An Integration SPWM Strategy for High-Frequency Link Matrix Converter With Adaptive Commutation in One Step Based on De-Re-Coupling Idea

Yan, Zhaoyang; Jia, Ming; Zhang, Chunjiang; Wu, Weiyang

doi:10.1109/tie.2011.2158775

Cited by 74 publications

(15 citation statements)

References 17 publications

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“…The matrix converter (MC) consists of an array of bidirectional switches, which are used to directly connect the power supply to the load without using any DC-link [1][2][3]. Researchers have dedicated years of continuous effort to develop different modulation and control strategies that can be applied to MCs [2,[4][5][6][7][8][9][10][11][12][13][14][15][16]. After almost three decades of intensive research, the development of this converter is finally reaching industrial application.…”

Section: Introductionmentioning

confidence: 99%

Methods of source current reference generation for predictive control in a direct matrix converter

Rivera

Rojas

Rodríguez

2013

IET Power Electronics

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Rivera, M (Rivera, Marco). Univ Talca, Dept Ind Technol, Talca 747C, Chile.Two control strategies that allow the control of source and load currents for direct matrix converters are presented in this study. Both methods use the switching state of the converter in the subsequent sampling time, based on an optimisation algorithm given by a simple cost function and the discrete system model. The control goals include regulation of load currents according to an arbitrary reference and good tracking of the source currents to their references. In the first method, the input current reference is given as a function of the instantaneous active power. In the second case, the source current reference is given as a function of the output current reference and system parameters. Experimental results with an experimental prototype support the theoretical approach

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Section: Introductionmentioning

confidence: 99%

Methods of source current reference generation for predictive control in a direct matrix converter

Rivera

Rojas

Rodríguez

2013

IET Power Electronics

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“…In addition, the three-phase high-frequency link matrix converter (HFLMC) is modulated in the control circuit by using an integrated HPWM modulation strategy in which the drive signal of the pre-stage high frequency inverter and the drive signal of the rear-stage MC are combined. Moreover, the HPWM control, itself, has an adaptive one-step commutation, which reduces the commutation difficulty and switching stress, ensuring safe operation of the system [23].…”

Section: Hybrid Pulse Width Modulation Control Strategy Of Hfl Three-mentioning

confidence: 99%

Hybrid Pulse Width Modulation Strategy of a High-Frequency Link Three-Phase Four-Leg Matrix Converter Based on Compensation Theory

Wang

Pan

et al. 2019

Applied Sciences

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A high-frequency link (HFL) three-phase four-leg matrix converter (MC) can output three-phase balanced voltage for unbalanced load conditions. It is an inverter with great development potential. This paper presents a hybrid pulse width modulation (HPWM) strategy for a four-wire matrix converter based on the fourth bridge leg compensation method. Firstly, the rear-stage topology of a high-frequency link three-phase four-leg matrix converter is decoupled into two sets of ordinary three-phase four-wire inverters. Then the compensation strategy is applied to separate the fourth bridge leg from the coupling of the ordinary inverter and realize its independent control. Under the theory of compensation, the fourth bridge leg plays a role in compensating the deviation of the neutral point potential when the load is unbalanced, the fourth bridge leg does not need to work when the load is balanced. Finally, the fourth bridge leg modulation wave obtained by the compensation method is combined with the front three bridge leg modulation waves to perform the coupling control using the hybrid pulse width modulation strategy. It has changed the problem that the previous hybrid pulse width modulation strategy cannot be directly applied to the four-wire matrix converter. This strategy is simple to control, without adding any auxiliary commutation detection circuitry, can effectively solve the inherent commutation problem in the bidirectional switch tube of the four-wire matrix converter. It simplifies the complexity of the system, reduced control cost, and high switching loss caused by high switching frequency. The fast adjustment function of compensation strategy makes the dynamic response performance of system under load fluctuation state more prominent, the harmonic distortion rate is smaller. The perfect combination of two strategies allows the high-frequency link three-phase four-leg matrix converter with any form of load to give full play to its structural advantages. The related work verifies the feasibility and effectiveness of the modulation method and control logic.

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“…Basically, it is a single-stage bidirectional current source AC-DC converter, which rectifies the sinusoidal AC signals to the pure DC signals. Different modulation strategies have been applied for the AC-DC MCs, such as the Alesina-Venturini [5], the pulse-width modulation (PWM) [10,11], the model predictive control (MPC) [12][13][14], and the space vector modulation (SVM) [15][16][17][18][19][20][21]. Predictive control strategies for the AC-DC MCs under unbalanced grid voltage were proposed in [12] and [13].…”

Section: Introductionmentioning

confidence: 99%

Reduction of DC Current Ripples by Virtual Space Vector Modulation for Three-Phase AC–DC Matrix Converters

2019

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In this paper, the virtual space vector modulation for the AC–DC (alternating current–direct current) matrix converters is proposed to reduce the DC current ripples in the whole modulation index range. In the proposed method, each virtual vector is synthesized by the two nearest original active vectors. To synthesize the current reference vector, two virtual vectors and one zero vector are used in every switching period. The main principle of the proposed method is to reduce the dwelling period of the largest active current vector in each sector. In addition, the optimized switching patterns are proposed to further reduce the DC current ripples at both high- and low-power operation. Finally, simulation and experimental results are illustrated to validate the effectiveness of the proposed strategy.

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An Integration SPWM Strategy for High-Frequency Link Matrix Converter With Adaptive Commutation in One Step Based on De-Re-Coupling Idea

Cited by 74 publications

References 17 publications

Methods of source current reference generation for predictive control in a direct matrix converter

Methods of source current reference generation for predictive control in a direct matrix converter

Hybrid Pulse Width Modulation Strategy of a High-Frequency Link Three-Phase Four-Leg Matrix Converter Based on Compensation Theory

Reduction of DC Current Ripples by Virtual Space Vector Modulation for Three-Phase AC–DC Matrix Converters

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