S11 Series 33kV Power transformer(2,500kVA-25,000kVA)

1. Oil immersed transformer 2. Power transformer 3. IEC60076 Standard 4. M4 High B Grade CRGO Steels 5. Copper material

1.     Feature & Advantage:

       * Strong insulation system between HV and LV winding.

       * Higher reliability supporting structure, stronger short circuit withstand ability of transformer body.

       * Stronger rust-proof capacity of transformer tank surface.

       * Longer service life.

2.    Benefit:

      * Lower no load loss and on load loss,  energy saved, money saved during it running.

3.   Supply record:

       We are cooperating with plenty of  Electric companies and Electrical installing companies in China, Malaysia, Russia, Angolar, D.R.Congo, South Africa, Zambia, Ghana and Nigeria.  The annual sales of 2011 is around 15 million US Dollar.

4.  Production capacity per year:

     4000 units oil immersed transformer 

     1500 units dry type transformer

     1000 units 3ph pad mounted transformer & Compact substation

5. Specification:

Rated Capacity	20MVA
Standard	IEC 60076
Rated input Voltage	33kV
Rated output voltage	11kV
Tap changer	On load tap changer
Vector Group	Dyn11
Impedance	8.5%-9%
Insulation level in HV side	170/95kV
Insulation level in LV side	95/38 kV
Short circuit withstand fault level at terminals of:
33 kv/11kV bus bar	31.5kA
Frequency	50Hz
Maximum flux density in iron at normal voltage and frequency and at normal ratio:	1.7Tesla
Weight	around 26 Ton
Long * Width * Height	4500*3700*3900 mm

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