A new medium voltage drive system based on ANPC-5L technology

Kieferndorf, Frederick; Basler, Michael; Serpa, L.A.; Fabian, J.-H.; Coccia, A.; Scheuer, Gerald

doi:10.1109/icit.2010.5472725

Cited by 159 publications

(64 citation statements)

References 8 publications

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“…Recently a space-vector modulation technique has been applied to a three-phase 5L-ANPC for the rectifier side of a back-to-back configuration [8]. The control region of the converter is the well-known hexagon plotted in the alpha-beta frame where the switching states are located.…”

Section: Number Of Levels Number Of Floating Capacitor Cellsmentioning

confidence: 99%

Novel modulator for the hybrid two-cell flying-capacitor based ANPC converter

Leon

Franquelo

Kouro³

et al. 2011

2011 International Conference on Power Engineering, Energy and Electrical Drives

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Abstract-Among the multilevel converters present in the industry, the hybrid flying-capacitor based active-neutral-pointclamped converter is very recent. It presents good features such as high quality output voltage, high modularity and easy extension to achieve a high number of levels with reduced number of power devices. This paper introduces a simple modulator for the single-phase two-cell hybrid flying-capacitor based activeneutral-point-clamped converter. The modulation technique is based on the determination of a switching sequence formed by two switching states which generate the two nearest voltage levels to the reference phase voltage. Some extra calculations are added to the modulation method to control the dc-link capacitors and the floating capacitor voltages. The computational cost of the modulation technique is low only including simple comparisons and mathematical expressions. Simulation results show the high quality output voltages and currents including the dc voltage control.

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Section: Number Of Levels Number Of Floating Capacitor Cellsmentioning

confidence: 99%

Novel modulator for the hybrid two-cell flying-capacitor based ANPC converter

Leon

Franquelo

Kouro³

et al. 2011

2011 International Conference on Power Engineering, Energy and Electrical Drives

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“…Along with the classical structures there are several mixed structures, using for example single phase 3L-NPC as one power cell of the CHB [35], or combining and Active NPC with a FC [36]. Recently, the modular multilevel converter (MMC) has been proposed as a completely modular topology [37] [38].…”

Section: Introductionmentioning

confidence: 99%

High-Performance Motor Drives

Kaźmierkowski

Franquelo

Rodríguez³

et al. 2011

EEE Ind. Electron. Mag.

189

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Abstract--Power electronic converter-fed high performance AC drives belong to high-tech industry and are one of main factors for energy saving and productivity growth. This paper reviews present state and trends in development of key parts of controlled induction motor drive systems: converter topologies, modulation methods, as well as control and estimation techniques. Following topologies are described: Two-and Multi-level Voltage Source Converters, Current Source Converters and Direct Converters. Among the modulation techniques are briefly presented: conventional bipolar and unipolar PWM, space vector modulation (SVM) with extension for multilevel converters, harmonic control techniques, variable frequency modulation (hysteresis, nearest level, and model predictive techniques). About the control strategies, the generic torque control methods are described in two groups: linear and nonlinear controllers. In linear group are presented field oriented control (FOC), direct torque control (DTC) with voltage SVM, and DTC with flux vector modulation (DTC-FVM). The group of nonlinear control include: classical switching table based hysteresis DTC, direct self control (DSC) and predictive DTC scheme. Also, selected simple flux vector observers/estimators are discussed.

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“…Based on the hybrid configuration of a 3L-ANPC converter [6] and a 3L FC converter, a 5L-FC based ANPC converter was developed for motor drive applications [7]. In [8], the experimental validation of the 5L-FC based ANPC converter using carrier based disposition (CBD) pulse-width modulation (PWM) to control the neutral point voltage and FC voltage were presented.…”

Section: Introductionmentioning

confidence: 99%

An n-level flying capacitor based active neutral-point-clamped converter

Pulikanti

Konstantinou

Agelidis

2010

The 2nd International Symposium on Power Electronics for Distributed Generation Systems

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An n-level flying capacitor (FC) based active neutral point clamped (ANPC) converter is discussed in this paper. The converter is based on an arrangement of a three-level ANPC converter and a number of two-level cells creating an n-level line-to-neutral waveform. The converter is operated under a phase-shifted carrier pulse-width modulation (PWM). The mathematical model for the DC-link capacitors voltage behavior of a three-phase arrangement is also presented. It is shown through simulations and experimental work that the voltage of flying capacitors can naturally balance to the required level in order to generate multilevel waveform. Simulations and experimental work of a single-phase seven-level ANPC converter prototype are also presented.

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A new medium voltage drive system based on ANPC-5L technology

Cited by 159 publications

References 8 publications

Novel modulator for the hybrid two-cell flying-capacitor based ANPC converter

Novel modulator for the hybrid two-cell flying-capacitor based ANPC converter

High-Performance Motor Drives

An n-level flying capacitor based active neutral-point-clamped converter

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