Hot water submersible pump starting device

Hot water submersible pump starting device
According to the above way of starting classification, Hot water submersible pump starting device can be divided into four kinds:
1, direct start device
It is suitable for low power submersible motor and hot water submersible pump. The starting device is composed of contactor, relay and other components.
The submersible motor and submersible pump operation in the overload, phase failure, stall and undervoltage and other abnormal operation to protect the state, and can be equipped with stator winding overheating protection.
2, automatic buck starting device
  Suitable for large power submersible motor and submersible pump, starting device by the contactor, relays and other components group
Into the control panel and equipped with a self-lotus transformer, submersible motor and submersible pump can be used to start the buck; can be submersible motor and submersible pump operation in the overload, phase, stall and undervoltage Abnormal operation of the state to protect; can be very sensitive to changes in liquid level or pressure control diving pump operation; wells can be equipped with stator winding overheating, overheating of the bearing, the motor or oil chamber and other special water protection.
3, Ah - △ start device
    The same applies to the larger power of submersible motors and submersible pumps. The starting device consists of two sets of contactors and relays
Components, submersible motor and submersible pump can be Y-△ buck start; also on the submersible motor and diving
The operation of the pump generated overload, phase failure, stall and undervoltage and other abnormal operation to protect the state; the same level or pressure changes can automatically control the operation of the submersible pump; and can be equipped with stator winding overheating, bearing overheating , The motor or the oil chamber and other special water protection.
4, variable frequency energy saving control device
    Submersible pump with variable pre-adjustable energy-saving device power supply, which has the following advantages:
    (1) The water supply system can be operated automatically according to the water supply needs: After setting the water supply pressure, the water supply system will
Set the pressure automatically adjust the speed of the submersible pump and the number of running, so that the water supply system running in the highly efficient energy-saving optimization.
    (2) the water supply system can automatically adjust the system water supply pressure, so that the water supply pressure to maintain a constant, to avoid the water supply pressure
Of the volatility.
    (3) the use of variable frequency device soft start, eliminating the start of the impact of the current, extending the service life of the device.
    (4) perfect protection: control device with overload, overcurrent, stall, overvoltage, overheating and other protection,
Submersible pump operation in the event of failure, the control device will automatically stop the submersible pump work, and alarm output; system and has a self-test, fault diagnosis, fault memory, fault display and automatic start standby hot water submersible pumps and other functions.