Abstract
In the case of a coastal power system with high wind power integration, the frequent occurrence of typhoons may threaten the structural safety of the network and induce rapid ramp events of wind power. This article proposes a dispatch strategy for a power system with high wind power integration under a typhoon environment, comprehensively considering the phenomena and problems that occur in real typhoon disasters. First, the fragility curve of the tower is modeled considering the joint effects of wind and rain. Second, a filtering technique is adopted to enhance the effects of the high outage probability towers on network reliability. Third, a wind power curtailment strategy that restricts the extremely rapid ramp of wind power during typhoons is developed. Finally, both the curtailment strategy of wind power and the structural failure of the network are incorporated into the risk-based dispatch strategy during typhoon events. Analysis of the test system validates that the proposed dispatch strategy can improve the resilience of power systems during typhoons. Furthermore, the proposed method can also be used in other scenarios under extreme weather conditions, such as ice coating in power networks in which structural failures also occur frequently.
Published Version
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