DC-Link Stability Analysis and Controller Design for the Stacked Polyphase Bridges Converter
(English)In: IEEE Transactions on Power ElectronicsArticle in journal (Refereed) Accepted
The stacked polyphase bridges (SPB) converter consists of several submodules that all are connected in series to a voltage source. The total dc-link voltage should split in a balanced way among the submodules. This does not always occur inherently. This paper presents an analysis of the capacitor voltage stability for the SPB converter. From the analysis, criteria for stability are derived and three alternatives of a suitable balancing controller are designed. The proposed controller alternatives and their associated stability properties are verified on an experimental setup and by simulation.
Place, publisher, year, edition, pages
Balancing control, dc-link stability, integrated electric drive, modular converter.
Other Electrical Engineering, Electronic Engineering, Information Engineering
IdentifiersURN: urn:nbn:se:kth:diva-185042OAI: oai:DiVA.org:kth-185042DiVA: diva2:918153
QS 20162016-04-102016-04-102016-04-29Bibliographically approved