Losses due to loading. As more load (more current) is put on a transformer, these losses will increase. They are often referred to as I2R (or I^2*R) losses.
because the copper is saved in the auto transformer that is the ratio of weights of copper in auto transformer to normal transformer is (1-(1/a)) where a is transformer ratio
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how to reduce copper losses in a transformer Copper losses are due to the resistance of the copper (or aluminum) windings. To reduce copper losses the transformer would have to be rewound with heavier gage wire.
This isn't the case. You can have aluminium or copper on primary or secondary side of a transformer.
The two forms of copper are copper(I) and copper(II). Copper(I) is formed when copper loses one electron, while copper(II) is formed when copper loses two electrons. Copper(I) is typically bonded with elements such as chlorine or iodine, while copper(II) is commonly bonded with elements like oxygen or sulfur.
it loses electrons
there are several losses in a transformer that prevent it from attaining 100% efficiency. One is core loss, which can be divided into Hysteresis losses, Eddy currents and Magnetostriction loses. see for more details http://en.wikipedia.org/wiki/Transformer#Energy_losses
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You can determine if a transformer has copper or aluminum windings by looking for any markings or labels on the transformer, as manufacturers often indicate the material used. You can also do a visual inspection - copper windings typically have a distinct reddish color, while aluminum windings are lighter in color. Lastly, you can use a magnet to test the windings - copper is not magnetic while aluminum is.
A coil of a transformer is made of copper because copper is an excellent conductor of electricity, with low electrical resistance which minimizes energy loss due to heating. This makes copper coils efficient in transferring electrical energy between the primary and secondary coils of the transformer.
Yes, copper ions are ions of the element copper. They are positively charged particles formed when a neutral copper atom loses one or more electrons.
The maximum efficiency condition in distribution transformer is said to be occurred when iron loss = copper loss