Induction withstand voltage testing method for voltage transformer via relay protection tester
A voltage transformer and relay protection technology, which is applied in the field of voltage transformer induction withstand voltage test using a relay protection tester, can solve the problems of damaged test products, difficult handling, heavy equipment, etc., to improve test quality and improve Output waveform and ensure safety effect
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[0029] The present invention is further illustrated below by specific examples.
[0030] A method for conducting an induction withstand voltage test on an electromagnetic voltage transformer by using a relay protection tester, comprising:
[0031] Step 1, test preparation;
[0032] Step 1.1. Prepare the factory report of the tested voltage transformer with a rated voltage of 10kV and the technical materials of previous tests, and confirm that when the transformer leaves the factory to induce withstand voltage, input about 280V voltage from the a and n terminals of the secondary winding, the frequency is 150Hz, and the primary induction high voltage 28kV, and prepare test equipment such as relay protection tester, high-voltage divider, test ammeter, compensation inductor, and high-voltage discharge rod;
[0033] Step 1.2, check the insulation performance of the voltage transformer, and confirm that the induction withstand voltage test can be carried out;
[0034] Step 1.3. Ar...
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