engineering recuitment RVUNL Technician III Mock Test Series 2025 Electrical Machines Alternator and Synchronous Motors Synchronous Motor Working Principle
3 phase synchronous motor needs:
1
3 phase AC supply only
2
3 phase AC supply as well as DC supply
3
3 phase AC supply as well as single phase AC supply
4
DC supply only
5
Two 3 phase AC supply