The highland is light discusses that tests the control cabinet manufacturer’s instruction of the voltage transformer under high pressure on day
1. The intersection of wiring and way that show according to the picture try changing and joining, pay attention to not forgetting the earth connection the control cabinet. After checking carefully, can energize and test.
2. Put through power, fasten to locate in by zero the intersection of voltage regulator and handwheel, zero switch close, power indicator lamp on ‘ Show the voltage regulator is exported as zero) .
3. Push and start the button, the contactor is sucked and shut, the voltage regulator receives the electricity, indicator lamp puts out the power at the same time, the indicator lamp of the job is on.
4. Clockwise slow evenly rotation voltage regulator handwheel, and pay close attention to the voltmeter reading, the switch when should stop rotating the handwheel while rising until necessary voltage valueing, open and count, the time relay begins to time, after testing until the time needed, give out and call the police sound in the platform, brief on test period to. Rotate handwheel backward in time, until the fact that voltage regulator go back to zero.
5. After finishing testing, push and stop the button, the contactor cuts out, indicator lamp puts out the job, the power indicator lamp is on.
6. This device is had and flowed and protected, test the necessary crossing the flowing value and choosing to flow with the change-over switch relay normally according to the product tried. The relay is according to 80% sharp of the specified value definitely when dispatched from the factory, it is small while supporting to use, should exactly fix again according to the load current, guarantee apparatus’ security. Tried the product in the course of stepping up, if puncturing the short circuit and flowing, cross and flow relay movements, power excise, prove products to be not up to standard, at this moment should fasten to zero voltage regulator.
Use and safeguard
1. Intact or not in conformity with monitoring device unpack; Especially whether the wiring end son becomes flexible, the carbon brush of the voltage regulator is contacted with the surface of the voltage regulator well.
2. Operate according to the operation sequence strictly, please read the manual carefully before using.
3. Do not need for a long time, employ 2500V to promise Europe’s table and check the main return circuit to the ground insulating resistance before reusing, its value should not be lower than 1.5M¦¸.
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