公开(公告)号：US10476431B1

公开(公告)日：2019-11-12

申请号：US16529717

申请日：2019-08-01

Applicant: KUWAIT INSTITUTE FOR SCIENTIFIC RESEARCH

Inventor： Feras Ghazi Alzubi ,  Abdullah Ramadhan Alkandary ,  Abdulwahab Tareq Alasfour

IPC: H02S50/10 ,  G01N21/94 ,  H02S40/10 ,  H01L31/02 ,  G01R29/24

Abstract: The device and method for measuring the effect of soiling on a photovoltaic device includes a device in which a photovoltaic device (reference solar cell, solar cells, PV module, etc.) may be shifted between partially and fully enclosed compartments in quick succession for measurements of the same device (1) when directly exposed to illumination or solar radiation; (2) when placed under a glass or transparent cover maintained cleared or cleaned of soil; and (3) when placed under glass or transparent cover left exposed to natural outdoor soiling, or attenuated using simulated soil that is not periodically cleaned. The measurements may be of short circuit current (Isc), maximum power (Pmax), or other electrical parameter conventionally used to evaluate performance of the photovoltaic device. A soiling ratio calculated as: SR Pmax = 1 - P max ⁢ ⁢ 2 - P max ⁢ ⁢ 3 P max ⁢ ⁢ 1 or calculated as: SR Isc = 1 - I sc ⁢ ⁢ 2 - I sc ⁢ ⁢ 3 I sc ⁢ ⁢ 1 may be used to compare or monitor performance of the photovoltaic device between measurement cycles.

公开(公告)号：US10594258B1

公开(公告)日：2020-03-17

申请号：US16528587

申请日：2019-07-31

Applicant: KUWAIT INSTITUTE FOR SCIENTIFIC RESEARCH

Inventor： Abdullah Ramadhan Alkandary ,  Abdulwahab Tareq Alasfour ,  Feras Ghazi Alzubi

IPC: G01R31/00 ,  H02S50/10 ,  G01N21/94 ,  H02S40/10 ,  H01L31/02 ,  G01R29/24

Abstract: The device and method for measuring the effect of soiling on a photovoltaic device includes a device in which a photovoltaic device (reference solar cell, solar cells, PV module, etc.) may be shifted between partially and fully enclosed compartments in quick succession for measurements of the same device (1) when directly exposed to illumination or solar radiation; (2) when placed under a glass or transparent cover maintained cleared or cleaned of soil; and (3) when placed under glass or transparent cover left exposed to natural outdoor soiling, or attenuated using simulated soil that is not periodically cleaned. The measurements may be of short circuit current (Isc), maximum power (Pmax), or other electrical parameter conventionally used to evaluate performance of the photovoltaic device. A soiling ratio calculated as: SR Pmax = 1 - P max ⁢ ⁢ 2 - P max ⁢ ⁢ 3 P max ⁢ ⁢ 1 or calculated as: SR Isc = 1 - I sc ⁢ ⁢ 2 - I sc ⁢ ⁢ 3 I sc ⁢ ⁢ 1 may be used to compare or monitor performance of the photovoltaic device between measurement cycles.

公开(公告)号：US10447201B1

公开(公告)日：2019-10-15

申请号：US16244041

申请日：2019-01-09

Applicant: KUWAIT INSTITUTE FOR SCIENTIFIC RESEARCH

Inventor： Feras Ghazi Alzubi ,  Abdulwahab Tariq Al-Asfour ,  Abdullah Ramadhan Alkandary

IPC: H02S50/10

Abstract: The device and method for measuring the effect of soiling on a photovoltaic device includes a device in which a photovoltaic device (reference solar cell, solar cells, PV module, etc.) may be shifted between partially and fully enclosed compartments in quick succession for measurements of the same device (1) when directly exposed to illumination or solar radiation; (2) when placed under a glass or transparent cover maintained cleared or cleaned of soil; and (3) when placed under glass or transparent cover left exposed to natural outdoor soiling, or attenuated using simulated soil that is not periodically cleaned. The measurements may be of short circuit current (Isc), maximum power (Pmax), or other electrical parameter conventionally used to evaluate performance of the photovoltaic device. A soiling ratio calculated as: SR Pmax = 1 - P max ⁢ ⁢ 2 - P max ⁢ ⁢ 3 P max ⁢ ⁢ 1 or calculated as: SR Isc = 1 - I sc ⁢ ⁢ 2 - I sc ⁢ ⁢ 3 I sc ⁢ ⁢ 1 may be used to compare or monitor performance of the photovoltaic device between measurement cycles.