Sensorless Starting Control of the Brushless Synchronous Starter/Generator Based on Rotor Current Characteristics of the Main Exciter

IF 6.5 1区工程技术 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC IEEE Transactions on Power Electronics Pub Date : 2024-12-20 DOI:10.1109/TPEL.2024.3520818

Chongzhao Ma;Shuai Mao;Guangzhao Luo;Weiguo Liu;Ziqun Guo;Lefei Ge

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Abstract

The unique characteristics of the main exciter (ME) in the brushless synchronous starter/generator (BSSG) have been extensively studied to achieve sensorless starting control. However, the existing methods face drawbacks such as insufficient dynamic performance, complex demodulation processes, and estimation phase delays. In this article, the dynamic characteristics of ME rotor currents are analyzed and summarized quantitatively. Based on these characteristics, a novel sensorless starting control method is proposed. First, a position detection method of signal reconstruction is established. The rotor position can be derived from the complex dynamic features of estimated ME rotor currents. Meanwhile, a parameter estimation method for ME at a standstill is proposed by utilizing the current characteristic in the commutation interval. With this method, the stator parameters of ME can be estimated with a single

$\alpha $

-axis voltage and current, removing the restriction of the commutation mode of rotating rectifier in ME parameter estimation. Finally, the sensorless starting control of BSSG is realized with the proposed methods.

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基于主励磁机转子电流特性的无刷同步起动/发电机无传感器起动控制

为了实现无刷同步起动/发电机（BSSG）的无传感器起动控制，人们对主励磁器（ME）的独特特性进行了广泛的研究。然而，现有方法存在动态性能不足、解调过程复杂、估计相位延迟等缺点。本文对ME转子电流的动态特性进行了定量分析和总结。基于这些特点，提出了一种新的无传感器起动控制方法。首先，建立了一种信号重构的位置检测方法。转子位置可以从估计的ME转子电流的复杂动态特征中得到。同时，利用换相区间内的电流特性，提出了一种静止状态下电机参数估计方法。该方法可以利用单$\ α $轴电压和电流估计ME定子参数，消除了旋转整流器换相方式对ME参数估计的限制。最后，利用所提出的方法实现了BSSG的无传感器起动控制。

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来源期刊

IEEE Transactions on Power Electronics 工程技术-工程：电子与电气

CiteScore

15.20

自引率

20.90%

发文量

1099

审稿时长

3 months

期刊介绍： The IEEE Transactions on Power Electronics journal covers all issues of widespread or generic interest to engineers who work in the field of power electronics. The Journal editors will enforce standards and a review policy equivalent to the IEEE Transactions, and only papers of high technical quality will be accepted. Papers which treat new and novel device, circuit or system issues which are of generic interest to power electronics engineers are published. Papers which are not within the scope of this Journal will be forwarded to the appropriate IEEE Journal or Transactions editors. Examples of papers which would be more appropriately published in other Journals or Transactions include: 1) Papers describing semiconductor or electron device physics. These papers would be more appropriate for the IEEE Transactions on Electron Devices. 2) Papers describing applications in specific areas: e.g., industry, instrumentation, utility power systems, aerospace, industrial electronics, etc. These papers would be more appropriate for the Transactions of the Society which is concerned with these applications. 3) Papers describing magnetic materials and magnetic device physics. These papers would be more appropriate for the IEEE Transactions on Magnetics. 4) Papers on machine theory. These papers would be more appropriate for the IEEE Transactions on Power Systems. While original papers of significant technical content will comprise the major portion of the Journal, tutorial papers and papers of historical value are also reviewed for publication.