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The rapid development of photovoltaic (PV) generation systems has made the low voltage ride-through (LVRT) techniques, which is stepping forward fast, more and more important. This paper presents a review of LVRT techniques for PV generation systems, which mainly focuses on the critical techniques of fault detection and grid synchronization, current control and dc-link voltage control under various...
In this paper, the optimum control technology of an independent type of hybrid power system with wind and solar power generation, which enables a stable power supply to the loads, proposed and developed. This system comprises wind power generation inverter, solar power generation inverter, bidirectional inverter for storage batteries, and engine generator. Each inverter is connected with engine generator...
The wind energy generation, utilization and its grid penetration in electrical grid is increasing world wide. The wind generated power is always fluctuating due to its time varying nature and causing stability problem. This weak interconnection of wind generating source in the electrical network affect the power quality and reliability. The localized energy storages shall compensate the fluctuating...
High penetration level of wind power generation in the interconnected electrical network and the increasing rated power of the wind energy converter units imposes new technical challenges to engineers. The first one is to guarantee grid stability despite the stochastic nature of wind while the second one is to limit the power losses since electrical machines efficiency do not augment proportionally...
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