الثلاثاء، 22 فبراير 2011

dc machine

 dc machine

D.C. machines are the electro mechanical energy converters which work from a d.c. source and generate mechanical power or convert mechanical power into a d.c. power. These machines can be broadly classified into two types, on the basis of their magnetic structure. They are,
1. Homopolar machines
2. Heteropolar machines.

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