大型蓄能机组一次调频试验及性能分析

Experiment and Performance Analysis on the Primary Frequency Regulation Function of Large Pumped Storage Units

为尽快满足电网调频的要求,提高电网供电质量,做好并网机组一次调频功能实测及投入工作,对机组永态转差系数、接力器转速死区、频率死区、负荷响应滞后时间等一次调频功能重要参数指标进行实测,依据试验结果对广州蓄能水电厂机组一次调频性能进行分析,并根据分析结果对调速器参数进行了优化,使得机组一次调频投入并达到电网要求。实验结果证明大型抽水蓄能机组通过对调速器相关参数的优化,在保证机组安全运行的基础上,可以满足电网对于一次调频性能的相关要求。

In order to meet the requirement of frequency regulation and to enhance the power quality,the real measurement of primary frequency regulation function of grid-connected units and its input are important.The performance of primary frequency regulation of large pumped storage units is analyzed according to experiment results,and the parameters of governor are optimized based on analysis results,which bring the primary frequency regulation of units into work to meet the requirement of power grid.The optimized parameters can meet the relative requirements of the performance of primary frequency regulation for power grid based on security of units operation.