In this paper

the over voltage test device for power capacitor is designed throughout analysis of standard requirement on over-voltage test of high voltage and large capacity power capacitor

with combination of the analysis and selection of main circuit scheme and system design

selection of appropriate equipments such as transformer

converter and variable frequency power supply equipment in accordance with test parameters etc and by the use of power electronic technology and high voltage test technique. The device has adjustable inductance value and the test voltage

can monitor and display the voltage and current in the test and

at the same time

has the function of over-voltage and over-current protection as well as perform storage and amangement of test data. It is verified by the test that the device can meet test requirement specified in the standard and can provide reliable test support for the design

determination and optimization of parameters of power capacitor.