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Stretchable and retractable hysteresis loop sliding-mode automatic power generation control method

A technology of automatic power generation control and hysteresis loop, applied in the fields of fan control, automatic voltage control, and automatic power generation control, can solve problems such as discontinuity and steps, and achieve strong anti-disturbance ability, fast response speed and strong adaptability Effect

Active Publication Date: 2019-03-19
GUANGXI UNIV
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Problems solved by technology

But in the traditional sliding mode controller, this change is step and discontinuous

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  • Stretchable and retractable hysteresis loop sliding-mode automatic power generation control method
  • Stretchable and retractable hysteresis loop sliding-mode automatic power generation control method
  • Stretchable and retractable hysteresis loop sliding-mode automatic power generation control method

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Embodiment Construction

[0020] A scalable hysteresis loop sliding mode automatic power generation control method proposed by the present invention is described in detail in conjunction with the accompanying drawings as follows:

[0021] figure 1 It is a comparison diagram between the sliding mode control method of the method of the present invention and the hysteresis loop sliding mode control method. figure 1 The left figure is a sliding mode control method based on relay characteristics, and the right figure is a hysteresis loop sliding mode control method. Compared with the sliding mode control method based on relay characteristics, the hysteresis loop sliding mode control method has smoother control and is closer to the actual power system, and the control output of the hysteresis loop sliding mode control method is more accurate and the control performance is better. . The controller designed based on the hysteresis loop sliding mode control method has strong anti-interference ability, can mak...

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Abstract

The invention provides a stretchable and retractable hysteresis loop sliding-mode automatic power generation control method, which has good robustness and a good anti-interference ability, and can beapplied to an actual interconnected power system with nonlinearity and uncertainty. A stretchable and retractable sliding-mode control frame provided by the invention can continuously adjust parameters according to an input, and a hysteresis loop is correspondingly smoothly stretched and retracted according to the change of the input and has adaptability. The adaptive coefficient of the control frame is obtained by training a neural network. A slack operation ensures that a power generation command can satisfy unit constraints. The stretchable and retractable hysteresis loop sliding-mode controller has fast output response, can control a power system in real time, and can replace a traditional load frequency controller.

Description

technical field [0001] The invention belongs to the field of automatic power generation control of electric power systems, and proposes a scalable hysteresis loop sliding mode control method, which can be applied to automatic power generation control, automatic voltage control, fan control and other fields. Background technique [0002] With the increasing capacity of power sources and the inter-regional interconnection of power grids, the scale and complexity of power systems continue to increase. Oscillation in a certain area of ​​the interconnected power system may cause great changes in the power flow of the entire system, so appropriate measures need to be taken to ensure the safe and stable operation of the system. Automatic generation control is of great significance for maintaining frequency stability and is an important control means to ensure the stable operation of power systems. [0003] The power system is a nonlinear system. With the integration of new energy...

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Application Information

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IPC IPC(8): H02J3/00H02J3/46
CPCH02J3/00H02J3/46H02J2203/20
Inventor 殷林飞李晟源赵陆林张斌王涛高奇
Owner GUANGXI UNIV
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