Rockwill Electric Group
33kV 50kVA Oil Immersed Distribution Transformer
China 33kV 50kVA Oil Immersed Distribution Transformer manufactured by Rockwill Electric which has good quality and low price. This transformer has a wide application range which includes power plant, substation, industry & commerce building,etc. ...

Detailed description

  • Description
  • Drawing
  • 33kV Transformer Selection

China 33kV 50kVA Oil Immersed Distribution Transformer manufactured by Rockwill Electric Group. This transformer has a wide application range which includes power plant, substation, industry & commerce building,etc. We are committed to manufacture it with high quality and competitive price for winning clients globally. If you have any interests to cooperate with us, please feel free to contact us.

 

Technical Data of 50kVA 33kV Distribution Transformer

ITEM Technical Description Unit Technical Data
1 Description   Mineral oil timmersed  breathing transformer  with conservator
2 Rated Power kVA 50
3 Rated Primary Voltage kV 33
4 Rated Secondary Voltage kV 0.4
5 Highest System Voltage – HV kV 36
6 Highest System Voltage – LV kV 0.44
7 Vector Group   Dyn11
8 Phases   3
9 Type of Cooling   ONAN
10 Type of Bushings   Porcelain
11 Frequency Hz 50/60
12 Winding material HV   Copper
LV   Copper
13 Impedance Voltage   % 3.0 to 4.5
14 Maximum losses at rated voltage and frequency: No Load W 250
Full Load W 1000
15 Temperature rise at rated voltage and power of: Windings 65
Top Oil 60
16 Tapping   5 Tapings in steps of 2.5% (-5%,-2.5%, 0,+2.5%,+5%)
17 Type of sealing   Bolted
18 Lightning Impulse withstand voltage, peak kV 170
19 Power frequency wet withstand voltage kV r.m.s 70
20 Insulation Oil   IEC296
21 Operating Temperature -1 to 40
22 Relative humidity % 85
23 Colour   Avocado Green
24 Altitude above sea level(max) m 1400
26 Pole platform mounting Yes/No Yes
28 Fixing Holes Yes/No Yes
29 Skid Underbase Yes/No Yes
31 Surge Arrester Bracket Yes/No Yes
32 Lifting Lugs Yes/No Yes
33 Routine tests results/certificate to be provided on delivery Yes/No Yes
34 Previous type tests results/certificate to be provided with bid. Yes/No Yes
35 Quality assurance certificate to be provided with the bid. Yes/No Yes
36 PCB content
Attach certification.
  NIL
37 Drawing showing dimensions of the
transformer offered and arrangement of connections to be provided with bid
Yes/No Yes
38 Applicable standards   SABS 780 IEC 60076

33kV 50kVA Oil Immersed Distribution Transformer drawing

33kV distribution Transformer Selection guide

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