Parabolic Trough Steam Booster Heater

  • pgilman
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15 Jan 2014 10:31 #2088 by pgilman
Parabolic Trough Steam Booster Heater was created by pgilman
I want to include in power cycle of the physical trough a steam booster heater, which will heat up the steam before it enters the turbine. Does SAM has such a component or it has only the HTF heater and steam heater needs to be created manually?
SAM models a backup boiler that uses natural gas to heat the HTF at the solar field outlet to maintain the fluid temperature at its design point. It does not model a steam heater in the power block.

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  • Vahan Poghosyan
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16 Jan 2014 01:35 #2089 by Vahan Poghosyan
Replied by Vahan Poghosyan on topic Parabolic Trough Steam Booster Heater
Dear Paul,

Then how the steam booster heater can be added to SAM model?

Best Regards
Vahan

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  • pgilman
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16 Jan 2014 10:12 #2090 by pgilman
Replied by pgilman on topic Parabolic Trough Steam Booster Heater
Dear Vahan,

It is not possible to model a steam booster heater in SAM.

Best regards,
Paul.

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  • Vahan Poghosyan
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26 Jan 2014 00:16 #2091 by Vahan Poghosyan
Replied by Vahan Poghosyan on topic Parabolic Trough Steam Booster Heater
Dear Paul,

Is there any way to mimic the work of steam booster heater in SAM without modeling it?, booster heaters only function is to increase steam temperature from around 370 C to 540 C before steam enters the turbine, and booster heater works only when solar field operates at or exceeds design conditions.

Best Regards
Vahan.

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  • pgilman
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27 Jan 2014 09:41 #2092 by pgilman
Replied by pgilman on topic Parabolic Trough Steam Booster Heater
Dear Vahan,
I am not aware of a way to model a steam booster heater in the CSP models.
You could use the performance adjustment factors to reduce the system's total energy output as a way to account for the booster heater's energy, but that would require that you estimate the heater's annual energy requirement outside of SAM.
Best regards,

Paul.

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  • Vahan Poghosyan
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16 Feb 2014 09:10 #2093 by Vahan Poghosyan
Replied by Vahan Poghosyan on topic Parabolic Trough Steam Booster Heater
Dear Paul,
Is there any way to give Hourly Factor in Performance Adjustment section a value more than 1?
Best Regards,
Vahan

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