Transistorised Circuit diagram for Stabilizer Step up 110V AC to 230V AC 500VA

[lean4wise]

It can Stabilize Mains voltage to around +/- 10% . It can be used for both 110V AC or 220V AC inputs with modifications. The Output is 220V AC. There is an overload, under voltage and over voltage trip circuit.

 

[FvM]

Do you want to share a circuit or you asking for a specific schematic? There's attachment with your post.