Zhengzhou Great Electric Co.,Ltd.
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4 Phase voltage & 3 Phase current output Protection Relay Test Equipment With Fault Playback
Main Test of 4 Phase voltage & 3 Phase current output,
1.AC TEST
2.DC TEST
3.Harmonic Superposition Test
4.High-Low Frequency Test
5.Power Direction & Impedance Test
6.Synchronization Test
7.Full Group Test
8.Distance & Zero Sequence Protection
9.Characteristic of Impedance
10.Differential Protection
11.Differential Harmonic
12.Comprehensive Test of Line Protection of 6-35 KV Microcomputer
13.Fault Review
Technical Index of 4 Phase voltage & 3 Phase current output,
| AC current source | |
| Output accuracy | 0.5% |
| Output range | 3*(0-40A); 0-120A (three phases in parallel) |
| Phase current which can get long-time working 10A | |
| Maximum output power of phase current: 420VA | |
| Maximum output power of three phase current in parallel: 900VA | |
| Permissible working time (when three phase current in parallel to get maximum output): 10s | |
| Frequency (basic wave) range | 20-1000Hz |
| Harmonics times | 1-20 times |
| DC current source | |
| Output accuracy | 0.5% |
| Current output | 0-+/-10A per phase; 0-+/-30A (three phase in parallel) |
| Maximum load voltage output | 20V |
| Output accuracy | 0.5% |
| Phase voltage output | 4*(0-120V) |
| Line voltage output | 0-240V |
| Phase voltage/line voltage output power | 80VA/100VA |
| Frequency (basic wave) range | 20-1000H |
| Harmonics | 1-20 times |
| DC voltage source | |
| Output accuracy | 0.5% |
| Phase voltage output amplitude | 0-+/-160V |
| Line voltage output amplitude | 0-+/-320V |
| Phase voltage/line voltage output power | 70VA/140VA |
| Dimension | 400*300*180mm |
| Weight | approx 20KG |
| Power supply | AC 220V±10%,50／60Hz |
| Ambient temperature | -10℃ ～ +50℃ |
Switch signal and time measurement
| Switch signal input | 7circuits | Idle contact: 1～20mA,24V Potential contact access: “0”:0～ +6V； “1”:+11 V～ +250V |
| Switch signal output | 2 pairs | DC:220V／0.2A；AC:220V／0.5A |
| Time measure | Test range: 0.1ms ～ 9999s , accuracy 0.1mS Measurement range: 0.1ms ～ 9999s Measurement accuracy:0.1mS | |
