The correct testing of protective relays is essential to ensure safety and security. Relay testers are used to determine the performance of single or 3-phase protective relays by measuring their electrical, electromechanical and timing characteristics.

1.1Application

GDJB-PC Three Phase Protective Relay Test Set is applied to test the relay unit in relay protection system.

At the same time GDJB-PC Three Phase Protective Relay Test Set could be considered as a universal three phase AC/DC voltage source or current source.

1.2Functions

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

1.3Technique Index

1) Max AC current output 30A at per phase limited in 10s, 90A at three phases in parallel limited in 10s, Frequency 20~1000Hz, Continuous current output 10A at per phase , Capacity 420VA at per phase

2) Max DC continuous current output ±10A at per phase, maximum voltage 20V, 30A output at three phase in paralle

3) Max AC voltage output 120V at per phase, 240V at phase to phase, Frequency 20~1000Hz, capacity 80VA at per phase, 100VA at phase to phase

4) Max DC voltage output ±160V at per phase, ±320V at phase to phase, capacity 70VA

5) Time counter 0.1ms~9999s, error < 0.1ms

6) AC current and voltage error <0.5%RDG+0.05%FS

7) DC current error<0.5%RDG+0.05%FS, DC voltage error 1%RDG+0.1%FS

8) Binary input: Active node 0~250V, 0~6V for "0", 6~250V for "1", passive node: 20mA max

9 Binary output: DC 220V/0.2A, AC 220V/0.5A

10) Power supply:AC220V ± 10%, 50Hz/60Hz

11) Environment temperature: 0~50°C

12) Humidity: ≤85%RH

13)Weight:<18KG