Solar photovoltaic(PV)systems have gained importance as a promising renewable energy source in recent years.PV arrays are prone to variable irradiance levels under partial shading conditions due to non-uniform shading...Solar photovoltaic(PV)systems have gained importance as a promising renewable energy source in recent years.PV arrays are prone to variable irradiance levels under partial shading conditions due to non-uniform shading.As a result,there will be a decrease in the amount of power produced and hotspots will occur.To overcome these issues,it is essential to select an appropriate PV material and a suitable array configuration.To obtain the maximum output power from a PV array under partial shading conditions,this paper suggests a novel triple-series–parallel ladder topology with monocrystalline PV material.Considering short and wide,long and wide,short and narrow,long and narrow,middle and diagonal shading situations,a 6×6-sized array has been considered and compared with other existing configurations such as total cross-tied,bridge-link,honeycomb,series–parallel and series–parallel cross-tied.The proposed configuration has an optimal number of cross ties to produce maximum power.It has 4 cross ties fewer than a honeycomb,3 cross ties fewer than a bridge link,16 cross ties fewer than a total cross-tied and 7 cross ties fewer than series–parallel cross-tied configurations.The proposed configuration has an improvement in power of 0.1%to 20%compared with other configurations under the considered shading scenarios.展开更多
文摘Solar photovoltaic(PV)systems have gained importance as a promising renewable energy source in recent years.PV arrays are prone to variable irradiance levels under partial shading conditions due to non-uniform shading.As a result,there will be a decrease in the amount of power produced and hotspots will occur.To overcome these issues,it is essential to select an appropriate PV material and a suitable array configuration.To obtain the maximum output power from a PV array under partial shading conditions,this paper suggests a novel triple-series–parallel ladder topology with monocrystalline PV material.Considering short and wide,long and wide,short and narrow,long and narrow,middle and diagonal shading situations,a 6×6-sized array has been considered and compared with other existing configurations such as total cross-tied,bridge-link,honeycomb,series–parallel and series–parallel cross-tied.The proposed configuration has an optimal number of cross ties to produce maximum power.It has 4 cross ties fewer than a honeycomb,3 cross ties fewer than a bridge link,16 cross ties fewer than a total cross-tied and 7 cross ties fewer than series–parallel cross-tied configurations.The proposed configuration has an improvement in power of 0.1%to 20%compared with other configurations under the considered shading scenarios.
