I---Introduction
1.GDJB-PC Universal Secondary Injection Relay Test Set is applied to test the relay unit in relay protection system.
2.At the same time GDJB-PC Universal Secondary Injection Relay Test Set could be considered as a universal three phase AC/DC voltage source or current source.
3.It can work alone or connected to computer, inside the relay controller there are new speed digital signal mini PC and real DAC (Digital-to-Analog Converter) template with new high fidelity and high power, the machine has large panel screen and rotating mouse. It is small in volume, high precision.
II---Product Characteristics
1 Intelligent mainframe that is used high speed DSP.
2 Separately running
3 Run with connecting to computer
4 16 bit DAC chip
5 Big screen LED
6 “Idiot” operation
7 New type power amplifier
8 Current, voltage output directly
9 Self-protection
10 Abundant contact
11 Compounded structure
12 Abundant capabilities against low price
II---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
IV---Technique 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±10 at per phase, maximum voltage 20V, 30A output at three phase in panel
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
V---Technical Parameters
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GDJB-III Relaying Protection Tester