- Posts: 5
Can I modify a cell temperature model equation
- bpm77
- Topic Author
Less
More
04 Jan 2019 17:37 #6587
by bpm77
Can I modify a cell temperature model equation was created by bpm77
Hello Paul,
I'm trying to use SAM to model a floating PV system and I wanted to change the equation SAM uses to calculate cell temperature. The equation found in the literature is rather simple and considers ambient temperature, irradiance and wind speed something between the lines of tcell = a*ambient temperature + b*irradiance + c*wind speed.
Is there a way to modify the way it is calculated to a user input equation?
Thanks for the support,
Bruno
I'm trying to use SAM to model a floating PV system and I wanted to change the equation SAM uses to calculate cell temperature. The equation found in the literature is rather simple and considers ambient temperature, irradiance and wind speed something between the lines of tcell = a*ambient temperature + b*irradiance + c*wind speed.
Is there a way to modify the way it is calculated to a user input equation?
Thanks for the support,
Bruno
Please Log in or Create an account to join the conversation.
- pgilman
Less
More
- Posts: 5415
04 Jan 2019 20:10 #6588
by pgilman
Replied by pgilman on topic Can I modify a cell temperature model equation
Dear Bruno,
It is not possible to modify the equation SAM's photovoltaic models calculate cell temperature. The different module models offer different cell temperature calculation options.
We are making some changes to the structure of the photovoltaic models that may make it possible to define a custom equation in the future, so I've added your request to a related one on the SAM GitHub Issues list:
github.com/NREL/SAM/issues/106
Best regards,
Paul.
It is not possible to modify the equation SAM's photovoltaic models calculate cell temperature. The different module models offer different cell temperature calculation options.
We are making some changes to the structure of the photovoltaic models that may make it possible to define a custom equation in the future, so I've added your request to a related one on the SAM GitHub Issues list:
github.com/NREL/SAM/issues/106
Best regards,
Paul.
Please Log in or Create an account to join the conversation.
- adteves
Less
More
- Posts: 2
11 May 2021 03:52 #9583
by adteves
Replied by adteves on topic Can I modify a cell temperature model equation
May I know an update on this concern? Thank you!
Please Log in or Create an account to join the conversation.
- pgilman
Less
More
- Posts: 5415
11 May 2021 09:01 #9584
by pgilman
Replied by pgilman on topic Can I modify a cell temperature model equation
Hi Adriane,
We are not actively working on this issue at the moment.
SAM is an open source software project, so it would be possible to build your own version of SAM and modify the cell temperature calculations. You can find build instructions on the SAM GitHub repository's wiki: github.com/NREL/SAM/wiki .
Best regards,
Paul.
We are not actively working on this issue at the moment.
SAM is an open source software project, so it would be possible to build your own version of SAM and modify the cell temperature calculations. You can find build instructions on the SAM GitHub repository's wiki: github.com/NREL/SAM/wiki .
Best regards,
Paul.
Please Log in or Create an account to join the conversation.
- adteves
Less
More
- Posts: 2
24 May 2021 05:05 #9619
by adteves
Replied by adteves on topic Can I modify a cell temperature model equation
Thank you for the quick response!
Please Log in or Create an account to join the conversation.
- fcprinsloo
Less
More
- Posts: 2
13 Aug 2021 23:34 #9933
by fcprinsloo
Replied by fcprinsloo on topic Can I modify a cell temperature model equation
It may be possible to simulate Floating Solar PV in SAM if cell temperatures could be modified or offset in SAM.
Procedures for modifying some of the parameters for floating solar in PVlib or PVsyst are described herein:
Sustainability Assessment Framework and Methodology with Trans-disciplinary Numerical Simulation Model for Analytical Floatovoltaic Energy System Planning Assessments
www.researchgate.net/publication/353718769_Sustainability_Assessment_Framework_and_Methodology_with_Trans-disciplinary_Numerical_Simulation_Model_for_Analytical_Floatovoltaic_Energy_System_Planning_Assessments
Procedures for modifying some of the parameters for floating solar in PVlib or PVsyst are described herein:
Sustainability Assessment Framework and Methodology with Trans-disciplinary Numerical Simulation Model for Analytical Floatovoltaic Energy System Planning Assessments
www.researchgate.net/publication/353718769_Sustainability_Assessment_Framework_and_Methodology_with_Trans-disciplinary_Numerical_Simulation_Model_for_Analytical_Floatovoltaic_Energy_System_Planning_Assessments
Please Log in or Create an account to join the conversation.
Moderators: pgilman