4000V-300A Eight-Level IGBT Inverter Leg

Carrère, P.; Meynard, Thierry; Lavieville, J.-P.

doi:10.1080/09398368.1997.11463406

Cited by 16 publications

(6 citation statements)

References 1 publication

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“…A better approach to MLCs with more than three levels is the flying capacitor principle because the number of levels does not influence the balance of capacitor voltages [66], [149]. Fig.…”

Section: ) Selection Of Inverter Type and Level Numbermentioning

confidence: 99%

Medium-Voltage Multilevel Converters—State of the Art, Challenges, and Requirements in Industrial Applications

Abu‐Rub

Holtz

Rodríguez

et al. 2010

IEEE Trans. Ind. Electron.

1,158

384

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This paper gives an overview of medium-voltage (MV) multilevel converters with a focus on achieving minimum harmonic distortion and high efficiency at low switching frequency operation. Increasing the power rating by minimizing switching frequency while still maintaining reasonable power quality is an important requirement and a persistent challenge for the industry. Existing solutions are discussed and analyzed based on their topologies, limitations, and control techniques. As a preferred option for future research and application, an inverter configuration based on three-level building blocks to generate five-level voltage waveforms is suggested. This paper shows that such an inverter may be operated at a very low switching frequency to achieve minimum ON-state and dynamic device losses for highly efficient MV drive applications while maintaining low harmonic distortion.Index Terms-Dual multilevel inverter (MLI), low switching frequency, medium-voltage drives, multilevel inverters, neutralpoint-clamped inverter, synchronous optimal PWM.

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“…A better approach to MLCs with more than three levels is the flying capacitor principle because the number of levels does not influence the balance of capacitor voltages [66], [149]. Fig.…”

Section: ) Selection Of Inverter Type and Level Numbermentioning

confidence: 99%

Medium-Voltage Multilevel Converters—State of the Art, Challenges, and Requirements in Industrial Applications

Abu‐Rub

Holtz

Rodríguez

et al. 2010

IEEE Trans. Ind. Electron.

1,158

384

View full text Add to dashboard Cite

show abstract

“…Given a constant clamping capacitor ( ) voltage, the two cells are actually independent from each other. Each cell can be controlled by the normal subharmonic PWM pattern, with the two carriers for the two switching cells being phase shifted by , offering an optimal output spectrum [15].…”

Section: Objective Of This Papermentioning

confidence: 99%

“…The main circuit of the prototype has been modulated by subharmonic PWM pattern, as detailed in [15]. Specifications of the prototype are given in Table I [32].…”

Section: Experimental Verificationmentioning

confidence: 99%

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Soft-switched three-level capacitor clamping inverter with clamping voltage stabilization

Yuan

Barbi

2000

IEEE Trans. on Ind. Applicat.

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This paper proposes a zero-voltage-switching scheme for the three-level capacitor clamping inverter. The proposed small-rating auxiliary circuit ensures not only zero-voltage switching of the main switches and zero-current switching of the auxiliary switches, but the clamping capacitor voltage of the inverter is also stabilized. The scheme prevents any voltage or current spikes from happening over the main or auxiliary switches and no modulation constraints are incurred. Operation, analysis, designing, and testing aspects of the scheme are detailed. Index Terms-Multilevel inverter, soft switching.Xiaoming Yuan (S'97-M'99) received the M. Eng. degree

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“…The capacitor clamping feature presents a problem for the inverter control due to the need to ensure adequate capacitor voltage balancing under all operating conditions. Carrère et al (4) have shown that this issue can be addressed by utilising all the different switching states within the control. In an N-cell inverter, there are N possible switching states that supply the lowest voltage level.…”

Section: Introductionmentioning

confidence: 99%

Influence of multilevel sinusoidal PWM schemes on the performance of a flying-capacitor inverter

Watkins

Zhang

2002

International Conference on Power Electronics Machines and Drives

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Multilevel inverters, including the flying-capacitor topology require more complex control due to the additional flexibility offered by the multiple output voltage levels. One such control method is based on the conventional sinusoidal pulse width modulation (SPWM) scheme and uses multiple triangular carriers. There are a number of SPWM variants that achieve the desired inverter control. This paper presents the results of an investigation into these different schemes and their influence on the power quality and efficiency of a flying-capacitor inverter.

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4000V-300A Eight-Level IGBT Inverter Leg

Cited by 16 publications

References 1 publication

Medium-Voltage Multilevel Converters—State of the Art, Challenges, and Requirements in Industrial Applications

Medium-Voltage Multilevel Converters—State of the Art, Challenges, and Requirements in Industrial Applications

Soft-switched three-level capacitor clamping inverter with clamping voltage stabilization

Influence of multilevel sinusoidal PWM schemes on the performance of a flying-capacitor inverter

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