Distribution network maintenance load transfer method integrating distributed power supply and flexible load

Abstract

The invention relates to a power distribution network maintenance load transfer method for fused distributed power supplies and flexible loads. According to the power distribution network maintenance load transfer method for the fused distributed power supplies and the flexible loads, when a power distribution network is maintained, the sum of the deliverable power of all distributed power supplies in areas in power failure caused by maintenance is compared with the sum of the total power of load inside the areas in power failure, the total load of the flexible loads inside the areas in power failure and the capacity margin of primary support feeder lines connected with all the areas in power failure, a power supply recovery manner is determined according to comparative results, and the output power of each distributed power supply and the load capacity of the optimal flexible load needing to be cut are determined by using an optimal tide model after the power supply recovery manner is determined, so that the optimal tide of a load transfer strategy is obtained. The method realizes high-speed decision of a load optimal transfer scheme, so that the load transfer capacity when the power distribution network is maintained is improved, and the load loss is reduced.

Description

technical field [0001] The invention relates to a method, in particular to a distribution network maintenance load transfer method integrating distributed power sources and flexible loads, and belongs to the technical field of power system automation. Background technique [0002] Today, when people are actively looking for and developing alternative clean energy sources to solve the energy crisis, the development of clean energy power generation systems is of great significance. Clean energy power generation systems are generally connected to the grid in the form of Distributed Generation (DG), which refers to small-scale power generation that is installed near users. Sometimes this form of power generation is also used to meet special user needs or to improve load power supply reliability and power quality. [0003] However, the access of distributed power makes the distribution network change from a traditional "passive" network to an "active" or even "multi-source" dist...

AI Technical Summary

Problems solved by technology

Distributed power generation brings greater difficulties to the daily maintenance of distribution network

If there is a lack of daily maintenance of the distribution network, the distribution network with a relatively fragile network structure will be more vulnerable to the impact of a large number of distributed power sources, and even affect the normal power supply of the distribution network.

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