Introduction to Oil-Immersed Transformer
The oil-immersed transformer is a critical and ubiquitous power apparatus extensively employed in modern power systems, ensuring efficient energy distribution.
Basic Structure:
The oil-immersed transformer is comprised of essential components such as the core, windings, oil tank, insulation bushings, and radiators. The core, crafted from laminated silicon steel sheets, minimizes eddy current losses. Windings are made with high-quality copper or aluminum wires to facilitate voltage transformation via electromagnetic induction. The oil tank houses the transformer oil, serving multiple roles including insulation, cooling, and heat dissipation.
Working Principle:
Operating on the principle of electromagnetic induction, the transformer adjusts AC voltage levels through the turns ratio between the primary and secondary windings. When AC power is supplied to the primary winding, it induces an alternating magnetic flux in the core, which in turn generates a corresponding voltage in the secondary winding.
Features:
- Superior insulation performance: Transformer oil provides excellent insulation, effectively preventing short circuits between windings and the core.
- Efficient thermal management: The oil's high fluidity swiftly dissipates heat generated during transformer operation, maintaining optimal temperature ranges.
- Robust overload capability: Designed to endure short-term overloads, this transformer adapts to unforeseen power system demands.
Application Fields:
Oil-immersed transformers are indispensable in power plants, substations, and industrial complexes, ensuring appropriate voltage levels for the distribution and utilization of electrical power.
In large-scale industrial settings, these transformers supply consistent power to high-demand machinery. In urban power grids, they convert transmission voltage to consumer-friendly levels for residential and commercial use.
(Note: The above outline drawing is for reference purposes only and is not intended for approval.)
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