An Improved Method for Compensating Moment of Inertia of Wind Turbine Simulator Based on Deviation Suppression

Abstract

The invention discloses a wind turbine simulator rotational inertia compensation improving method based on deviation inhibition. According to the method, the problem that when current wind turbine simulators (WTS) simulate a wind turbine with the large rotational inertia, instability will happen is solved. Through the deviation inhibition link based on a first-order digital low pass filter, divergence deviation components of the WTS rotational inertia compensation link are restrained. According to the method, the problem that when the WTS simulates the wind turbine with the rotational inertia exceeding that of an experimental facility by two times, instability will happen is solved, the stability range of the WTS is expanded, and the WTS can stably simulate the wind turbine with the large rotational inertia.

Description

technical field

[0001] The invention belongs to the field of wind turbine simulators, in particular to an improved method for compensating the rotational inertia of a wind turbine simulator based on deviation suppression. Background technique

[0002] Because it is very difficult and time-consuming to carry out field experiments on actual wind turbines, the Wind Turbine Simulator (WTS), as an experimental device that can simulate wind turbines in experiments, has an effect close to that of on-site wind turbines, and has become a very important aspect of wind power research. experimental tools.

[0003] The difficulty of WTS simulating a wind turbine is that the moment of inertia of the experimental platform is much smaller than that of the actual wind turbine. The commonly used solution is to add a dynamic torque compensation branch to compensate the moment of inertia, so as to realize the simulation of the large moment of inertia wind turbine by the small moment of inertia...

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