Ultrasonic automatic detection system for self-healing discharge of self-healing parallel capacitor and ultrasonic automatic detection method
A self-healing capacitor and automatic detection technology, applied in the direction of using acoustic measurement for testing, instruments, measuring electricity, etc., can solve the problems of low sensitivity, easy to miss detection and human error, and achieve the effect of simple operation, reliable and accurate detection means
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[0026] The present invention will be further explained below in conjunction with the accompanying drawings and specific embodiments.
[0027] Such as figure 1 As shown, the self-healing discharge automatic detection system of self-healing parallel capacitors based on ultrasonic technology in the present invention includes sequentially connected acoustic emission sensors, preamplifiers, band-pass filter modules, high-resolution 18-bit AD acquisition boards and host computers ; Wherein, the sample to be tested is connected with an adjustable DC high-voltage power supply, and the adjustable DC high-voltage power supply includes power transformers, filters, voltage stabilizers and other units, which can output controlled DC high voltage for self-testing. The healing capacitor generates self-healing discharge to provide safe DC excitation, which is connected to the host computer and controls the voltage output to the sample to be tested through the host computer; between the adjust...
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