An Overview of One-Sun Solar Thermal Technology
An Overview of One-Sun Solar Thermal Technology
An Overview of One-Sun Solar Thermal Technology
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Further Classification Dimensions<br />
• Controller in active systems<br />
• Active, differential controller<br />
» Pump on when T collector > (T tank-bottom + ~20 o F)<br />
• PV-pump<br />
» DC pump is controlled by PV panel<br />
• Timer<br />
• Overheat protection methods<br />
• None: most common<br />
• Vent the collector<br />
• Evaporate fluid from collector<br />
• Dump storage heat<br />
» boiling, passive radiator, ground loop, night-time circulation<br />
• …<br />
SEET <strong>Solar</strong> <strong>Thermal</strong> Seminar 7/26/07