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交流滤波器无功测量异常分析及改进措施 预览

Abnormal Analysis and Improvement Measures of AC Filter Reactive Power Measurement
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摘要 介绍了小组交流滤波器基本结构及无功功率计算原理,指出当前无功计算原理可能存在的隐患,同时结合交流滤波器无功测量异常事件,分析了交流滤波器无功异常对直流系统运行的不利影响及无功测量值发生异常的原因,指出此次异常是告警设置配合不完善引起的,并给出了改进措施。 The basic structure of the group AC filter and the principle of reactive power calculation were introduced. The hidden dangers of the current reactive power calculation principle were pointed out. At the same time,combined with the abnormality measurement of AC filter reactive power,the adverse effect and causes of abnormal reactive power measurement of AC filter reactive power measurement to the DC system were analyzed. It was indicated that the abnormality was caused by imperfect coordination with the alarm setting,and the improvement measures were given.
作者 付冲 李建勋 FU Chong;LI Jianxun(Guangzhou Bureau,CSG EHV Power Transmission Company,Guangzhou 510405,China)
出处 《电工技术》 2019年第5期78-79,81共3页 Electric Engineering
关键词 交流滤波器 无功 直流功率 电压 AC filter reactive power DC power voltage
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