电能计量互感器二次回路信号频率稳定控制  

Signal Frequency Stability Control of Secondary Circuit of Electric Energy Metering Transformer

作　　者：李兰哲 崔永 李光 LI Lanzhe;CUI Yong;LI Guang(Shenzhen Power Supply Bureau Co.,Ltd.,Shenzhen 518001,China)

机构地区：[1]深圳供电局有限公司,深圳518001

出　　处：《自动化与仪表》2023年第5期91-95,共5页Automation & Instrumentation

摘　　要：为了提高电能计量互感器二次回路信号频率稳定控制效果,该文提出电能计量互感器二次回路信号频率稳定控制。首先,建立电能计量互感器二次回路模型;其次,实行互感器二次回路压降误差分析;最后,通过互感器动态补偿装置中完成电能计量互感器二次回路信号频率稳定控制。实验结果表明,所提方法控制下二次回路压降比值偏差在0.1~0.16之间,角差偏差为1,二次回路信号频率稳定控制效果较好,具有较高的实际应用价值。In order to improve the frequency stability control effect of the secondary circuit signal of the electric energy metering transformer,the frequency stability control of the secondary circuit signal of the electric energy metering transformer is proposed.Firstly,the secondary circuit model of electric energy metering transformer is established;Secondly,the secondary circuit voltage drop error analysis of the instrument transformer is carried out;Finally,the frequency stability control of the secondary circuit signal of the electric energy metering transformer is completed through the dynamic compensation device of the transformer.The experimental results show that the voltage drop ratio deviation of the secondary circuit is between 0.1~0.16 and the angle difference deviation is 1 under the control of the proposed method.The frequency stability control effect of the secondary circuit signal is good and has high practical application value.

关 键 词：电能计量 互感器二次回路 信号频率稳定控制 动态补偿器 数据降维 

分 类 号：TM451[电气工程—电器]