EN高速开关磁阻风力发电机功率变换器与MPPT控制
高速开关磁阻风力发电机功率变换器与MPPT控制
- 太阳能学报 2025年46卷第6期 页码：567-575
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DOI：doi:10.19912/j.0254-0096.tynxb.2024-0267
中图分类号： TM315-
网络出版：2025-07-07，
纸质出版：2025
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孙冠群, 吕易儒, 王新刚, 等. 高速开关磁阻风力发电机功率变换器与MPPT控制[J]. 太阳能学报, 2025,46(6):567-575.
孙冠群, 吕易儒, 王新刚, et al. 高速开关磁阻风力发电机功率变换器与MPPT控制[J]. 2025, 46(6): 567-575.
孙冠群, 吕易儒, 王新刚, 等. 高速开关磁阻风力发电机功率变换器与MPPT控制[J]. 太阳能学报, 2025,46(6):567-575. DOI： doi:10.19912/j.0254-0096.tynxb.2024-0267.
孙冠群, 吕易儒, 王新刚, et al. 高速开关磁阻风力发电机功率变换器与MPPT控制[J]. 2025, 46(6): 567-575. DOI： doi:10.19912/j.0254-0096.tynxb.2024-0267.
摘要
针对变速风电工况下开关磁阻发电机（SRG）变励磁电压最大功率点跟踪（MPPT）控制问题
该文探究直接控制SRG发电阶段相电流、开关角不固定时多变量控制以及高速运行和连续导通模式（CCM）有效性等问题。首先提出一种SRG新型功率变换器
由强励直升压主电路和可变励磁电压励磁电路组成
详述其工作过程并推导出SRG相关数学模型
分析相关理论特征。控制策略方面
提出一种基速以下全域单变量励磁电压扰动的MPPT控制方法
给出新型励磁电压扰动模型
除励磁阶段外
在新型功率变换器支撑下实现了发电阶段也可通过励磁电压变换进而直接调节相电流;开关角控制策略方面
给出开通角和关断角跟随转速自动在线快速线性调节的控制模型。从而将传统可控的多个变量耦合后仅由励磁电压作为单一变量实施MPPT控制
基速以上引入桨距角控制恒功率输出
全工作区域内的检测量仅为转子位置（转速）和功率。通过仿真与实验
并与已有两种变励磁电压MPPT结果进行比较
验证高速CCM运行下新型功率变换器与控制策略的有效性。
Abstract
Aiming atthe maximum power point tracking （MPPT） of Variable excitation voltage control problem of switched reluctance generator （SRG） under variable speed wind power generation conditions is discussed in this article. In order to explore the phase current problem of direct control SRG generation stage
the multivariable control problem when the switching angle is not fixed
and the effectiveness of high-speed operation and continuous conduction mode （CCM） are explored in this article. Firstly
a new type of SRG power converter is proposed
which is composed of a forced excitation direct voltage rise main circuit and a variable excitation voltage excitation circuit. Its working process is described in detail
and the relevant mathematical model of SRG is derived
and the relevant theoretical characteristics are analyzed. In terms of control strategy
a global single variable excitation voltage disturbance method below base speed is proposed as MPPT control method
and a new excitation voltage disturbance model is given. In addition to the excitation stage
the phase current can be directly adjusted through excitation voltage transformation in the generation stage under the support of the new power converter; In the aspect of switch angle control strategy
the control model of automatic on-line fast linear regulation of turn-on angle and turn-off angle with speed is given. Thus
after coupling multiple traditional controllable variables
MPPT control is implemented only with the excitation voltage as a single variable. Pitch angle is introduced to control constant power output above base speed. The detection quantity in the whole working area is only rotor position （speed） and power. The effectiveness of the new power converter and control strategy under high-speed CCM operation is verified by simulation and experiment
and compared with the results of two existing variable excitation voltage MPPT.
关键词
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references
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