Solar Tower to provide both heat and Power

  • sabrina
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08 Jan 2021 00:47 #9163 by sabrina
Hi,
I want to design a solar tower so that it can provide both heat and Power to an industrial plant. What is the best way to set it up in SAM.?
Shall I specify a number higher than 1 as multiple of the power cycle in the dispatch control page ?
kind regards
Sabrina 

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  • Paul Gilman
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11 Jan 2021 21:30 #9181 by Paul Gilman
Replied by Paul Gilman on topic Solar Tower to provide both heat and Power
Hi Sabrina,

SAM's power tower model uses heliostat defocusing to limit the output of the solar field to within the power cycle's design parameters, so oversizing the solar field will not result in excess heat for use by a process heat application.

Best regards,
Paul.

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  • sabrina
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14 Jan 2021 21:48 #9198 by sabrina
Replied by sabrina on topic Solar Tower to provide both heat and Power
Hi Paul,
Many thanks for the reply. The solar tower is combined with parabolic trough and used mainly to store heat during the day and releasing the heat during night time for the power cycle. The solar tower will only deliver 10% of the total power cycle with the rest going to storage.
Is there a way to configure this in SAM?
kind regards
Sabrina

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  • Paul Gilman
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16 Jan 2021 00:15 #9201 by Paul Gilman
Replied by Paul Gilman on topic Solar Tower to provide both heat and Power
Hi Sabrina,

SAM is not designed to model this type of system.

You might be able to approximate this design using the Combine Systems macro, but that would model a separate power cycle for the tower and trough fields, and would also model separate thermal energy storage for the two systems.

To use the Combine Systems macro, click Macros under the Simulate button, and then click the macro name.

Best regards,
Paul.

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