Evaluation Method and Probabilistic Index of Voltage Sag Severity Considering Point-on-wave
The impact of voltage sag on sensitive devices is related to the time when the sag occurs. However, the point-on-wave of a sag is uncertain. Therefore, this paper presents a novel approach to evaluate the voltage sag severity considering a random point-on-wave. First, the uncertainty of equipment ma...
| Main Authors: | , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
IEEE
2021-01-01
|
| Series: | Journal of Modern Power Systems and Clean Energy |
| Subjects: | |
| Online Access: | https://ieeexplore.ieee.org/document/9237071/ |
| _version_ | 1819081794941616128 |
|---|---|
| author | Guopei Wu Qing Zhong Qizhang He Zhong Xu |
| author_facet | Guopei Wu Qing Zhong Qizhang He Zhong Xu |
| author_sort | Guopei Wu |
| collection | DOAJ |
| description | The impact of voltage sag on sensitive devices is related to the time when the sag occurs. However, the point-on-wave of a sag is uncertain. Therefore, this paper presents a novel approach to evaluate the voltage sag severity considering a random point-on-wave. First, the uncertainty of equipment malfunction is revealed. Second, under a given residual voltage, the relationship between the point-on-wave and the duration that the device can withstand is described with a fitting curve. Third, a voltage sag probabilistic index is proposed to describe the severity. The evaluation procedure is also presented. Finally, three types of releasers are tested and analyzed to determine the effectiveness of the proposed method. The evaluation method can help instruct electrical engineers establish more well-grounded sag mitigation proposals. |
| first_indexed | 2024-12-21T20:06:27Z |
| format | Article |
| id | doaj.art-4c827b40eef04ab099ed79431da8da91 |
| institution | Directory Open Access Journal |
| issn | 2196-5420 |
| language | English |
| last_indexed | 2024-12-21T20:06:27Z |
| publishDate | 2021-01-01 |
| publisher | IEEE |
| record_format | Article |
| series | Journal of Modern Power Systems and Clean Energy |
| spelling | doaj.art-4c827b40eef04ab099ed79431da8da912022-12-21T18:51:49ZengIEEEJournal of Modern Power Systems and Clean Energy2196-54202021-01-019363363810.35833/MPCE.2019.0004709237071Evaluation Method and Probabilistic Index of Voltage Sag Severity Considering Point-on-waveGuopei Wu0Qing Zhong1Qizhang He2Zhong Xu3Guangzhou Power Supply Bureau Cooperation,Guangzhou,ChinaSchool of Electric Power, South China University of Technology,Guangzhou,ChinaSchool of Electric Power, South China University of Technology,Guangzhou,ChinaGuangzhou Power Supply Bureau Cooperation,Guangzhou,ChinaThe impact of voltage sag on sensitive devices is related to the time when the sag occurs. However, the point-on-wave of a sag is uncertain. Therefore, this paper presents a novel approach to evaluate the voltage sag severity considering a random point-on-wave. First, the uncertainty of equipment malfunction is revealed. Second, under a given residual voltage, the relationship between the point-on-wave and the duration that the device can withstand is described with a fitting curve. Third, a voltage sag probabilistic index is proposed to describe the severity. The evaluation procedure is also presented. Finally, three types of releasers are tested and analyzed to determine the effectiveness of the proposed method. The evaluation method can help instruct electrical engineers establish more well-grounded sag mitigation proposals.https://ieeexplore.ieee.org/document/9237071/Voltage sagevaluation methodseverity indexprobabilistic index |
| spellingShingle | Guopei Wu Qing Zhong Qizhang He Zhong Xu Evaluation Method and Probabilistic Index of Voltage Sag Severity Considering Point-on-wave Journal of Modern Power Systems and Clean Energy Voltage sag evaluation method severity index probabilistic index |
| title | Evaluation Method and Probabilistic Index of Voltage Sag Severity Considering Point-on-wave |
| title_full | Evaluation Method and Probabilistic Index of Voltage Sag Severity Considering Point-on-wave |
| title_fullStr | Evaluation Method and Probabilistic Index of Voltage Sag Severity Considering Point-on-wave |
| title_full_unstemmed | Evaluation Method and Probabilistic Index of Voltage Sag Severity Considering Point-on-wave |
| title_short | Evaluation Method and Probabilistic Index of Voltage Sag Severity Considering Point-on-wave |
| title_sort | evaluation method and probabilistic index of voltage sag severity considering point on wave |
| topic | Voltage sag evaluation method severity index probabilistic index |
| url | https://ieeexplore.ieee.org/document/9237071/ |
| work_keys_str_mv | AT guopeiwu evaluationmethodandprobabilisticindexofvoltagesagseverityconsideringpointonwave AT qingzhong evaluationmethodandprobabilisticindexofvoltagesagseverityconsideringpointonwave AT qizhanghe evaluationmethodandprobabilisticindexofvoltagesagseverityconsideringpointonwave AT zhongxu evaluationmethodandprobabilisticindexofvoltagesagseverityconsideringpointonwave |