Voorbeelden van het gebruik van Withstand voltage test in het Engels en hun vertalingen in het Nederlands
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The abnormal problems in the AC withstand voltage test are as follows.
Withstand voltage test to prevent unnecessary damage to equipment.
Power frequency withstand voltage test generally has the following characteristics.
Insulation withstand voltage test is also called destructive test. .
At the same time, it has the following characteristics compared with AC withstand voltage test.
Therefore, the transformer may pass the 1min withstand voltage test, but the operation reliability cannot be guaranteed.
Power frequency withstand voltage test, pay attention to check whether the equipment capacity is sufficient, and should avoid resonance.
The machine will automatically complete the withstand voltage test on one cup of sample oil after simple setting by the operator.
The AC withstand voltage test of hydroelectric generators
During the withstand voltage test of insulating mats, it is necessary to cooperate with the boosting device.
Since the AC withstand voltage test of the fully insulated transformer is tested,
Long-term induction withstand voltage test of the wound winding together with the bushing with partial discharge measurement;
Parallel resonance or test When the transformer method is used for the withstand voltage test, the breakdown current immediately rises several tens of times.
Before and after the AC withstand voltage test, the insulation resistance should be measured.
The withstand voltage test can only be carried out after the insulation resistance shaking test qualified.
The disadvantage is that It will cause some damage to the insulation during the withstand voltage test.
In many cases, the DC voltage withstand test cannot quickly detect the presence of a cross-linked cable as in the AC withstand voltage test.
The edge oil dielectric strength tester is mainly used for the withstand voltage test of insulating oil.
The power frequency AC withstand voltage test plays a decisive role in assessing the main insulation strength of the transformer
AC withstand voltage test of the winding and the casing instrument to the outer casing;