What is a PCORE Quick Link bushing?

The PCORE quick-link bushing is a patented design to assist electric utilities and power transformer manufacturers when they are faced with having to use a bottom connected bushing to carry higher application currents of 1200A or more with the convenience of a draw-lead bushing. The use of a quick-link bushing allows for a simpler and quicker installation and removal of a bushing just like a draw-lead bushing. For new applications, this would allow the transformer to be shipped with the connection in place, which saves thousands of dollars in field service work.

The PCORE quick link bushing has a unique design that transfers the current from the bottom terminal to the bushing giving the unit the same current-carrying capability as in a bottom-connected bushing. The bottom connector is a proven multiple contact design that provides safe, reliable operation even after 500 times of connect and disconnect operations. During short circuit, the design can carry up to 25 times the rated current (up to 100 kA).

The PCORE quick-link bushing has a one-piece conductor that carries the current and a lightweight, two-piece quick-link rod that makes installation and removal easy. Practically there is no current flowing through the internal rod which eliminates any issues such as loose or overheat that is associated with some other designs in the market the rely on the internal rod to carry the current.

The quick-link bushing is available from 25kV-69kV (1200A & 2000A) in both PRC and POC types. The quick-link is also available at 115kV (1200A & 2000A) & 138kV (1200A) in POC technology.

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