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Prof. Janina Rząsa
Rzeszow University of Technology

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0 Power Converters
0 Power Quality
0 Simulation Modeling
0 Multilevel converters
0 matrix converter

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matrix converter
Multilevel converters

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Journal article
Published: 04 February 2020 in Energies
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In the last several years, thanks to the development and continuous improvement of semiconductor switching elements, and the simultaneous increase in interest in multi-phase drives, the investigation into constructing multi-phase converters has been growing. The matrix converter (MC) is considered to be one of the contenders for use in the multi-phase drive. In the context of using MC in the drive, it is expected to eliminate the common mode voltage (CMV). Another important problem is the ability to correct the input displacement angle to ensure the operation of the MC with unity input power factor. The purpose of the article is to present an MC modulation strategy that implements both CMV elimination and input displacement angle adjustment. Analytical and simulation analyses of the strategy, in application to three-to-multi-phase MC is presented. The suggested modulation strategy in applying to three-to-multi-phase MC is implemented in ATP-EMTP (Alternative Transients Program-ElectroMagnetic Transients Program) software. Simulation results are provided for a three-to-three-phase three-to-six-phase and three-to-nine-phase MC. The proposed modulation strategy is validated using an experimental approach.

ACS Style

Janina Rząsa. Modulation Strategy for Multi-Phase Matrix Converter with Common Mode Voltage Elimination and Adjustment of the Input Displacement Angle. Energies 2020, 13, 675 .

AMA Style

Janina Rząsa. Modulation Strategy for Multi-Phase Matrix Converter with Common Mode Voltage Elimination and Adjustment of the Input Displacement Angle. Energies. 2020; 13 (3):675.

Chicago/Turabian Style

Janina Rząsa. 2020. "Modulation Strategy for Multi-Phase Matrix Converter with Common Mode Voltage Elimination and Adjustment of the Input Displacement Angle." Energies 13, no. 3: 675.

Journal article
Published: 03 February 2020 in Energies
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A multiphase matrix converter (MC) is a direct AC/AC converter with n-phase input and m-phase output that is required to supply multiphase systems. To synthesize the controllable sinusoidal output voltage and input current with controllable displacement angle, the pulse width modulation (PWM) is implemented. On account of the PWM usage, there is common mode voltage (CMV), which is detrimental and causes lots of failures. This paper investigates the CMV elimination in the three-to-nine-phase MC. The carrier-based space vector modulation (SVM) with Venturini modulation functions is used. The elimination of the CMV is realized by applying rotating voltage space vectors only. The simulation results presented in this study show that the CMV is entirely eliminated and prove the usefulness of the proposed modulation method.

ACS Style

Janina Rząsa; Elżbieta Sztajmec. Elimination of Common Mode Voltage in the Three-To-Nine-Phase Matrix Converter. Energies 2020, 13, 631 .

AMA Style

Janina Rząsa, Elżbieta Sztajmec. Elimination of Common Mode Voltage in the Three-To-Nine-Phase Matrix Converter. Energies. 2020; 13 (3):631.

Chicago/Turabian Style

Janina Rząsa; Elżbieta Sztajmec. 2020. "Elimination of Common Mode Voltage in the Three-To-Nine-Phase Matrix Converter." Energies 13, no. 3: 631.

Journal article
Published: 01 May 2019 in Energies
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The matrix converter (MC) is the n-phase input and m-phase output power electronic system. To synthesis the controllable sinusoidal output voltage and input current with controllable input displacement angle, the pulse width modulation method (PWM) is used in the MC. During the modulation process a problem of the common mode voltage (CMV) exists. The elimination of the CMV in three-to-six-phase MC by usage of only rotating voltage space vectors is analyzed in the paper. The carrier based implementation of the space vector modulation (SVM) with Venturini modulation functions is applied to the control of the three-to-six-phase MC. Entire elimination of the CMV in three-to-six-phase MC is presented in the paper. The simulation and experiment results confirm utility of the proposed modulation method.

ACS Style

Janina Rząsa; Elżbieta Sztajmec. Elimination of Common Mode Voltage in Three-to-Six-Phase Matrix Converter. Energies 2019, 12, 1662 .

