Modulation monitor and control

Details Modulation monitor and control Modulation monitor and control

2009-02-04

2011-11-08

Paladini, Albert W (Department: 2836)

Electrical transmission or interconnection systems

Plural load circuit systems

Selectively connected or controlled load circuits

Reexamination Certificate

active

08053925

ABSTRACT:
A system and method are provided for monitoring and controlling voltage modulation on a power grid, in order to maintain closed-loop control of the grid. The power grid has a plurality of connections including used and unused connections. A detector is configured to detect a modulation voltage on the power grid. A controller is configured to receive signals from the detector, and to control connections to the power grid. The controller disables power to unused connections in accordance with the modulation voltage exceeding a first threshold and disables power to used connections in accordance with the modulation voltage exceeding a second threshold; used connections are disabled one at a time at a first time interval each for a period given by a second time interval. The controller also restores power to the connections in accordance with the detected modulation voltage being less than a third threshold.

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