因采样回路延时导致的机组有功波动事件分析

Analysis and optimization of active power fluctuations event of the unit resulting from sampling circuit delay

有功功率调节的稳定性关系到水电站的安全与经济效益。本文以某大型水电站机组有功功率波动案例为基础,对有功功率波动的原因排查、分析过程进行了阐述,并从功率采集装置、通讯管理装置、机组PLC、机组PLC与调速器的有功功率控制逻辑方面提出了优化措施,对同类型其他水电站机组有功控制及功率波动事件分析具有一定的借鉴意义。

The stability of active power regulation is related to safety and economic benefit of the hydropower station。Based on the case of active power fluctuations of the unit in a large-size hydropower station,this paper elaborates the troubleshooting and analysis process of the active power fluctuations,and proposes optimization measures of the power collection device,communication management device,unit PLC,active power control logic of unit PLC and regulator.The research results are of certain reference significance for analysis of the active power control and power fluctuation event of the unit in other hydropower stations with the same type.