高电压技术2012,Vol.38Issue(4):1019-1024,6.
基于SCADA及时域最小二乘法的抽水蓄能电站发电机多工况参数辨识
Parameters' Identification of Generator in Pumped Storage Station Based on SCADA Data
黄文涛 1邓长虹 1汪志强 1舒征宇 1翁毅选1
作者信息
摘要
Abstract
To identify the parameters of generators in pumped storage power station in multiple operation states,by establishing differential equations of generators,we put forward the relationships between the variables of measured data and identification parameters,and put forward the identification method of the generator parameters in multiple states based on least squares method,by which the parameters in multiple states could be identified through the SCADA data of pumped storage power station.Using the actual operating data of generator state and pumping state,we simulated to obtain the parameters through C++procedure.It is found that the error between the actual value and the identification value is less than 5%.The simulation results prove that high sampling rate data can stimulate transient and sub-transient process of pumped storage generators.The identification method by using sampling data and mathematical derivations has better effects than that by using experiment,and this method is fit for the feature of multiple states of pumped storage power station.关键词
抽水蓄能电站/多工况/最小二乘法/SCADA数据/发电机/参数辨识Key words
pumped storage power station/multiple states/least squares method/SCADA data/generator/parameters identification分类
信息技术与安全科学引用本文复制引用
黄文涛,邓长虹,汪志强,舒征宇,翁毅选..基于SCADA及时域最小二乘法的抽水蓄能电站发电机多工况参数辨识[J].高电压技术,2012,38(4):1019-1024,6.