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Optimum Energy Harvesting for Series-Connected Power Sources with Uniform Voltage Distribution
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作者 Kasemsan Siri Michael Willhoff 《Journal of Energy and Power Engineering》 2012年第8期1250-1262,共13页
This paper presents a power system architecture where SIPO (series-input parallel-output) converters are controlled to achieve uniform inpt voltages across their respective series-connected power sources while also ... This paper presents a power system architecture where SIPO (series-input parallel-output) converters are controlled to achieve uniform inpt voltages across their respective series-connected power sources while also tracking the system optimum power point; the system optimum power point is the maximum power drawn from the series-connected power sources while their voltages are kept uniformly distributed. With proper uniform input voltage distribution control, near maximum use of the power sources is achieved by employing only one MPT (maximum power tracking) controller instead of multiple MPT controllers dedicated for their respective power sources. Provided that the maximum power point voltages of the input power sources are similar, the resulting system architecture offers near-maximum power transfer with a lower parts count. A feasibility study using computer simulation has successfully validated two SIPO power architectures and their control concepts for optimum power transfer. 展开更多
关键词 Optimum power tracking uniform voltage distribution series-connected sources DC-DC converter solar array.
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