C - Chemistry – Metallurgy – 25 – B
Patent
C - Chemistry, Metallurgy
25
B
204/208, 348/44
C25B 9/04 (2006.01) H01H 33/00 (2006.01)
Patent
CA 1163959
49,522 ABSTRACT OF THE DISCLOSURE An electrical shunting switch assembly for use with a high continuous D.C. current electrochemical cell system, for electrically shunting or by-passing a cell of the system to permit maintenance or replacement, and then permitting stepped or gradual current diversion back through the cell. This shunting switch assembly includes a plurality of electrically parallel switch modules which comprises a vacuum switch, a series connected resistance value and switch operating means for sequentially operat- ing the switches for current diversion. The switch mod- ules are disposed in a matrix arrangement connected be- tween bus connectors which are connectable across the cell, with switch modules having a low resistance value in alternating adjacent relationship to switch modules having a high resistance value. The low resistance value modules permit high shunting efficiency. The higher resistance value modules provide the capability for stepped or grad- ual current diversion.
402659
Oldham And Company
Westinghouse Electric Corporation
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