05. - 07.06.2018
Power Electronics | Intelligent Motion | Renewable Energy | Energy Management
Power Electronics Topologies
Tuesday, 05.06.2018, 14:00 - 15:15 hrs
Francisco Javier Azcondo, University of Cantabria, E
Protection Schemes in Low-Voltage DC Shipboard Systems
Shipbuilding industry has increased interest into DC shipboard systems due to their main benefits. These new power systems come with technical challenges in system protection owing to low thermal capability of semiconductor devices. This paper presents feasible protection schemes against DC short circuit faults for three different types of, commercially available, LVDC rectifier systems. A novel protection method by means of an artificial three-phase short circuit on AC-side is also proposed for the active rectifier.
Power Stage and Control Design of A 60-kV 60-kW Switching-mode Power Supply for Industrial Electrostatic Precipitators
This paper presents the design of a high-voltage power supply for electrostatic precipitator (ESP) applications. The topology of the power stage in this work is a quasi-resonance LC converter with multiple inverter circuits and voltage multipliers, and the control design is based on a small-signal model of the power stage. Two sets of proportional-integral (PI) control parameters are designed for full-load and light-load situations according to the smallsignal model that is derived with a modeling method proposed for LC converters. The power stage and control design are verified by simulations and a prototype.
Design and Characterization of a Full-SiC 80 kW Current Source Inverter for Photovoltaic Applications
The purpose of this paper is to study and discuss the design and characterization of a full-SiC 100 kW CSI suitable for large-scale photovoltaic applications. In order to insure optimal operation, the newly developed CSI power modules are firstly characterized through the double-pulse test method. Based on this, the design of the converter is presented, including the decoupling capacitors sizing and realization. Finally, a calorimetric method is implemented to investigate the converter's efficiency under nominal power operation.
Commissariat à l´énergie atomique et aux énergies alternatives, Le Bourget-du-Lac, Frankreich
Luis G. Alves Rodrigues was born in Guaratingueta, Brazil, in 1991. He received the B. Sc. degree in electrical engineering from both the São Paulo State University, Ilha Solteira, Brazil, and the Institut National Polytechnique de Toulouse, France, in 2015. He is currently working towards his Ph.D at the CEA/INES and the Grenoble Electrical Engineering Laboratory (G2Elab) in France. His research interests include power electronics for renewable energy sources, DC-AC converters and wide band-gap devices.
North China University of Technology, Beijing, China
Shengwen Fan received the B.Eng. degree from University of Science and Technology Beijing in 2001 and the M.Eng. degree from North China University of Technology (NCUT) in 2009. He was a Lecturer and then an Associate Professor at Beihua University, China from 1991 to 2009. He joined in NCUT as an Associate Professor in 2009, where he is currently a Professor in Electrical Engineering. His research interests include high-voltage power supplies, sensorless motor drive, and low-voltage dc/dc power converters.
EPFL - Ecole polytechnique fédérale de Lausanne, Lausanne, Schweiz
Seongil Kim received the B.Sc and M.Sc. degrees from the Hanyang University, Republic of Korea, in 2005 and 2007, respectively. Since 2007, he has been with the Hyundai Electric & Energy Systems Research Centre, Republic of Korea, as a Lead Researcher in power system and high voltage technologies. In January 2017, he joined École Polytechnique Fédérale de Lausanne, Switzerland, as a full-time Doctoral Assistant. His current research interests include the areas of design and protection of DC-based shipboard systems.