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Off Circuit Tap Changer Transformer
Off Circuit Tap Changer Transformer
Off Circuit Tap Changer Transformer

Three-phase Double-winding 20kv Distribution Transformers With Off-circuit Tap Changer

EXS11-M
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PRODUCT  DESCRIPTION
It   adopts   advanced   electromagnetic   design   software,and    meets IEC60076, GB1094, GB/T6451, GB/T25289-2010 standards.Without such device like conservator,air breather-.So it ensures that the transformer oil is not in contact with air,improving the oxidation capacity of the transformer oil and delaying its aging.The core is made of high quality cold- rolled gram-oriented silicon steel sheet,with laminated structure miter joint,so as to reduce the no-load losses and no- load current.The tank is a corrugated type,the corrugated fins can swell and shrink with the change of transformer oil,so that the pressure  can  be  maintained  inside  lhe  tank,increase  its  reliability  and  anti-corrosion  capability.  The coil  of distribution transformer,wound by high intensity enameled wrapped conductors with good Ampere-Turn balance and reasonable insulation structure,has a strong shod-circuit withstand capacity.The distribution transformer adopts the free untanking structure with sealing material parts made of high quality acrylic rubber,it can effectively prevent against light-  aging and heat-aging.
 
S11-M SERIES THREE-PHASE DOUBLE-WINDING 20KV
DISTRIBUTION TRANSFORMERS WITH OFF-CIRCUIT TAP CHANGER
The Technical Specifications of this 20kV Distribution Transformer define its electrical and mechanical parameters for medium-voltage distribution networks. The S11-M Double Winding Transformer model features advanced electromagnetic design software and meets IEC60076, GB1094, GB/T6451, and GB/T25289-2010 standards. This Off Circuit Tap Changer Transformer is designed without a conservator or air breather, ensuring that the transformer oil is not in contact with air, thereby improving oxidation capacity and delaying aging. The core of this 20kV Distribution Transformer is made of high-quality cold-rolled grain-oriented silicon steel sheet with a laminated structure and miter joint, reducing no-load losses and no-load current. The corrugated tank of this S11-M Double Winding Transformer allows fins to swell and shrink with oil changes, maintaining internal pressure and enhancing reliability. The coil of this Off Circuit Tap Changer Transformer uses high-strength enameled conductors with excellent Ampere-Turn balance and insulation structure, providing strong short-circuit withstand capacity. Each 20kV Distribution Transformer undergoes routine testing to verify compliance, ensuring long-term reliability in 20kV distribution systems.

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