An Overmodulation Strategy for Matrix Converter Under Unbalanced Input Voltages

Li, Yao; Qiu, Lin; Zhi, Yongjian; Yan, Guanglin; Zhang, Jian; Ma, Jien; Fang, Youtong

doi:10.1109/access.2020.3045052

Cited by 13 publications

(14 citation statements)

References 25 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Based on this real internal model, a low-pass filter Q(s) is required, and a phase-lead compensation G f (s) is also needed. Then the practical (nk ± m)-order harmonic controller, G sm (s), can be derived as follows [18]:…”

Section: Current-loop Selective Harmonic Controllermentioning

confidence: 99%

“…Szczepankowski et al proposed using analytic signals and smooth interpolation in pulse-width modulation for matrix converters [17]. Li et al implemented an overmodulation strategy for matrix converters under unbalanced input voltages [18]. Deng et al used a multidimensional switching table for the minimizing common-mode voltages of matrix converter-based PMSM drive systems [19].…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Design and Implementation of Periodic Control for a Matrix Converter-Based Interior Permanent Magnet Synchronous Motor Drive System

Liu

Chang

2021

Energies

View full text Add to dashboard Cite

The matrix converter-based IPMSM drive has 360 Hz virtual DC-bus voltage variations which produce severe stator harmonic currents. To solve this problem, a speed-loop classical periodic controller and two current-loop periodic controllers, including a classical periodic controller and a selective harmonic controller, are proposed in this paper. By using the proposed methods, the harmonic currents are obviously reduced and the speed responses of the IPMSM are clearly improved. A detailed analysis is discussed. A digital signal processor, type SH7237, manufactured by Renesas Electronics Corporation is used for the control algorithms. Experimental results show that those proposed periodic controllers reduce up to nearly 32% of the total harmonic distortion at the stator currents, and also apparently improve the transient, tracking, and repetitive load disturbance speed responses.

show abstract

Section: Current-loop Selective Harmonic Controllermentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Design and Implementation of Periodic Control for a Matrix Converter-Based Interior Permanent Magnet Synchronous Motor Drive System

Liu

Chang

2021

Energies

View full text Add to dashboard Cite

show abstract

“…Lei et al studied a feedback control method which modified input reference currents to eliminate the input current harmonics of an MC under unbalanced input voltages [14]. Li et al proposed an over modulation strategy for MCs under unbalanced input voltages [15]. Thus, a higher output voltage could be obtained.…”

Section: Introductionmentioning

confidence: 99%

Performance improvement of an indirect AC/DC/AC matrix converter‐based IPMSM drive system under unbalanced three‐phase input voltages

Liu

2023

The Journal of Engineering

View full text Add to dashboard Cite

Most matrix converters use indirect control, which includes a three-phase virtual AC/DC converter and a virtual inverter, to control their nine AC switches. However, matrix converters do not use electrolytic capacitors to store energy. As a result, unbalanced three-input voltages directly cause unbalanced three-phase output voltages, which deteriorate the performance of IPMSM drive systems. To solve this problem, this paper proposes an improved method, which includes inverter stage control and AC/DC stage control, for matrix converter-based IPMSM drive systems under unbalanced three-phase input voltages. The inverter stage control adjusts the duty cycles of the virtual inverter to compensate for the fluctuations of the virtual DC-bus voltage. Therefore, the harmonic currents of the IPMSM are significantly reduced, and the speed ripples of the IPMSM are reduced as well. The AC/DC stage control uses a virtual AC/DC converter to control the threephase input currents near sinusoidal waveforms with a unity power factor. Finally, a hybrid algorithm that combines the inverter stage control and the AC/DC stage control is demonstrated. A digital signal processor, type SH 7237, and a field programmable gate array, type 10M16SAU16917G, are used in parallel as the computational and control center.

show abstract

“…The overmodulation performance under input unbalance conditions is evaluated using the double Fourier integral transform approach. Two novel space vector pulse width modulation strategies based on the linear superimposition principle are presented by modifying the magnitude of the reference output voltage and the reference input current vectors, and the harmonic characteristics of the input current and output voltage are quantitatively analyzed by employing the double Fourier integral transform method [23]. A novel multimode space vector overmodulation strategy based on minimum principle of output voltage and input current harmonic by dividing over modulation method into three modes is presented in [24]; the output voltage minimum-phase error, input current minimum-magnitude-error (MME), and output voltage MME overmodulation strategies are realized in overmodulation mode I, II, and III.…”

Section: Introductionmentioning

confidence: 99%

Research on an Optimized Overmodulation Strategy Based on Rectifier of Indirect Space Vector of Matrix Converter

Xia

Zhang

et al. 2022

Electronics

View full text Add to dashboard Cite

Output performances including voltage error and THD effected by hexagon vector and basic vector with traditional indirect space vector overmodulation method are analyzed, and an improved overmodulation method based on input current vector synthesized is presented. Simulation and experimental results are carried out to validate the effectiveness of the proposed method. Simulation results indicate that the proposed input current vector-synthesized overmodulation strategy has better output performances. The experimental results verify that theoretical analysis is right and the proposed method is feasible.

show abstract

An Overmodulation Strategy for Matrix Converter Under Unbalanced Input Voltages

Cited by 13 publications

References 25 publications

Design and Implementation of Periodic Control for a Matrix Converter-Based Interior Permanent Magnet Synchronous Motor Drive System

Design and Implementation of Periodic Control for a Matrix Converter-Based Interior Permanent Magnet Synchronous Motor Drive System

Performance improvement of an indirect AC/DC/AC matrix converter‐based IPMSM drive system under unbalanced three‐phase input voltages

Research on an Optimized Overmodulation Strategy Based on Rectifier of Indirect Space Vector of Matrix Converter

Contact Info

Product

Resources

About