Presented herein is the sequentially controlled distributed solar-array power system with maximum power tracking (MPT). The power system controller sequentially activates sufficient solar-array sourced dc-dc converter power-processing channels, of which paralleled-outputs supply power to a common load. A "shared-bus" current-sharing method utilizing distributed MPT control is employed to regulate parallel-connected current-mode converters dedicated to each power channel. Among the activated solar-array power channels, the most recently activated channel provides output bus voltage regulation while the previously activated channels are operated in MPT mode. The remaining inactive power channels consume negligible power resulting in lower component temperatures and improved overall long-term system reliability. Through modeling and simulation of a three-channel MPT power system, the sequentially controlled architecture and control concept are validated.
Sequentially controlled distributed solar-array power system with maximum power tracking
2004 IEEE Aerospace Conference Proceedings (IEEE Cat. No.04TH8720) ; 4 ; 2774-2783 Vol.4
01.01.2004
870188 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
8.0302 Sequentially Controlled Distributed Solar-Array Power System with Maximum Power Tracking
British Library Conference Proceedings | 2004
|Maximum Power Point Tracking for Solar PV System
British Library Conference Proceedings | 2012
|