Working Principle of DC Motor
A DC motor is an electrical machine that converts electrical energy into mechanical energy. DC motor working is based on the principle … Continue Reading
Electrical Machines
Objective Questions on Single Phase Motors | Part 4
46. The short coming of repulsion motor is (A) variation of speed with load (B) low power factor (C) tendency … Continue Reading
Construction of Universal Motors
A universal motor is one of the single-phase motors that can be operated on either direct current or single-phase alternating … Continue Reading
Three Phase Induction Motor: Construction and Working Principle
The three phase induction motors are the most widely used electric motors in the industry. They work on the principle … Continue Reading
Star-Star (Y-Y) Connection of Three Phase Transformers | Benefits and Challenges
Learn about the advantages and disadvantages of star-star (Y-Y) transformer connections. Discover key considerations to optimize performance and ensure reliable power distribution.
Parallel Operation of Single Phase Transformers
By parallel operation of single-phase transformers, we mean two or more transformers are connected to the same supply bus bars on … Continue Reading
Objective Questions on Alternators | Part 2
16. A winding is having a number of slots is equal to the number of poles, then this winding is … Continue Reading
Advantages of Operating DC Generators in Parallel
In a DC power plant, power is usually supplied from several generators of small ratings connected in parallel instead of … Continue Reading
Armature Reaction in Alternator
Armature reaction in alternator is the effect of armature flux on the field flux (i. e., rotor ampere-turns). Read this … Continue Reading
Electric Motor Maintenance : Preventive, Predictive and Reactive Maintenance
Electric Motors need maintenance regularly in order to avoid failure and prolong their lifespan. Generally, motors and motor parts should … Continue Reading