Three Phase 4000kVA Cast Resin Dry Type Power Transformer
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Henan GNEE Electric Co., Ltd. is one of the most reliable manufacturers and suppliers of three phase 4000kva cast resin dry type power transformer in China. If you're going to buy customized three phase 4000kva cast resin dry type power transformer made in China, welcome to get quotation from our factory. Quality products and reasonable price are available.
The environmental requirements for three-phase 4000kVA resin-cast dry-type power transformers mainly include the following aspects:
Temperature and humidity: Dry-type transformers are suitable for working in an environment of -10 to 45℃, the relative humidity of the air should be controlled below 95%, and the monthly average relative humidity should be controlled within 90%
Altitude: Dry-type power transformers should operate in an environment below 1,600 meters above sea level (under rated capacity conditions)
Environmental cleanliness: Power transformers should be installed in clean rooms without other non-building structures and no leakage on the roof
Ventilation and fire-fighting facilities: The infrastructure must meet the requirements of load, earthquake resistance, bottom ventilation, etc. Indoor ventilation and fire-fighting facilities must comply with relevant regulations, ventilation ducts must be well sealed, and ventilation The holes are not connected to other ventilation systems.
| Capacity: | 4000kVA |
| Rated voltage: | 10/0.4kV |
| Tap range: | ±2X2.5% or ±5% |
| High voltage incoming line side: | 35KV or 10KV |
| Low voltage outgoing line side: | 6KV |
| No-load loss: | in line with national standard GB10228-2015 |
| Impedance voltage: | 4%~7% |
| Insulation heat resistance grade: | F or H |
| Connection group: | Dyn11 or Yyn0 |
| Cooling method: | AN or AF |
| Core type: | core type |
| Ambient temperature range: | -45℃~+45℃ |
| Protection grade: | IP00 or IP21 |
| Altitude: | ≤3000 meters |
Waterproof and moisture-proof: Three-phase dry-type transformers should be protected from rain, moisture, high temperature, high heat or direct sunlight, and their heat dissipation vents should be kept at least 40cm away from surrounding objects.
Corrosive substances: Three-phase resin dry-type transformers should be kept away from corrosive liquids, gases, dust, conductive fibers or metal shavings to prevent damage.
Vibration and electromagnetic interference: Three-phase dry-type power transformers should be kept away from places with severe vibration or electromagnetic interference to ensure their stability.
Storage and transportation: Resin cast dry-type transformers should avoid inversion and strong impact during long-term storage and transportation to protect their structural integrity.
These environmental requirements ensure the normal operation and long-term stability of the transformer.
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