摘要
结合浙江宁波中山变和邱隘变的运行情况,本文对现行九域区控制方式VQC的控制策略进行了分析,并提出了改进意见。改进后的控制策略可以减少变压器有载调压的次数,并与改善变电站各时段的功率因数趋于统一,使VQC的动作选择性更接近于人工控制。
Combining with operation situation of VQC (integrated control of voltage and reactive power)in Zhongshan substation and Qiuai substation,this paper analyzes control strategies of VQC based on the relaion between U and cos , puts forward the measures of improving these control strategies. The improved control strategies can decrease the times of on-load voltage regulation of transformer, improve the power factors of substation in different time period, and make the selectivity of VQC operation more close to that of manual VQC operation.
出处
《电网技术》
EI
CSCD
北大核心
1997年第10期47-49,共3页
Power System Technology
关键词
变电所
电压
无功综合控制
综合自动化
Substation Integrated automation Integrated control of voltage and reactive power