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怎么测量小变压器输出多少瓦
更新时间: 2021-03-15 13:23:15  

1、用瓦特计在次级输出侧直接量测,需加负载。

2、在次级输出侧分别串接电流表及负载处并接电压表,分别看电流表与电压表的读值 P=EI。即电压X电流为瓦特数。

3、注意交流与直流要弄清楚,免得损坏仪器。

关键词: 怎么 测量 变压器 输出 多少

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