Dg Series Single Phase Dry Type TransformerDG and SG series single-phase and three-phase dry type transformer adopts highquality material and advanced technology,it has advantages of damp-proof andconvenient maintenance,it can be applied to such power transmission anddistributionplaces like underground railway,high building,airport,station,wharf,enterprise,tunnel,etc.It is mainly used in power supply occasions of AC 50-60HZ and voltage lessthan 500V.All the input and output voltage,connection group and capacity of tappedwinding can be designed and produced according to users'requirements.Main technical data:1.Input voltage:Rated voltage +-10%2.Output voltage:Rated voltage+-3%(No load)3.Efficiency:above 95%4.Waveform distortion:No additional waveform distortion