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A two winding machine is operated as a single phase synchronous generator.The round rotor is running with fixed speed and the rotor winding is?

 

A two winding machine is operated as a single phase synchronous generator. The round rotor is running with fixed speed and the rotor winding is running a constant D.C voltage source, the self-inductance of the tow winding are constant while the mutual inductance between them is a pare cosine function of the angle between their axis.     The stator winding is initially open when a sudden short-circuit ocours at its terminals.

Assume reasonable values for the parameters and supply and develop a program to solve the differential equation and calculate, numerically the short circuit current

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تم إضافة السؤال من قبل Mohamed Hasaballa Abdelrahman Baraka , رئيس قسم الكهرباء , جامعة السودان التقانية
تاريخ النشر: 2015/10/19
mohammed abd alla abdelmagid  awad elsied
من قبل mohammed abd alla abdelmagid awad elsied , line maintenace engineer , tarco maintenance center

Yes can be synchronized, but must be connected by gearbox to control the speed voltage,and phase sequence must be same because voltage and phase angle should be also the same.

ismael aremu
من قبل ismael aremu , Technical Officer , Nigerian Railway Corporation

because the speed of the rotor of this motor is same as the rotating magnetic field. It is basically a fixed speed motor because it has only one speed, which is synchronous speed and therefore no intermediate speed is there or in other words it’s in synchronism with the supply frequency