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Styrning av serieresonanskrets med PLL: Control of a series resonant circuit with a PLL
Linnaeus University, Faculty of Technology, Department of Physics and Electrical Engineering.
2013 (Swedish)Independent thesis Basic level (university diploma), 10 credits / 15 HE creditsStudent thesis
Abstract [sv]

Svenska

Examensarbetet har som mål att ta fram en lösning för ett styrsystem för styrning av en helbrygga i en mätkrets. Mätkretsen ska styras i resonans, för att mäta effektförlust i en transformator. Arbetet har gjorts i samarbete med Alstom i Växjö. I examensarbetet har en PLL (Phase Locked Loop) som styrsystem undersökts. PLL:en består av tre delar, en fasdetektor, en charge pump och en VCO (voltage controlled oscillator).

Både PLL:en och mätkretsen har simulerats och kopplats för sig. De har även satts ihop. Frekvensen och matningsspänningen skilde sig mellan simulering och mätning, men funktionaliteten kunde visas.

Nyckelord: PLL, fasdetektor, charge pump, VCO, helbrygga, push-pull, transformator och serieresonans.

Abstract [en]

English

The thesis aims to develop a solution for a control system for controlling a full bridge in a measuring circuit. The measuring circuit shall govern in resonance to measure the power loss in a transformer. Work has been done in collaboration with Alstom in Växjö. In the thesis has a PLL (Phase Locked Loop) that controls investigated. The PLL consists of three parts: a phase detector, a charge pump and a VCO (voltage controlled oscillator).

Both the PLL and measuring circuit has been simulated and linked separately. They have been put together. The frequency and supply voltage differed between simulation and measurement, but the functionality was demonstrated.

Place, publisher, year, edition, pages
2013. , 57 p.
Keyword [en]
PLL, Phase detector, charge pump, VCO, full bridge, push-pull, transformer and series resonance.
Keyword [sv]
PLL, fasdetektor, charge pump, VCO, helbrygga, push-pull, transformator och serieresonans.
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:lnu:diva-26812OAI: oai:DiVA.org:lnu-26812DiVA: diva2:630669
Subject / course
Electrical Engineering
Educational program
Electrical Engineering Programme, 180 credits
Presentation
(Swedish)
Supervisors
Examiners
Available from: 2013-07-04 Created: 2013-06-19 Last updated: 2013-07-04Bibliographically approved

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CiteExportLink to record
Permanent link

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Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf