Why does the soft starter start trip for a few seconds?

If the motor is tripped when the motor is soft started, first look at what fault is reported in the soft start, if it is a jump circuit breaker, it may be that the current is large when starting. If the motor is tripped during soft start and start operation, it may be the protection action of the soft starter 9. It is necessary to confirm the load of the motor 9. Is it caused by overload or phase break?

One: The reason for the circuit breaker trip when the soft starter starts the motor This trip situation occurs more in the start and stop, you need to recall whether it is just a start or stop trip, or start or stop a few seconds after the trip.

1, start or stop immediately jump, should check the motor side is short circuit, mechanism stuck or blocked. 2, start or stop the process of tripping, the current is too large or too long, has reached the circuit breaker trip setting curve. 2: The solution of circuit breaker tripping when the soft starter starts the motor 1, readjust the set value of the circuit breaker, so that the trip curve 9 is greater than the starting current curve. 2, adjust the soft start current limit multiple, so that the current is within the specified range. 3, reduce the start or stop time.

There are two things that happen: internal causes and external causes. If the newly installed soft starter immediately trips, external causes: it is necessary to check the motor, circuit, and matching transformer, air circuit breaker a, contactor 9, etc., check the quality, and whether the capacity size matches the soft starter. Then check the internal cause, whether there is a problem with the soft starter.