Distributed generation is a flexible and effective way to utilize renewable energy. The dispersed generators are quite close to the load, and pose some power quality problems such as harmonic current emissions. This paper focuses on the harmonic propagation and interaction between a small-scale wind farm and nonlinear loads in the distribution grid. Firstly, by setting the wind turbines as P – ...

The inflow an individual wind turbine experiences in a farm layout is strongly dependent on flow interaction effects with the turbines surrounding it. In addition to well-known wake flows, lateral and upstream effects, commonly described as blockage have also recently gained some attention. this work, measurements induction zone of neighboring are presented for different arrangements three seve...

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Recent research on the impact of institutions su¤ers from historical, theoretical, and methodological problems. The historical issue is whether the initially poorer countries became wealthier, as Acemoglou, Johnson, and Robinson (2002) would have us believe. The theoretical question is whether the institutions that should matter are those that protect property rights or those that coordindate i...

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