Vacuum circuit-breaker equipped with self-diagnosis means

A vacuum circuit-breaker including, for each phase, at least one vacuum bottle housed inside a closed enclosure, said circuit-breaker further including at least one scintillation fiber disposed in a space between said enclosure and the outside surface of the vacuum bottle(s) said fiber being connected outside the circuit-breaker to an opto-electronic device, and wherein said scintillation fiber is wound around a central portion of the vacuum bottle, a first end of the fiber being left free and the other end of the fiber extending out of the enclosure.

A vacuum circuit-breaker including, for each phase, at least one vacuum bottle housed inside a closed enclosure, said circuit-breaker further including at least one scintillation fiber disposed in a space between said enclosure and the outside surface of the vacuum bottle(s) said fiber being connected outside the circuit-breaker to an opto-electronic device, and wherein said scintillation fiber hangs down inside the space between the enclosure and the vacuum bottle.

A vacuum circuit-breaker including, for each phase, at least one vacuum bottle housed inside a closed enclosure, said circuit-breaker further including at least one scintillation fiber disposed in a space between said enclosure and the outside surface of the vacuum bottle(s) said fiber being connected outside the circuit-breaker to an opto-electronic device, wherein the scintillation fiber is common to all phases, and wherein said scintillation fiber defines a U-shape loop around each vacuum bottle.

A vacuum circuit-breaker including, for each phase, at least one vacuum bottle housed inside a closed enclosure, said circuit-breaker further including at least one scintillation fiber disposed in a space between said enclosure and the outside surface of the vacuum bottle(s) said fiber being connected outside the circuit-breaker to an opto-electronic device, and wherein the casing of the vacuum bottle(s) is made of a material that is transparent or translucent, the scintillation fiber is covered with a sheet making it opaque to visible radiation and said circuit-breaker further includes a fluorescent optical fiber.

A vacuum circuit-breaker including, for each phase, at least one vacuum bottle housed inside a closed enclosure, said circuit-breaker further including at least one scintillation fiber disposed in a space between said enclosure and the outside surface of the vacuum bottle(s) said fiber being connected outside the circuit-breaker to an opto-electronic device, and wherein the optical-electronic device is a photo diode.

A vacuum circuit-breaker including, for each phase, at least one vacuum bottle housed inside a closed enclosure, said circuit-breaker further including at least one scintillation fiber disposed in a space between said enclosure and the outside surface of the vacuum bottle(s) said fiber being connected outside the circuit-breaker to an opto-electronic device, and wherein the casing is made of an insulating material with a space between the casing and the vacuum bottle being filled with air.

A vacuum circuit-breaker including, for each phase, at least one vacuum bottle housed inside a closed enclosure wherein the vacuum bottle is surrounded by a cylinder constituted by a scintillation film, with a fluorescent fiber connected to a photo-detector being wound around said cylinder.

A vacuum circuit-breaker including, for each phase, at least one vacuum bottle housed inside a closed enclosure wherein the circuit-breaker includes a plurality of scintillation fibers disposed in parallel to form a cylinder that is coaxial with the vacuum bottle, and a fluorescent fiber disposed to form a collar at one end of said cylinder and facing the ends of said scintillation fibers, one end of said fluorescent fiber being connected to a photo-detector.