10/23/2019

Causes of automatic tripping of screw vacuum pump


Screw vacuum pump tripping condition is more serious, especially when used, very harmful to the equipment, internal components will have a certain degree of wear. If travel occurs, it is necessary to find the reason for maintenance to avoid recurrence and secondary damage to the equipment.

One, it is impurity
1. Vacuum pump exhaust suction foreign body or impurities, motor load, vacuum pump can be removed, check whether there is a fault inside.
2. Screw vacuum pump is forbidden for a long time
2. If the stop time of the screw vacuum pump is too long, the motor load will cause the temporary current to be too high. At this point, the inlet of the enclosed vacuum pump can be operated to add heat pump body.
Third, is the power supply
3. The vacuum pump motor is connected to the two-phase power supply. Three-phase power supply not enabled. Can turn on the three-phase power supply of vacuum pump. If you operate a trip or trip for about ten hours, you can adjust the overcurrent limit.
Motor load
When the screw vacuum pump is used, the motor load of the vacuum pump is too high. If the current set by the electric control box exceeds the current, the vacuum pump will trip and trip by itself. At this time, the vacuum pump normal phenomenon, can be adjusted the upper limit of current protection, to solve the phenomenon of tripping.
Regularly maintain screw vacuum pump cleaning and equipment maintenance. By testing the above three conditions, better maintenance equipment will improve the use of equipment. Otherwise, if travel occurs, it will not only affect the productivity of the enterprise, but also increase expenses.

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