The post discusses a simple circuit design which ensures a perfectly stabilized 220 V or 120 V mains voltage across the connected load, without using relays or transformers, rather by […]
Voltage Control and Protection
SMPS Voltage Stabilizer Circuit
The article explains a solid state switch-mode mains voltage stabilizer circuit without relays, using a ferrite core boost converter and a couple of half-bridge mosfet driver circuits. The idea was […]
Lathe Machine Over Load Protector Circuit
The article discusses a simple overload cut off circuit for safeguarding heavy mains operated machines such as a lathe machine. The idea was requested by Mr. Howard Dean. Technical Specifications […]
SG 3525 Automatic PWM Voltage Regulation Circuit
The post explains a simple configuration which can be added with all SG 3525/3524 inverter circuits for implementing automatic PWM output voltage regulation by the IC. The solution was requested […]
High Power Industrial Mains Surge Suppressor Explored
The post explains a high energy surge suppressor circuit using high capacity industrial MOVs for suppressing high current mains surges in industrial electrical lines. The Circuit Problem: I’ve been reading […]
How to Test a MOV (Metal Oxide Varistor) Surge Protector Device
The article discusses a set up for testing MOVs which are special devices specified for absorbing instantaneous high surge currents that may accidentally occur in our mains electrical lines. The […]