INTERLOCK ASSEMBLY FOR NETWORK TRANSFORMER PRIMARY DISCONNECT ASSEMBLY

摘要

A mechanical interlock assembly for a network transformer primary disconnect assembly is provided. The mechanical interlock assembly includes a blocking member assembly with a body. The a blocking member assembly body includes an obstruction portion and a lacunar portion. The blocking member assembly is movably disposed adjacent to a movable operation contact carriage and a ground contact carriage. The blocking member assembly body is movable between a first position, wherein the blocking member assembly body obstruction portion is disposed in the path of the ground contact carriage, a neutral position, wherein the blocking member assembly body obstruction portion is disposed in the path of the ground contact carriage and the operation contact carriage, and a second position, wherein the blocking member assembly body obstruction portion is disposed in the path of the operation contact carriage.

主权项

1. A mechanical interlock assembly for a network transformer primary disconnect assembly, said network transformer primary disconnect assembly including a housing assembly and a circuit interrupter, said housing assembly including a number of sidewalls defining an enclosed space, said circuit interrupter including a number of operation contact assemblies and a number of ground contact assemblies, said interlock assembly comprising:
a movable operation contact carriage, said operation contact carriage movable over a path between a first position and a second position; a movable ground contact carriage, said ground contact carriage movable over a path between a first position and a second position; a blocking member assembly including a body with an obstruction portion and a lacunar portion; said blocking member movably disposed adjacent said movable operation contact carriage and said ground contact carriage; wherein, when said operation contact carriage is in said first position, said operation contact carriage is disposed in said blocking member assembly body lacunar portion; wherein, when said ground contact carriage is in said first position, said ground contact carriage is disposed in said blocking member assembly body lacunar portion; said blocking member assembly body movable between a first position, wherein said blocking member assembly body obstruction portion is disposed in the path of said ground contact carriage, a neutral position, wherein said blocking member assembly body obstruction portion is disposed in the path of said operation contact carriage and said ground contact carriage, and a second position, wherein said blocking member assembly body obstruction portion is disposed in the path of said operation contact carriage; and wherein said blocking member assembly body is movable between said first position and said second position only when said movable operation contact carriage is in the first position and said ground contact carriage is in said first position.