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potential

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ZFDW-2 generator surface potential tester


Conventional preventive tests are generally difficult to find the insulation defects of the end of the cold stator wire in the turbine generator. The DC pressure surface potential test can effectively find out the insulation defects at the end of the stator coil. The inter-phase short circuit fault at the stator end has caused great economic loss. For this reason, the Ministry of Electric Power Industry and the Ministry of Machinery Industry issued document Anshengji (1994) No. 86, which stipulates that the hand bag insulation measurement test at the generator end is one of the important test items for the generator. The generator surface potential tester is a high-tech product that fully meets the spirit of document No. 86. Its use has greatly improved the maintenance efficiency of the generator.