Research on Control Strategy of Grid-connected Brushless Doubly-fed Wind Power System Based on Virtual Synchronous Generator Control

被引：4
|
作者：
Liang, Shuai [1 ]
Jin, Shi [1 ]
Shi, Long [1 ]
机构：
[1] Shenyang Univ Technol, Shenyang 110870, Peoples R China
来源：
CES TRANSACTIONS ON ELECTRICAL MACHINES AND SYSTEMS | 2022年 / 6卷 / 04期
基金：
中国国家自然科学基金;
关键词：
Reactive power; Simulation; Power control; Wind power generation; Power system stability; Stability analysis; Reluctance generators; Virtual synchronous generator; Brushless doubly-fed relutance generator; Grid support ability; Voltage source control;
D O I：
10.30941/CESTEMS.2022.00052
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The brushless doubly-fed wind power system based on conventional power control strategies lacks 'inertia' and the ability to support grid, which leads to the decline of grid stability. Therefore, a control strategy of brushless doubly-fed reluctance generator (BDFRG) based on virtual synchronous generator (VSG) control is proposed to solve the problem in this paper. The output characteristics of BDFRG based on VSG are similar to a synchronous generator (SG), which can support the grid frequency and increase the system 'inertia'. According to the mathematical model of BDFRG, the inner loop voltage source control of BDFRG is derived. In addition, the specific structure and parameter selection principle of outer loop VSG control are expounded. The voltage source control inner loop of BDFRG is combined with the VSG control outer loop to establish the overall architecture of BDFRG-VSG control strategy. Finally, the effectiveness and feasibility of the proposed strategy are verified in the simulation.
引用
收藏
页码：404 / 412
页数：9
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