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首页> 外文期刊>IEEE Transactions on Industrial Electronics >Performance of a Sensorless Controlled Concentrated-Wound Interior Permanent-Magnet Synchronous Machine at Low and Zero Speed
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Performance of a Sensorless Controlled Concentrated-Wound Interior Permanent-Magnet Synchronous Machine at Low and Zero Speed

机译：低速和零速无传感器控制集中绕组内部永磁同步电机的性能

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This paper concerns the sensorless direct torque and flux control (DTFC) of a 14-pole/18-slot, fractional-slot concentrated winding interior permanent-magnet synchronous machine (IPMSM). The dynamic performance of the prototype machine at or near base speed was found to be comparable to a distributed wound IPMSM. However, the lowest operating speed of the machine under sensorless control scheme was only about 30% of the base speed. This paper demonstrates experimentally that this lack of performance can be overcome substantially by using the extended-flux linkage model and high-frequency (HF) injection methods. By using the extended-flux model, the lowest operable speed was reduced from 30% to 5% of the base speed. In order to operate the machine, at a standstill under sensorless control, the HF injection method was employed. Factors that affect the performance at zero speed were investigated systematically.
机译：本文涉及14极/ 18槽，分数槽集中绕组内部永磁同步电机（IPMSM）的无传感器直接转矩和磁通控制（DTFC）。发现原型机在基本速度或接近基本速度时的动态性能与分布式伤口IPMSM相当。但是，在无传感器控制方案下，机器的最低运行速度仅为基本速度的30％左右。本文通过实验证明，使用扩展磁链模型和高频（HF）注入方法可以基本上克服这种性能不足。通过使用扩展通量模型，最低运行速度从基本速度的30％降低到5％。为了操作机器，在无传感器控制的静止状态下，使用了HF注入方法。系统地研究了影响零速性能的因素。

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