System for remotely controlling energy distribution at local sites
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United States of America Patent
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-
Jan 29, 2008
Grant Date -
Sep 22, 2005
app pub date -
Dec 14, 2004
filing date -
Jul 10, 2001
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A power management system and associated method includes provision of local wireless energy control units at remote sites for controlling power delivery to customer loads, and a central station with a wireless transmitter for broadcasting commands to the wireless energy control units. The wireless energy control units each comprise a bank of switches for controlling power delivery to electrical loads at each local site. The controllable switches preferably have a deformable bimetal member controlled by a heated coil for engaging and disengaging electrical contacts. Each wireless energy control unit is capable of being pre-configured so as to specify the order or priority in which electrical loads are disengaged, in response to commands to reduce power consumption received from the central station. The central station issues power reduction commands according to different priority levels or alert stages, causing the local wireless energy units to disengage local loads accordingly.
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