The Resource Addressing control and capacitor voltage regulation challenges in multilevel power electronic converters, by Hossein Sepahvand

Addressing control and capacitor voltage regulation challenges in multilevel power electronic converters, by Hossein Sepahvand

Label
Addressing control and capacitor voltage regulation challenges in multilevel power electronic converters
Title
Addressing control and capacitor voltage regulation challenges in multilevel power electronic converters
Statement of responsibility
by Hossein Sepahvand
Creator
Author
Subject
Language
eng
Summary
Multilevel power electronic converters are the current industry solutions for applications that demand medium voltage, reasonable efficiency, and high power quality. The proper operation of these types of power converters requires special control, modulation methods, and capacitor voltage regulation techniques. Both developing capacitor voltage regulation methods and addressing their associated issues with such fall within the primary focus of this dissertation. In this dissertation an investigation was conducted on the capacitor voltage regulation constraints in cascaded H-bridge multilevel converters with a staircase output voltage waveform. In the proposed method, the harmonic elimination technique is used to determine the switching angles. A constraint was then derived to identify modulation those indices that lead to voltage regulation of the capacitor. This constraint can be used in optimization problems for harmonic minimization to guarantee capacitor voltage regulation in these types of converters. Furthermore, a capacitor voltage regulation method was developed using redundant state selection for a flying capacitor active rectifier. This method reduces the number of switching instances by using both online and offline state selection procedure. Additionally, a start-up procedure is proposed that pre-charges the all of capacitors in the rectifier to both avoid overstressing the switches and obtain a smoother start-up. Finally, a flexible capacitor voltage regulation method is proposed that provides the ability to control the voltage of the capacitors in both cascaded H-bridge and hybrid multilevel converters. In this method, the capacitor voltage in each individual H-bridge cell is independently regulated by controlling the active power of each cell
Member of
Cataloging source
UMR
http://library.link/vocab/creatorName
Sepahvand, Hossein
Degree
Ph.D.
Dissertation year
2012.
Granting institution
Missouri University of Science and Technology
Illustrations
illustrations
Index
no index present
Literary form
non fiction
Nature of contents
  • dictionaries
  • bibliography
  • theses
http://library.link/vocab/subjectName
  • Electric current converters
  • Electric current rectifiers
  • Capacitors
  • Electric inverters
Label
Addressing control and capacitor voltage regulation challenges in multilevel power electronic converters, by Hossein Sepahvand
Instantiates
Publication
Note
Vita
Bibliography note
Includes bibliographic references
Carrier category
online resource
Carrier category code
  • cr
Carrier MARC source
rdacarrier.
Content category
text
Content type code
  • txt
Content type MARC source
rdacontent.
Control code
828860717
Extent
1 online resource (xii, 111 pages)
Form of item
online
Media category
computer
Media MARC source
rdamedia.
Media type code
  • c
Other physical details
illustrations (some color)
Specific material designation
remote
System control number
(OCoLC)828860717
Label
Addressing control and capacitor voltage regulation challenges in multilevel power electronic converters, by Hossein Sepahvand
Publication
Note
Vita
Bibliography note
Includes bibliographic references
Carrier category
online resource
Carrier category code
  • cr
Carrier MARC source
rdacarrier.
Content category
text
Content type code
  • txt
Content type MARC source
rdacontent.
Control code
828860717
Extent
1 online resource (xii, 111 pages)
Form of item
online
Media category
computer
Media MARC source
rdamedia.
Media type code
  • c
Other physical details
illustrations (some color)
Specific material designation
remote
System control number
(OCoLC)828860717

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