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Generator AC withstand voltage test operation flow
Generator AC withstand voltage test operation flow
1. The generator AC withstand voltage test checks the connection line and confirms it is correct;
2. AC voltage withstand test of the generator is connected to the power supply: After the regulator console is powered on, the “power switch†is activated, the “power indicator†light is on, and the LCD lights up.
3, increase the output voltage of the voltage regulator: Generally increase 20V to 40V.
4. Adjust the reactor clearance: (namely, find the resonance point) Under normal circumstances, after the end of the previous test, that is, before the start of this test, the adjustable reactor core should be in the zero clearance position. Start pressing the “gap†button. At this time, note the value of the “test voltageâ€. In the process of adjusting the gap, the test voltage increases with the increase of the core gap. (Because the increase gap is gradually approaching the resonance point, the voltage It also increases.) When the test voltage increases to a "maximum value" (that is, when increasing to a certain point in the process of increasing the gap, the test voltage will instead decrease), this point is the "resonance point."
5, generator AC withstand voltage test boost: When the "resonance point" is found, you can increase the voltage regulator output voltage to be added to the test item "rated test voltage"
6. Timing: When the test voltage rises to the required value, set “Dialing time relayâ€. Generally, the generator time is 1 minute. After setting, press “Timer†button to start timing.
7. Step-down: When the pressure-proof time is completed, the regulator automatically depressurizes and the test is completed (In this process, it is also possible to manually depressurize, ie hold down the “Buck†button).
8. Alternator voltage withstand test of the generator core return: When the test is completed, the core must be returned to the "zero clearance", ie, the lowest point, to ensure that the iron core mechanical transmission rod is not subjected to force when there is no test.
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