In this paper a compensation strategy based on a particular Custom Power System (CUPS) device, the Unified Power Quality Compensator (UPQC) has been proposed. A customized internal control scheme of the UPQC device was developed to regulate the voltage in the WF terminals, and to mitigate voltage fluctuations at grid side. The voltage regulation at WF terminal is conducted using the UPQC series converter, by voltage injection “in phase” with point of common coupling (PCC) voltage. On the other hand, the shunt converter is used to filter the WF generated power to prevent voltage fluctuations, requiring active and reactive power handling capability. The sharing of active power between converters is managed through the common DC link. Therefore the internal control strategy is based on the management of active and reactive power in the series and shunt converters of the UPQC, and the exchange of power between converters through UPQC DC–Link. This approach increases the compensation capability of the UPQC with respect to other custom strategies that use reactive power only. The proposed compensation scheme enhances the system power quality, exploiting fully DC–bus energy storage and active power sharing between UPQC converters, features not present in DVR and D–STATCOM compensators. Simulations results show the effectiveness of the proposed compensation strategy for the enhancement of Power Quality and Wind Farm stability.
Published in | American Journal of Energy Engineering (Volume 1, Issue 1) |
DOI | 10.11648/j.ajee.20130101.12 |
Page(s) | 11-21 |
Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
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Copyright © The Author(s), 2013. Published by Science Publishing Group |
Cups, Upqc, Pcc, Dc Link, Wind Farm, Power Quality Etc
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APA Style
Jyothilal Nayak Bharothu, AbduL Arif. (2013). Method for Enhancement of Power Quality at Point of Common Coupling of Wind Energy System. American Journal of Energy Engineering, 1(1), 11-21. https://doi.org/10.11648/j.ajee.20130101.12
ACS Style
Jyothilal Nayak Bharothu; AbduL Arif. Method for Enhancement of Power Quality at Point of Common Coupling of Wind Energy System. Am. J. Energy Eng. 2013, 1(1), 11-21. doi: 10.11648/j.ajee.20130101.12
AMA Style
Jyothilal Nayak Bharothu, AbduL Arif. Method for Enhancement of Power Quality at Point of Common Coupling of Wind Energy System. Am J Energy Eng. 2013;1(1):11-21. doi: 10.11648/j.ajee.20130101.12
@article{10.11648/j.ajee.20130101.12, author = {Jyothilal Nayak Bharothu and AbduL Arif}, title = {Method for Enhancement of Power Quality at Point of Common Coupling of Wind Energy System}, journal = {American Journal of Energy Engineering}, volume = {1}, number = {1}, pages = {11-21}, doi = {10.11648/j.ajee.20130101.12}, url = {https://doi.org/10.11648/j.ajee.20130101.12}, eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajee.20130101.12}, abstract = {In this paper a compensation strategy based on a particular Custom Power System (CUPS) device, the Unified Power Quality Compensator (UPQC) has been proposed. A customized internal control scheme of the UPQC device was developed to regulate the voltage in the WF terminals, and to mitigate voltage fluctuations at grid side. The voltage regulation at WF terminal is conducted using the UPQC series converter, by voltage injection “in phase” with point of common coupling (PCC) voltage. On the other hand, the shunt converter is used to filter the WF generated power to prevent voltage fluctuations, requiring active and reactive power handling capability. The sharing of active power between converters is managed through the common DC link. Therefore the internal control strategy is based on the management of active and reactive power in the series and shunt converters of the UPQC, and the exchange of power between converters through UPQC DC–Link. This approach increases the compensation capability of the UPQC with respect to other custom strategies that use reactive power only. The proposed compensation scheme enhances the system power quality, exploiting fully DC–bus energy storage and active power sharing between UPQC converters, features not present in DVR and D–STATCOM compensators. Simulations results show the effectiveness of the proposed compensation strategy for the enhancement of Power Quality and Wind Farm stability.}, year = {2013} }
TY - JOUR T1 - Method for Enhancement of Power Quality at Point of Common Coupling of Wind Energy System AU - Jyothilal Nayak Bharothu AU - AbduL Arif Y1 - 2013/03/10 PY - 2013 N1 - https://doi.org/10.11648/j.ajee.20130101.12 DO - 10.11648/j.ajee.20130101.12 T2 - American Journal of Energy Engineering JF - American Journal of Energy Engineering JO - American Journal of Energy Engineering SP - 11 EP - 21 PB - Science Publishing Group SN - 2329-163X UR - https://doi.org/10.11648/j.ajee.20130101.12 AB - In this paper a compensation strategy based on a particular Custom Power System (CUPS) device, the Unified Power Quality Compensator (UPQC) has been proposed. A customized internal control scheme of the UPQC device was developed to regulate the voltage in the WF terminals, and to mitigate voltage fluctuations at grid side. The voltage regulation at WF terminal is conducted using the UPQC series converter, by voltage injection “in phase” with point of common coupling (PCC) voltage. On the other hand, the shunt converter is used to filter the WF generated power to prevent voltage fluctuations, requiring active and reactive power handling capability. The sharing of active power between converters is managed through the common DC link. Therefore the internal control strategy is based on the management of active and reactive power in the series and shunt converters of the UPQC, and the exchange of power between converters through UPQC DC–Link. This approach increases the compensation capability of the UPQC with respect to other custom strategies that use reactive power only. The proposed compensation scheme enhances the system power quality, exploiting fully DC–bus energy storage and active power sharing between UPQC converters, features not present in DVR and D–STATCOM compensators. Simulations results show the effectiveness of the proposed compensation strategy for the enhancement of Power Quality and Wind Farm stability. VL - 1 IS - 1 ER -