Electricity: electrical systems and devices – Safety and protection of systems and devices – Feeder protection in distribution networks
Patent
1990-12-19
1992-11-17
Stephan, Steven L.
Electricity: electrical systems and devices
Safety and protection of systems and devices
Feeder protection in distribution networks
361 81, 307 38, 307115, 340639, H02H 300
Patent
active
051648750
ABSTRACT:
An addressable relay module is provided for controlling a plurality of relay outputs associated with an electronic circuit breaker system using a trip unit for monitoring system functions or network parameters. The relay module is linked to a multi-drop serial communications network through which data pertaining to system functions is relayed to and from a communications microcontroller which controls the operational status of relay contacts linked thereto. The microcontroller addresses specific ones of associated relay outputs in accordance with address information contained within the network data. The addressable relay module effectively maps the plurality of relay contact outputs linked thereto to a corresponding plurality of network device parameters received through the multi-drop network.
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patent: 4686630 (1987-08-01), Marsland
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Farrington Ronald L.
Haun Andy A.
Tessmer Earl J.
Berhane Adolf
Crawford Robert J.
Irfan Kareem M.
Square D Company
Stephan Steven L.
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