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7 results on '"Jauch, Felix"'

1. Medium Voltage AC-DC Converter Systems for Ultra-Fast Charging Stations for Electric Vehicles

Author

Jauch, Felix Thomas, Biela, Jürgen, and Driesen, Johan

Subjects
STATIC CONVERTERS (ELECTRICAL ENGINEERING), ELECTRICAL INSTALLATIONS (ELECTRICAL ENGINEERING), STROMRICHTER (ELEKTROTECHNIK), FAHRZEUGE MIT ELEKTROANTRIEB (FAHRZEUGTECHNIK), ELEKTRISCHE INSTALLATIONEN + ELEKTRISCHE ANLAGEN (ELEKTROTECHNIK), VEHICLES WITH ELECTRIC TRACTION (VEHICLE ENGINEERING), Engineering & allied operations, ddc:620
Published
2016

2. Bidirectional Isolated ZVS DC-DC Converter with Nonpulsating Input & Output Current

Author

Jauch, Felix and Biela, Jürgen

Subjects
Battery Storage, Modular Multilevel Converter, Zero-Voltage-Switching, DC-DC Converter, Nonpulsating Input/Output Current
Abstract

A new bidirectional isolated Zero-Voltage Switching (ZVS) DC-DC converter with nonpulsating input and output current is proposed. This converter is ideally suited for battery charging application and is applied as a submodule in a battery storage system based on a modular multilevel converter (M2C). The current output of the proposed DC-DC converter enables small current ripple for directly interfacing a battery without the need of additional filter components. The derivation of topol ogy, the operating principle, the analysis of the ZVS area as well as simulation results of a 12.4 kW DC-DC converter and a M2C submodule are provided., XI Brazilian Power Electronics Conference, ISBN:978-1-4577-1646-1, ISBN:978-1-4577-1644-7, ISBN:978-1-4577-1645-4

Published
2011

3. Combined Phase-Shift and Frequency Modulation of a Dual-Active-Bridge AC–DC Converter With PFC.

Author

Jauch, Felix and Biela, Jurgen

Subjects
*FREQUENCY modulation detectors, *AC DC transformers, *CONVERTERS (Electronics), *ELECTRIC switchgear, *ZERO voltage switching, *ELECTRIC power factor, *COMMUTATION (Electricity)
Abstract

This paper presents a combined phase-shift and frequency modulation scheme of a dual–active-bridge (DAB) ac–dc converter with power factor correction (PFC) to achieve zero voltage switching (ZVS) over the full range of the ac mains voltage. The DAB consists of a half bridge with bidirectional switches on the ac side and a full bridge on the dc side of the isolation transformer to accomplish single-stage power conversion. The modulation scheme is described by means of analytical formulas, which are used in an optimization procedure to determine the optimal control variables for minimum switch commutation currents. Furthermore, an ac current controller suitable for the proposed modulation scheme is described. A loss model and measurements on a 3.3-kW electric vehicle battery charger to connect to the 230 \textV_\textrms  / 50-Hz mains considering a battery voltage range of 280–420 V validate the theoretical analysis. [ABSTRACT FROM AUTHOR]

Published
2016
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