Exemple de utilizare a Test transformer în Engleză și traducerile lor în Română
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The Test Transformer.
HZGPNYT 3KVA/5KV power frequency withstand voltage test transformer.
Test transformer selection which elements nee….
Why High voltage test transformer causes short….
Test transformer selection which elements need….
Why High voltage test transformer causes short circuit?
Test transformer selection which elements need to consider.
It is difficult to make other test transformers without partial discharge.
The test transformer should be wiped clean before use.
Non-partial discharge test transformer characteristics.
HZGPNYT 3KVA/5KV power frequency withstand voltage test transformer I.
Select the test transformer, the main consideration the following.
In these cases,it is necessary to have a test transformer without discharge.
The voltage tester consists of contact voltage regulator, control, measurement,protection circuit and test transformer.
Non-partial discharge test transformer characteristics[Apr 17, 2018].
Epoxy barrel oil immersed without partial discharge test transformer characteristics.
Therefore, the partial discharge level of the test transformer and coupling capacitor used should be controlled below a certain allowable amount.
The corona discharge is generated in the conductive portion of the test circuit at a high potential, such as the flange of the test piece,the metal cap, the test transformer, the end of the coupling capacitor, and the tip portion of the high voltage lead.
According to the test transformer output rated current and rated voltage,can determine the capacity of the test transformer, Ie P= UnIn.
The discharge in the test circuit,such as the discharge in the high voltage test transformer, can be detected by most discharge detectors.
The power supply used by the detector and the test transformer is connected to the low-voltage distribution network, and various high-frequency signals in the distribution network can directly cause interference.
HZT series control station is a complete set of equipment of high voltage test transformer, it and the test transformer carry out resistance pressure and leakage test. .
When the parallel resonance or the test transformer method is used for the withstand voltage test, the breakdown current immediately rises several tens of times, and the short-circuit current and the breakdown current are several hundred times different from each other.
Difference Between Oil-immersed test transformer And Dry Type test transformer.
Inflatable non-partial discharge test transformer is filled with SF6 gas with high dielectric strength as insulation medium.
Power frequency without partial discharge test transformers should be precautions before AC withs…[Mar 15, 2019].
Power frequency without partial discharge test transformers should be precautions before AC withstand voltage test. .
Second, the low voltage side voltage required for the test transformer should be checked to match the field supply voltage and voltage regulator.
One is an inflatable type partial discharge test transformer, and the other is an epoxy barrel oil-immersed type partial discharge test transformer. .
In the case of power detection test site use, the commonly used inflatable type partial discharge test transformer is small in size and light in weight, and it is convenient to move to the required position for on-site inspection and test. .