Transformer Testing
GD-810 Transformer On-Load Tap-Changer Tester
Measures transition time, transition waveform, transition resistance and three-phase synchronism of on-load tap-changers on transformers with or without a neutral point, without lifting the core.
Overview
Measures transition time, transition waveform, transition resistance and three-phase synchronism of on-load tap-changers on transformers with or without a neutral point, without lifting the core.
Application Scenarios
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Get a QuoteDetailed Description
Overview: the GD-810 features a large-screen LCD with human-machine dialogue operation, and prints and stores test results. It is suitable for on-load transformers with or without a neutral-point lead-out, and requires no core lifting.
Measurement capability: it measures the transition time, transition waveform, transition resistance and three-phase synchronism of on-load tap-changers.
Technical parameters: it uses a three-phase test supply with 0.5 A output current, a sampling frequency of 10-20 kHz and a single-waveform storage time of 6.4 seconds. The synchronism error is 0.2 ms and the power supply is AC220V±10%, 50Hz±2%.
Technical Specifications
| Test supply | Three-phase, output current 0.5A |
|---|---|
| Sampling frequency | 10-20kHz |
| Single waveform storage time | 6.4s |
| Transition resistance (Y/O-type transformer) | ≤40Ω |
| Transition resistance (Y-type transformer) | ≤20Ω |
| Synchronism error | 0.2ms |
| Power supply | AC220V±10%, 50Hz±2% |
Frequently Asked Questions
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