A 6-pole, 50 Hz, 3-phase synchronous motor and on 8-pole,
50 Hz, 3-phase slip-ring induction motor are mechanically
coupled and operate on the same 3-phase, 50 Hz supply. If
they are left open-circuited, then the frequency of the
voltage produced across any two slip rings would be
Answers were Sorted based on User's Feedback
describe your self.
what is the generating transformer?
How to know motor winding is star or delta connected without see the information table and winding connection ?
what is the operating principle of contactor(power).along with disection?
3 Answers NASA, Tech Mahindra,
In cable sizing calculation (determining the max route length of cable) why we choose the shortest length between cable length of full load current Iflc & starting current Istart?
sir what is the minimun earth resistance value of an industial bit and grid bit ? and Why?
what is difference between 9kv 5ka surge arrester and 9kv 10ka surge arrester.
we are using three transformer 33000/430 vac for three separet block.all three transformer have three LT panel separetly. can be Interconnected all three panel through bus coupler. this is permissable or not by state electricity board.
what is onan, onaf, ofan, ofaf in transformer?
sir, i want to know the calculation for find rated current for cable sizes.(both copper & aluminium) with examole. please sir for example: 35sq.mm al.cable is withstands for how many amps? is suitable for 45kw motor?
how do you reduce the skin effect
what is percentage impedance of transformer? explain its significance