Inductive element protection in a power supply system

An uninterruptible power supply system comprising at least one vacuum circuit breaker connected in series with an inductive element, as well as a protection arrangement, said protection arrangement including a first bypass branch and a first grounding branch, said first bypass branch being connected in parallel with the inductive element and including at least one protective bypass component and said first grounding branch being connected between the first bypass branch and ground and including a first grounding surge arrester,

• wherein the first bypass branch includes two series-connected protective components of a first type and a bypass branch midpoint between them, where the first grounding branch is connected between said bypass branch midpoint and ground and the at least one circuit breaker is a vacuum circuit breaker.