H - Electricity – 02 – J
Patent
H - Electricity
02
J
H02J 9/04 (2006.01) H02J 9/06 (2006.01)
Patent
CA 2143377
Abstract A system and method for providing an alternate AC voltage to an electrical load having a main AC voltage. The system and method include a signal generator for generating a main AC voltage signal representing the value of the main AC voltage, and a processor for processing the main AC voltage signal to determine a status of the main AC voltage, a main AC voltage failure time period, and a main AC voltage restoration time period. The system and method also include a control signal generator for generating a control signal in response to the main AC voltage signal, the main AC voltage failure time period, the main AC voltage restoration time period, and a pre-selected delay time period, and a switch for switching the electrical load between the main AC voltage and the alternate AC voltage in response to the control signal.
Green John D.
Hissong John B.
Sheka Gregory J.
Tan Ming D.
Thompson Michael L.
Holophane Corporation
Macrae & Co.
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