A Pathway for Sustained Commercial Development and Deployment of Parabolic Trough Technology

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A Pathway for Sustained Commercial Development and Deployment of Parabolic Trough Technology ( a-pathway-sustained-commercial-development-and-deployment-pa )

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Parabolic-Trough Technology Roadmap January 1999 OPERATION AND MAINTENANCE Operation and maintenance is an important element of the levelized electricity cost for concentrating solar power plants because of the large number of parts in the solar field. Important lessons have been learned and advancements made through the cooperative KJC Operating Company/Sandia program on O&M cost reduction, pointing to steps that need to be refined and implemented in future systems. Guidelines need to be developed to allow designers to include O&M considerations in the design phases, including such features as redundancy, ease of access, rapid replacement, and facilitation of nighttime maintenance. ÿ Specialized O&M Equipment Development of specialized industrial-grade O&M equipment can significantly reduce O&M costs at solar power plant facilities. Specialized O&M equipment includes mirror washing machines, tools for rapid reflectivity measurements, collector alignment jigs and tools, and HTF evacuation trailers. ÿ Plant Information Management Optimum management of a solar plant requires rapid access to plant information. Given the complex and distributed nature of a solar power plant, extensive information gathering, analysis, and reporting systems are required. This information includes plant operating data, engineering designs and specifications, maintenance data, spare parts inventory, procurement status, and all financial information. These are normally part of the conventional power plant management system, but must be modified to adequately handle a distributed solar field as well. In particular, tracking and handling of solar field maintenance requirements and planning can be critically important. ÿ O&M Procedures and Training Given the nonstandard nature of these projects, custom solar field and power plant O&M training manuals and procedures should be developed. The KJC/Sandia cooperative program mentioned above has made an excellent start in this area. Availability of these types of documents are critical for rapid start-up of new plants and the ability to obtain design-level performance from the plants. Page 27

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