Cluster computing method for online emergency control strategy for transient safety stability of power system

A transient security, stability, and emergency control technology, applied in computing, electrical components, circuit devices, etc., can solve problems such as increased complexity of power grid dynamic characteristics and difficult calculation speed to meet engineering requirements

Active Publication Date: 2013-11-20
NANJING NARI GROUP CORP +2
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Problems solved by technology

[0002] In the past ten years, the online emergency control system developed based on the transient safety and stability emergency control framework of "online pre-decision and real-time matching" has been applied in many power grids at home and abroad, but with the increase of grid scale and the dynamic characte

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  • Cluster computing method for online emergency control strategy for transient safety stability of power system
  • Cluster computing method for online emergency control strategy for transient safety stability of power system
  • Cluster computing method for online emergency control strategy for transient safety stability of power system

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Embodiment Construction

[0042] The present invention will be described in further detail below with reference to the accompanying drawings and examples.

[0043] figure 1 Step 1 in the above describes that based on the real-time cross-sectional data of the power grid, for the faults covered by the safety control system, the quantitative evaluation of transient security and stability without considering the control measures is carried out, and the transient security and stability parameters of the power grid at this time are obtained. The transient security Stability parameters include transient power angle stability margin η a , transient voltage safety and stability margin η v , transient frequency offset safety margin η f , safety margin for transient frequency drop and safety margin for transient frequency rise, as well as generator grouping and its participation factors for the trajectory-dominant mode of transient power angle stability, and transient voltage safety and stability weak busbar and i

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Abstract

The invention discloses a cluster computing method for an online emergency control strategy for the transient safety stability of power system, belonging to the technical field of emergency control of the power system. Computing of the online emergency control strategy is divided into the stages that the emergency control strategy for transient power-angle stability is first computed; and based on searched optimization control strategy, voltage and frequency of the emergency control strategy for the transient safety stability are computed. According to the above technical scheme, the online emergency-control optimization strategy for the transient safety stability of a large power grid can be rapidly searched.

Description

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Claims

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Application Information

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Owner NANJING NARI GROUP CORP
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