Spacing optimization study of Single-axis Polar Mounted Solar-thermal Passive Tracker based Solar Photovoltaic plant

Bharath Adapa, Ramesh Pawar Mamidi, Suryasivaprakash Alapati


-  The  deployment  of  Solar  Photo  Voltaic  (SPV)  systems  is  gaining  more  prominence  in  recent  times  among  the  various  renewable  energy  technologies  because  of  the  attractive  techno-economics,  easy  installation  and  maintenance.  Non-motorized  passive  tracking  systems  for  SPV  systems  are  being  developed  for  maintenance  free  operation  and  boosting  the  output  of  the  SPV  plants  by  about  25%.  SPV  systems  with  modular  capacities  varying  from  2  to  5  kW  using  such  tracking  mechanism  needs  an  efficient  layout  design  of  the  solar  field  with  minimized  shadow  effects.  In  the  current  paper,  field  optimization  of  single-axis  polar  mounted  (SPM)  solar-thermal  passive  tracker  (SPT)  for  a  50  kW  SPV  plant  has  been  carried  out  using  an  in-house  developed  MATLAB  based  Graphical  User  Interface  (GUI)  tool.  The  optimization  has  shown  increased  land  utilization  and  less  shadowing  of  the  individual  SPV  arrays.  The  operating  hours  throughout  the  year  was  calculated  for  the  SPV  field  varying  spacing  between  the  adjacent  SPV  arrays  in  East-West  (E-W)  direction  keeping  the  spacing  in  North-South  (N-S)  direction  constant.

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Solar Photovoltaic technology; Graphical User Interface; passive tracking system;

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