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发明名称
具有灵敏线圈的宽功率因数电度表
摘要
一种具有灵敏线圈的宽功率因数电度表,由原有电度表、次级电压线圈、灵敏线圈、限差电阻和联接板所组成。本电度表不改变原有电度表的外观和内部结构,将绕在并联铁心上次级电压线圈端头和绕在串联铁心上的灵敏线圈端头经过安放在电度表内的限差电阻及联接板相连接。以利广大供电部门推广应用这种灵敏度高并且功率因数在0.3—1.0范围内准确计量电能的宽功率因数电度表,从而避免原有电度表在小负载和低功率因数时漏计电能。
申请公布号
CN87206648U
申请公布日期
1988.08.10
申请号
CN87206648
申请日期
1987.04.18
申请人
田福;姜成玉;王德聪;朱红;刘克芳
发明人
田福;姜成玉;王德聪;朱红;刘克芳
分类号
G01R11/06
主分类号
G01R11/06
代理机构
代理人
主权项
1、具有灵敏线圈的宽功率因数电度表,主要由现有的电度表和灵敏线圈及次级电压线圈所组成,其特征在于灵敏线圈7联接板10、限差电阻11和次级电压线圈3互相串联。
地址
黑龙江省牡丹江市电业局
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