Difference between revisions of "Design parameter overview"

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[[Category:Design parameters]]
 
[[Category:Design parameters]]
The design process requires the person performing the design to select values for various different design coefficients that will be used through the rest of the design process. Some of desiggn coefficients have values that are recommended based upon industry practices, but there are others that will require the designer to make a determination that strikes the right balance between the [[Weather and solar resource evaluation|available weather and solar resource]], [[Load evaluation|load and usage estimates]], and budget vary for each off-grid PV project. Different values for critical coefficients like Depth of Discharge, Days of Autonomy, and System voltage should be tested during the design process to find the optimal design for the system.
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*'''[[System voltage parameter]]:''' Parameter for the nominal voltage for the direct current (DC) system.
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*'''[[Energy storage efficiency parameter]]:''' Parameter for the round-trip efficiency (energy in:energy out) of the [[Energy storage|energy storage system]].
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*'''[[Charge controller efficiency parameter]]:''' Parameter for the  estimated efficiency of the type of charge controller that is anticipated to be used with the system.
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The design process requires the person performing the design to select values for various different design parameters that will be used through the rest of the design process. Some of desiggn coefficients have values that are recommended based upon industry practices, but there are others that will require the designer to determine a value that strikes the right balance between the [[Special:MyLanguage/Weather and solar resource evaluation|weather and solar resource]], [[Special:MyLanguage/Load evaluation|load and usage estimates]], and budget. Different values for critical coefficients like depth of discharge, days of autonomy, and system voltage should be tested during the design process to find the optimal design for the system.
*'''[[PV module degradation parameter]]:''' Parameter for the estimated degradation of [[PV module|PV modules]] over time.
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*'''[[Irradiance safety parameter]]:''' Parameter to ensure that system components can handle periods of high irradiance.
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*'''[[Continuous duty safety parameter]]:''' Parameter to ensure that system components can handle periods of sustained current.
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*'''[[Special:MyLanguage/DC system voltage|DC system voltage]]:''' Parameter for the nominal voltage for the direct current (DC) system.
*'''[[Low voltage disconnect parameter]]:''' Parameter that determines when the system will shut off due to low voltage/insufficient stored energy.
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*'''[[Maximum system charging voltage parameter]]:''' Parameter that determines the maximum charging voltage for the [[Energy storage|energy storage system]].
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*'''[[Special:MyLanguage/Irradiance safety parameter|MyLanguage/Irradiance safety parameter]]:''' Parameter to ensure that system components can handle periods of high irradiance.
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*'''[[Special:MyLanguage/Continuous duty safety parameter|Continuous duty safety parameter]]:''' Parameter to ensure that system components can handle periods of high sustained current.
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*'''[[Special:MyLanguage/Low voltage disconnect parameter|Low voltage disconnect parameter]]:''' Parameter that determines when the system will shut off due to low voltage/ or insufficient stored energy.
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==Notes/references== <!--T:6-->
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Latest revision as of 11:03, 1 April 2021

Other languages:
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The design process requires the person performing the design to select values for various different design parameters that will be used through the rest of the design process. Some of desiggn coefficients have values that are recommended based upon industry practices, but there are others that will require the designer to determine a value that strikes the right balance between the weather and solar resource, load and usage estimates, and budget. Different values for critical coefficients like depth of discharge, days of autonomy, and system voltage should be tested during the design process to find the optimal design for the system.

  • DC system voltage: Parameter for the nominal voltage for the direct current (DC) system.

Notes/references