Analysis and Fault-Tolerant Control for Dual-Three-Phase PMSM Based on Virtual Healthy Model

Zheng, Boyuan; Zou, Jibin; Li, Bingjun; Tang, Mi; Xu, Yongxiang; Zanchetta, Pericle

doi:10.1109/tpel.2022.3199100

Cited by 20 publications

(2 citation statements)

References 41 publications

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“…Substituting the phase voltages into (2), the voltage in dq-z1z2 subspace is independent of uon and can be expressed directly from the PWM voltage in (5). The two summation terms in (5) represent fundamental/baseband harmonics and carrier/sideband harmonics, respectively.…”

Section: B Carrier Frequency Harmonic Analysis In Dtp-pmsm System Wit...mentioning

confidence: 99%

“…In addition to the advantages mentioned above, it has less torque pulsation when operating. So it is suitable for applications in moreelectric aircrafts and electrified transportation [3][4][5][6]. The DTP-PMSMs have two sets of three-phase windings shifting 30 electrical degrees with separated neutral points and their lowest torque ripple is 12th, compared to the 6th in conventional three-phase PMSM thus suppressing the torque ripple.…”

Section: Introductionmentioning

confidence: 99%

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High-Frequency Current Harmonic Analysis and Suppression in Dual Three-Phase PMSMs With Advanced Carrier Phase-Shift PWM

Zheng,

Zou,

et al. 2024

IEEE Trans. Power Electron.

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Carrier frequency current harmonic peaks induced by Pulse Width Modulation (PWM) in motion control systems will cause high-frequency torque ripple, efficiency decrease and EMI problems. It is proved in this article that carrier-frequency harmonic current components in dual three-phase permanent magnet synchronous motor (DTP-PMSMs) systems exhibit a different distribution and are more severe compared to the threephase ones due to the existence of the low-impedance harmonic subspace, thereby limiting the further application of DTP-PMSMs. To address this issue, this paper proposes an advanced carrier phase shift modulation strategy. Firstly, by introducing a π/2 phase shift between two PWM modules, the dominating 1st carrier frequency harmonic current components in z1-z2 subspace are halved. The high-frequency torque ripple, located at 2nd carrier frequency, is also suppressed. Periodic Frequency Modulation (PFM) is utilized in the proposed strategy to further suppress the high-frequency harmonic current components in both α-β and z1-z2 subspaces. The effectiveness of the proposed strategy is demonstrated theoretically and verified by simulation and experiments. DC-link current can also benefit from the proposed strategy. Compared with conventional SVPWM and random SVPWM, the proposed strategy has a better harmonic suppression effect without inducing distortion.

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Section: B Carrier Frequency Harmonic Analysis In Dtp-pmsm System Wit...mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

High-Frequency Current Harmonic Analysis and Suppression in Dual Three-Phase PMSMs With Advanced Carrier Phase-Shift PWM

Zheng,

Zou,

et al. 2024

IEEE Trans. Power Electron.

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An analytical calculation method of SiC MOSFET junction temperature based on thermal network theory and Laplace transform

Wang,

Qiu,

Zhang

2024

IET Power Electronics

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In order for full utilization of the switching devices and safe continued operation of the power converter at the same time, the junction temperature of the switching devices needs to be accurately monitored without shutting down the motor drive. This paper derives an analytical junction temperature calculation method by using Laplace transformation and thermal network theory. Based on an actual motor drive, a simulation model is established using platform for power electronic systems (PLECS). Through comparison, the derived method is proven to be able to calculate junction temperature accurately.

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Fault-tolerant control of DTP-PMSM based on Voltage Compensation

Zheng,

Xu,

Zou

et al. 2023

2023 26th International Conference on Electrical Machines and Systems (ICEMS)

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Analysis and Fault-Tolerant Control for Dual-Three-Phase PMSM Based on Virtual Healthy Model

Cited by 20 publications

References 41 publications

High-Frequency Current Harmonic Analysis and Suppression in Dual Three-Phase PMSMs With Advanced Carrier Phase-Shift PWM

High-Frequency Current Harmonic Analysis and Suppression in Dual Three-Phase PMSMs With Advanced Carrier Phase-Shift PWM

An analytical calculation method of SiC MOSFET junction temperature based on thermal network theory and Laplace transform

Fault-tolerant control of DTP-PMSM based on Voltage Compensation

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