Two-Step Rotor Position Estimation Method for Doubly Salient Electromagnetic Starter-Generator Over Zero and Low Speeds Range

Zhou, Xingwei; Zhang, Bo; Wang, Kaimiao; Zhang, Li; Zhao, Youqun

doi:10.1109/jestpe.2020.2991112

Cited by 12 publications

(7 citation statements)

References 26 publications

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“…As shown in Fig. 1, the development of power semiconductor devices has gone through four critical stages [1][2][3][4] . Since the invention of the thyristor in the 1950s, semiconductor devices based on Si materials have occupied a dominant position in power electronic devices owing to their important material resources, low production cost, and simple manufacturing process.…”

Section: Comparison Of Si and Wbg Devicesmentioning

confidence: 99%

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A review of WBG and Si devices hybrid applications

Zhang

Zheng

Lou

2021

Chin. J. Electr. Eng.

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In recent years, next-generation power semiconductor devices, represented by silicon carbide (SiC) and gallium nitride (GaN), have gradually emerged. Because wide-bandgap (WBG) devices have better electrical characteristics than those of silicon (Si) based devices, they have attracted increased attention both from academic researchers and industrial engineers. Employing WBG devices will further improve the efficiency and power density of power converters. However, the current price of WBG devices remains extremely high. Thus, some researches have focused on the hybrid utilization of WBG devices and Si-based devices to achieve a tradeoff between the performance and cost. To summarize the current research on WBG/Si hybrid applications, the issues mentioned above with representative research approaches, results, and characteristics, are systematically reviewed. Finally, the current research on WBG/Si hybrid applications and their future trends are discussed.

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Section: Comparison Of Si and Wbg Devicesmentioning

confidence: 99%

“…Power converters have been widely used in wind and photovoltaic (PV) power generations, multi-electric aircraft, electric transmission, and hybrid electric vehicles [1][2][3][4][5] . A high efficiency, high power density, and low cost are always the primary requirements of power converters [6][7][8] .…”

Section: Introductionmentioning

confidence: 99%

A review of WBG and Si devices hybrid applications

Zhang

Zheng

Lou

2021

Chin. J. Electr. Eng.

Self Cite

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“…The high-speed sensorless drive has been relatively mature [13][14][15][16], while the detected signal has a low signal-to-noise ratio at zero or low-speed range. For doubly salient reluctance machine low-speed sensorless drive, modulation method [17][18], sense coil method [19][20], current waveform method [21][22] and pulse injection method [23][24][25][26][27][28][29][30] are typical strategies. In the modulation method, by injecting a high-frequency detection signal into the idle phase through an oscillator, the modulated signal is detected by the demodulation circuit, and a switching circuit is required [17][18].…”

Section: Introductionmentioning

confidence: 99%

“…While the communication delay is inevitable because of the discrete detection. To ease this issue, reducing detection time is a potential strategy [28][29][30]. According to the present conduction state, a single detection pulse is injected, and its resultant current amplitude is compared with that of the acceleration current consuming the same time to determine whether the rotor has reached the next sector [28].…”

Section: Introductionmentioning

confidence: 99%

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Comparative Analysis and Optimization of Novel Pulse Injection Sensorless Drive Methods for Fault-Tolerant DC Vernier Reluctance Machine

Wang

Zhao

Niu

et al. 2022

IEEE Trans. Power Electron.

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Multiphase DC-Excited Vernier reluctance machine (DC-VRM) exhibits the merits of robust structure, small torque ripple and good fault-tolerant ability. Developing advanced sensorless drive methods can further promote its application in the safety-critical system. In this paper, pulse injection sensorless drive methods are optimized in a 6-phase DC-VRM parallel Hbridge drive system to strengthen their acceleration performance and fault-tolerant ability. The acceleration performance studied in this article corresponds to the acceleration speed during the startup stage. By the full-phase alternative pulse injection method (APIM), each phase can be excited independently to avoid mutual inductance influence on position estimation, but this method suffers from a long communication delay and relatively poor acceleration performance. A reduced-phase alternative pulse injection method (APIM) can reduce detection time, but the lack of detected phase may influence position estimation accuracy and fault-tolerant ability. To solve these problems, a novel vertical-axis synchronous pulse injection method (SPIM) is proposed and compared with previous methods in this paper. The key is to inject detection pulses into vertical-axis phases simultaneously, thus reducing the detection time and improving the torque generation. It is proved that the influence of mutual inductance on position estimation can be ignored, and the detection accuracy and acceleration performance can be improved without deterioration of fault-tolerant ability.

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