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Unified Analysis of Single Machine Equivalent and Trajectory Sensitivity to Formulate a Novel Transient Stability-constrained Optimal Power Flow Approach

机译:统一分析单机当量和轨迹灵敏度,以建立一种新的暂态稳定约束最优潮流算法

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摘要

This article proposes a new transient stability constraint that permits quantifying the degree of instability of a power system from the active power dispatched by generators. Based on this constraint, which is derived from both single machine equivalent and trajectory sensitivity methods, a new transient stability-constrained optimal power flow is formulated in the Euclidian space to preventively control the transient stability in realistic power systems. The validity and the effectiveness of the proposed method are numerically demonstrated in the WSCC 3-machine, 9-bus and Mexican 46-machine, 190-bus systems.
机译:本文提出了一种新的暂态稳定约束条件,该约束条件允许根据发电机分配的有功功率来量化电力系统的不稳定程度。基于从单机等效方法和轨迹灵敏度方法得出的这一约束,在欧几里得空间中制定了一种新的暂态稳定约束的最优潮流,以预防性地控制现实电力系统中的暂态稳定性。该方法的有效性和有效性在WSCC 3机9总线和Mexican 46机190总线系统中得到了数值验证。

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