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.
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 | |||
