Load scheduling method and device

Abstract

The embodiment of the invention discloses a load scheduling method. The method comprises the steps: obtaining a daily load prediction curve; calculating a total predicted load at each moment in the daily load prediction curve according to the predicted load; taking a condition that the sum of the output power of the generator at all moments is equal to the total predicted load as a first constraint condition; taking a condition that the sum of the load reduction amounts at all moments is equal to the sum of the load recovery quantities as a second constraint condition; taking a power flow equation corresponding to a single moment as a third constraint condition according to the predicted load of the single moment; taking the output power constraint of a generator as a fourth constraint condition; taking the bus voltage constraint as a fifth constraint condition; performing optimization by taking a total cost function combining the load reduction cost and the power generation cost as anobjective function to obtain an optimization result; scheduling the generator and load translation at the same time according to an optimization result. The scheduling method solves the problem thatan existing power market operation mode does not have a scheduling method considering load translation and does not provide opportunities for load translation for users.

Description

technical field [0001] The present application relates to the technical field of electric power market, in particular to a load dispatching method and device. Background technique [0002] The power market usually includes three parties: electricity sales companies, users, and power plants. Among them, the electricity sales company acts as a "bridge" between power plants and users, and sells electricity to users after purchasing electricity from power plants. [0003] The price of electricity is closely related to the period of electricity consumption. During the peak period of electricity consumption, the price of electricity is usually higher, while in the period of low electricity consumption, the price of electricity is relatively much lower. The reason why the electricity price is related to the user's electricity consumption habits is that during the peak period of electricity consumption by many people, a larger output power of the generator is required, and the cost ...

AI Technical Summary

Problems solved by technology

[0005] The embodiment of this application provides a load scheduling method and device, which solves the existing power market operation mode. There is no scheduling method that considers load shifting, and does not provide users with the opportunity to perform load shifting.

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