Shenda ( In full: Shenda Electric Group Co.,Ltd.) is one of the leading manufacturers in the power transmission & distribution industry. Founded in 2000 and currently employs about 1,100 employees worldwide. Shenda operates four factories (three in China and one in the United States of America - R. E. Uptegraff Manufacturing Company, LLC of Pennsylvania, U.S.A.). Shenda also owns other ten subsidiaries throughout China. The annual gross sales is USD$250 million in 2015.
Shenda's annual total production capacity is about 18,000,000 KVA, Our main products include oil immersed power transformer(up to 250MVA/ 330kV) , dry type transformer(up to 20MVA/35kV), combined transformer substation, amorphous alloy transformer, rectifier transformer (100MVA/220kV )and especially furnace transformer(180MVA/220kV). Our products' performance measures up to the standards established by International Electric Committee (IEC).
shendaelectric.en.made-in-china.com
Traction transformer product series
Product Characteristics
Primary voltage rating: 88 kV
Secondary voltage rating: 25 kV
Rated power: 20 MVA
Impedance (percentage)%: 11
Off circuit tap switch
No of positions: 7 %steps: 2.5(-15%)
TANK AND TANK COVER
1.0 Free-breathing:
2.0 Tank cover bolted to tank
3.0 Radiators galvanized.
4.0 Method of cooling: ONAN
5.0 Overall dimensions: Length: As per drawing mm. Breadth: As per drawing mm. Height: As per drawing mm
6.0 Winding material: HV Copper LV Copper
13.0 Mass of core and winding: 18100 kg
14.0 Oil capacity: 9650 (Litres)
15.0 Mass of transformer complete with oil: 37500 kg
16.0 HV end turns insulation reinforced
17.0 Type of breather and dehydrating agent: Silica gel
18.0 The following information refers to the transformer when connected on the principal tapping and appropriate reference temperature for the class of insulation used.
20.1 Iron loss (watts): 12500
20.2 Copper loss at full load(watts): 83000 at 75 ºC
20.3 Total load losses (watts): 95500 at 75 ºC
20.4 Impedance at full load (%): 10.992 Z 0.415 X
20.5 Regulation at full load at 1.0PF 1.02 Percent,0.8PF 7.29 Percent at 75 ºC
20.6 Efficiency at full load at 1.0PF 99.52 Percent,0.8PF 99.41 percent at 75 ºC
20.7 Temperature rise at rated voltage and power of:
Windings: 60 ºC
Top oil: 50 ºC
Executive Standard
| IEC 60076-1-2011 |
Power Transformers-Part 1: General |
| IEC 60076-2-2011 |
Power Transformers-Part 2: Temperature rise for liquid immersed transformers |
| IEC 60076-3-2013 |
Power Transformers-Part 3: Insulation levels, dielectric tests and external clearances in air |
| IEC 60076-4-2002 |
Power Transformers-Part 4: Guide to the lightning impulse and switching impulse testing-Power trans formers and reactors |
| IEC 60076-10-2001 |
Power Transformers-Part 10: Determination of sound levels |
| IEC 60296-2012 |
Fluids for electrotechnical applications - Unused Mineral insulating oils for transformers and switchgear |
| IEC 60422-2013 paragraph 8 |
Mineral insulating oils in electrical equipment - Supervision and maintenance guidance |
| IEC 60076-18-2012 |
Measurement of frequency response |
Project Inspection in Shenda factory:
Shenda quality management:
- 100MVA/220KV power transformer --- short circuit test report from CESI Italy
- 120MVA/33KV EAF transformer; 50MVA/69KV Oil power transformer; 10MVA/33KV Dry type transformer ---Type test report from KEMA Netherlands
- 63MVA/110KV Power transformer ---short circuit Test report - Issued by CTQC China
- 12.5MVA/22KV Rectifier transformer--- routine test - Issued by V-check Korea
- ISO9001&ISO14001&OHSAS18001
- Power transformer & Furnace transformer & dry type transformer & Reactor ---CE
Factory documentation Model
| 1 |
Technical parameters |
| 2 |
Outline drawing |
| 3 |
Lifting diagram |
| 4 |
Nameplate drawing |
| 5 |
Control box drawing |
| 6 |
Transportation diagram |
| 7 |
Transformer install manual |
| 8 |
Transformer operation / Maintenance instruction |
| 9 |
Principles parts / components ex-work certification and operation instruction |
| 10 |
Recommended spare part for 2-5 years operation |
| 11 |
Test reports (routine test / type test / special test) |
| 12 |
Etc… |
During the design process, client will be permitted to come to factory to take a supervision and guidance, manufacture and acceptance test.
We provide engineering services like pre-commissioning / commissioning / install and operation consult support / technicians training on site.
We provide after-sales service.
We provide 12 months warranty of quality and performance
Audited Supplier 
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