A modular multilevel converter based high-power high-current power supply

A modular multilevel converter based high-power high-current power supply

This paper presents a power supply for high power and high current DC applications. Presently thyristor rectifiers along with passive filters are used in these applications, which suffer from poor input power factor and input current quality problems. The proposed power supply utilizes a modular mul...

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Hauptverfasser: Solanki, J., Frohleke, N., Bocker, J., Wallmeier, P.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Capacitors
high current rectifier
Inductors
Medium voltage
modular multilevel converter
power factor
Power supplies
Reactive power
Rectifiers
Voltage control
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creator Solanki, J.
Frohleke, N.
Bocker, J.
Wallmeier, P.
description This paper presents a power supply for high power and high current DC applications. Presently thyristor rectifiers along with passive filters are used in these applications, which suffer from poor input power factor and input current quality problems. The proposed power supply utilizes a modular multilevel rectifier and inverter, medium-frequency transformer and diode rectifier to convert medium-voltage AC to low-voltage DC via a medium-frequency AC link. Configuration provides unique advantages like high efficiency, high input power factor, good input current quality and controlled output current over the full operating range. Circuit configuration, design, control and performance of the proposed system are discussed in detail. Simulation results are presented to verify the performance and effectiveness of the system.
doi_str_mv 10.1109/ICIT.2013.6505713
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Presently thyristor rectifiers along with passive filters are used in these applications, which suffer from poor input power factor and input current quality problems. The proposed power supply utilizes a modular multilevel rectifier and inverter, medium-frequency transformer and diode rectifier to convert medium-voltage AC to low-voltage DC via a medium-frequency AC link. Configuration provides unique advantages like high efficiency, high input power factor, good input current quality and controlled output current over the full operating range. Circuit configuration, design, control and performance of the proposed system are discussed in detail. 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Presently thyristor rectifiers along with passive filters are used in these applications, which suffer from poor input power factor and input current quality problems. The proposed power supply utilizes a modular multilevel rectifier and inverter, medium-frequency transformer and diode rectifier to convert medium-voltage AC to low-voltage DC via a medium-frequency AC link. Configuration provides unique advantages like high efficiency, high input power factor, good input current quality and controlled output current over the full operating range. Circuit configuration, design, control and performance of the proposed system are discussed in detail. Simulation results are presented to verify the performance and effectiveness of the system.</abstract><pub>IEEE</pub><doi>10.1109/ICIT.2013.6505713</doi><tpages>7</tpages></addata></record>
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subjects Capacitors
high current rectifier
Inductors
Medium voltage
modular multilevel converter
power factor
Power supplies
Reactive power
Rectifiers
Voltage control
title A modular multilevel converter based high-power high-current power supply
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