A Power Flow Generating Method for Power System Day-Ahead Operation Schedule Validation

Yi Lin, Hong-bin Sun, Wen-chuan Wu, Jun Yu, and Bo-ming Zhang


Day-ahead schedule, security validation, schedule power flow, predictor-corrector interior method


It is necessary to perform security validation for large-scale power system’s day-ahead operation schedules, which involves static security, dynamic and transient stability evaluation. It is a fundamental task and great challenge to generate AC power flow snapshots which should comply with the operation schedules. This paper presents a novel method to generate day-ahead scheduled power flow. The problem is formulated as an optimization model with constrains and solved by active/reactive power decoupled method in this paper. Numerical results of IEEE test system and real power system show that the proposed method is feasible and practical.

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