Descrição
General Information
Transformer on-load switch tester is a test equipment for testing the on-load tap changer of action sequence and switching time. Transformer On-load Tap Changer Tester is mainly applied to measure the transient waveform, transient time, transient resistance value, three-phase synchronization of transformer on-load tap-changers.
Destaque
- Test transformers of type Y0, Y, and △, and display resistance values directly.
- Automatically analyze waveform faults and mark the faults.
- Automatically adjust resistance values and time ranges based on sampling data.
- Display synchronization status of three phases for transformer type △.
- Test with or without winding.
- Support four-terminal connection mode for high-accuracy resistance measurement.
- Enable continuous testing to save power-off time.
- Generate word reports.
- Equipped with an 800×480 colorized LCD with touch screen and a high-speed printer.
- Store up to 1000 groups of data and allow saving to USB flash disk.
Technical Specification
- Three phase constant current source charge,charge current: 3A/1A; 0.6A/0.2A
- Maximum voltage of the port: 24V
- Maximum range of transition resistance: 100Ω
- Measuring range: 1A：4Ω～20Ω 0.2A：10Ω～100Ω
- Record time of waveform:300ms
- Sample rate: 30k
- Resolution of time:0.1ms
- Resolution of resistance: 0.1Ω
- Accuracy of transition resistance: ±5% Reading±0.1Ω
- Accuracy of transient time: ±0.5% Reading±0.2mS
- Temperature: -10-40℃ Humidity: <85%RH
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