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What is the loss of the transformer during operation

Release time:

2024-01-08

Source:

When the primary winding of the transformer is energized, the magnetic flux generated by the coil flows in the iron core, because the iron core itself is also a conductor, and an electric potential is induced on the plane perpendicular to the magnetic field lines. This electric potential forms a closed loop on the section of the iron core and generates current, as if p is a vortex, so it is called "eddy current". This "eddy current" increases the loss of the transformer and increases the temperature rise of the transformer by heating the core of the transformer. The loss caused by the "eddy current" is called "iron loss". In addition, a large number of copper wires are needed to wind the transformer. These copper wires have resistance. When the current flows through, this resistance will consume a certain amount of power. This part of the loss is often consumed by heat. We call this loss "copper loss".

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