Three-phase Microcomputer Relaying Protection Tester

Applicationt: 

GDJB is applied to test the relay unit in relay protection system.

Production Description:

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