Why Armature Core Is Laminated In Dc Machine

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Why armature core is laminated in dc machine. 10 why is the armature core of a dc machine laminated. The armature consists of a shaft upon which a laminated cylinder called amature core is placed. To reduce the eddy current loss. 11 what is the function of armature in a dc generator.

To prevent eddy current and hysteresis. Armature of dc generator. The armature core of a dc machine is laminated to reduce the eddy current loss. Asked by haroon rehman.

Some through holes are provided in the laminated armature core in a dc machine to. Balance the weight of the core for balanced rotational motion. Why armature core is laminated in dc machine. Asked by wiki user.

The top image depicts a solid armature while the bottom image shows an armature made of five laminations. Why the armature core in d c machines is constructed with laminated steel sheets instead of solid steel sheets. Motor armatures have to be made of thin laminations of iron to work efficiently a plain solid iron armature would waste a lot of energy in at least two ways the magnetic field that is produced by. Ventilate air during rotation.

Answer for why is the armature core of a dc machine laminated. Lamination highly reduces the eddy current loss and steel sheets provide low reluctance path to magnetic field i e decreases hysteresis loss. 2020 06 25 17 28 04 2020 06 25 17 28 04. The armature core of dc generator is cylindrical in shape and keyed to the rotating shaft.

What is the main factor which governs the size and rating of an electric machine. The rotating part of the dc machine or a dc generator is called the armature. Reduce the weight of the core. The yoke is stationary and no flux variations take place and hence the.