Help updates for SAM 2023.12.17 r1 #1725
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Clean up window reference topics. Detailed PV time series results, also note lat/long/elev/tz pass through from weather file Fix PV land area and GCR descriptions. Revise Solar Resource topic Electric Load subhourly weather file available via solar resource Advanced Donwload option.
brtietz
approved these changes
Mar 1, 2024
| <p class="p_VariableName" style="page-break-inside: avoid; page-break-after: avoid;"><span class="f_VariableName">Ground coverage ratio (GCR)</span></p> | ||
| <p class="p_VariableDescription"><span class="f_VariableDescription">The ratio of the photovoltaic array area to the total ground area. For an array configured in rows of modules, the GCR is the length of the side of one row divided by the distance between the bottom of one row and the bottom of its neighboring row. An array with a low ground coverage ratio (closer to zero) has rows spaced further apart than an array with a high ground coverage ratio (closer to 1).</span></p> | ||
| <p class="p_VariableDescription"><span class="f_VariableDescription">The ratio of the photovoltaic array area to the ground area occupied by the array. For an array configured in rows of modules, the GCR is the length of the side of one row divided by the distance between the bottom of one row and the bottom of its neighboring row. Increasing the GCR dereases the spacing between rows.</span></p> |
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Typo: "decreases"
Is it worth mentioning that tilt doesn't affect GRC? I've gotten that question twice in the last few weeks.
| <p class="p_VariableName" style="page-break-inside: avoid; page-break-after: avoid;"><span class="f_VariableName">Land area per system capacity</span></p> | ||
| <p class="p_VariableDescription"><span class="f_VariableDescription">When you choose </span><span class="f_CHInterfaceElement">Enter area per capacity in acres/MWe</span><span class="f_VariableDescription">, type the land use estimate in acres per AC megawatt of system capacity.</span></p> | ||
| <p class="p_VariableDescription"><span class="f_VariableDescription">When you choose </span><span class="f_CHInterfaceElement">Enter area per capacity in acres/MWac</span><span class="f_VariableDescription">, type the land use estimate in acres per AC megawatt of system capacity. Typical values range between 5 and 10 acres/MWac.</span></p> |
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I might recommend knocking the lower limit down to 4. The latest report from the reV team has 4.3 acres/MWac (assuming an ILR of 1.34) https://www.nrel.gov/docs/fy24osti/87843.pdf (pg 7)
| <p class="p_VariableName" style="page-break-inside: avoid; page-break-after: avoid;"><span class="f_VariableName">Land area per system capacity</span></p> | ||
| <p class="p_VariableDescription"><span class="f_VariableDescription">When you choose </span><span class="f_CHInterfaceElement">Enter area per capacity in acres/MWe</span><span class="f_VariableDescription">, type the land use estimate in acres per AC megawatt of system capacity.</span></p> | ||
| <p class="p_VariableDescription"><span class="f_VariableDescription">When you choose </span><span class="f_CHInterfaceElement">Enter area per capacity in acres/MWac</span><span class="f_VariableDescription">, type the land use estimate in acres per AC megawatt of system capacity. Typical values range between 5 and 10 acres/MWac.</span></p> |
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If we change detailed PV based on my comment above, this also needs to change.
sjanzou
approved these changes
Mar 3, 2024
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Clean up window reference topics.
Detailed PV time series results, also note lat/long/elev/tz pass through from weather file
Fix PV land area and GCR descriptions.
Revise Solar Resource topic
Electric Load subhourly weather file available via solar resource Advanced Donwload option.