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 | |
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.
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![]() | Utilisation Of Solar Energy By High Speed Turbine - Generator System
By Rafael K. Jardan, Istvan Nagy, Norbert Schendl, Tamas Ruzsanyi | |
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.
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