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RECENT ADVANCES IN outdoor(a) PERFORMANCE EVALUATION OF PV SYSTEMS M. A. Quintana, D. L. sprite 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 outside tests of a variety of onesun and concentrator PV mental facultys. O r e erience is u that while outdoor scrutiny has its own set Zproblems, it bottom roduce results that are more in a flash applicable to fiepd conditions than testing in solar simulators. We hand over recent1 substitute both the ironware and mailboat at the &L to im wind our accuracy and to deal with the special(a) set o?problems encountered in outdoor testing. Improvements in computing machine hardware hold a computer-controlled solar tracker that allows us to test arrays up to 21 m2 in sizing; infrared imaging of modules; and electronic scores that allow us to test components with outputs up to 1,800 watts. Improvements i n software include real- meter monitoring of information collection; a comparative data base that has amend the reliability of test setups, trading operations and analyses; and a standardized write up process that relates module implementation to a number of environmental parameters.

variables, and decrease the cost and turn-around time involved with testing. Specifically, we have latterly added 1) a immature computer controlled tracker, 2) brand-new electronic stacks with the capability of testing components with outputs up to 1,800 watts, 3) an IR camera enlist to look at module hot spots, 4) a new data collection and psychoanalysis system and 5 ) a new standardized reporting format. These recent additions will 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 reinforced by ARC0 solar in 1985 and which was recently modified and refurbished by Advanced Thermal Systems (ATS).The tracker has an open...If you bank to get a full(a) essay, order it on our website: Ordercustompaper.com

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