V Curves And Inverted V Curves Of Synchronous Motor
From the previous article, it is clear that if excitation is varied from very low (under excitation) to very high (over excitation)…
Multiple Choice Questions Of Synchronous Generator Part 1
Hello Engineers. 1. In an alternator, voltage drops occurs in (A) armature resistance only (B) armature resistance and leakage reactance (C)…
Synchronization With Infinite Bus Bar
There is a specific procedure of connecting synchronous machine to infinite bus bars. Infinite bus bar is one which keeps constant voltage…
Synchronous Condensers
When synchronous motor is over excited it takes leading p.f. current. If synchronous motor is on no load, where load angle ? is very…
Synchronous Induction Motor
In the applications where high starting torque and constant speed are desired then synchronous induction motors can be used. It has the…
Direction Of Rotation Of D.C. Motor
1. Direction of Rotation of Motor The magnitude of the force experienced by the conductor in a motor is given by, F…
Power Equation Of A D.C. Motor
The voltage equation of a d.c. motor is given by, V = Eb + Ia Ra Multiplying both sides of the above equation by…
D.C Generator Interview Questions
Q. Principle of operation of a generator? A. An electric generator is a machine that converts mechanical energy into electrical energy. An…
Three Phase Induction Motor
1.Introduction An electric motor is a device which converts an electrical energy into a mechanical energy. The motors operating on a.c. supply…
Torque Equation Of Three Phase Induction Motor
The torque produced in the induction motor depends on the following factors : 1. The part of rotating magnetic field which reacts…