Dry type transformers

Home - PRODUCT

VPI Dry type transformer

Safe and reliable,high insulation level, strong overload capacity, highly insulating C-class
  • 2000kva dry type transformer
  • transformer with enclosure.jpg
  1. 2000kva dry type transformer
  2. transformer with enclosure.jpg

C-class Dupont Nomex paper ,high aging-resistance and long service lifetime

High quality silicon steel sheet

Safe and reliable,strong overload capability

Highly insulating

Excellent anti-short circuit capability and great anti-lightning impulse capability

The advanced VPI (Vacuum Pressure Impregnation) technology is adopted to enable the products with excellent electric and mechanical performance

Related product parameters

Main specification

Transformer Type

Epoxy cast resin, VPI

Standard

IEC, ANSI, NFC52 etc

Rated Power

30kva-25MVA

Rated voltage

Up to 36KV  

Phase

 Single or Three phase

Tapping

Off-load and  On-load

Impendance

accoding to customer requirements

Frequency

50Hz or 60Hz   

Vector group

Dyn11 Dyn5

Insulation class

F, H

Cooling

 AN AF

Protection class

 IP00 to IP54

Environmental class

E2

 Climate class

C2

 Fireproof class

F1


Factory Test

 Routine test

 a) Measurement of winding resistance

 b) Measurement of voltage ratio and check of phase displacement

 c) Measurement of short-circuit impedance and load loss

 d) Measurement of no-load loss and current

 e) Separate-source AC withstand voltage test

 f) Induced AC withstand voltage test 

 g) Partial discharge measurement


 Type test

 a) Lightning impulse test

 b) Temperature-rise test


 Special test

 a) Partial discharge measurement

 b) Measurement of sound level

 c) Short-circuit test

Applications

Dry type transformer is suitable for power transmission and distribution system, hotel, restaurant, hospitals, shopping malls, bank buildings ,stadiums, airports, stations especially heavy load centers and places with special fire protection requirements.
airports.jpg
app1.jpg
power plant.jpg
staiums.jpg

Related Content


Special cast resin transformer

Special cast resin transformer

Cast resin transformer

Cast resin transformer

Dry type isolating transformer

Dry type isolating transformer

Grounding transformers

Grounding transformers



Contact us

Varelen Electric Co., Ltd

Information submitted... Later, please
