Power supply having rectifier and shunt circuit

摘要

A power supply (10), comprising a rectifier (2) having an input side (3) connectable to an AC main power supply and an output side (6) connectable to a load; and a controllable shunt switch circuit (12), wherein the shunt switch circuit (12) is arranged on the input side (3) of the rectifier (2) to selectively shunt the rectifier (2) via the output side thereof.