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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 anti-oxidation capacity of the transformer oil and
delaying its aging.he core is made of high quality cold-rolled grain-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 the tank, increase its reliability and
anti-corrosion capability. The coil of distribution transformer,wound by high intensity enameled wrapped conductors with good Ampere-Tum balance and reasonable insulation struc-
ture, has a strong short-circuit withstand capacity. The distribu-tion 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