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DG Dry type transformer
DG Dry type transformer
Supplier Info
[China Supplier]
Contact Person : Mr. Gao Songgui
Tel : 86-577-61725688
Fax : 86-577-62775599
Product Detail
1.OEM factory 2.adopts high quality material and advanced technology 3.

DG and SG series single-phase and three-phase dry type transformer adopts high quality material and advanced technology, it has advantages of damp-proof and conveninent maintance,it can be applied to such power transmission and distribution places like underground railway, high building, airport, station, wharf,enterprise,tunel,etc.

It is mainly used in power supply occasions of AC50-60Hz and voltage, connection group and capacity of trapped winding can be designed and produced according to users' requirements.

Main Technical Data

Input VoltageRated voltage±10%
Output voltageRated voltage 2-5%
Efficency>95%(power grade 50KVA above )
Frequency 50-60Hz
Waveform distoration Non additional waveform distortion
FuncationCurrent, input voltage and output voltage indicators and input switch are available at request.
Long-term unattended operation is allowable.
Insulation resistance Normally more than 10MΩ
Electricity-resistance stengthsingle:Power frequency sinusoidal voltage 1500v for 1min. without breakdown or flashover 
Three:Power frequency sinusoidal voltage 2000v for 1min. without breakdown or flashover

DG Dry type transformer

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