Protection Relay,AM5

● A complete set of protection, related to the application;

● 8 current input, 4 voltage input, 16 DI, 10 DO;

● Auxiliary power supply adapts with AC220V, DC220V, DC110V, AC110V;

● 2 RS485 serial communication, IEC 60870-5-101, IEC60870-5-103 and Modbus-RTU;

● 1 RS232 for user update;

● 1 GPS for GPS timing;

● More than 200 sequence of event records, more than 400 system logs, and more than 10 seconds tripping context records;

● Powerful graphic programmable Logic.

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Product Detail

Technical Parameters

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AM5 Manual

Overview

AM5 series microcomputer protection device is applicable to the user substation which the input voltage is 35kv or above. AM5 protection relay can be used to protect and control the user substation, and is widely used in power industry, water conservancy industry, traffic industry, oil industry, chemical industry, coal industry, metallurgical industry and so on.

Function

Rich protection functions
Feeder protection; Transformer protection; Motor protection; Capacitor protection; Voltage protection; Bus tie protection.

Measurement
RMS current values; RMS voltage values; frequency; Power factor; RMS active power.

Control functions
Remote control; Local control; Programmable switch-gear interlocking

Function

Dimensions (unit:mm)

LCD display

Typical connection

Wiring

Protection Functions	AM5-
Protection Functions	F	T	M	C	B	U1	U2	DB
Directional overcurrent (with voltage dependant, 3 stages)	■
Overcurrent (with compound voltage dependant, 3 stages)		■
Overcurrent (motor start,motor run, 2 stages)			■
Overcurrent (2 stages)				■	■
Overcurrent IDMT	■	■	■	■	■
Earth fault	■	■	■	■
Earth fault IDMT (I01)	■	■
Earth fault IDMT (I02)	■	■
Overload (alarm)	■	■	■
Overload (trip)	■	■	■
Trip and close circuit supervision (alarm)	■	■	■		■
Undervoltage (trip)			■
Undervoltage (alarm)						■	■
Loss of voltage (trip)	■
Loss of voltage (alarm)	■
PT disconnection	■	■	■	■	■	■	■
Three phase auto-reclose	■
Under frequency	■
Over frequency	■
Post-accelerated overcurrent	■				■
Overvoltage (alarm)	■					■	■
Loss of voltage (trip)	■			■
Blocking rotor			■
Capacitor undervoltage				■
Unbalance voltage				■
Unbalance current				■
Residual overvoltage (trip)	■			■
Residual overvoltage (alarm)	■		■			■
Non-electricity		■	■	■
Starting time-out			■
Directional power	■
Thermal overload (trip/alarm)			■
Negative sequence overcurrent (2 stages/IDMT)			■
Overvoltage average			■
Overcurrent average			■
Incorrect phase sequence			■
Bus tie and standby power automatic switch					■
0.4kV standby power automatic switch								■
FC block	■	■	■	■	■
Rear Ports	F	T	M	C	B	U1	U2	DB
RS485 (2 ports)	■

Protocols	AM5-
Protocols	F	T	M	C	B	U1	U2	DB
Modbus serial	■
IEC 60870-5-103	■
IEC 60870-5-101	■
Logs and Records	F	T	M	C	B	U1	U2	DB
Tripping context records	■
Sequence of event records	■
Measurement	F	T	M	C	B	U1	U2	DB
Electric parameter	U, I, P, Q, PF, F, Ep, Eq, Es
Input current	8	8	8	8	8	0	0	8
Input voltage	4	4	4	4	4	4	8	4
Monitoring Functions	F	T	M	C	B	U1	U2	DB
Anti-pumping circuit	Optional
Remote control	■
Others	F	T	M	C	B	U1	U2	DB
GPS	■