Electrical Machine

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…

6 years ago

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…

6 years ago

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…

6 years ago

Synchronous Condensers

When synchronous motor is over excited it takes leading p.f. current. If synchronous motor is on no load, where load…

6 years ago

Synchronous Induction Motor

In the applications where high starting torque and constant speed are desired then synchronous induction motors can be used. It…

6 years ago

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…

6 years ago

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…

6 years ago

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…

6 years ago

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…

6 years ago

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…

6 years ago