Electrical transmission or interconnection systems – Plural load circuit systems – Selectively connected or controlled load circuits
Reexamination Certificate
2007-09-13
2010-06-22
Tran, Thuy Vinh (Department: 2821)
Electrical transmission or interconnection systems
Plural load circuit systems
Selectively connected or controlled load circuits
C713S330000
Reexamination Certificate
active
07741732
ABSTRACT:
Power distribution systems that have a limited peak power capability or a high source impedance, such as site supply generators, are often susceptible to abnormal operation in response to the current drawn at power up from the loads connected to the power distribution system. The present invention provides a method of configuring a lighting control system to power up a plurality of the lighting loads in sequence to reduce stress on the power distribution system. The lighting control system includes a plurality of load control devices for controlling the electrical loads. The method comprising the steps of enabling a startup-delay mode in the load control devices, and determining a startup sequence having a plurality of event times for the electrical loads to turn on after the power distribution system has stabilized. A graphical user interface may be used to create a database defining the operation of the startup sequence.
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Lutron Application Note # 106, Emergency Lighting Systems, 2003, Lutron Electronics, Co. Inc. 10 pages.
Black Richard L.
Hnatow Joel
Orchowski Neil
Petrella Jason P.
Valenta Brian R.
Lutron Electronics Co. Inc.
Tran Thuy Vinh
Woodcock & Washburn LLP
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