The method of high voltage test of power transformer is as follows:
(1) Connect the lead wires according to the wiring diagram of the power transformer, and ensure the safety and reliability of the grounding of the transformer and the control box;
(2) Before the high-voltage test of the power transformer, carefully check whether the contact of each part of the wiring is good, and check whether the voltage regulator in the control box is adjusted to the “zero” position;
(3) After the power transformer is powered on and the green indicator light is on, you can press the start button; after the red indicator light is on, wait for the boost;
(4) The test personnel rotate the handle of the pressure regulator in the control box clockwise and at a constant speed to slowly increase the pressure, and closely observe the indication changes of the instrument and the operation of the test product;
(5) After the high-voltage test of the power transformer is completed, quickly adjust the voltage to zero, press the stop button and cut off the power supply, and untie the lead wires connected in the test.
