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Electric Motors And Generators

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Electric Motors And Generators

Electrical motors and generators are machines which either convert electrical energy inputs into forces or applied kinetic energy inputs into electrical energy. In principle, any electrical generator can also be operated as a motor and vice-versa. In practice they will often be optimized for one application or the other.

All electrical machines operate due to the same principles derived from the study of electro-magnetics. Therefore, it is appropriate to first discuss these underlying electromagnetic concepts as this is crucial for understanding their operation. However, before discussing these concepts it will also be useful to revise the concepts of vector algebra and vector calculus which are used extensively in this subject.

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