Dual-output photovoltaic inverter applied in reverse osmosis desalination
Power Electronics and Drive Systems(2013)
摘要
Photovoltaic reverse osmosis desalination has great significance not only in solving fresh water shortage, but also in providing a new way for solar energy utilization, especially in the remote area where electricity is unavailable. As one of the most important components of photovoltaic powered reverse osmosis desalination (PVRO) system, the design and application of inverter directly affect the whole system performance. In this paper, a new kind of dual-output photovoltaic inverter was designed to drive the lift pump and high pressure pump in the reverse osmosis device and control the rotational speed of pumps in accordance with the variation of solar radiation to realize the maximum power point tracking (MPPT). An experimental PVRO system was also built to evaluate the performance of the inverter. Furthermore, a practical optimization model is proposed to provide useful reference for the configuration and optimal design of PVRO systems.
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关键词
photovoltaic power systems,reverse osmosis,desalination,fresh water shortage,mppt,solar power,pumps,photovoltaic powered reverse osmosis desalination,high pressure pump,rotational speed control,photovoltaic inverter,solar energy utilization,maximum power point trackers,remote area,maximum power point tracking,invertors,solar radiation variation,angular velocity control,pvro system,lift pump,photovoltaic systems,production,solar radiation
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