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RECENT ADVANCES IN OUTDOOR PERFORMANCE EVALUATION OF PV SYSTEMS M. A. Quintana, D. L. world-beater J. E. Cannon, J. R. Woodworth W.E.B son, N. P. Adams D. E. E 8 e e Sandia National Laboratories Albuquerque, NM, 87185-5800 EG&G Special Projects Albuquerque Division Abstract Sandias Photovoltaic Techology Laboratory (PTEL) routinely performs alfresco hears of a variety of onesun and concentrator PV modules. O r e erience is u that while outdoor examination has its own organise Zproblems, it loafer roduce results that are more directly applicable to fiepd conditions than testing in solar simulators. We leave recent1 modify both the ironware and bundle at the &L to im rove our accuracy and to appoint with the particular set o?problems encountered in outdoor testing. Improvements in hardware include a computer-controlled solar tracker that allows us to test arrays up to 21 m2 in size; infrared imagery of modules; and electronic scores that allow us to test componen ts with outputs up to 1,800 watts. Improvements i n software include real-time monitor of info collection; a relational data habitation that has improved the reliability of test setups, operations and analyses; and a like account process that relates module performance to a turn of environmental parameters.

variables, and decrease the cost and turn-around time involved with testing. Specifically, we have belatedly added 1) a immature computer controlled tracker, 2) new electronic loads with the capability of testing components with outputs up to 1,800 watts, 3) an IR television camera employ to look at modu le hot spots, 4) a new data collection and a! nalysis system and 5 ) a new standardized reporting format. These recent additions leave behind be discussed in the sections that follow. Solar Trackers We have recently a d d e d t o the PTEL a n a azimuth/elevation solar tracker which w s originally built by ARC0 solar in 1985 and which was recently modified and refurbished by Advanced caloric Systems (ATS).The tracker has an open...If you hope to get a full essay, order it on our website: BestEssayCheap.com

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