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Ningbo Ville Electric Co., Ltd.

Powertransformer High Quality, Transformer on Sales, Three-Phase Power Transformers manufacturer / supplier in China, offering 50mva S10 Series 220kv Double-Winding off-Circuit-Tap-Changer Power Transformer, 15 Strand Billet Continuous Casting Machine CCM, Lvb (T) Series Oil Immersed Inverted Current Transformers and so on.

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Supplier Homepage Product Power Transformer Auto power transformer 50mva S10 Series 220kv Double-Winding off-Circuit-Tap-Changer Power Transformer

50mva S10 Series 220kv Double-Winding off-Circuit-Tap-Changer Power Transformer

FOB Price: US $2,000-210,000 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $2,000-210,000/ Piece
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Port: Shanghai, China
Production Capacity: 500set/Month
Payment Terms: L/C, T/T, D/P, Western Union

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Basic Info
  • Model NO.: S10-50000/220KV
  • Phase: Three
  • Cooling Method: Oil-immersed Type Transformer
  • Certification: ISO9001-2000, UL, ISO9001, CCC
  • Frequency Characteristics: High Frequency
  • Brand: Ville
  • Voltage Range Hv: 220+-2X2.5% 242+-2X2.5%
  • Rated Power Definitionwer: 50000kVA
  • Vector Group: Ynd11
  • Transport Package: Wooden Cases and Main Body Nude Packing
  • Origin: China
  • Application: Power, Electronic, Industrial Company
  • Core: Core-type Transformer
  • Winding Type: Two-winding Transformer
  • Usage: Combined Transformer, Power Transformer, Three Phase
  • Shape of Core: Ring
  • Test Certification: CQC Transformer Test
  • LV: 6.3/6.6/10.5/11/13.8/15.75/18
  • Tap Changer: Mr or Hm China
  • Trademark: vilLE
  • Specification: IEC Standard
  • HS Code: 8504231200
Product Description
50000kVA 220KV S10 series Double-winding off-circuit-tap-changer Power Transformer 
Rated Voltage and tapping range  HV:220+-2X2.5%   242+-2X2.5%
LV: 10.5 
Connection group symbol: YND11
Winding combination:H-L
No-load loss(kW):36
On-load loss(kW ):179
No-load current(%): 0.3

Short-circuit Impedance(%): 12-14

1,Iron core
1.The iron core adopts cold-rolled crystal-oriented silicon steel plate 30Z140 with high quality, low-loss, and no time effect, sheared by Geroge line and with no burr.1.2 Iron core adopts pulling board structure, the upper and down yoke is clamped by board, to form the frame structure.The iron core adopts advanced lamination process, which effectively controls the no-load loss and electro-magnetic noise.
2 Winding
2.1 Winding adopts mature structure, which ensure the reliability of transformer operation.
2.2 The insulation power field intensity between turns shall be controlled no greater than 1.6kV/mm.
3,Body
3.1 Body adopts mature insulation structure, and strictly guarantee the main axial insulation margin.
3.2 Body mostly adopt multi-coil whole assembly, processed in constant voltage and evaporation, which made coil shrink evenly and with less rebounce, and enhance the electric strength and mechanical strength.
3.3 Adopt laminating wood board or thermal shaped insulation cardboard.Pressed tightly with pin, which ensure the winding is constantly pressed tightly.
4,leading wire
4.1 The layout of all leading wire is reasonable, which guarantees the enough electric distance and mechanical strenth.
4.2 All leading wire is cirlulized ,which guarantee the reliable wild or prize connection.
 
5.2 Pipeline with gas relay such as the oil tube and bushing hoist support on top of oil tank is with hoist gradient, to facilitate the gas in transformer flow to gas relay.
5.3 Vacuum oiling is adopted, there is no leakage and permanent distortion in the following test.Vacuum-pumping :759mmHg load voltage test:Bear 2 times the oil pressure of oil conservator oil surface for 24 hours.
5.4 The structure of transformer is convenient for disassembly and change of bushing and porcelain element.
5.5 The oil drip valve is set on the bottom of oil tank, sampling valve is set in the middle.
5.6 collective gas connecting tube is fixed on the bushing hoist support.
5.7 Transformer is of full-sealed structure, the upper and down oil tanks are required to welded fully.
6,Oil conservation tank
6.1 Adopt capsule type, finger type oil level indicator oil conservation tank.
6.2 The structure is convenient for internal cleaning, the capacity can ensure no oil overflow in 40 ambient temperature with full load, and oil shall be seen from oil level indicator before put into operation in 25
6.3 Oil conservation tank is equipped with oil-sealed moisture absorber.
7,Safety protection device:
7.1 Gas relay is fixed in transformer, the standard complies with ZBK41004-89Gas relay.
7.2 There is enough and reliable pressure release device, and matched with oil spray pipe, the direction of oil spraying is downward.
8 Oil temperature measuring device:
8.1 There is pipe support of mercury thermometer, which is set on the top of oil tank.



50mva S10 Series 220kv Double-Winding off-Circuit-Tap-Changer Power Transformer


50mva S10 Series 220kv Double-Winding off-Circuit-Tap-Changer Power Transformer
50mva S10 Series 220kv Double-Winding off-Circuit-Tap-Changer Power Transformer

Packing and Shipping
50mva S10 Series 220kv Double-Winding off-Circuit-Tap-Changer Power Transformer
50mva S10 Series 220kv Double-Winding off-Circuit-Tap-Changer Power Transformer

Our advantages:
Quality Assurance
--From the very beginning, VILLE ensures quality in every step to achieve the best quality.
Experience Sharing
--With more than 30 years' experience in power industry, VILLE brings you an optimized solution.
Global Service
--Wherever you are, VILLE global network will support and provide you with value.
Quick Response
--In response to your needs without delay, VILLE  knows the value of your time.
Packaging Details:The accessories packed in plywood cases,the main body in nude.
Our Best Service For You
1.Pre sale service
A.Make technical solution
B.Send quotation, technical data sheet and drawing
C.Prepare power transmission plan, testing plan,and shipment plan
2.In sale service
A.Supervise the manufacturing schedule totally in accordance with the plan
B.Send photos to customer during every manufacturing process(hold point)
C.Inform the customer one week before testinng.
3.After sale service
A.Installation and commissioning, training the workers
B.Quick response within 12 hours any time
C.Provide 12 months gurantee period normally.
FAQ For You
1.Q:What is your delivery time ?
A:Depend on the type of transformer.
2.Q:What is your payment term?
A:30% advance by T/T , 70% before delivery by T/T or L/C or we can discuss about it.
3.Q:What kind of starndard you follow?
A:IEC, ANSI, CSA, GB, etc
4.Q:What kind of supporting documentation you can provide normally
A:Quotation,outline drawing,manufacturing plan, quality control plan
Testing plan, financial report, type test report(KEMA, CESI),reference list,etc
5.Q:What is your normal wanrranty period?
A:12 months after transformer operation.
6.Q:Can u do installation and commissioningin user's site?
A:Yes, we can send our installation team to user's country for service.
7.Q:Do you have any experience in this kind of transformer?
A:Yes, we can provide reference list for check.
8.Q:Are you manufacturer or trading company?
A:Manufacturer and Trading company.
50mva S10 Series 220kv Double-Winding off-Circuit-Tap-Changer Power Transformer
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