-
Over Exited Alternator
When alternator is over exited, the power factor will be a. Lagging b. Leading c. Zero
-
Half Controlled and Full Controlled Rectifier
What is the difference between half controlled and full controlled rectifier? Why we go for full controlled while half controlled can control voltage?
-
AIR GAP
What is the role of air gap in any electrical machine how does it affects induce emf??
-
How does a generator generate reactive power
Does it absorb reactive power when ever it is needed ?