Abstract
This paper proposes a control algorithm for permanent magnet synchronous generator with a back-to-back three-level neutral-point clamped voltage source converter in a medium-voltage offshore wind power system under unbalanced grid conditions. The proposed control algorithm particularly compensates for the unbalanced grid voltage at the point of common coupling in a collector bus of offshore wind power system. This control algorithm has been formulated based on the symmetrical components in positive and negative rotating synchronous reference frames under generalized unbalanced operating conditions. Negative sequential component of ac input current is injected to the point of common coupling in the proposed control strategy. The amplitude of negative sequential component is calculated to minimize the negative sequential component of grid voltage at PCC under the limitation of current capability in a voltage source converter. The proposed control algorithm makes it possible to provide a balanced voltage at the point of common coupling resulting in the generated power of high quality from offshore wind power system under unbalanced network conditions.
| Original language | English |
|---|---|
| Title of host publication | APEC 2015 - 30th Annual IEEE Applied Power Electronics Conference and Exposition |
| Publisher | Institute of Electrical and Electronics Engineers Inc. |
| Pages | 1302-1309 |
| Number of pages | 8 |
| Edition | May |
| ISBN (Electronic) | 9781479967353 |
| DOIs | |
| State | Published - 2015.05.8 |
| Event | 30th Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2015 - Charlotte, United States Duration: 2015.03.15 → 2015.03.19 |
Publication series
| Name | Conference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC |
|---|---|
| Number | May |
| Volume | 2015-May |
Conference
| Conference | 30th Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2015 |
|---|---|
| Country/Territory | United States |
| City | Charlotte |
| Period | 15.03.15 → 15.03.19 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
Keywords
- converter
- PCC
- PMSG
- unbalanced grid
- wind power system
Quacquarelli Symonds(QS) Subject Topics
- Engineering - Electrical & Electronic
- Engineering - Petroleum
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