Possible reasons for overload of auxiliary transformer of new energy box transformer

The possible reasons for the overload of the new energy transformer box transformer are as follows:

1, the main feature of mechanical overload is motor heating, which can be found by reading the running current on the display screen.

2. Unbalanced voltage leads to excessive running current in a certain phase, which leads to overload tripping. It is characterized by uneven heating of the motor, which may not be found when reading the running current from the display screen (because the display screen only shows one phase current).

3. The internal current detection part of the frequency converter is faulty, and the detected current signal is too large, resulting in tripping.

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