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Home > Products > Electronics > Dry Type Voltage Transformer

Detailed Introduction

Dry Type Voltage Transformer

Dry type transformer(SG series) has the characteristic of anti-flaming,anti-explosion, damp-proof, dustproof.The adoption of integral casting coil structure makes it high mechanical strength,small partial discharge capacity,High Reliability. This product also has the advantages of safety,energy saving, environmental protection, and maintenance free. It can be installed in moist and dirty environment. It is suitable for airport, station, wharf, the subway, power plant, substation, hospital, hotel,business center, sports venue, high-rise building, residential area and industrial and mining enterprise etc.


Main technical characters

1.Input voltage:<3000v
2.Output voltage:<3000V (no load) 
3.Efficiency: ≥95% 
4.Waveform distortion: no additional waveform distortion 
5.Function: indication of input voltage, output voltage and current. 
6.Protection: over-current protection 
7.Can operate itself without anybody attending for a long term 
8.Insulation resistance: ≥50MΩ 
9.Electric strength: no breakdown or flashover phenomenon under power frequency sine voltage of 2000V for 1min 
10.Overload capability: for 1min under two times of rated current


 Enviromental conditions

 Altitude above sea level:<3000m< span="">

 max/min ambient temperate:40/-30 degree

 Average max temperature:<25 degree

 site polltion degree:IV grade



Meteral and procedure

Made up of high quality cold rolled silicon steel sheet that is for electric engineering

Made up of a whole copper foil coil

High voltage winding

Made up of sectional type vacuum casting double glass-fiber covered coils 

LV & HV terminal

Variable wiring mode,chich is convenient for installation



Package and shipment

Power transformer packing:Plywood case

1.Each provide complete protection for marine, truck or rail loading and transportation. Appropriate measures shall be taken to 

prevent vibration or movement.

2.Each transformer should be packed within wooden crate provided with wooden base with suitable dimensionsthat secure a 

protection distance between each packed transformer and another one to protect it from shocks .


Why choose us? 

Our company has developed out a series of highlevel transformer products such as dry type transformer ,powertransformer,and so on.all the products have been approved by national authorized organizations and has passed provincial identification,and have certificate,such as ISO,CQC……