Working principal of AVR(Automatic Voltage Regulator)

Описание: AVR controls the voltage of a generator when there is a change in load.
Some important factor
Zener diode: Zener diode is a semi-conductor device which flows current in both direction but specialize in reverse direction.
SCR : Silicon controlled rectifier. It is one type of thyristor. It consists of annode, cathode and gate.