Gold Member Since 2007
Audited Supplier
Ningbo Ville Electric Co., Ltd.

Power Transformer 120mva, on Load Tap Changer Transformer, Auto Transformer manufacturer / supplier in China, offering Power Transformer for Power Plant, 12.5mva Sz11 Series 35kv Power Transformer with on Load Tap Changer, Lw58-252/T4000-50 High Voltage Sf6 Circuit Breaker and so on.

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Power Transformer for Power Plant

FOB Price: US $20,000-8,000,000 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $20,000-8,000,000/ Piece
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Production Capacity: 1/4monthes
Transport Package: Wooden Case or as Per Requirement
Payment Terms: L/C, T/T, D/P

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Basic Info
  • Model NO.: SFZ 120000/230/35KV
  • Phase: Three
  • Cooling Method: Oil-immersed Type Transformer
  • Certification: ISO9001-2000, UL, ISO9001, Kemal
  • Frequency Characteristics: High Frequency
  • Brand: Ville
  • Trademark: ville
  • Origin: Ningbo China
  • Application: Power, Electronic, Rectifier
  • Core: Core-type Transformer
  • Winding Type: Multi-winding Transformer
  • Usage: Power Transformer
  • Shape of Core: Ring
  • Test: Type Test
  • Specification: CE, IEC ISO
  • HS Code: 8504231100
Product Description
Double Winding Non-excitation Voltage Regulation Transformer: Maximum 420000kVA
Three Winding Non-excitation Voltage Regulation Transformer: Maximum 240000kVA
Double Winding On-load Voltage Regulation Transformer: Maximum 240000kVA
Three Winding On-load Voltage Regulation Transformer: Maximum 240000kVA
Autotransformer: Maximum 360000kVA

Equipment standards
Name: Three-phase dual winding with stabilization winding on-load voltage regulation oil immersion air-cold power transformer
Type: SFZ-120000/230
Rated voltage: 230/34 /25kv
Rated capacity: 100000/120000kVA
Rated voltage ratio: 230± 8× 1.25%/34kV
Rated current: 301/2038A
Phase number: Three
Rated frequency: 50 Hz ± 3%
Connection set: Ynyn0(d11)
Voltage regulating method: Neutral point on-load Regulating
Short circuit impedance: 9.5%(100MVA)
Cooling mode: ONAN/ONAF
Winding insulation level:
Lightning impulse withstand voltage (kV\peak value) 1min Main frequency withstand voltage
(kV\RMS)
Full wave Chopped wave
High voltage side: 1050 1175 460
Neutral point of high voltage: (1050) ( 460 )
Low voltage side: 170 185 70
Neutral point of low voltage: 170 70
Insulation Level: A
Field strength between transformer winding turns is no more than 2kV/mm
Transformer loss (under 75)\no-load current and efficiency
No-load Loss: 92 kW According to IEC standard
Load Loss: 356 kW According to IEC standard
No-load current: 0.3 % According to IEC standard
Radio interference and corona
Under the Maximum phase voltage, corona is not visible from outgoing terminal in the night of clear day at outdoor. Radio interference voltage is no more than 2500UV.

Power Transformer for Power Plant
Ratedpower
(kVA)
ValtageConnction9  loss (kW)10  loss (kW)11  loss (kW)No-load Loss(%)Impedence Voltage(%)
H.V(kV)L.V(kV)No-Load LossLoad LossNo-Load LossLoad LossNo-Load LossLoad Loss
31500230
242
±2×2.5%
6.3
6.6
10.5
11
YNd113513531.5128.328128.30.712-14
400004115736.9149.232.8149.20.7
500004918944.1179.639.2179.60.65
630005822052.220946.42090.65
7500010.5
11
13.8
6725060.3237.553.6237.50.6
900007728869.3273.661.6273.60.55
1200009434584.6327.875.2327.80.55
150000112405100.8384.889.6384.80.5
16000011
13.8
15.75
18
20
117425105.3403.893.6403.80.49
180000128459115.2436.1102.4436.10.46
240000160567144538.7128538.70.42
300000189675170.1641.3151.2641.30.38
360000217774195.3735.3173.6735.30.38
37000015.75
18
20
221790198.9750.5176.8750.50.38
400000234837210.6795.2187.2795.20.35
420000242868217.8824.6193.6824.60.35



Power Transformer for Power Plant
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