FEEDBACK CONTROL FOR PARALLEL POWER CONVERTER SYNCHRONIZATION

FEEDBACK CONTROL FOR PARALLEL POWER CONVERTER SYNCHRONIZATION

A system (10) and method includes parallel power converters (12a, 12b), at least one current sensor (18a-18c), and a first feedback control circuit (28a). A first power converter (12a) is configured to convert a first input power to a first output power, and is controlled using pulse width modulatio...

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Hauptverfasser: Albiol-Tendillo Laura, Rosado, Sebastian, Valdivia Guerrero, Virgilio
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Sprache:eng ; fre ; ger
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APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS
CONTROL OR REGULATION THEREOF
CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
GENERATION
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creator Albiol-Tendillo Laura
Rosado, Sebastian
Valdivia Guerrero, Virgilio
description A system (10) and method includes parallel power converters (12a, 12b), at least one current sensor (18a-18c), and a first feedback control circuit (28a). A first power converter (12a) is configured to convert a first input power to a first output power, and is controlled using pulse width modulation having a first switching period. One or more second power converters (12b) are connected in parallel with the first power converter and configured to convert a second input power to a second output power. The first output power and the second output power are provided to a load. The at least one current sensor (18a-18c) is positioned to sense first output current of the first output power, and the first feedback control circuit (28a) is configured to calculate a first metric based on the first sensed current at each of a plurality of first edges of each half switching period of the first switching period, and at intermediate points between each of the plurality of first edges. The first feedback control circuit (28a) is configured to adjust the first switching period based upon the first metric.
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A first power converter (12a) is configured to convert a first input power to a first output power, and is controlled using pulse width modulation having a first switching period. One or more second power converters (12b) are connected in parallel with the first power converter and configured to convert a second input power to a second output power. The first output power and the second output power are provided to a load. The at least one current sensor (18a-18c) is positioned to sense first output current of the first output power, and the first feedback control circuit (28a) is configured to calculate a first metric based on the first sensed current at each of a plurality of first edges of each half switching period of the first switching period, and at intermediate points between each of the plurality of first edges. 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subjects APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS
CONTROL OR REGULATION THEREOF
CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
GENERATION
title FEEDBACK CONTROL FOR PARALLEL POWER CONVERTER SYNCHRONIZATION
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