GDJB-PC Three-Phase Secondary Protection Relay Tester

I.Application:

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

II.Functions:

• AC current and voltage based protection relay unit test
• DC current and voltage based protection relay unit test
• Frequency protection relay unit test
• Harmonic protection relay unit test
• Differential protection relay unit test
• Zero-sequence protection relay unit test
• Distance protection relay unit test
• Power system network fault simulation

III.Technique Index:

• 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
• Max DC continuous current output ±10 at per phase, maximum voltage 20V, 30A output at three phase in paralle
• 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
• Max DC voltage output ±160V at per phase, ±320V at phase to phase, capacity 70VA
• Time counter 0.1ms~9999s, error < 0.1ms
• AC current and voltage error <0.5%RDG+0.05%FS
• DC current error<0.5%RDG+0.05%FS, DC voltage error 1%RDG+0.1%FS
• Binary input: Active node 0~250V, 0~6V for “0”, 6~250V for “1”, passive node: 20mA max
• Binary output: DC 220V/0.2A, AC 220V/0.5A
• Power supply:AC220V ± 10%, 50Hz/60Hz
• Environment temperature: 0~50°C
• Humidity: ≤85%RH
• Weight:<18KG