group Co.,Ltd.(State Grid Electric Power Research Institute),Nanjing 211106,China)

机构地区：[1]国网新源河北丰宁抽水蓄能有限公司,河北丰宁068350 [2]南瑞集团有限公司(国网电力科学研究院),南京211106

出　　处：《大电机技术》2023年第4期91-97,共7页Large Electric Machine and Hydraulic Turbine

摘　　要：可变速抽水蓄能机组对改善电网运行的稳定性和灵活性有着非常重要的作用,已逐渐获得重视。国内的研究主要集中在理论方面,对装置及RTDS试验方面的研究很少。本文通过研制的可变速机组调速器设备,联合励磁、协调控制单元、监控系统设备,在RTDS系统上建立了水泵水轮机、液压执行机构、发电电动机、电力网络等模型,搭建了混合仿真试验平台,给出了变速机组调速器的调节模式和原理框图,研究了变速抽水蓄能机组在发电及抽水工况下,调速器开度模式、功率模式、转速模式下的功率调节和入力调节试验,分析了试验波形并给出了试验结论,为下一步变速机组国产化工程应用提供了可靠借鉴。Variable speed pumped storage units play a very important role in improving the stability and flexibility of power gridoperatio.Domestic research is mainly in theory,but there is little research on device and RTDS test.Based on the developed variable speed unit governor equipment,combined excitation,coordinated control unit and monitoring system equipment,the models of pump turbine,hydraulic actuator,generator motor and power network are established on RTDS system.The hybrid simulation test platform is built,and the regulation mode and principle block diagram of variable speed unit governor are given.The input and output power regulation tests of variable speed pumped storage unit under turbining and pumping conditions,governor opening mode,power mode and speed mode are studied.The test waveform is analyzed and the test conclusion is given,which provides a reliable reference for the localization engineering application of variable speed unit in the next step.

关 键 词：变速抽水蓄能机组 转速模式 快速功率调节 RTDS仿真 调速器 

分 类 号：TM622[电气工程—电力系统及自动化]