Power switching apparatus

Details Power switching apparatus Power switching apparatus

H - Electricity

02

B

317/6

H02B 1/00 (2006.01) H02B 1/24 (2006.01)

Patent

CA 1118037

ABSTRACT OF THE DISCLOSURE This invention relates to the arrangement of a switching network intended to be used within an electrical utility station switchyard, which improves the security of power delivery to various loads while at the same time allowing a reduction in the number of required circuit breakers and related gear. The invention is a switching network comprising six conducting branches, each branch containing at least one switching means such as a circuit breaker. The branches are connected at their ends so as to form four 3-sided rings, each branch forming a side of and being shared by two of the rings. As a result, four triple- connected nodes are formed at the end connection points of the branches while the connections between adjacent pairs of switching means within a branch form double-connected nodes. These nodes serve as points for connection thereto of source/load elements, and each node is isolatable by the operation of a maximum of three of switching means.

282878

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