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Compared with the traditional oil-immersed light test transformer, the YDQW series gas-filled non-partial discharge test transformer has a weight reduction of 40-65% (depending on the voltage and capacity level), and there is no oil pollution. The voltage level of a single test transformer can reach 300KV. Due to the new production process, the technical performance of the product has been greatly improved, and it is especially suitable for field work and frequent moving working conditions.
1. The instrument is small in size and light in weight (40% -65% lighter than the oil-immersed test transformer of the same level);
2. It is clean and free of oil pollution, no maintenance is required;
3. It is not affected by the harsh climate environment, and the test can be done on the spot without static;
4. The insulation strength is obviously higher than the oil-immersed test transformer, and the corona is extremely small.
Technical Indicators
1. TTR measurement range: 0.8~10000.
2. High measurement speed: three-phase test can be completed within 40 seconds.
3. Measurement accuracy:
Voltage measurement accuracy on HV side: 0.05%
Voltage measurement accuracy on LV side: 0.1%
Phase angle measurement accuracy: 0.1°
4. TTR measurement accuracy: 0.1%(0.8-3000)
0.2%(3000-10000)
5. Volume: 320mm*240mm*130mm.
6. Weight: 3Kg.
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