AMA Style

Janina Rząsa, Elżbieta Sztajmec. Elimination of Common Mode Voltage in Three-to-Six-Phase Matrix Converter. Energies. 2019; 12 (9):1662.

Chicago/Turabian Style

Janina Rząsa; Elżbieta Sztajmec. 2019. "Elimination of Common Mode Voltage in Three-to-Six-Phase Matrix Converter." Energies 12, no. 9: 1662.

Journal article
Published: 06 February 2019 in Electronics
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The main aim of the paper is to find a control method for a multilevel matrix converter (MMC) that enables the elimination of common mode voltage (CMV). The method discussed in the paper is based on a selection of converter configurations and the instantaneous output voltages of MMC represented by rotating space vectors. The choice of appropriate configurations is realized by the use of space vector modulation (SVM), with the application of Venturini modulation functions. A multilevel matrix converter, which utilizes a multilevel structure in a traditional matrix converter (MC), can achieve an improved output voltage waveform quality, compared with the output voltage of MC. The carrier-based implementation of SVM is presented in this paper. The carrier-based implementation of SVM avoids any trigonometric and division operations, which could be required in a general space vector approach to the SVM method. With use of the proposed control method, a part of the high-frequency output voltage distortion components is eliminated. The application of the presented modulation method eliminates the CMV in MMC what is presented in the paper. Additionally, the possibility to control the phase shift between the appropriate input and output phase voltages is obtained by the presented control strategy. The results of the simulation and experiment confirm the utility of the proposed modulation method.

ACS Style

Janina Rząsa. An Alternative Carrier-Based Implementation of Space Vector Modulation to Eliminate Common Mode Voltage in a Multilevel Matrix Converter. Electronics 2019, 8, 190 .

AMA Style

Janina Rząsa. An Alternative Carrier-Based Implementation of Space Vector Modulation to Eliminate Common Mode Voltage in a Multilevel Matrix Converter. Electronics. 2019; 8 (2):190.

Chicago/Turabian Style

Janina Rząsa. 2019. "An Alternative Carrier-Based Implementation of Space Vector Modulation to Eliminate Common Mode Voltage in a Multilevel Matrix Converter." Electronics 8, no. 2: 190.

Journal article
Published: 05 April 2015 in PRZEGLĄD ELEKTROTECHNICZNY
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ACS Style

Janina Rząsa. Prostownik matrycowy sterowany według nowej metody modulacji szerokości impulsów. PRZEGLĄD ELEKTROTECHNICZNY 2015, 1, 117 -124.

AMA Style

Janina Rząsa. Prostownik matrycowy sterowany według nowej metody modulacji szerokości impulsów. PRZEGLĄD ELEKTROTECHNICZNY. 2015; 1 (4):117-124.

Chicago/Turabian Style

Janina Rząsa. 2015. "Prostownik matrycowy sterowany według nowej metody modulacji szerokości impulsów." PRZEGLĄD ELEKTROTECHNICZNY 1, no. 4: 117-124.

Conference paper
Published: 01 November 2013 in IECON 2013 - 39th Annual Conference of the IEEE Industrial Electronics Society
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The paper deals with controlling a dual matrix converter feeding an open-end-winding load allowing to increase the load voltage up to a relative value equaling unity, eliminating at the same time completely the common mode voltage. In the paper, results of simulations are presented for two control methods. Results of theoretical considerations and simulations are confirmed by means of laboratory measurements.

ACS Style

J. Rząsa. Research on dual matrix converter feeding an open-end-winding load controlled with the use of rotating space vectors. IECON 2013 - 39th Annual Conference of the IEEE Industrial Electronics Society 2013, 4919 -4924.

AMA Style

J. Rząsa. Research on dual matrix converter feeding an open-end-winding load controlled with the use of rotating space vectors. IECON 2013 - 39th Annual Conference of the IEEE Industrial Electronics Society. 2013; ():4919-4924.

Chicago/Turabian Style

J. Rząsa. 2013. "Research on dual matrix converter feeding an open-end-winding load controlled with the use of rotating space vectors." IECON 2013 - 39th Annual Conference of the IEEE Industrial Electronics Society , no. : 4919-4924.

