Introduction to Oil-Immersed Transformer
The oil-immersed transformer is an indispensable cornerstone in the realm of power equipment, omnipresent across the power system.
Basic Structure:
The oil-immersed transformer is meticulously constructed with a core, windings, oil tank, insulation bushings, radiators, and more. The core is crafted from laminated silicon steel sheets to minimize eddy current losses. The windings, made from copper or aluminum wires, accomplish voltage transformation via the principle of electromagnetic induction. The oil tank, containing transformer oil, is pivotal for insulation, cooling, and heat dissipation.
Working Principle:
Operating on the law of electromagnetic induction, it adjusts the AC voltage magnitude through the primary and secondary winding's turns ratio. Connecting the primary winding to an AC source generates alternating magnetic flux in the core, which induces a corresponding voltage in the secondary winding.
Features:
- Superior Insulation: Transformer oil offers excellent insulation, effectively preventing short circuits between windings and the core.
- Optimal Heat Dissipation: The oil's superior fluidity swiftly dissipates heat generated during transformer operation, ensuring it operates within a safe temperature range.
- Robust Overload Capacity: It can endure short-term overloads, adapting to unexpected power system demands.
Application Fields:
Oil-immersed transformers are integral in power plants, substations, and industrial and mining enterprises, providing suitable voltage levels for power transmission, distribution, and utilization.
For instance, in large-scale industrial production, these transformers deliver stable power to high-power equipment; in urban grids, they convert transmission voltage to levels suitable for residential and commercial users.
(Note: The above outline drawing is for reference only and should not be used for approval purposes.)
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