Easy-to-build AC power meter

被引：0
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作者：
Prabakaran, D. [1 ]
机构：
[1] Department of Mechanical Engineering, N.L. Polytechnic Institute, Mettupalayam 641301, Tamilnadu, India
来源：
Electronic Design | 2003年 / 51卷 / 10期
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D O I：
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摘要：
An ac power meter is constructed using a current transformer. Current ratio flowing through the primary and secondary wires is inversely proportional to the turns ratio of the transformer. The transformer may be broken if the secondary circuit is open with a high current on the primary wire.
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