Conference paper
Published: 01 November 2013 in IECON 2013 - 39th Annual Conference of the IEEE Industrial Electronics Society
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The paper deals with control a dual matrix converter feeding an open-end-winding load allowing to increase the relative voltage value at the load up to the value of one and a half, with simultaneous complete elimination of the common mode voltage. Results of theoretical considerations are confirmed by means of laboratory measurements.

ACS Style

J. Rząsa; G. Garus. Research on dual matrix converter feeding an open-end-winding load controlled with the use of rotating space vectors. IECON 2013 - 39th Annual Conference of the IEEE Industrial Electronics Society 2013, 4925 -4930.

AMA Style

J. Rząsa, G. Garus. Research on dual matrix converter feeding an open-end-winding load controlled with the use of rotating space vectors. IECON 2013 - 39th Annual Conference of the IEEE Industrial Electronics Society. 2013; ():4925-4930.

Chicago/Turabian Style

J. Rząsa; G. Garus. 2013. "Research on dual matrix converter feeding an open-end-winding load controlled with the use of rotating space vectors." IECON 2013 - 39th Annual Conference of the IEEE Industrial Electronics Society , no. : 4925-4930.

Conference paper
Published: 01 November 2009 in 2009 35th Annual Conference of IEEE Industrial Electronics
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An essential issue in practical design of a matrix converter consists in determination of switch current loads versus variation in input frequency, nature of load, and required range of input displacement angle. An analysis of current load of individual branches of the classic matrix converter (MC) is used in this paper to formulate conclusions concerning possible source of voltage distortion on clamp capacitors of the capacitor-clamped multilevel matrix converter (CCMMC).

ACS Style

Janina Rząsa. Harmonic distortions in the switches currents for the classical and capacitor-clamped multilevel matrix converters. 2009 35th Annual Conference of IEEE Industrial Electronics 2009, 4517 -4522.

AMA Style

Janina Rząsa. Harmonic distortions in the switches currents for the classical and capacitor-clamped multilevel matrix converters. 2009 35th Annual Conference of IEEE Industrial Electronics. 2009; ():4517-4522.

Chicago/Turabian Style

Janina Rząsa. 2009. "Harmonic distortions in the switches currents for the classical and capacitor-clamped multilevel matrix converters." 2009 35th Annual Conference of IEEE Industrial Electronics , no. : 4517-4522.

Conference paper
Published: 01 September 2008 in 2008 13th International Power Electronics and Motion Control Conference
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The article is discussion with authors of [Shi Y. et al., 2005], who have presented proposal of multilevel matrix converter scheme. Because the authors have shown results of research involved only with one phase output multilevel matrix converter and suggested application one of known modulation methods to control of three phase scheme, this paper undertakes this problem. New elements of power scheme are added. Venturini modulation method is examined. Improvement of waveforms synthesized at output and reduction of reverse voltages on semiconductor elements is achieved only for the case when multilevel matrix converter operates at output frequency equal the supply voltage frequency.

ACS Style

Janina Rząsa. Capacitor clamped multilevel matrix converter controlled with venturini method. 2008 13th International Power Electronics and Motion Control Conference 2008, 357 -364.

AMA Style

Janina Rząsa. Capacitor clamped multilevel matrix converter controlled with venturini method. 2008 13th International Power Electronics and Motion Control Conference. 2008; ():357-364.

Chicago/Turabian Style

Janina Rząsa. 2008. "Capacitor clamped multilevel matrix converter controlled with venturini method." 2008 13th International Power Electronics and Motion Control Conference , no. : 357-364.

Conference paper
Published: 13 December 2005 in IEEE Compatibility in Power Electronics, 2005.
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ACS Style

Janina Rząsa. Control of a matrix converter with reduction of a common mode voltage. IEEE Compatibility in Power Electronics, 2005. 2005, 213 -217.

AMA Style

Janina Rząsa. Control of a matrix converter with reduction of a common mode voltage. IEEE Compatibility in Power Electronics, 2005.. 2005; ():213-217.

Chicago/Turabian Style

Janina Rząsa. 2005. "Control of a matrix converter with reduction of a common mode voltage." IEEE Compatibility in Power Electronics, 2005. , no. : 213-217.