China exports imported three-phase dry-type transformer 480V460V to 380V220V

详细介绍：

Shanghai Yingshidan Electric Appliance Group Co., Ltd. in China produces three-phase transformers from 480V to 380V factory
summary
Three phase transformer from 480V to 380V is a common power equipment, mainly used to convert 480V input voltage into 380V output voltage. This type of transformer is widely used in export equipment, mechanical equipment, and various occasions that require specific voltages. This article will provide a detailed introduction to the characteristics and applications of this transformer.
Main characteristics
1. Design parameters
Capacity range: 3KVA to 2000KVA2
Input voltage: three-phase 480V
Output voltage: three-phase 380V220V
Frequency: 50Hz or 60Hz
Insulation level: Class B (130 ℃), Class F (155 ℃), Class H (180 ℃) 1
Cooling method: self cooling or air cooling
Wiring method: Y-type or Δ type
2. Performance characteristics
Efficient and energy-saving: using high-quality silicon steel sheets to reduce iron and copper losses and improve efficiency by 3
Electrical isolation: The primary and secondary windings are completely electrically isolated, with strong anti-interference ability
High temperature resistance: Made of high temperature resistant materials, it can operate stably in high temperature environments
Low noise: design optimization, low operating noise
Overload capacity: It has strong overload capacity and can operate for a long time under overload
Protection level: Different protection levels can be selected according to needs, such as IP20
3. Application scenarios
Mechanical equipment: suitable for various types of mechanical equipment, especially export equipment
Industrial production: In industrial production, it is used for voltage conversion to ensure the normal operation of equipment
Imported equipment: used for voltage matching of imported equipment to ensure its normal operation in different countries' power grids
Special voltage requirements: applicable to equipment and places that require specific voltage
technical parameter
1. Basic parameters
Rated capacity: 1KVA to 2000KVA
Input voltage: three-phase 480V
Output voltage: three-phase 380V220V
Frequency: 50Hz or 60Hz
No load current: 2-10%
Impedance voltage: 2-6%
Insulation resistance: 100M Ω
Pressure resistance strength: 3500V/10mA/1 minute
2. Environmental conditions
Environmental temperature: -25 ℃ to+50 ℃
Relative humidity: ≤ 95%
Altitude: ≤ 4000 meters