Power system dynamic equivalence method based on niche immune algorithm
An immune algorithm, dynamic equivalence technology, applied in the field of value, can solve problems such as the location and type of the disturbance of the coherent fleet, the poor global convergence of the genetic algorithm, and the large influence of the initial point, etc., to improve the global convergence and equivalence. Fast, optimized for fast effects
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[0031] Embodiments of the present invention will be described in further detail below in conjunction with the accompanying drawings.
[0032] A dynamic equivalent method of power system based on niche immune algorithm is an estimated equivalent method, which is an improved immune algorithm obtained after introducing niche technology into the immune algorithm. The method comprises the steps of:
[0033] 1. Disturbance is set inside the research system: In this embodiment, a three-phase short-circuit fault disturbance is set inside the research system, that is, a fault occurs at the first second, and the fault is removed at the third second.
[0034] 2. Measure the dynamic response of the tie line between the research system and the external system during the disturbance period to obtain the angle and amplitude of the bus voltage and the active power and reactive power transmitted by the tie line.
[0035] 3. The external system connected to the research system is equivalent to...
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