Referenced Items are not available for this document.
Electric power conversion is used when loads require a voltage with a different magnitude and frequency than the supplying grid. In most cases the power conversion is made in two steps: one rectifier and one converter. The design and operation of the rectifier is of great importance for the interaction with the utility grid. By using a Voltage-Source Converter with a controllable DC-link voltage, a higher power quality can be obtained than using a simple diode rectifier. In this paper, two designs of a DC-link-voltage controller are analyzed and tested. The parameter sensitivity, frequency response and load-disturbance rejection are investigated and compared. The response of the voltage controllers are also improved by utilizing feed forward. Both the measured DC- load current and a calculated DC-load current, obtained with an observer, are used. The performance of the controllers is evaluated through simulations and laboratory tests.
Published in:
Industry Applications Conference, 2007. 42nd IAS Annual Meeting. Conference Record of the 2007 IEEE
Date of Conference: 23-27 Sept. 2007
- Page(s):
- 1593 - 1600
- ISSN :
- 0197-2618
- E-ISBN :
- 978-1-4244-1260-0
- Print ISBN:
- 978-1-4244-1259-4
- INSPEC Accession Number:
- 9877680
- Conference Location :
- New Orleans, LA
- Digital Object Identifier :
- 10.1109/07IAS.2007.246
- Product Type:
- Conference Publications
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