Solar Thermal Power Solutions
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  Solar Thermal Energy Systems Design
  Solar thermal systems utilize radiation from the sun to produce heat. This heat can be used to produce steam for process applications or to drive a turbine and produce electricity. Solar thermal electricity represents a huge domestic energy resource, and there is a growing interest in using this resource because of the reduced CO2 emissions.

We specialize in designing

  • Small-Scale Solar Electric Power Plants
  • Systems for producing Process Steam
  • High-efficiency flat plate solar thermal collectors

We provide (a) project engineering feasibility studies, (b) equipment procurement and (c) system construction and commissioning.

  Small-Scale Solar Electric Power Plants
Solar electric power using parabolic troughs collectors are one of the lowest cost solar electric power options available today. Current cost of electricity from parabolic trough power plants is $0.10 to $0.12 per kWh. The expectation is to reduce this cost to $0.04 to $0.05 per kWh.

Parabolic trough power plants use curved, mirrored trough which reflects the direct solar radiation onto a receiver pipe running the length of the trough. They can focus the sun at 30-60 times its normal intensity on the receiver pipe. A heat transfer fluid, usually oil, flows through the pipe. This fluid is then used to generate steam for industrial processes or to power a steam turbine coupled to an electric generator. 
The collectors trough is rotated to follow the sun to maximize the suns energy input to the receiver tube. The trough does not require tracking on a second axis.
  Thermal Energy Storage Module
  The thermal electric solar plants can provide continuous power (day or night) through the integration of thermal energy storage.  In our design, a thermal energy storage module is developed to allows solar thermal energy (collected during the day) to be used to generate solar electricity to meet demand during the evenings and summer peak hours.
  The thermal storage system uses a two tank system in which some of the heat from the Parabolic Trough system is stored in a "Hot Tank". Some of the Heat Transfer Fluid is routed through a heat exchanger as fluid (typically a nitrate salt solution) from a "Cold Tank" is pumped into the "Hot Tank", thus transferring heat from the solar field to the "Hot Tank".  At night (or during periods of high demand) the hot salt solution us used to heat the Heat Transfer Fluid flows, by pumping it to the "Cold Tank" through the heat exchanger.
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