Question { ABC, 172206 }

working of a diesel generator.

Answer

diesel generator worked as principle of faraday's law of
electromagnetic effect.mechanical energy is converted to
electrical energy.It can stared to d.c supply i.e. 12v ,
24v.D.C supply to starter and after starting it produce
A.C. supply.Engine only use as a prime mover.

Question { 6162 }

What is an Automatic Voltage Regultor & what is its use?
What are the general componets we use to design an
Automatic Voltage Regulator..What are the factors to be
considered for its design?

Answer

AVR means automatic voltage regulator.they control the
field current in an alternator.in this Avr first develop
the excitation voltage i.e.54to59v then produce full
voltage. first supply to d.c voltage 7-8v.rectifer use in
that sustem