Views: 7 Author: Site Editor Publish Time: 2018-02-02 Origin: Site
Method of judging complete demagnetization
(1) In the process of rising and falling of voltage, the excitation current value of the same voltage is the same;
(2)The waveform of the excitation current is symmetrical up and down, and there is no even harmonic component.
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Functions, characteristics and uses of electric fan capacitors
