LY3110H Stationary Single Phase Meter Test Bench
Introduction
Used for testing single-phase energy meters in Measurement Test Centers, Utilies,National Insitute of Metrology, Meter manufactures and for R&D.
The number of test positions is flexible. The photo shows a configuration with 24 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
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| Item | Values |
|---|---|
| Reference Standard | Class 0.05,optional Class 0.1 |
| Voltage range | 220V |
| Current range | 0.1A,0.5A,1A,5A,10A,20 A,50A,100 A |
| Voltage output capacity | 500 VA |
| Current output capacity | 2000 VA |
| Voltage-and current adjustmen | 0%-120%×Range,minimum voltage 30V |
| Phase shift | ±180° |
| Test frequency | 40 Hz-70 Hz |
| Power stability | ≤0.01%/100 s |
| Distortion | ≤0.5% |
| Harmonics | Up to 21 |
| Harmonics amplitude | ≤40% |
| Hammonics phase shift | 0°-360° |
| Pulse output | Max.50 kHz |
| Pulse input | Max.10 kHz |
| Positions | Class 0.05: Max.48,each position with galvanic separated voltage |
| 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% |
