Product Details

10KVA/400V Induced Withstand Voltage Test Device



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10KVA/400V Induced Withstand Voltage Test Device manufacturer price, for power transformers, voltage transformers and other test objects, in addition to conducting external power frequency high voltage tests on the main insulation of fully insulated transformers, it is also necessary to conduct induced high voltage tests on the longitudinal insulation of transformers and the main insulation of semi-insulated transformers.

10KVA/400V Induced Withstand Voltage Test Device manufacturer price, according to national test standards, the induced test voltage for power transformers and voltage transformers is generally considered to be 2 to 3 times the maximum working phase voltage. As is well known, when a transformer operates at rated frequency and rated voltage, the iron core is close to saturation. If a test voltage higher than the rated voltage is applied across the windings of the transformer under test using a power frequency power source, the no-load excitation current will increase sharply to an unacceptable level. From the relationship of induced electromotive force, it can be seen that in order to apply a test voltage higher than the rated voltage without saturating the iron core, the method of increasing the power supply frequency (f) can be adopted, and a frequency multiplier power generator must be used.

Operating Environment:

1. Power supply conditions: three-phase 380V/50Hz

2. Ambient temperature: -15℃～  40℃

3. Altitude: not exceeding 1000 meters

Technical Data: