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guangdong sihui Instrument transformer works co.,ltd

 
 
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dry type power transformer 

  Category : Machinery on-line->Automaticd Equipment for Transformers and Rectifiers->power transformer

     
dry type power transformer
 
 
       

  Product Specification
 
  Model No:      SC(9~11)-6~35(IV)
  Country  0
  Brand  sihu
  Materials  epoxy resin, copper wire, silicon iron core
  Size  depemds on the specification  millimeters  
  Weight  450kg to 1580kg
  Color  red or as request
  Packing  wooden case with foam inside for protection
  Minimum Order  1
  Payment Term  LC at sight or TT

 

    Product Detail
  Application
1). Our power transformers are especially suitable for installation in draw-out type or fixing type switchgears as well as for power plants, substation, self-consumption transformers, power distribution, transmitter system, earthing system, community power supply system, subway, or those places where small space, fire-control, moisture-proof, are needed. Those up to 10kV can be installed in 650 to 1200 mm wide switchgear, up to 20kV in a 1000mm wide switchgear and 35kV in 1400 ~ 1600 mm wide switchgear.
2).Our series reactors are suitable for a power system of 6 upto 10kV.They are connected serially with high voltage parallel capacitor group to depress a wave deformation in the system.

General Technical Parameters
Rated Primary Voltage: 6kV up to 35kV
Rated Secondary Voltage: 0.4kV
Rated Capacity: 3kVA up to 2500kVA
Rated Short-time P. F. Withstand Voltage (r.m.s.) (kV): 20, 25, 35, 50, 70
Rated Lightning Impulse Withstand Voltage (Peak) (kV): 60, 75, 125, 170
Phase No.: single phase or three phases
The Highest Temperature Rise of Windings: 100K
Insulation Class: F
Cooling Mode: AN or FN
Enclosure Protection: IP00, IP20 or custom specified
Connection Symbol: Yyn0, Dyn11or II0 or custom specified

Main Features
Low loss, low noise, high operation efficiency
High ability of protection against short circuit
High mechanical strength
Pre-galvanized steel frame, flame-resistant, against corrosion
With outstanding fire-proof capability: the epoxy resin is difficult to flame and self-extinguished. So it won't lead to the second disasters, such as an explosion.
Cast epoxy resin with high dielectric strength 18~22kV/mm in vacuum process
Superior in environmental performance: the epoxy resin is very stable, moisture-proof and dust-proof. It enables dry-type power transformers to run with high reliability under abominable environment.
With theimpeccable temperature control and indicating system, dry-type power transformers can be maintenance free. And this offers a great reduction of operation cost.
With small volume, light and convenient for installation and alignment.
No need of a separated room.
Materials
Insulation Material: epoxy resin
Winding Material: Aluminum wire or high quality enameled copper wire (foil winding is available for power transformer)
Core: core lamination, low loss, cold rolled grain oriented silicon steel

   


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