Address: 138 Shagang Industrial Park, Shagang District, Kaiping, Guangdong, China (Mainland) Zip: 529328
Phone: +86-750-2226588
Hermetically Sealed Oil-Immersed Transformer
Features:1) The edges of the oil tank are welded with stainless steel with Haihong`sdesign patent (Patent no.: 00322141.5). The edges reinforce themechanical strength, rust prevention, magnet prevention and polishedappearance2) The tank is equipped with Haihong`s patented accessory YWJ oil levelgauge, which is of reasonable design, direct display, and thoroughlysolves the problems such as oil level, working temperature, pressurerelief and oil conservation. (Patent no.: 0121516159.9)3) The oil tank and clampingpiece are rust-removed, acid-cleaned andpaint-coated for several times. Using the imported special antirust paintprevents desquamation and depigmentation. The clamping screws are ofstainless steel and will never get rusty4) The stainless steel welded edges are rust preventive, as well as agingpreventive for the gaskets5) The gaskets are made by the 41st Research Institute of the FourthAcademy of China Airspace Corp. The gaskets are of drip molding withthe surface specially treated to ensure hermetization and reliability6) The magnetic core consists of imported oriental crystal laminations witha very low loss factor. The spacer blocks are made of electrical insulatinglaminated compressed wood to ensure no distortion or crack but excellentmechanical strength7) The transformer is of hermetically construction, which insolates the oilfrom the atmosphere and therefore slows down the aging of the oil8) Compared to S9-M series transformer, S11-M has an average no-load lossreduced by 30%, no-load current reduced by 60% and noise level reducedby 5-10 dBSpecifications:1) Standard: GB1094.1-5 GB/T64512) Capacity range: 30 - 2500kVA3) Frequency: 50Hz4) Phase: 3-phase5) Tap changing method: off circuit or on load6) Tapping range: ±5% or ±2 x 2.5%7) Connection symbol: Yyn0 or Dyn118) Impedance voltage: 4% or 4.5%Normal service conditions:1) Altitude: ≤1, 000m2) Highest ambient temperature: 40°C3) Highest annual average temperature: 20°C4) Highest daily average temperature: 30°C5) Lowest temperature: -25°C6) Indoor and outdoor7) We can also provide transformers operated in special conditionsaccording to users` requirements
Features:1) The edges of the oil tank are welded with stainless steel with Haihong`sdesign patent (Patent no.: 00322141.5). The edges reinforce themechanical strength, rust prevention, magnet preventi
Features:1) The edges of the oil tank are welded with stainless steel with Haihong`sdesign patent (Patent no.: 00322141.5). The edges reinforce themechanical strength, rust prevention, magnet preventi
Features:1) The edges of the oil tank are welded with stainless steel with Haihong`sdesign patent (Patent no.: 00322141.5). The edges reinforce themechanical strength, rust prevention, magnet preventi
Advantage:SZ9-M, SZ11-M voltage-regulation with load hermetically sealedtransformer is an energy saving product developed on the basis ofS9-M and S11-M, which has the same performance parameter as S9-
Advantage:SZ9-M, SZ11-M voltage-regulation with load hermetically sealedtransformer is an energy saving product developed on the basis ofS9-M and S11-M, which has the same performance parameter as S9-
Features:D11 transformer is of high efficiency and low loss factor. It is applicable toboth the rural power network for agriculture, illumination and power utility,and the urban power network reconstr
Features:D11 transformer is of high efficiency and low loss factor. It is applicable toboth the rural power network for agriculture, illumination and power utility,and the urban power network reconstr
Features:1) S11-M.R toroidal transformer is built around a ring-shaped core,which is made from a long strip of silicon steel wound into a coil. Thisconstruction ensures that all the grain boundaries a
Features:1) S11-M.R toroidal transformer is built around a ring-shaped core,which is made from a long strip of silicon steel wound into a coil. Thisconstruction ensures that all the grain boundaries a
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