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中文摘要：
提出一种基于广义基尔霍夫电流定律（GKCL）的系统拓扑跟踪新方法,该方法利用相量测量单元量测的支路电流、节点电压等同步相量数据,在划分网络树枝、连枝的基础上,通过判断是否满足GKCL来进行电气岛的快速准确判断,并采用在线跟踪与离线分析相结合的方式进一步保证快速性。以IEEE 9节点、IEEE 39节点系统进行了仿真验证,结果表明新算法能够准确快速地对电气岛分离情况进行判断,可以满足系统拓扑分析实时性的要求。
英文摘要：
A topology tracking method ＇based on the GKCL（Generalized Kirchhoff Current Law） is proposed, which uses the synchronous phasor data provided by PMUs（Phasor Measurement Units）,such as branch current and nodal voltage,identifies the conformance of network tree and link branches with GKCL to quickly and precisely detect the electrical islands. The combination of online tracking and offline analysis guarantees the real-time performance of the proposed method. Simulation results for IEEE 9-bus system and IEEE 39-bus system verify that the proposed method identifies the electrical islands precisely and quickly, satisfying the requirement of system topology analysis for real-time performance.
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