A PWM strategy for dual three-phase PMSM using 12-sector vector space decomposition for electric ship propulsion

Hasoun, Mhammed; Afia, Aziz El; Chikh, Khalid; Khafallah, Mohamed; Benkirane, Karim

doi:10.1109/melcon.2018.8379101

Cited by 14 publications

(14 citation statements)

References 9 publications

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“…e multiphase motor reliability is high and valuable for small torque ripples [1], which makes it suitable for electric vehicle [2], wind power generation [3], ship propulsion [4], and also for electric aircraft [5].…”

Section: Introductionmentioning

confidence: 99%

Harmonic Current Suppression of Dual Three-Phase PMSM Based on Model Predictive Direct Torque Control

Lei

Lin

et al. 2021

Mathematical Problems in Engineering

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The traditional direct torque control (DTC) method will produce a larger harmonic current in the x, y subspace when applied to a dual three-phase permanent magnet synchronous machine (DTP-PMSM) because the voltage vector used for DTC is not equal to zero in the x, y harmonic subspace. To mitigate this problem, in this manuscript, a model predictive direct torque control (MPDTC) method is proposed to eliminate the harmonic current in DTP-PMSM. The spatial distribution characteristic DTP-PMSM voltage vector is analyzed; then, the table of vector group can be obtained according to DTC, and each vector group can be combined to obtain the zero-voltage vector in the x, y subspace. According to the cost function, MPDTC selects the vector group and obtains the optimal vector sequence combination to eliminate the harmonic current in the x, y subspace. Furthermore, the MPDTC achieves closed-loop control of harmonic currents in the x, y subspace. The MPDTC can also eliminate harmonic currents caused by other factors. The simulation results show that the method of MPDTC can effectively suppress the harmonic current of DTP-PMSM.

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Section: Introductionmentioning

confidence: 99%

Harmonic Current Suppression of Dual Three-Phase PMSM Based on Model Predictive Direct Torque Control

Lei

Lin

et al. 2021

Mathematical Problems in Engineering

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“…Recently, the use of electric machines with more than three phases has significantly increased, particularly for high power applications such as system propulsion. These machines usually known as multiphase machines which are existing in the domain various that is automobile, avionics, and maritime [2][3][4][5][6][7][8]; and provide several significant advantages such as lower torque pulsations and higher reliability [1]. Dual-Three Phase (DTP) Machines are characterized by the multiphase structure having two sets of three-phase stator windings within the same stator frame, and are spatially shifted by 30 electrical degrees [1].…”

Section: Introductionmentioning

confidence: 99%

“…These machines usually known as multiphase machines which are existing in the domain various that is automobile, avionics, and maritime [2][3][4][5][6][7][8]; and provide several significant advantages such as lower torque pulsations and higher reliability [1]. Dual-Three Phase (DTP) Machines are characterized by the multiphase structure having two sets of three-phase stator windings within the same stator frame, and are spatially shifted by 30 electrical degrees [1]. Among all DTP machines used, the Dual Three Phase Permanent Magnet Synchronous Motor (DTP-PMSM) is the most used one.…”

Section: Introductionmentioning

confidence: 99%

Direct Torque Control of Dual Three-Phase Permanent Magnet Synchronous Motor

et al. 2021

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In this paper a direct torque control strategy for dual three-phase permanent magnet synchronous motor (DTP-PMSM) is presented, the machine has two sets of three-phase stator windings spatially phase shifted by 30 electric degrees. In order to reduce the stator harmonic current, torque and flux are controlled based on regulators and Vector Space Decomposition technique. The proposed approach has the benefits of low stator current distortion and low torque ripple. The validity and the efficiency of the selected technique are confirmed by simulation results.

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“…Full electric propulsion systems for commercial and military shipping sector have been intensively developed. Electric propulsion offers potential advantages regarding flexibility in ship maneuvering, maintenance cost and vibration level [1], [2]. In the naval industry, three-phase electric machines are mainly the most used.…”

Section: Introductionmentioning

confidence: 99%

Efficiency improvement of dual three-phase permanent magnet synchronous motor using modified switching table DTC for electric ship propulsion

Afia¹,

Hasoun²,

Khafallah³

et al. 2021

IJPEDS

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A direct torque control using a classical switching- table ST-DTC can be used to control the torque and thus the speed of Dual Three-Phase Permanent Magnet Synchronous Motor (DTP-PMSM). The principle is based on direct application of control sequence by using two hysteresis regulators and a switching table. A large stator current containing low order harmonics is produced during the application of the classic ST-DTC technique, this leads to higher losses affecting the efficiency of the machine. To allow a reduction of these harmonics a modified switching-table approach based DTC technique is examined. Indeed, an improved ST-DTC strategy, which consist of replacing the vectors of the classical table with synthetic vectors, is discussed. The simulation results confirm the validity of the selected strategy.

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A PWM strategy for dual three-phase PMSM using 12-sector vector space decomposition for electric ship propulsion

Cited by 14 publications

References 9 publications

Harmonic Current Suppression of Dual Three-Phase PMSM Based on Model Predictive Direct Torque Control

Harmonic Current Suppression of Dual Three-Phase PMSM Based on Model Predictive Direct Torque Control

Direct Torque Control of Dual Three-Phase Permanent Magnet Synchronous Motor

Efficiency improvement of dual three-phase permanent magnet synchronous motor using modified switching table DTC for electric ship propulsion

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