Device for controlling the electrical power supply of a pluralit

Details Device for controlling the electrical power supply of a pluralit Device for controlling the electrical power supply of a pluralit

1991-01-29

1993-03-30

Gaffin, Jeffrey A.

Electrical transmission or interconnection systems

Plural load circuit systems

Control of current or power

307 101, H02J 100

Patent

active

051986973

ABSTRACT:
Device for the electrical power supply of a plurality of local electrical apparatuses (12) from a single source (1), including a central bistable switch (3) connected between a terminal of the source and the power supply lines (4) of the apparatuses (12) and a central resistor (7) connected in parallel with said central switch (3), each apparatus (12) including a local resistor (8) and at least one control switch (9) in series between its power supply line (4) and the second terminal of the source, each local resistor (8) forming, together with the central resistor (7), a divider bridge connected to a central detector (10) which controls said central switch (3). Each apparatus (12) comprises means for isolating it from its power supply line (4), means for cancelling the current in the local resistor (8) and means for detecting the closure of the central switch (3) which controls the closure of the isolating means and the opening of the current cancelling means when the central switch closes.

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