No partial discharge frequency conversion resonance experiment system
A frequency conversion resonance and test system technology, applied in the field of electric power, can solve the problems of large partial discharge interference, unable to meet the requirements of partial discharge measurement test, etc., and achieve the effects of small electromagnetic interference, high use value and economic value, and simple operation.
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[0015] Such as figure 1 As shown, the whole device includes low-interference variable frequency power supply 1, excitation transformer 2, resonant reactor 3, voltage divider 4, partial discharge tester 5, partial discharge interference suppression box 7, detection impedance box 8, coupling capacitor 6, etc., three The phase-to-phase AC voltage is connected to the low-interference variable frequency power supply 1, the voltage output of the low-interference variable frequency power supply 1 is connected to the excitation transformer 2, the high voltage end of the excitation transformer 2 is connected to the resonance reactor 3, the low voltage end of the excitation transformer 2 is connected to the earth, and the resonance reactor 3 The output is connected to the high-voltage terminal of voltage divider 4, the high-voltage terminal of coupling capacitor 6, the low-voltage terminal of voltage divider 4 is connected to the ground, the output terminal of voltage divider 4 is connec...
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