SE-KQP1EN

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The SE-KQP1EN multi-function protective device is a multi-function over-temperature, under-voltage, over-current and short circuit protection and control device that can be widely used in the power system intelligent protection. This protective device is a combination of three-phase over-current protection, over-voltage protection, under-voltage protection, phase loss protection and phase sequence protection. It is an intelligent protective device with advanced micro-processing technology, built-in real-time clock, relay and control function, comprehensive safety protection and strong adaptability capabilities.

1. Application Field

The SE-KQP1EN protective device can be widely applied in all kinds of power system protection, including distribution network, industrial and mining enterprises, marine vessels, substation switch devices, transmission line and other equipments. This is an ideal protective device for low-voltage general electrical machinery.

2. Working Principle

The working principle of the SE-KQP1EN protective device is simple and convenient. When the equipment is operating normally, the protective device provides power to the load normally without any interference. When an over-current, over-voltage, under-voltage, phase loss, phase sequence, etc. occur in the system, the protective device will detect the fault signal, compare it with the trip setting, and quickly cut off the power supply of the faulty circuit by operating the wire-operated contactor. At the same time, the protective device will also send a signal to the monitoring system to inform the corresponding personnel to take measures to carry out the system protection.

3. Design Features

The SE-KQP1EN protective device has many design features that make it an ideal choice for power system protection. Its control processor uses a high-speed CPU to ensure high speed and accuracy of protection. And it has a complete set of logic control systems and display systems, which can implement various protection functions such as under-voltage, over-voltage, over-current, phase loss, phase sequence protection and power outage monitoring. Moreover, the device can be used in bridge circuits, and it has a built-in time-delay circuit and a fast shutdown circuit to realize rapid reaction and accurate protection.

4. Advantages

The SE-KQP1EN protective device has many advantages that make it a preferred choice for power system protection. It has a multi-function type and can fully meet the requirements of three-phase over-temperature, under-voltage, over-current and short circuit protection. It also has adjustable setting parameters, and flexible and convenient operation. Moreover, the device has higher protection accuracy and faster speed, can accurately judge the faulty circuit, and effectively guarantee the performance of the power system.

5. Conclusion

The SE-KQP1EN protective device is an ideal choice for power system protection. This device has a variety of features, including over-temperature, under-voltage, over-current and short circuit protection, adjustable setting parameters, and higher protection accuracy and faster speed. With its comprehensive safety protection and strong adaptability configurations, this protective device can effectively guarantee the performance of the power system.

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