Load control method for realizing peak load shaving of power distribution network

Abstract

The invention discloses a load control method for realizing peak load shaving of a power distribution network. The method comprises the following steps of 1) obtaining a daily load curve according tothe actual operation conditions of a power grid; 2) for the obtained daily load curve, clustering the daily load curve through a fuzzy C-means clustering algorithm; separating a high energy consumption load curve and a heat storage load curve from the daily load curve; and 3) aiming at the high energy consumption load curve and the heat storage load curve in the step 2), transferring the high energy consumption load and the heat storage load to realize the load control of peak load shaving of the power distribution network. According to the present invention, (1) the problem solving mode is simple, and the engineering practical application is facilitated; and (2) by classifying the power loads, carrying out feature recognition on the high-energy-consumption loads and the heat storage loads, and carrying out controllable load transfer in the two loads, the peak load shaving of the power grid is realized; and (3) the power supply pressure of the power system in the second peak period iseffectively relieved, and meanwhile, a night power supply valley period load curve can be smoother.

Description

technical field [0001] The invention belongs to the field of power systems, and in particular relates to a load control-based peak regulation optimization method, that is, a flexible load intelligent dispatch method for reducing the "second peak" peak value of the power grid. Background technique [0002] The difficulty of peak regulation in the power system has always been a serious problem faced by power grid dispatching. In recent years, with the development of the economy, the electricity consumption of residents, non-industrial, commercial, and large industries has also increased year by year. The peak-to-valley difference in power load is increasing, and the maximum load utilization hours are also decreasing. At the same time, due to the country's vigorous development of renewable energy, the installed capacity of renewable energy in the power system has continued to increase, but the instability and anti-peaking characteristics of some distributed energy sources such...

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Problems solved by technology

[0003] The purpose of the present invention is to provide a load control method for realizing peak-shaving and valley-filling of distribution network. This method solves the problems of relatively complex practical application and high cost of power grid peak-shaving in the past. It is simple, feasible and convenient for engineering application

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