30kva three phase dry type auto transformers 380v to 220v

1.General(  (DG and SG series single-phase and three-phase dry type transformer) 

  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 convenient maintenance, it can be applied to such power transmission and distribution places 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 less than 1000V. All the input and output voltage , connection group and capacity of tapped winding can be designed and produced according to users’ requirements. 

2. Technical parameter

Type: Autotransformer and isolation transformer, both copper and aluminum winding are available
Connection: Delta, Y, Star, etc
Power: 300VA - 600KVA ( or lager range )
Input voltage: Rated voltage
Output voltage: Rated voltage + 5% ( no-load )
Regular single phase convert: 100 / 110 / 120 / 160 / 200 / 210 / 220 / 230 / 240v
Regular three phase convert: 110 / 200 / 220 / 230 / 240 / 360 / 380 / 390 / 400 / 415 / 600 / 690 / 1140v
Voltage convert: Single phase to single phase, three phase to three phase, three phase to single phase

3. Service Conditions

1. Service Site: Indoor/Outdoor

2. Ambient Temp.:-25~+40 degree (or according to customer’s requirement)

3. Altitude: <=1000m (if it exceeding to 1000m, pls declare in order)

4. Max. Wind Speed: 35m/s

5. Relative Humidity :< =90%

6. Earthquake Resistant Capability: horizontal direction 0.3g vertical direction 0.15g (or by customer’s requirements

 Photos of  three phase dry type auto transformer

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1. Pre-Sale Service

- Professional question: offer professional answers about products  

- Quoataion: quoate you competive price

- Quick response: reply you within 24 hours

2. In Sale Service 

- Tracking the production of the products and giving you feedback 

- Making good arrangement of the delivery and shipment

3. After Sale Service

- Providing 24 months warranty of quality and perforance 

----23 years' manufacturing experience 

----One machining workshop, two wire winding workshops, complete special-use and universal-use      equipment,a complete set of inspection equipment, and large-scale winding equipment

----CE & ISO certificate

----OEM / ODM

----Competitive price with 100% Cu winding

----Production capacity:  more than 500,000 kVA per year

----Our customers: Siemens, Emerson,ABB ,GE, Fuji, Allen-Bradley, Eurotherm, LG,etc.