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Multiobjective Vector Modulation for Improved Control of NPC-Based Multi-Source Inverters in Hybrid Traction Systems

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Utilization of the Integrated Gate Commutated Thyristor as a semiconductor switch in the Series Resonant Converter for isolated medium voltage DC-DC conversion offers an opportunity for high conversion efficiency while operating at the high switching frequ ...

2019

Extending Protection Selectivity in DC Shipboard Power Systems by Means of Additional Bus Capacitance

Drazen Dujic, Seongil Kim

DC shipboard power systems have been connsidered as a promising solution for stricter environmental regulations on ships due to their main benefits in fuel savings with variable speed engines and easy integration of energy storage systems. In order to empl ...

2019

Quasi two-level operation of voltage source converters, intended to operate either within high/medium voltage DC networks or low output frequency applications, has caught the attention of both academia and industry. Sequential insertion of the so-called su ...

2019

A Dual-Edge Pulsewidth Modulator for Fast Dynamic Response DC-DC Converters

Maher Kayal, Adil Koukab, Giacomo Ripamonti, Stefano Michelis, Federico Faccio

Voltage regulator modules are dc-dc converters that power modern microprocessors. They must exhibit a fast dynamic response, in order to achieve satisfactory regulation performance in spite of the rapid load current variations. The pulsewidth modulator is ...

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC2019

Comparison of Different Precision Pseudo Resistor Realizations in the DC-Feedback of Capacitive Transimpedance Amplifiers

Georg Fantner, Jens Anders

In this paper, three different pseudo resistor (PR) realizations are compared regarding their noise and linearity performance within the DC feedback loop of an integrator-differentiator transimpedance amplifier (I-D-TIA). Thanks to its intrinsic shot noise ...

IEEE2019

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Although challenging, control of the modular multilevel converter internal variables has been addressed using several different approaches so far. With the aim of maintaining the submodules’ energies within a predefined band, the socalled circulating curre ...

IEEE New York2019

Peta-pico-Voltron: An open-source high voltage power supply

Samuel Rosset, Samuel Schlatter

We present the design (hardware + software) of “Peta-pico-Voltron”, a low-current high voltage power supply for electrostatic actuators. Developed primarily for dielectric elastomer actuators, it offers a low-cost solution to generate user controllable vol ...

2018

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To improve the performances of the present European Organization for Nuclear Research (CERN) Large Hadron Collider (LHC), a new family of power supplies for Superconducting Magnets (SCM) is being designed to enhance the operating cycle and recover magnetic ...

2018

Medium Voltage DC-DC Converter for Power Collection Links

Gina Kristin Steinke

Nowadays electrical energy generation is an important topic discussed in the society. Since technologies like wind or solar energy generation are most of the time placed far away from the city centres one point to focus on is the transmission of the energy ...

EPFL2017

Marine MVDC Multi-Phase Multi-Pulse Supply

Drazen Dujic, Francisco Daniel Freijedo Fernández, Uzair Javaid, Wim Van der Merwe

This paper presents comparative evaluation and explores the different technologies suitable for the implementation of the Medium Voltage Direct Current (MVDC) electrical supplies for the marine on-board electrical distribution network. To realize the MVDC ...

2017