This Static Voltage Regulator (SV) is made by using high frequency IGBT (insulated Gate Bi-Polar Transistor through 20 KHz PWM inverter based technology to maintain constant precise voltage
Powerline Electronics SVR instantaneously connects only essential difference voltage through GT, to achieve 240V precise constant voltage its adds or subtracts from the main of incoming power line.
The input voltage is sensed by feedback control system through digital signal processor (DSP) and corrections are made by varying duty cycle of the PWM, during system regulation it's done electronically within 20 milliseconds without any variation in output voltage
SVR is also known as Digital Power Line Conditioners.