Transformers are one of the key electrical equipment in power distribution stations. Oil-immersed transformers are widely used because they have good dielectric strength, strong heat transfer performance and low construction costs. They can solve the problem of heat pipe heat dissipation in large sp
■ Advantages and disadvantages of dry-type transformers and oil-immersed transformersIn terms of price, dry change is more expensive than oil change.In terms of capacity, large-capacity oils produce more oil than dry ones.Dry inverters need to be used in complex buildings (basements, floors, roofs,
Analysis of common faults in the main circuit The main circuit is mainly composed of three-phase or single-phase rectifier bridge, smoothing capacitor, filter capacitor, IPM inverter bridge, current limiting resistor, contactor and other components. Many of these common faults are caused by electrol
1 structureThe core part of the three-phase oil-immersed transformer is composed of a closed iron core and windings wrapped around the iron core posts. In addition, there are oil tanks, oil conservator cabinets, casings, breathers, explosion-proof pipes, radiators, tap changers, gas relays, thermome
The winding is the heart of the transformer and the core of the transformer transmitting and converting electrical energy. Reliable winding insulation is the basic guarantee for the long-term safe operation of the transformer. Winding insulation becomes particularly important for high voltage transf
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