MTJB-PC Universal Relay System Tester

Application
MTJB-PC is applied to test the relay unit in relay protection system. At the same time MTJB-PC could be considered as a universal three phase AC/DC voltage source or current source

Functions
1) AC current and voltage based protection relay unit test
2) DC current and voltage based protection relay unit test
3) Frequency protection relay unit test
4) Harmonic protection relay unit test
5) Differential protection relay unit test
6) Zero-sequence protection relay unit test
7) Distance protection relay unit test
8) Power system network fault simulation

Technique Index
AC current output
Phase current output (effective value) 0~40A, Output Precision 0.2 degree
3 phase parallel current output (effective value) 0~120A
A Long-time Phase current 10A
Maximum output power of Phase current 450VA
Maximum output power of 3 parallel current 900VA
Maximum Permitted work time of 3 parallel current 10S
Frequency range ( fundamental) 20~1000Hz
Harmonic time 2~20
DC current output
Current output 0~±10A / phase, 0~±30A / 3 parallel Output Precision 0.5 degree
AC voltage output
Phase voltage output (effective value) 0~120V Output Precision 0.2 degree
Line voltage output (effective value) 0~240V
Phase voltage / Line phase output power 80VA / 100VA
Frequency range (fundamental) 20~1000Hz
Harmonic time 1~20
DC voltage output
Phase voltage output range 0~±160V Output Precision 0.5 degree
Line voltage output range 0~±320V
Phase voltage / Line phase output power 70VA / 140VA
10 path digital input and 8 path digital output
Time measuring range 0.1ms ~ 9999s ,accuracy of measurement <0.1ms

MTJB-PC Universal Relay System Tester