330MW发电机组甩负荷试验系统电压计算分析  

Analysis on system voltage calculation in load rejection test of 330MW generation units

作　　者：项丽[1] 杨超平[1] 李放[1] 张军[1] 丁茂生[1] 

机构地区：[1]宁夏电力调度中心,银川市750001

出　　处：《宁夏电力》2007年第A01期23-26,共4页Ningxia Electric Power

摘　　要：为提高电网仿真计算精度,掌握实际系统扰动和仿真计算结果间的偏差,宁夏电网进行了330MW发电机组甩负荷试验。对比实测电压值与仿真计算值的偏差,分析偏差主要原因,并通过调整发电机励磁模型和负荷模型提高仿真计算的精度。In order to improve artificial computational accuracy of power network, master the deviation between actual system disturbance and artificial computation result, Ningxia electric grid carries out load rejection test of 330MW generation units, compares the deviation between real measures voltage value and artificial computation value, analyzes the main reason of the deviation, by adjusting generator＇s excitation model and load model improves the artificial computational accuracy.

关 键 词：宁夏电网 甩负荷试验 励磁模型 计算精度 

分 类 号：TM744[电气工程—电力系统及自动化]