LY3310-4 0.02% Three Phase Meter Test Bench
Introduction
LY3310-4 0.02% high accuracy three phase meter test bench with Isolated CT for measurement test centers, utilities, national Institute of metrology, meter manufacturers, and for R&D.
The number of test positions is flexible. The photo shows a configuration with 4 positions.
- No load test
- Starting test
- Error test
- Accuracy test
- Register test
- Variation tests for voltage,frequency and harmonics
- Individual adjustment for voltages,currents and phase-angles
- Remote control with Longyuan PC software
- Meter positions and connections can be customized
- Harmonics generation and measurement up to 21st order
- Flexible definition of test plans
| Item | Values |
|---|---|
| Reference Standard | Class 0.02 |
| Voltage range | 57.7V,100 V,220 V,380V |
| Current range | 0.01A,0.025A,0.05A,0.1A,0.25A,1A,2.5A, 5A,10A,25A,50A,100A |
| Voltage output capacity | 3×500 VA per phase |
| Current output capacity | 3×2000 VA per phase |
| Voltage-and current adjustmen | 0%-120%×Range,minimum voltage 30V |
| Phase shift | ±180° |
| Test frequency | 40 Hz-70 Hz |
| Power stability | ≤0.02%/120 s |
| Distortion | ≤0.5% |
| Harmonics | Up to 51 |
| Harmonics amplitude | ≤40% |
| Hammonics phase shift | 0°-360° |
| Pulse output | Max.50 kHz |
| Pulse input | Max.10 kHz |
| Positions | Class 0.02,quick connectors and ICTs, close link |
| Structure | Reference standard and source integrated in rack |
| Operating power source | 3×220 V/380V±15%,45 Hz-65 Hz(other voltages or frequencies on request) |
| Operating temperature | 23℃±10℃ |
| Humidity | ≤85% |
