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PLL design for inverter grid connection: Simulations for ideal and non-ideal grid conditions
Uppsala University, Disciplinary Domain of Science and Technology.
2010 (English)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

In this report a phase locked loop (PLL) system for grid voltage phase tracking has been investigated. The grid voltage phase angle contains critical information for connecting a power plant, such as a wave energy converter, to the grid. A synchronous reference frame PLL system with PI-regulator gains calculated with the symmetrical optimum method has been designed and simulations in SIMULINK have been made. For ideal grid conditions the phase angle was tracked fast and accurate. For non-ideal conditions the phase angle was tracked but with less accuracy, due to slow dynamics of the system, but still within acceptable margins. In order to test this system further it has to be implemented in a control system and tested when connected to the grid.

Place, publisher, year, edition, pages
2010. , 43 p.
Series
TVE, 11 008
Keyword [en]
PLL, inverter, Phase locked loop, symmetrical optimum method
National Category
Other Engineering and Technologies
Identifiers
URN: urn:nbn:se:uu:diva-156145OAI: oai:DiVA.org:uu-156145DiVA: diva2:430787
Educational program
Master Programme in Engineering Physics
Presentation
2011-06-01, Å2002, Lägerhyddsvägen 1, UPPSALA, 15:00 (English)
Uppsok
Technology
Supervisors
Examiners
Available from: 2011-10-07 Created: 2011-07-12 Last updated: 2011-10-07Bibliographically approved

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CiteExportLink to record
Permanent link

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Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
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Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
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  • Other locale
More languages
Output format
  • html
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  • asciidoc
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