Protection Relay Three Phase Secondary Current Injection Test Set
I.Introduction:
This secondary injection test kit 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.
This relay protection tester is applied to test protection replay based on voltage and current operation.
The main function of 3 phase relay test set includes: calibration of voltage and current operation relays, secondary circuit inspection,trip value of circuit breaker test, switch on and off time measurement of circuit breaker and so on.
This secondary injection kit is a low cost, simple operation and reliable performance device for secondary circuit test.
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
III.Specifications:
| No. | Items | Specifications |
| Alternating Current(AC) output |
| 1 | Output accuracy | 0.5 magnitude |
| 2 | Phase current output (effective value) | 0~40A |
| 3 | Three parallel phase current output (effective value) | 0~120A |
| 4 | Phase current value with long time under permission (effective value) | 10A |
| 5 | Phase current maximum power output | 420VA |
| 6 | Three parallel phase current maximum power output | 900VA |
| 7 | Three parallel phase current maximum work time | 10s |
| 8 | Frequency range (base wave) | 20~1000Hz |
| 9 | Harmonic frequency number | 1~20 time |
| Direct Current(DC) output |
| 1 | Output accuracy | 0.5magnitude |
| 2 | Current output | 0 ~ ± 10 A/each phase 0 ~ ± 30 A/every three parallel |
| 3 | Maximum output of load voltage | 20v |
| Alternating Voltage output |
| 1 | Output accuracy | 0.5magnitude |
| 2 | Phase voltage output (RMS) | 0 ~ 120v |
| 3 | Line voltage output (RMS) | 0 ~ 240v |
| 4 | Phase voltage/line voltage power output | 80VA/100VA |
| 5 | Frequency range (base wave) | 20 ~ 1000Hz |
| 6 | Harmonic frequency number | 1 ~ 20 times |
| Direct voltage output |
| 1 | Output accuracy | 0.5magnitude |
| 2 | Phase voltage output amplitude | 0 ~ +160v |
| 3 | Line voltage output amplitude | 0 ~ + 320v |
| 4 | Phase voltage/line voltage power output | 70VA/140VA |
| The switch quantity and time measurement |
| 1 | Switch parameters input | 7 ways; Empty contact: 1~20mA, 24v Power contact access: “0”:0～ +6V; “1”:+11 V～ +250V |
| 2 | Switch parameters output | 2 couples DC:220V/0.2A; AC:220V/0.5A |
| 3 | Time measurement | Measuring range: 0.1ms ～ 9999s / 0.1ms
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Spare of Three Phase Secondary Injection Test Kit
