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Main Technical Data
 
 

 

Product Description:
It is safe, non-pollute, and flame proof which can be installed directly on the load centre with the merits of free maintenance, easy installation, low combined operation cost, low loss and excellent humidity resistance.
Technical Specifications
1. Voltage class: 6~35kV
2. Model of voltage regulation: Off-excitation or on-load tap changer
3. Tapping range: 5%, 2x2.5%,
4. Power Capacity: 30-4000kVA
5. Frequency: 50Hz or 60HZ
6. Phase No.: Single phase or three phases
7. Vector Group: Yyn0 or Dyn11 or according to customers' requirements
8. Impedance voltage: 4~9% or according to customers' requirements
9. Service condition: 100% relative humidity, ambient temperature not more than 40ºC or according to customers' requirements
10. Type of cooling: AN or AF
11. Guard class: IP00, IP20, IP23
12. Thermo-tolerance class of insulation: F
13. Insulation level: A. For 10kV class: LI75AC35; B. For 35kV class: LI170AC70

Service conditions
The height above the sea level is below 1000m
Ambient temperature:
Highest air temperature +40 degree
Highest daily average air temperature +30 degree
Highest annual average air temperature+20 degree
Lowest outdoor air temperature-25 degree
Scope of application
High-rise buildings, airports, terminals, power plants, transformer stations, residential areas or packages of various sites.

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