Method and device for forming anti-interference controller of energy router

Abstract

The invention provides a method and device for forming an anti-interference controller of an energy router, and the method comprises the steps: simulating the power change of the energy router through a nonlinear stochastic differential equation, and obtaining a nonlinear stochastic differential equation of an energy router power control system in multiple states; simulating system parameters through Markov jump; substituting a preset non-fragile controller into a nonlinear state equation, and obtaining a plurality of linear matrix inequalities corresponding to the plurality of states according to the H infinity control theory; solving the plurality of linear matrix inequalities, and obtaining the anti-interference controller, so as to enable the voltage of a DC bus in a microgrid system to be stable. The non-fragile anti-interference controller designed in the invention can enable the voltage of the DC bus in the microgrid system to be stable, and meets certain anti-interference performance. In other words, the voltage outputted by the energy router to the DC bus of a microgrid where the energy router is located can resist the interference from other parts of the microgrid system.

Description

technical field [0001] The invention relates to the technical field of power systems, in particular to a method and device for forming an anti-jamming controller of an energy router. Background technique [0002] Due to problems such as the global traditional fossil energy crisis and environmental pollution, the concept of Energy Internet has been proposed and has received extensive attention from academia and industry around the world. Among them, in 2008, the United States proposed to introduce advanced power electronics technology and information technology into the traditional power system at the same time. It is considered to realize the prototype of the Energy Internet at the distribution grid level. Under the vision of the future energy Internet, fossil energy will be gradually replaced by a variety of distributed renewable energy sources, including wind power generators (referred to as wind turbines), photovoltaic generators (referred to as photovoltaics), micro gas...

AI Technical Summary

Problems solved by technology

It is even more inappropriate for random systems

[0007] 2. Modeling with a steady system is too simple and idealized

[0009] 4. The traditional state feedback controller is too simple and idealized

The parameters of the traditionally designed controller itself may not be accurate enough, or there may be inevitable measurement errors in the system itself

They will cause system errors, crashes, and even burn

[0010] 5. The time-invariant parameter setting of the traditional model is unreasonable

In the energy Internet environment, the access of large-scale trams will lead to unstable jumps of load power up and down

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