A high reliability intelligent control method for power generation system

Abstract

The invention discloses a high-reliability intelligent control method for a power generation system. The intelligent control method uses a voltage regulator to stably regulate the voltage of a generator so as to guarantee stable voltage emitting; a predicting controller replaces a traditional current PI controller in the current regulation, the hysteresis characteristic of the traditional current PI controller is solved, and the band width and dynamic performance of the power generation system are improved; an SVM is combined with a four-legged converter to improve the system reliability, and the power generation system still can generate power normally under the open circuit or short circuit situation of a one-phase winding of the generator. The high-reliability intelligent control method for the power generation system is featured with quick dynamic response, stable voltage regulation, high reliability, intelligence and the like and suitable for the power generation fields which have high dynamic performance and reliability requirements.

Description

technical field [0001] The invention relates to the field of generator power generation control technology, in particular to a high-reliability intelligent control method for a power generation system. Background technique [0002] With the increasing development of power electronic technology and electric drive technology, generator power generation systems have been widely used, such as wind power generation, water conservancy power generation and so on. However, in recent years, with the continuous development of new energy and technology, many power generation occasions have put forward higher requirements on the dynamic performance and reliability of the generator power generation system. [0003] The current generator control method still has some shortcomings or needs to be improved: the voltage regulation is not stable enough during the power generation process; the current PI controller it uses has inherent hysteresis characteristics, which will affect the dynamic p...

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Problems solved by technology

[0003] At present, there are still some deficiencies or improvements to be made in the control method of generator power generation: the voltage regulation is not stable enough in the process of power generation; the current PI controller used in it has inherent hysteresis characteristics, which will affect the dynamic performance of the system and limit the system The increase of the bandwidth limits the response speed; the reliability of the control of the power generation system is poor. When the generator encounters a winding open circuit or a short circuit fault, it cannot perform stable and normal power generation, which seriously affects the power generation performance of the generator.

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