Oil-immersed transformer exclusive for

Oil-immersed Power Transformer Exclusive for Petrifaction
Iron core:the iron core is made by crystal grain-oriented silicon-steel sheet;GEORG cross cut shear(made in West Germany)is adopted to cut the silicon-steel sheet with a 45¡ãjoint seam;fold the sheet into a multistage round vross-section to reduce the noise and power consumption.
Coil:cylinder type for high voltage ;cylinder type or foil type for low voltage ;this can increase the ability to resist short circuit and strike;and the distribution of magnetic path is more rational.
Oil tank:the oil tank is made by fine cold-rolled steel sheets;GEORG corrugation oil tank production-line is adopted;rust cleaning and phosphate treatment are applied for the surface of the oil tank ,then,antiseptic coating material is applied on the surface,which can meet the requirements for petroleum and chemical industry (much oil stain and many chemical substances).In addition,the corrugations not any possess heat radiation function,but also meet the requirement for oil expansion and oil contraction under normal performance.The isolation from air guarantees a low aging speed of oil and a long life expectancy of transformer.
Standard:the techniacl standards for this tranformer are GB1094.1~2-1996,GB1094.3,5-2003.The technical standards for our S9-M series transformer meet the national standards of S9 series transformer.
 Type               Voltage combination and tapping range(kV)Comnection symbolNo-load loss
(kW)Load loss
(kW)No-load
current (%)Impedance
(%)
HV High voltage tapping rangeLV
S9-M-30
  6
 6.3
 10
 10.5
 11
    ¡À5
     or   ¡À2¡Á2.50.4Yyn0
Or
Dyn110.130.602.1    4.0
S9-M-500.170.872.0
S9-M-630.201.041.9
S9-M-800.251.251.8
S9-M-1000.291.501.6
S9-M-1250.341.801.5
S9-M-1600.402.201.4
S9-M-2000.482.601.3
S9-M-2500.563.051.2
S9-M-3150.673.651.1
S9-M-4000.804.301.0
S9-M-5000.965.101.0
S9-M-6301.206.200.9
   4.5
S9-M-8001.407.500.8
S9-M-10001.7010.30.7
S9-M-12501.9512.00.6
S9-M-16002.4014.50.6
S9-M-20002.6019.80.6
S9-M-2500Dyn113.0023.00.6

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Sanbian Sci-Tech Co., Ltd. is a key enterprise in Zhejiang province and a second-level enterprise in China. We were established in October, 1968. Our company produces large and medium sized transformers.


Our company possesses the total assets of 850,000,000 CNY. We occupy an area of 340,000 square meters and employ more than 1000 staff members. The annual production capacity is about 18,000,000kVA.


Our main products include oil immersed power transformers with voltage...more>>