Research on a power smoothing control strategy for energy storage hydraulic wind turbines

被引：3

作者：

Gao, Wei ^{[1
]}

Zhang, Yankang ^{[2
]}

Zhang, Lin ^{[1
]}

Ai, Chao ^{[1
]}

Chen, Lijuan ^{[2
]}

机构：

[1] Yanshan Univ, Sch Mech Engn, Qinhuangdao, Peoples R China

[2] Nanjing Inst Technol, Nanjing, Peoples R China

来源：

ENERGY SCIENCE & ENGINEERING | 2023年 / 11卷 / 03期

基金：

中国国家自然科学基金;

关键词：

energy storage system; feedback linearization method; hydraulic system; power smoothing control; wind power generation; GENERATION; SYSTEM;

D O I：

10.1002/ese3.1375

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

To solve the problem of large output power fluctuations in wind turbines and improve grid adaptability, a hydraulic energy storage system is introduced in traditional hydraulic wind turbines. Based on the working principle of energy storage hydraulic wind turbines, an energy storage hydraulic wind turbine state space model is established, and the feedback linearization method is introduced to solve the multiplication nonlinear problem in the modeling process. The output power is taken as the control output, and the torque compensation controller is established with the feedback linearization method. The displacement of the variable displacement pump motor is controlled to realize hydraulic energy storage system energy charging and discharging, and the wind turbine output power smoothing control is realized with the fluctuating wind speed. The power smoothing control strategy is verified with the 24 kW energy storage hydraulic wind turbines semi-physical simulation experimental platform. The proposed control strategy lays the groundwork for the wide application of the energy storage hydraulic wind turbines.

引用

页码：989 / 1004

页数：16

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