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发明名称
缺相保护器
摘要
本实用新型是一种缺相保护器,特别是采用以a.光电耦合器,b.可控硅触发电路的电源,c.交流接触器的线圈分别检测三相电压的电压型缺相保护器,使用本保护器能有效地防止因三相电源缺相给用电器带来的直接危害,本保护器体积小、功耗低、重量轻、成本低、寿命长,可靠性高,制作容易。
申请公布号
CN2106431U
申请公布日期
1992.06.03
申请号
CN91223180.7
申请日期
1991.08.13
申请人
董庆同
发明人
董庆同
分类号
H02H3/253;H02H3/247
主分类号
H02H3/253
代理机构
代理人
主权项
1、一种能用于三相交流稳压器的缺相保护器,其特征是三相电源的检测元件有光电耦合器和交流继电器。
地址
630013四川省重庆市下安乐洞65号
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