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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Timbus, A.V. Ciobotaru, M. Teodorescu, R. Blaabjerg, F. |
| Copyright Year | 2006 |
| Description | Author affiliation: Inst. of Energy Technol., Aalborg Univ., Aalborg East, Denmark (Timbus, A.V.; Ciobotaru, M.; Teodorescu, R.; Blaabjerg, F.) |
| Abstract | Due to its superior performance when regulating sinusoidal waveforms and the possibility to compensate for low order harmonics by means of harmonic compensator (HC), proportional resonant (PR) controller is a real alternative to the conventional proportional integral (PI) controller, when implemented in a grid connected system like distributed power generation systems (DPGS). Anyway, both PR and HC necessitate the resonant frequency value inside their internal model. Normally, the nominal value of the grid frequency and its multiples are used, but in the case when the grid frequency experiences fluctuations, the performance of both PR and HC is diminished. This paper discuss the possibility of improving the behavior of resonant controller and harmonic compensator in the case of grid frequency variations. The proposed solution makes use of the frequency information provided by the phase-locked loop (PLL) system already used in most of DPGS today. Experimental results are presented in order to validate the proposed solution and it shows to work very well. |
| File Size | 318083 |
| File Format | |
| ISBN | 0780395476 |
| DOI | 10.1109/APEC.2006.1620754 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2006-03-19 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Programmable control Adaptive control Resonance Control systems Distributed power generation Frequency Power system harmonics Pi control Proportional control Phase locked loops |
| Content Type | Text |
| Resource Type | Article |
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