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
Effect of Electric Current on Human Body at 50 Hz
Each year in France, for example, 200 people die of electrocution and 500 suffer serious injuries, often permanent burns, respiratory … 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
Parallel Operation of DC Series Generator
The interesting thing about the parallel operation of the DC series generator is that DC series generators are not usually … Continue Reading
Armature Reaction in DC Generator
DC generators have been fundamental in the history of electrical power generation. Yet, behind their seemingly simple operation lies a … Continue Reading
Power Transformer Testing Methods – Type, Routine & Special Tests
An electrical power transformer has to go through a number of transformer testing procedures for confirming its specifications and performances. … Continue Reading
Why Transformers are Rated in kVA, Not in kW?
Transformer rating is expressed in kVA, not in kW. Rating of a transformer or any other electrical machine reflects its load carrying … Continue Reading