CAJ | 학술논문

黑启动方案对非“全黑”停电场景的针对性和有效性存在不足。为此，提出一种电力系统恢复控制在线决策方法：兼顾可用发电容量裕度及同期并网点位置等因素，采用深度优先搜索法划分停电区域，并运用粗糙集理论的综合优势度评判方法使停电子区与恢复策略匹配。建立符合系统恢复特征的电源出力模型；在此基础上，考虑重要负荷快速恢复、网内机组发电份额和系统稳定等因素，设计恢复控制的2
흑계동방안대비“전흑”정전장경적침대성화유효성존재불족。위차，제출일충전력계통회복공제재선결책방법：겸고가용발전용량유도급동기병망점위치등인소，채용심도우선수색법화분정전구역，병운용조조집이론적종합우세도평판방법사정전자구여회복책략필배。건립부합계통회복특정적전원출력모형；재차기출상，고필중요부하쾌속회복、망내궤조발전빈액화계통은정등인소，설계회복공제적2
There is insufficiency in the pertinence and effectiveness of black-start scheme used for non-overall blackout scene. Therefore, an online decision-making method for power system restoration control is proposed. Simultaneously considering the factors such as available generating capacity margin and the position of synchronization points, the outage areas are divided by depth first searching (DFS) and the comprehensive dominance calculation in rough set theory is utilized to make outage subareas matching with restoration strategy. Power source output models conforming to system restoration characteristics are built, on this basis, considering such factors as rapidly restoring important load, the generation share of units within the grid and system stability, a two-stage multi-objective optimization model for restoration control is designed. In view of the feature that the restoration process is naturally discretized by time intervals for dispatching and control, the proposed model is solved by dynamic programming. Simulation results of actual power grid show that the proposed method is feasible and effective, and it can provide decision-making reference for system operator to cope with blackout.