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 EPE-PEMC 2004 - Topic 13-2: Photo-Voltaic systems 
 You are here: EPE Documents > 04 - EPE-PEMC Conference Proceedings > EPE-PEMC 2004 - Conference > EPE-PEMC 2004 - Topic 13: RENEWABLE, WASTE ENERGY SYSTEMS > EPE-PEMC 2004 - Topic 13-2: Photo-Voltaic systems 
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   Controlled Power Grid Coupling Of A Three Phase Solar Inverter 
 By Patrick William Fischer, Steven Liu 
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Abstract: This paper describes the system principle, the hardware architecture, the current controller design and a maximum power point tracker for connecting a three-phase solar inverter to the power grid. The hardware structure is based on a microcontroller system controlling an IGBT sixpack, the power electronic components and assemblies. The maximum power point (MPP) tracker provides the reference current value. The current controller operates with (d,q)-vectors describing the full decoupled active and reactive current. The use of a PI-controller makes also an anti-windup strategy necessary.

 
   Utilisation Of Solar Energy By High Speed Turbine - Generator System 
 By Rafael K. Jardan, Istvan Nagy, Norbert Schendl, Tamas Ruzsanyi 
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Abstract: The paper describes a special system that can be used to generate electric power by utilising solar energy. The solution is based on a system that consists of a combined solar thermal collector/photovoltaic cell, a high speed turbinegenerator, a three phase AC/AC converter and a supervisory control unit. The electric power generated by the system can be fed back to the utility mains by an ac/ac converter or it can be used in stand-alone mode. The paper describes the operation of the system suggested for the utilisation of solar energy, its basic control strategies and principles applied in the two basic modes of operation. The operation and dynamic behaviour of the system is studied by computer simulation techniques.