H - Electricity – 02 – J
Patent
H - Electricity
02
J
H02J 13/00 (2006.01)
Patent
CA 2069689
ABSTRACT ON-LINE CARRIER CURRENT REMOTE TRANSMISSION DEVICE DESIGNED FOR CONTROL AND MONITORING OF AN ELECTRICAL POWER DISTRIBUTION SYSTEM, NOTABLY MEDIUM VOLTAGE The invention relates to a remote transmission device for automation of an electrical power distribution system comprising pilot and slave means of communication by on-line carrier currents using by capacitive coupling the lines of the power system as transmission support for exchange of information and orders to a plurality of breaking devices. Depending on the priority code of the modems, on the level of the received signal, and on the open or closed position of certain breaking devices, the transmission device breaks down automatically into several disunited subsystems each containing a source substation to which a communication zone is assigned, whose boundaries in normal operating conditions are formed by open line switches. In emergency operating conditions after an incident on the power system, the modems of the means of communication modify the boundaries of the communication zones by means of the configuration of the coupling circuit which can be in a first by-pass state or in a second dual coupling state.
Perez Andre
Teyssandier Christian
Verdier Jean-Marc
Gerin Merlin
Robic
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