Gubitak transformatora u željezu i bakru

When the primary winding of the transformer is energized, the magnetic flux generated by the coil flows in the core, because the core itself is also a conductor, in the plane perpendicular to the magnetic field lines will be induced potential, the potential in the cross-section of the core to form a closed loop and generate current, like a vortex so called "vortex". This "full current" increases the loss of the transformer and increases the temperature rise of the core heating transformer. The loss caused by the eddy current is called the iron loss.

In addition, a large number of copper wires are needed to wind the transformer. These copper wires have resistance, and when the current flows through, the resistance will consume a certain amount of power. This part of the loss is often consumed as heat, which is called "copper loss".

Dakle, porast temperature transformatora je uglavnom uzrokovan gubitkom željeza i gubitkom bakra. Budući da transformator ima gubitke u željezu i bakru, njegova izlazna snaga je uvijek manja od ulazne snage.

Može se znati da je gubitak željeza transformatora povezan sa primarnim naponom transformatora, i nema nikakve veze sa sekundarnim opterećenjem, odnosno: sve dok transformator ima napon mora postojati gubitak željeza. Određeni napon znači određeni gubitak željeza. Gubitak bakra, s druge strane, uglavnom zavisi od struje opterećenja.