Acrel AM2SE Medium Voltage Ring Main Unit Protection Relay

Name: AM2SE Medium Voltage Ring Main Unit Protection Relay
Brand: Jiangsu Acrel Micro-grid Research & Development Institute

AM2SE medium voltage ring main unit protection relay is suitable for line protection and transformer protection. It can meet the customer's 10KV and below voltage level power consumption system's guarantee requirements for the safe operation and reliability of electric energy. It is currently widely used in substations, industrial and mining enterprises, hospitals, schools, commercial plazas and large buildings and other distribution network ring network cabinets.

Specification of AM2SE Medium Voltage Ring Main Unit Protection Relay

Function

Protection functions	AM2SE-
	V	H
Overcurrent (3 stages, IDMT)	■
Earth fault (3 stages, IDMT)	■
Negative sequence overcurrent (2 stages, IDMT)	■
Auto-reclose	■
Overload (trip/alarm)	■
Under frequency	■
Post-accelerated overcurrent	■
I0 Post-accelerated overcurrent	■
Overvoltage (trip)	■
Undervoltage (trip)	■
Self-produced over zero-voltage (trip)	■
Residual overvoltage (trip)	■
FC block	■
Trip and close circuit supervision (alarm)	■
Non-electricity (trip/alarm)	■
Undervoltage (alarm)	■
Overvoltage (alarm)	■
Residual overvoltage (alarm)	■
PT supervision (alarm)	■
Self-produced over zero-voltage (alarm)	■

Features of AM2SE Medium Voltage Ring Main Unit Protection Relay

Mature and perfect protection function: the protection device can flexibly configure different protection functions for different primary equipment, and can realize the protection and control function of substations with a voltage level below 20kV, which is suitable for the protection and automatic control of equipment such as lines, bus couplers, and distribution transformers;

High-performance hardware and software platform: it has strong data processing, logical operation and information storage capabilities;

Humanization: The man-machine interface is clear and easy to understand, and the menu operation is simple and convenient. Being equipped with computer interface debugging and analysis software makes debugging level maintenance simple and convenient.