EPE Association: EPE 2007 - Keynote Sessions

EPE 2007 - Keynote Sessions
You are here: EPE Documents > 01 - EPE & EPE ECCE Conference Proceedings > EPE 2007 - Conference > EPE 2007 - Keynote Sessions

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   Silicon Carbide power devices - Status and upcoming challenges
By FRIEDRICHS Peter [View]
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Abstract: The paper will give an overview of the status of SiC power devices with a focus on commercial, non-military applications. Besides the use in power supplies SiC was able to enter the drives market too. This was possible because of considerable progress in devices power rating, making it possible to implement these chips in modules. Performance and cost issues will be mentioned in order to explain why the SiC market is growing more slowly than numerous market analyses may suggest. However, it will be shown that the position of SiC in power electronics is manifested. For the further penetration of these components into applications the use of efficiency advantages given by the use of SiC components will be worked out as an important argument for justifying the higher device costs. The current version of commercially available diodes will be mentioned as well as an insight into the field of SiC power switches. A special focus will be given to the question of a right concept, topics like MOSFET and JFET as well as normally on and normally off will be addressed. Pros and cons of switches as well as the field of high voltage SiC devices will be highlighted in the final paragraphs as well as a short guide to decide whether the use of SiC components should be considered or not in certain applications.

   System optimization based on the example of the solar plane SolarImpulse
By PERRIARD Yves [View]
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Abstract: Keynote: System optimization based on the example of the solar plane SolarImpulse

   Today’s and Tomorrow’s Meaning of Power Electronics within the Grid Interconnection
By A. Rufer [View]
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Abstract: Power Electronics is expected to become a major component in the field of the global electric power management, as it is already today within most of electric power applications like variable speed drives or other conventional user applications. From the end of the sixties, up to the beginning of the 21st century, high power electronic converters have been used more and more for many usages connected to the grid, from the reactive power compensation to the long distance transmission lines. More recent examples have shown a large potential of new flexible management systems like UPFC’s, or other Flexible AC Transmission Systems. The paper presents the actual state of the art of the use of large power electronic converters within the grid interconnection, and for different fast growing new techniques of decentralized generation and within the context of the integration of renewable energy sources. Dedicated DC grids for energy collection from multiple medium size generators or for electric energy distribution are intended to play a major role in the future, as other new flexible structures based on the use of MF transformations.

EPE 2007 - Keynote Sessions
You are here: EPE Documents > 01 - EPE & EPE ECCE Conference Proceedings > EPE 2007 - Conference > EPE 2007 - Keynote Sessions
	[return to parent folder]

	Silicon Carbide power devices - Status and upcoming challenges By FRIEDRICHS Peter	[View] [Download]
Abstract: The paper will give an overview of the status of SiC power devices with a focus on commercial, non-military applications. Besides the use in power supplies SiC was able to enter the drives market too. This was possible because of considerable progress in devices power rating, making it possible to implement these chips in modules. Performance and cost issues will be mentioned in order to explain why the SiC market is growing more slowly than numerous market analyses may suggest. However, it will be shown that the position of SiC in power electronics is manifested. For the further penetration of these components into applications the use of efficiency advantages given by the use of SiC components will be worked out as an important argument for justifying the higher device costs. The current version of commercially available diodes will be mentioned as well as an insight into the field of SiC power switches. A special focus will be given to the question of a right concept, topics like MOSFET and JFET as well as normally on and normally off will be addressed. Pros and cons of switches as well as the field of high voltage SiC devices will be highlighted in the final paragraphs as well as a short guide to decide whether the use of SiC components should be considered or not in certain applications.

	System optimization based on the example of the solar plane SolarImpulse By PERRIARD Yves	[View] [Download]
Abstract: Keynote: System optimization based on the example of the solar plane SolarImpulse

	Today’s and Tomorrow’s Meaning of Power Electronics within the Grid Interconnection By A. Rufer	[View] [Download]
Abstract: Power Electronics is expected to become a major component in the field of the global electric power management, as it is already today within most of electric power applications like variable speed drives or other conventional user applications. From the end of the sixties, up to the beginning of the 21st century, high power electronic converters have been used more and more for many usages connected to the grid, from the reactive power compensation to the long distance transmission lines. More recent examples have shown a large potential of new flexible management systems like UPFC’s, or other Flexible AC Transmission Systems. The paper presents the actual state of the art of the use of large power electronic converters within the grid interconnection, and for different fast growing new techniques of decentralized generation and within the context of the integration of renewable energy sources. Dedicated DC grids for energy collection from multiple medium size generators or for electric energy distribution are intended to play a major role in the future, as other new flexible structures based on the use of MF transformations.