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Change default value of allow_startup_shutdown param to 1 #1072

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sriharid
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@sriharid sriharid commented Dec 8, 2023

Setting this parameter to 0, which is also its default value, could result in an infeasibility since max_shutdown_power_constraint_rule (which only allows Provide_Power_Shutdown_MW = 0) is incompatible with ramp_during_shutdown_constraint_rule (which enforces the Shutdown_Ramp_Rate_MW_Per_Tmp).

Fixes #1071

Setting this parameter to 0, which is also its default value, could
result in an infeasibility since max_shutdown_power_constraint_rule
(which only allows Provide_Power_Shutdown_MW = 0) is incompatible with
ramp_during_shutdown_constraint_rule (which enforces the
Shutdown_Ramp_Rate_MW_Per_Tmp).
@sriharid sriharid marked this pull request as ready for review December 8, 2023 20:04
@anamileva
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@sriharid, the default value of this param is 0 by design. The goal was to ask the user to explicitly enable the startup/shutdown trajectory functionality when they have inputs for it. The relevant constraints need to be turned off when inputs are not present to avoid "phantom" generation. Please just set the param to 1 when using the functionality.

@sriharid
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Understood @anamileva, I am closing this PR.

@sriharid sriharid closed this Dec 11, 2023
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Infeasibiity due to allow_startup_shutdown_power
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