The Essential Role and the Continuous Evolution of Modulation Techniques for Voltage-Source Inverters in the Past, Present, and Future Power Electronics

León, José I.; Kouro, Samir; Franquelo, Leopoldo G.; Rodríguez, José; Wu, Bin

doi:10.1109/tie.2016.2519321

Cited by 385 publications

(157 citation statements)

References 100 publications

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“…Many academic papers have focused on modeling [16][17][18][19], control [20][21][22][23][24], and modulation techniques [25][26][27][28][29][30][31][32][33][34][35][36][37][38][39][40][41] for MMCs. The multilevel converter pulse width modulation technique is one of the key technologies for MMCs as it affects the harmonic characteristics, voltage balancing and system efficiency.…”

Section: Introductionmentioning

confidence: 99%

Double-Carrier Phase-Disposition Pulse Width Modulation Method for Modular Multilevel Converters

Zhou

Luo

et al. 2017

Energies

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Modular multilevel converters (MMCs) have become one of the most attractive topologies for high-voltage and high-power applications. A double-carrier phase disposition pulse width modulation (DCPDPWM) method for MMCs is proposed in this paper. Only double triangular carriers with displacement angle are needed for DCPDPWM, one carrier for the upper arm and the other for the lower arm. Then, the theoretical analysis of DCPDPWM for MMCs is presented by using a double Fourier integral analysis method, and the Fourier series expression of phase voltage, line-to-line voltage and circulating current are deduced. Moreover, the impact of carrier displacement angle between the upper and lower arm on harmonic characteristics is revealed, and further the optimum displacement angles are specified for the circulating current harmonics cancellation scheme and output voltage harmonics minimization scheme. Finally, the proposed method and theoretical analysis are verified by simulation and experimental results.

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Section: Introductionmentioning

confidence: 99%

Double-Carrier Phase-Disposition Pulse Width Modulation Method for Modular Multilevel Converters

Zhou

Luo

et al. 2017

Energies

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“…Multilevel converters produce more voltage levels decreasing the voltage and current harmonics significantly while operating at lower switching frequency. They are comprehensively investigated as DC-AC energy conversion mode and now they have found many applications in AC-DC power conversion systems called rectifier [5][6][7][8][9][10].…”

Section: Introductionmentioning

confidence: 99%

Five-level reduced-switch-count boost PFC rectifier with multicarrier PWM

Vahedi

Chandra

Al‐Haddad³

2015

2015 IEEE Energy Conversion Congress and Exposition (ECCE)

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Abstract-A multilevel boost PFC (Power Factor Correction) rectifier is presented in this paper controlled by cascaded controller and multicarrier pulse width modulation technique. The presented topology has less active semiconductor switches compared to similar ones reducing the number of required gate drives that would shrink the manufactured box significantly. A simple controller has been implemented on the studied converter to generate a constant voltage at the output while generating a five-level voltage waveform at the input without connecting the load to the neutral point of the DC bus capacitors. Multicarrier PWM technique has been used to produce switching pulses from control signal at a fixed switching frequency. Multi-level voltage waveform harmonics has been analyzed comprehensively which affects the harmonic contents of input current and the size of required filters directly. Full experimental results confirm the good dynamic performance of the proposed five-level PFC boost rectifier in delivering power from AC grid to the DC loads while correcting the power factor at the AC side as well as reducing the current harmonics remarkably.

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“…Multilevel inverters constitute a class of devices which present interesting features that are naturally adapted to solar energy conversion schemes and therefore constitute an interesting solution to the proliferation of solar energy technology [6][7][8]. Multilevel inverters make use of switches and floating capacitors to produce various symmetrical voltage levels when controlled properly.…”

mentioning

confidence: 99%

Real-Time Implementation of Model-Predictive Control on Seven-Level Packed U-Cell Inverter

Metri

Vahedi

Kanaan

et al. 2016

IEEE Trans. Ind. Electron.

122

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Abstract-In this paper a model predictive control (MPC) has been designed and implemented on the Packed U-Cell (PUC) inverter which has one isolated DC source and one capacitor as an auxiliary DC link. The MPC is designed to regulate the capacitor voltage at the desired magnitude to have seven voltage levels at the output of the inverter. Since grid-connected application is targeted by this application, the inverter should be capable of supplying requested amount of active and reactive power at the point of common coupling (PCC) as well. Therefore, MPC should also consider the line current control in order to monitor the exchange of reactive power with the grid while injecting appropriate active power at low THD. Various experimental tests including change in DC source voltage, active power variation and operation at different power factor (PF) have been performed on a laboratory prototype to validate the good performance obtained by the proposed MPC. The dynamic performance of the controller during sudden changes in dc capacitor voltage, supply current and PF demonstrates the fast and accurate response and the superior operation of the proposed controller.

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The Essential Role and the Continuous Evolution of Modulation Techniques for Voltage-Source Inverters in the Past, Present, and Future Power Electronics

Cited by 385 publications

References 100 publications

Double-Carrier Phase-Disposition Pulse Width Modulation Method for Modular Multilevel Converters

Double-Carrier Phase-Disposition Pulse Width Modulation Method for Modular Multilevel Converters

Five-level reduced-switch-count boost PFC rectifier with multicarrier PWM

Real-Time Implementation of Model-Predictive Control on Seven-Level Packed U-Cell Inverter

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