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Oil power transformer 110 kV
The core of the 110 kV oil-immersed power transformer is made of high-quality oriented silicon steel, assembled in multi-stage layers, with a curable varnish applied to the surface. The product is characterized by low losses and low noise levels.
Description
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Product Description
The core of the 110 kV oil-immersed power transformer is made of high-quality oriented silicon steel, assembled in multi-stage layers, with a curable varnish applied to the surface. The product is characterized by low losses and low noise levels. The windings are designed with internal and external spacer bars. A high-strength rigid paper-bakelite cylinder is used between the windings and the magnetic core, as well as between the windings, which effectively ensures resistance to short-circuit shock currents. The transformer tank is made using solid bending technology with a corrugated design, which increases mechanical strength and gives an aesthetic appearance. The active part and tank are fixed using a full positioning system, ensuring stability during transportation and operation.
Characteristics
Low losses: meets the energy efficiency requirements of the GB 20052-2020 standard “Energy efficiency limit values and energy efficiency classes of power transformers”.
Low noise: Free cooling noise level is less than 60dB.
Low partial discharge level: partial discharge level is controlled within 100 pC.
High resistance to short-circuit currents: a high-quality insulating frame is used inside the windings, the side walls of the tank are made by laser cutting in one pass.
Aesthetic appearance: complete sanding and rust removal, electrostatic powder spraying provides a coating quality comparable to painting household appliances.
No leaks: all sealing flanges have a groove design, the drain valve is made of brass, and vacuum butterfly valves are installed on the radiators, which guarantees tightness.
Specifications
Power: from 6300 kVA to 180,000 kVA
Primary side rated voltage: 110 kV to 121 kV
Secondary side rated voltage: 6.3 kV to 38.5 kV
Number of branches: from 5 to 17
Frequency: 50/60 Hz
Number of phases: three-phase
Group of compounds: Yd11 / YNd11, etc.
Short circuit voltage: 10% to 14%
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