Apparatus and methods for controllable networks to vary inter-stage power transfer in a multi-stage power conversion system

Apparatus and methods for controllable networks to vary inter-stage power transfer in a multi-stage power conversion system

Apparatus and methods for controllable networks to vary inter-stage power transfer in a multi-stage power conversion system are disclosed herein. By using controllable networks (111-113) within the first power converter stage (102), intermediate power delivered to a subsequent or second power conver...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Mayell, Robert J, Wang, Yueming
Format: Patent
Sprache:eng
Schlagworte:
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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Zusammenfassung:Apparatus and methods for controllable networks to vary inter-stage power transfer in a multi-stage power conversion system are disclosed herein. By using controllable networks (111-113) within the first power converter stage (102), intermediate power delivered to a subsequent or second power converter stage (104) can be varied so that the multi-stage power conversion system (100) may respond to a full load step while offering improved light load power conversion efficiency. A power estimation circuit (122) within the second power converter stage (104) can provide a control signal (C1-CN) to each of the controllable networks (111-113); the controllable networks (111-113), in turn, can provide network signals (SI, S2) to control the intermediate power delivered to the second power converter stage (104).