Objective
WITHIN THE FRAME OF THE CONCERTED ACTION PROGRAMME PROMOTED BY CEC DG XII TO INVESTIGATE THE MAIN PROBLEM AREAS IN PV PLANT DESIGN AND OPERATION, CONPHOEBUS S.C.R.L. HAS BEEN CALLED TO COORDINATE THE ACTION ON PV MODULES AND ARRAYS WITH THE FOLLOWING OBJECTIVES:
- TO IDENTIFY KEY LESSONS LEARNED ON DESIGN AND PERFORMANCE OF PV MODULES/ARRAYS AND TO DEVELOP GUIDELINES FOR THE IMPROVEMENT OF EXISTING PLANTS AND FOR FUTURE DESIGNS.
- TO ASSESS MODULE AND ARRAYS DEGRADATION AND FAILURE HISTORY.
- TO INVESTIGATE SILICON SOLAR IRRADIATION SENSOR CALIBRATION TECHNIQUES.
THE INVESTIGATION HAS BEEN EXTENDED TO 16 PV PILOT PLANTS ERECTED FROM MID 1983 TO 1984 WITH THE FINANCIAL HELP OF CEC AND TO DELPHOS, MADRID AND SENEGAL PLANTS, WHOSE RESPONSIBLES VOLUNTEERED TO PARTICIPATE TO THE ACTION.
TO GET MOST OF THE INFORMATION REQUIRED ONE PRELIMINARY AND TWO WORK QUESTIONNAIRES HAVE BEEN PREPARED WITH THE HELP OF MAJOR EUROPEAN EXPERTS AND THEN CIRCULATED TO PV PLANT LEADS AND DESIGNERS.
THE FIRST WORK QUESTIONNAIRE WAS ADDRESSED TO MODULE AND ARRAY DEGRADATION. THE ANSWERS OBTAINED ALLOW TO SAY THAT EVEN IF SOME DEFECTS HAVE BEEN PRESENT IN SOME PLANTS (LACK OF INSULATION, WINDOW CRACKS, ETC.) MOST OF THEM ARE TIED TO OUT-OF-DATE TECHNOLOGY AND DESIGN.
LESS INFORMATIONS HAVE BEEN SO FAR COLLECTED FROM THE ANSWERS TO THE "QUESTIONNAIRE ON MODULE AND ARRAY DESIGN". THIS CAN BE DUE ON ONE HAND TO THE FACT, IN SPITE OF CONTRACTOR'S SOLICITATIONS, LESS ANSWERS HAVE BEEN OBTAINED;ON THE OTHER HAND, HOWEVER, THIS PARTIALLY UNSATISFYING RESULT CAN BE DUE TO THE FACT THAT MOST OF THE PV DESIGNS HAVE BEEN MADE ON SEMI-EMPIRICAL GROUNDS AND SOME PROBLEMS (SAY GROUNDING OR LIGHTNING) ARE NOT YET PERFECTLY UNDERSTOOD.
WITHIN THE FRAME OF THE CONTRACT JRC-ISPRA PERFORMED TEST REPETION ON THE CEC-COFINANCED PLANTS OF NICE (F), VULCANO (I), TERSCHELLING (NL) AND AGHIA ROUMELI (GR): NO SIGNIFICANT VARIATIONS WERE IDENTIFIED WITH RESPECT TO INITIAL ACCEPTANCE VALUES. JRC COOPERATION HAS ALSO MADE IT POSSIBLE TO COMPARE MODULE PERFORMANCE AFTER FOUR YEAR EXPOSURE OUTDOOR IN THE ISPRA EARS TEST FIELD: THE RESULTS GENERALLY AGREE WITH THE EVIDENCE COLLECTED IN REAL PLANTS.
WITH THE FINANCIAL CONTRIBUTION OF ENEL (I), CONPHOEBUS COMPARED THE CHARACTERISTICS OF 200 MODULES TAKEN FROM VULCANO PLANT AFTER FOUR YEAR WORK, WITH THE IV CURVE OF THE SAME BATCH, MEASURED AT INSTALLATION TIME. ONLY TWO OUT OF 200 MODULES HAVE SHOWN ACTUAL POWER DEGRADATION.
ACCURACY AND RELIABILITY OF SI SENSORS IS AT PRESENT BEING INVESTIGATED IN A CALIBRATION CAMPAIGN WHICH IS GOING ON, WITH THE COORDINATION OF JRC-ISPRA AND THE TECHNICAL ADVICE OF DR. M. IMAMURA, IN FIVE EUROPEAN SOLAR LABS: CEN-CADARACHE (F); CIEMAT-MADRID (E); CONPHOEBUS-CATANIA (I); FRAUNHOFER INST.- FREIBURG (D); PPC-ATHENS (GR).
JRC HAS DESIGNED AND DISTRIBUTED SIX REFERENCE MODULES ALONG WITH REFERENCE PYRANOMETERS AND SILICON SENSORS CALIBRATED AT ISPRA FACILITY.
Fields of science (EuroSciVoc)
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
- humanities history and archaeology history
- engineering and technology electrical engineering, electronic engineering, information engineering electronic engineering sensors
- natural sciences chemical sciences inorganic chemistry metalloids
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Coordinator
95030 CATANIA, PIANO D'ARCI
Italy
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