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          PRODUCTOil-immersed power transformer

          Home - Product - Oil-immersed power transformer

          Product Name:S11 oil-immersed power transformer

          Updated:2020-05-15 11:16:04

          Product Details

          Product description

          The S11-M series fully-sealed oil-immersed power transformer developed and produced by our company has the advantages of low loss, low noise and high efficiency, and can achieve good energy saving effect and reduce pollution. Compared with the ordinary oil-immersed transformer, the fully sealed transformer eliminates the oil storage cabinet. The oil volume change is automatically adjusted and compensated by the elasticity of the corrugated sheet of the corrugated oil tank. The transformer is isolated from the air to prevent and slow down the deterioration of oil and insulation aging , Enhance operational reliability, maintenance-free during normal operation.


          GB 1094 Power Transformer

          GB / T15164 load guidelines for oil-immersed power transformers

          GB / T6451 three-phase oil-immersed power transformer technical parameters and requirements.

          GB 2536 transformer oil

          GB 311.1 Insulation coordination of high-voltage power transmission and transformation equipment

          JB / T 501 Test Guide for Power Transformer

          GB 10237 Insulation level of power transformer and air gap of external insulation for insulation test

          DL / T572 Transformer Operation Regulations

          Conditions of Use

          1. Maximum ambient temperature: + 40'C

          2. Minimum ambient temperature: -25'C

          3. Altitude: <1000m

          4. Maximum monthly average relative humidity: 90% (20'C)

          5. Installation location: Install in a place free of fire, explosion hazard, severe pollution, chemical corrosion and severe vibration, indoor or outdoor.


          1. The transformer core is formed by stacking imported cold-rolled silicon steel sheets, which greatly reduces no-load loss and no-load current, and binds the core to ensure the tightness of the core and reduce noise.

          2. The high and low voltage windings are made of oxygen-free copper. The low-voltage windings 500kVA and below use a double-layer cylindrical structure, 630kVA and above use a double-helix or four-helix structure, and the high-voltage windings use a multilayer cylindrical structure.

          3. The transformer connection group uses Dyn11 to reduce the impact of harmonics on the power grid and change the quality of power supply.

          4. The transformer has a completely sealed structure, prolonging the service life, free of hanging heart and maintenance.

          5. The measured noise value is lower than the standard.

          Model meaning


          Insulation level


          S11 type 10kV double winding series main product performance parameters


          S11 type 20kV double winding series main product performance parameters


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          Main business

          The marketing network and service network of Tianhong Power Technology Co., Ltd. have been improved

          The company will further promote to the domestic and foreign markets. The company implements the "7 * 24 service mechanism". The company implements the after-sales service policy of one-year free replacement, three-year warranty and life-long warranty for its products. Welcome to come for consultation.

          Contact us

          # Address: No. 22, Xuhai Road, Industrial Park, Xuzhuang Town, Xuzhou Economic and Technological Development Zone

          # Phone: +86-18361516966 (Sales)

          # Telephone: +86-18361516966(service)

          # Email: 1920745142@qq.com

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