Remotely programmable electronic trip system

Details Remotely programmable electronic trip system Remotely programmable electronic trip system

H - Electricity

02

H

H02H 3/00 (2006.01) H02J 9/00 (2006.01) H02J 13/00 (2006.01)

Patent

CA 2101849

2101849 9312566 PCTABS00023 A remotely programmable breaker unit (100) for use in breaking current within a three phase current path (16) according to remotely programmable operating parameters is provided. Breaker unit (100) comprises a microcomputer (120) coupled between the current path and a trip solenoid (112) to programmably control trip parameter sent to and from a remote programmer (20). Breaker units are interconnected via a single zone selective interlocking (ZSI) line (18) to provide ZSI communication between the breaker units within an entire trip system (10). A method of remotely programming ground fault trip characteristics and short circuit trip characteristics in a trip system is also provided.

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