DC resistance test is an indispensable test item after the transformer is handed over, overhauled and the tap changer is changed. Therefore, it is very important to use a DC resistance tester to test the DC resistance of the transformer. Routine maintenance and good use of the DC resistance tester.......
Read MoreAccording to statistics, the faults of the on-load voltage regulating switch of the transformer mainly include two aspects: First, the failure of the voltage regulating switch driving mechanism, mainly including the linkage of the electric mechanism, water intrusion into the box, oil leakage from th......
Read MoreHigh voltage test transformers can also experience faults in normal use, but small faults such as short circuits can actually be avoided. Now, let's introduce in detail the common faults and solutions of high-voltage test transformers.
Read MoreA technical means to test and evaluate the insulation withstand voltage capability of electrical equipment. Insulation structures need to be used to isolate the live parts of all electrical equipment from the grounded parts, or from other non-equipotential live bodies, to ensure the normal operatio......
Read MoreThe power frequency AC withstand voltage test(AC hipot test) is to apply a certain voltage to the test object and maintain it for a certain period of time, in order to consider the insulation capacity of the test object to withstand various voltages and ensure the operation of the equipment.
Read More1. After the cable fault tester has connected the lines on site according to the multiple pulse method, it is normal if a more ideal test waveform cannot be obtained by applying high impact voltage at one time. Because the distance to the fault is not known in advance, the electrical strength of th......
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