Power control for a printer fuser

st rd nd nd st nd nd rd A system for delivering desired magnitudes of AC power to a load. A three-cycle power mode includes a 1and 3cycle in which either no AC power, or full power, is delivered to the load, and a 2cycle in which an AC switch is triggered at a desired phase angle to deliver the desi...

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Main Authors Cook, William Paul, Day, Michael Charles, McIntire, Wesley David
Format Patent
LanguageEnglish
Published 03.07.2012
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Abstract st rd nd nd st nd nd rd A system for delivering desired magnitudes of AC power to a load. A three-cycle power mode includes a 1and 3cycle in which either no AC power, or full power, is delivered to the load, and a 2cycle in which an AC switch is triggered at a desired phase angle to deliver the desired increments of AC power during the 2cycle. AC power is delivered in each cycle in a manner to provide a net zero DC offset in the AC current delivered to the load. A two-cycle mode can be achieved by using the 1and 2cycle, or by using the 2and 3cycles to optimize power delivery performance. A multi-cycle power delivery system can employ both the three-cycle and the two-cycle modes together to minimize the harmonic content during delivery of various power levels.
AbstractList st rd nd nd st nd nd rd A system for delivering desired magnitudes of AC power to a load. A three-cycle power mode includes a 1and 3cycle in which either no AC power, or full power, is delivered to the load, and a 2cycle in which an AC switch is triggered at a desired phase angle to deliver the desired increments of AC power during the 2cycle. AC power is delivered in each cycle in a manner to provide a net zero DC offset in the AC current delivered to the load. A two-cycle mode can be achieved by using the 1and 2cycle, or by using the 2and 3cycles to optimize power delivery performance. A multi-cycle power delivery system can employ both the three-cycle and the two-cycle modes together to minimize the harmonic content during delivery of various power levels.
Author Cook, William Paul
McIntire, Wesley David
Day, Michael Charles
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References Cao et al. (6111230) 20000800
(2001265155) 20010900
(1302817) 20030400
Hirst (6847016) 20050100
Kishimoto (5669038) 19970900
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Title Power control for a printer fuser
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