Vacuum circuit interrupter with on-line vacuum monitoring...

Details Vacuum circuit interrupter with on-line vacuum monitoring... Vacuum circuit interrupter with on-line vacuum monitoring...

H - Electricity

01

H

324/21, 306/215

H01H 33/66 (2006.01) G01L 21/34 (2006.01) H01H 33/668 (2006.01)

Patent

CA 1191549

41 ABSTRACT OF THE DISCLOSURE A vacuum circuit interrupter is taught which utilizes the vapor deposition shields thereof and the existing high voltage electrical source or network which is controlled by the circuit interrupter to produce a cold cathode detector for determining the quality or amount of vacuum within the vacuum circuit interrupter. The central shield support ring which protrudes through the insulating casing of the circuit interrupter is utilized to supply electrical current to a current measuring device and to return one of the shields of the cold cathode detector to the common terminal of the aforementioned voltage source.

393711

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