Controllable power frequency superposition impulse testing device and testing method thereof
A technology of impact test and power frequency, which is applied in the direction of testing dielectric strength, etc., can solve the problems of synchronous breakdown, failure to realize controllable and adjustable impact superposition, waveform distortion, etc., and achieve the effect of avoiding impact voltage intrusion
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[0025] Controllable power frequency superimposed impact test device such as figure 1 As shown, the device is composed of an impulse voltage generator 1, a power frequency voltage generating device 2, a coupling capacitor 3, a test product 4, and an automatic ignition device 5, wherein the output end of the impulse voltage generator 1 is connected to the input end of the coupling capacitor 3, The output end of the coupling capacitor 3 is connected to the output end of the power frequency voltage generating device 2 and the high voltage end of the tested product 4, the input end of the automatic ignition device 5 is connected to the primary side of the voltage regulator 17 on the power frequency side, and the output end of the automatic ignition device 5 is connected to the impulse voltage The ground end of the ignition ball gap 10 of the generator 1 is connected.
[0026] The impulse voltage generator 1 is composed of an impulse side voltage regulator 6, an impulse side power f...
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