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Vacuum pressure impregnated transformer (VPI) is a type of dry type transformer that uses class H polyester resin to impregnate its windings under vacuum and pressure. This eliminates any air gaps or voids in the insulation, enhancing its mechanical strength, dielectric strength, and thermal stability.
A VPI is suitable for outdoor installations, seismic events, and temperature fluctuations because it has a robust construction, a moisture-resistant enclosure, and a low thermal expansion coefficient. It also has easy maintenance, low fire risk, and high resistance to short circuit current.
Applications:
Environmentally sentitive area: dry type transformer use air as the insulation medium, no oil leakage risks,
Fire-risk area: such as indoor substations, underground substations, hospitals, schools, hotels, shopping malls, etc.
Oil&gas industry: dry type transformer non-flammable, no danger of combustion and explosion
Main Features and Benefits:
General Specifications
| Power | 100kVA-10MVA |
| Primary Voltage(kV) | 4.16, 6, 12.47, 13.2, 15, 20, 24.94, OR OTHERS |
| Secondary Voltage(V) | 208, 240, 400, 480, 2400, 4160 OR OTHERS |
| Standards | IEC60076-1-5; IEEE C57.12.01 |
| Cooling Type | AN/AF |
| Accessories | Temperature controller, Cooling fans |
Enclosure Options:
Vacuum pressure impregnated transformer (VPI) is a type of dry type transformer that uses class H polyester resin to impregnate its windings under vacuum and pressure. This eliminates any air gaps or voids in the insulation, enhancing its mechanical strength, dielectric strength, and thermal stability.
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Transformadores de tipo secoson ampliamente utilizados en iluminación local, edificios de gran altura, aeropuertos, muelles, maquinaria CNC y otros lugares. LUGAR DE ORIGENAnhui, ChinaMÉTODO DE ENVÍOExprés, Transporte Terrestre, Transporte Marítimo, Transporte AéreoPUERTOShanghái, Shenzhen, Guangzhou, Yiwu, Qingdao, etc. CALIDAD1-100â¥100Est. Tiempo15Ser negociado
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A dry type transformer is defined as a transformer that uses air—instead of liquid—as the insulating and cooling medium for its windings and core,. Dry type transformers are widely used in various industries and applications because of their safety, reliability, and environmental benefits. They can operate in harsh conditions such as high humidity, fire risk, and seismic events without compromising their performance or posing any hazard to people or property.
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Phone: +86 0551-65879669
Email: wong@anhuigreenenergy.com
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