Source network load coordinated operation control method considering uncertainty of distributed power output

Abstract

The invention provides a source network load coordinated operation control method considering uncertainty of distributed power output. The method of the invention is directed to a distribution networkcontaining a large number of distributed power sources and flexible loads, for monitoring and collecting the distributed power output and load situation in the distribution network, and uploading thecollected data to a distribution network control center; in the event of power shortage, the operating state of the flexible load in the distribution network area is monitored and adjusted through asmart socket in connection with the flexible load to reach real-time power balance of the source network load, to compensate for the uncertainty of the distributed power output in the distribution network and to improve the safety and stability of the distribution network operation.

Description

technical field [0001] The invention belongs to the technical field of distribution network operation control, and in particular relates to a source-network-load coordinated operation control method considering the output uncertainty of distributed power sources. Background technique [0002] In recent years, in order to cope with climate change and energy crisis on a global scale, wind power, photovoltaic and other new energy power generation have developed rapidly, and a large number of distributed power generation units have been connected to the distribution network. However, the inherent uncertainty in the power output of intermittent renewable energy sources poses challenges to the security and stability of distribution networks. In the traditional power system, the power load is regarded as a passive system parameter, and the power source and the power grid side are passively adjusted according to the power consumption habits and behavior changes of users to maintain ...

AI Technical Summary

Problems solved by technology

However, the inherent uncertainty in the power output of intermittent renewable energy sources poses challenges to the security and stability of distribution networks

In the traditional power system, the power load is regarded as a passive system parameter, and the power source and the power grid side are passively adjusted according to the power consumption habits and behavior changes of users to maintain the power balance of the system by using the day-ahead scheduling plan and automatic power generation control. Due to the uncertainty of renewable energy output, the prediction accuracy is affected, and accurate and rapid power system energy management cannot be realized

[0003] In the current power system, in addition to conventional loads, the access of a large number of flexible loads such as air conditioners, water heaters, and electric vehicles provides the possibility to use the load side as an adjustable and controllable resource to effectively improve the regulation and control capabilities of the power system. Some power system real-time control methods have not fully explored the regulation potential of flexible loads, and the control is not flexible enough to meet the development needs of future smart grids.

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