Safety and stability control system and method based on real-time decision-real-time control mode

Abstract

The invention provides a real-time decision-real-time control mode-based safe and stable control system ("on-line real-time stable control system" for short). The system adopts an implicit fine integration method, a lesser degree minimum active precursor node number optimization algorithm, a multi-channel set sparse vector method, generator node voltage prediction, an on-line dynamic equivalence algorithm, an ultra-real-time transient stability simulation algorithm of an early termination calculation algorithm, as well as a power vacancy line searching algorithm, and a real-time stable controldecision algorithm for system damping characteristic distinguishing, instability energy and comprehensive sensitivity; and an adaptive control strategy rapid optimization algorithm and a high-speed communication technology are adopted for different instability types, so that a safe and stable control system of a "real-time decision-real-time control" mode is realized, and accurate closed-loop self-adaptive stable control is completed according to the real-time running state and fault information of a power grid.

Description

technical field

[0001] The invention designs a safety and stability control system and a control method based on a "real-time decision-making and real-time control" mode, and belongs to the technical field of power system safety and stability control. Background technique

[0002] The security and stability control system is the second line of defense to ensure the safe and stable operation of the power grid, and it is implemented according to the control strategy during actual operation. According to the different technical routes adopted by the control strategy, the decision-making methods of the safety and stability control system are divided into three types:

[0003] (1) Offline decision-making, real-time matching

[0004] The technicians use offline simulation software (such as BPA, PSASP, etc.) to perform a large number of simulation calculations based on the expected fault set to form an offline strategy table, which is then programmed by the developers of the stabi...

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