Ultra-low frequency alternating-current (AC) constant-current demagnetization device of large transformer or mutual inductor and demagnetization detection method
A technology for transformers and transformers, which is applied in the field of ultra-low frequency AC constant current demagnetization devices for large transformers or transformers. It can solve the problems of long demagnetization time, complicated operation, and long time. impact effect
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[0019] The implementation of the present invention will be described in detail below in conjunction with the accompanying drawings, but they do not constitute a limitation to the present invention, and at the same time, the advantages of the present invention will become clearer and easier to understand.
[0020] See attached figure 1 It can be seen that: large-scale transformer or transformer ultra-low frequency AC constant current demagnetization device of the present invention, it comprises display 1, CPU control unit 2, described CPU control unit 2 and industrial frequency signal generator 3 (frequency is generally 50Hz, and voltage is 3 -4 volts, also can adopt other frequency or voltage) to connect, described industrial frequency signal generator 3 is connected with voltage power amplifier 4 (voltage is amplified to 100 volts), and voltage power amplifier 4 is connected with voltage booster 5, Described CPU control unit 2 is also connected with ultra-low frequency signal...
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