2020
DOI: 10.1049/iet-gtd.2019.1800
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Protection schemes and settings of DC distribution systems

Abstract: Flexible DC distribution system has become the research and development trend of the future distribution network with its unique advantages such as high efficiency and flexibility. However, the DC fault identification and protection is challenging due to the fact that the short-circuit current provided by converters is limited and last for a very short period, how to identify and isolate faults reliably using limited fault transient information becomes a serious problem faced by system protection. Based on the… Show more

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Cited by 2 publications
(1 citation statement)
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“…[10] analysed the problems caused by the short circuit current variation characteristics after DFIG crowbar protection action on the performance of distance protection action, but did not provide specific response strategies. [11][12] conducted research on the impact of new energy integration on distance protection phase selection elements, and provided basic conclusions that traditional current sudden variable phase selection elements are difficult to apply. [13] proposes a new method for current sudden variable phase selection based on the background of crowbar protection action after a fault, but this method is not applicable when the crowbar protection does not operate.…”
Section: Introductionmentioning
confidence: 99%
“…[10] analysed the problems caused by the short circuit current variation characteristics after DFIG crowbar protection action on the performance of distance protection action, but did not provide specific response strategies. [11][12] conducted research on the impact of new energy integration on distance protection phase selection elements, and provided basic conclusions that traditional current sudden variable phase selection elements are difficult to apply. [13] proposes a new method for current sudden variable phase selection based on the background of crowbar protection action after a fault, but this method is not applicable when the crowbar protection does not operate.…”
Section: Introductionmentioning
confidence: 99%