Determining Region Boundaries of Critical Commutation Failures in Multi-Infeed HVDC Systems Under Unbalanced Short Circuit Faults
This paper presents a region boundaries determination method for critical commutation failures (CF) in multi-infeed high-voltage direct-current (HVDC) systems under unbalanced short circuit faults. By using the nodal impedance matrix, a calculation approach for the converter extinction angles is ded...
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Frontiers Media S.A.
2021-04-01
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Online Access: | https://www.frontiersin.org/articles/10.3389/fenrg.2021.635010/full |
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doaj-d68cf10731ae4aa0931b587c67f7200e2021-04-26T05:06:50ZengFrontiers Media S.A.Frontiers in Energy Research2296-598X2021-04-01910.3389/fenrg.2021.635010635010Determining Region Boundaries of Critical Commutation Failures in Multi-Infeed HVDC Systems Under Unbalanced Short Circuit FaultsGuoqing LiSong ZhangShuguang LiXianchao LiuXintong LiuThis paper presents a region boundaries determination method for critical commutation failures (CF) in multi-infeed high-voltage direct-current (HVDC) systems under unbalanced short circuit faults. By using the nodal impedance matrix, a calculation approach for the converter extinction angles is deduced. First, the extinction angles under unbalanced short circuit faults are calculated. If the extinction angle of a bus is less than the minimum extinction angle, the bus is a failed bus set. By this means, region boundaries of critical commutation failures are demarcated by examining each bus in the AC system. Finally, the effectiveness of the proposed approach was verified by using a modified IEEE 39-bus system.https://www.frontiersin.org/articles/10.3389/fenrg.2021.635010/fullcommutation failuremuti-infeed HVDCextinction anglethree-phase short circuit faultunbalanced short circuit fault |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Guoqing Li Song Zhang Shuguang Li Xianchao Liu Xintong Liu |
spellingShingle |
Guoqing Li Song Zhang Shuguang Li Xianchao Liu Xintong Liu Determining Region Boundaries of Critical Commutation Failures in Multi-Infeed HVDC Systems Under Unbalanced Short Circuit Faults Frontiers in Energy Research commutation failure muti-infeed HVDC extinction angle three-phase short circuit fault unbalanced short circuit fault |
author_facet |
Guoqing Li Song Zhang Shuguang Li Xianchao Liu Xintong Liu |
author_sort |
Guoqing Li |
title |
Determining Region Boundaries of Critical Commutation Failures in Multi-Infeed HVDC Systems Under Unbalanced Short Circuit Faults |
title_short |
Determining Region Boundaries of Critical Commutation Failures in Multi-Infeed HVDC Systems Under Unbalanced Short Circuit Faults |
title_full |
Determining Region Boundaries of Critical Commutation Failures in Multi-Infeed HVDC Systems Under Unbalanced Short Circuit Faults |
title_fullStr |
Determining Region Boundaries of Critical Commutation Failures in Multi-Infeed HVDC Systems Under Unbalanced Short Circuit Faults |
title_full_unstemmed |
Determining Region Boundaries of Critical Commutation Failures in Multi-Infeed HVDC Systems Under Unbalanced Short Circuit Faults |
title_sort |
determining region boundaries of critical commutation failures in multi-infeed hvdc systems under unbalanced short circuit faults |
publisher |
Frontiers Media S.A. |
series |
Frontiers in Energy Research |
issn |
2296-598X |
publishDate |
2021-04-01 |
description |
This paper presents a region boundaries determination method for critical commutation failures (CF) in multi-infeed high-voltage direct-current (HVDC) systems under unbalanced short circuit faults. By using the nodal impedance matrix, a calculation approach for the converter extinction angles is deduced. First, the extinction angles under unbalanced short circuit faults are calculated. If the extinction angle of a bus is less than the minimum extinction angle, the bus is a failed bus set. By this means, region boundaries of critical commutation failures are demarcated by examining each bus in the AC system. Finally, the effectiveness of the proposed approach was verified by using a modified IEEE 39-bus system. |
topic |
commutation failure muti-infeed HVDC extinction angle three-phase short circuit fault unbalanced short circuit fault |
url |
https://www.frontiersin.org/articles/10.3389/fenrg.2021.635010/full |
work_keys_str_mv |
AT guoqingli determiningregionboundariesofcriticalcommutationfailuresinmultiinfeedhvdcsystemsunderunbalancedshortcircuitfaults AT songzhang determiningregionboundariesofcriticalcommutationfailuresinmultiinfeedhvdcsystemsunderunbalancedshortcircuitfaults AT shuguangli determiningregionboundariesofcriticalcommutationfailuresinmultiinfeedhvdcsystemsunderunbalancedshortcircuitfaults AT xianchaoliu determiningregionboundariesofcriticalcommutationfailuresinmultiinfeedhvdcsystemsunderunbalancedshortcircuitfaults AT xintongliu determiningregionboundariesofcriticalcommutationfailuresinmultiinfeedhvdcsystemsunderunbalancedshortcircuitfaults |
_version_ |
1721508937453273088 |