| 空载热备用输电线路电能计量分析 |
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| 引用本文： | 熊晓岚,李琦.空载热备用输电线路电能计量分析[J].四川电力技术,2010,33(3):27-29. |
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| 作者姓名： | 熊晓岚 李琦 |
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| 作者单位： | 1. 自贡电业局客户服务中心,四川,自贡,643000
2. 自贡电业局大安供电局,四川,大安,643010 |
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| 摘 要： | 在中性点直接接地系统中的空载热备用线路,对其计量电表进行分析,由于输电线路相对地、相相之间存在分布电容,会形成容性充电电流,通过TA、TV及TV二次回路传递到电能表进行计量时相位发生了偏移,造成有功电能反计。
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| 关 键 词： | 电容电流 电能表 互感器 相位 |
Cause Analysis for Active in Reverse Dirution Ouurring in 35 kV No.load Standby Heat Line |
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| Xiong Xiaolan,Li Qi.Cause Analysis for Active in Reverse Dirution Ouurring in 35 kV No.load Standby Heat Line[J].Sichuan Electric Power Technology,2010,33(3):27-29. |
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| Authors: | Xiong Xiaolan Li Qi |
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| Affiliation: | Li Qi Xiong Xiaolan |
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| Abstract: | The measuring kilowatt-hour meter of no-loaded standby heat lines in neutral point directly earthed system is analyzed.Because of distributed capacitance between phase to ground and phase to phase of transmission line,the capacitive charging current would come into being,and its phase will deviate when it is measured in kilowatt-hour meter through current transformer,potential transformer and secondary circuit of potential transformer,which causes that the active power is measured incorrectly. |
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| Keywords: | capacitance current kilowatt-hour meter transformer phase |
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