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"name": "", "links": { "alternate": { "href": "https://www.zotero.org/m.srikanth", "type": "text/html" } } }, "creatorSummary": "Yahya", "parsedDate": "2008-12-14", "numChildren": 1 }, "data": { "key": "2HQGHF2D", "version": 1, "itemType": "conferencePaper", "title": "Performance monitoring of solar photovoltaic systems using reference cells", "creators": [ { "creatorType": "author", "firstName": "C. B", "lastName": "Yahya" } ], "abstractNote": "Performance monitoring of solar photovoltaic (PV) power systems is very essential for initial system evaluation, and continuous output optimization. Currently, PV system monitoring is complicated and expensive and limited to large scale grid connected solar PV plants. This paper surveys PV system monitoring methods and proposes a simple and economic method that can be used by stand alone PV power systems. The method uses reference cells to collect real time data and an electronic subsystem for processing. Experimental results show that reference cells power output correlate well with monitored module output and can be used for monitoring and optimization.", "proceedingsTitle": "International Conference on Microelectronics, 2008. ICM 2008", "conferenceName": "International Conference on Microelectronics, 2008. ICM 2008", "publisher": "IEEE", "place": "", "date": "14-17 Dec. 2008", "eventPlace": "", "volume": "", "issue": "", "numberOfVolumes": "", "pages": "445-449", "series": "", "seriesNumber": "", "DOI": "10.1109/ICM.2008.5393768", "ISBN": "978-1-4244-2369-9", "citationKey": "", "url": "", "accessDate": "", "ISSN": "", "archive": "", "archiveLocation": "", "shortTitle": "", "language": "English", "libraryCatalog": "IEEE Xplore", "callNumber": "", "rights": "", "extra": "", "tags": [ { "tag": "Batteries", "type": 1 }, { "tag": "Costs", "type": 1 }, { "tag": "DC-DC power converters", "type": 1 }, { "tag": "Degradation", "type": 1 }, { "tag": "Monitoring", "type": 1 }, { "tag": "Photovoltaic systems", "type": 1 }, { "tag": "Reference cells", "type": 1 }, { "tag": "Solar cells", "type": 1 }, { "tag": "Solar energy", "type": 1 }, { "tag": "Solar power generation", "type": 1 }, { "tag": "Sun", "type": 1 }, { "tag": "Switches", "type": 1 }, { "tag": "performance monitoring", "type": 1 }, { "tag": "photovoltaic power systems", "type": 1 }, { "tag": "renewable energy", "type": 1 }, { "tag": "smart modules", "type": 1 }, { "tag": "solar PV power systems", "type": 1 }, { "tag": "solar photovoltaic systems", "type": 1 } ], "collections": [ "CZHZ82DU" ], "relations": {}, "dateAdded": "2012-02-02T10:00:20Z", "dateModified": "2012-02-02T10:00:20Z" } }, { "key": "GQ9P9HVT", "version": 1, "library": { "type": "group", "id": 24133, "name": "Solar Tracking", "links": { "alternate": { "href": "https://www.zotero.org/groups/solar_tracking", "type": "text/html" } } }, "links": { "self": { "href": "https://api.zotero.org/groups/24133/items/GQ9P9HVT", "type": "application/json" }, "alternate": { "href": "https://www.zotero.org/groups/solar_tracking/items/GQ9P9HVT", "type": "text/html" } }, "meta": { "createdByUser": { "id": 300433, "username": "m.srikanth", "name": "", "links": { "alternate": { "href": "https://www.zotero.org/m.srikanth", "type": "text/html" } } }, "creatorSummary": "Gargiulo et al.", "parsedDate": "2010-06-14", "numChildren": 1 }, "data": { "key": "GQ9P9HVT", "version": 1, "itemType": "conferencePaper", "title": "A novel wireless self-powered microcontroller-based monitoring circuit for photovoltaic panels in grid-connected systems", "creators": [ { "creatorType": "author", "firstName": "M.", "lastName": "Gargiulo" }, { "creatorType": "author", "firstName": "P.", "lastName": "Guerriero" }, { "creatorType": "author", "firstName": "S.", "lastName": "Daliento" }, { "creatorType": "author", "firstName": "A.", "lastName": "Irace" }, { "creatorType": "author", "firstName": "V.", "lastName": "d'Alessandro" }, { "creatorType": "author", "firstName": "M.", "lastName": "Crisci" }, { "creatorType": "author", "firstName": "A.", "lastName": "Smarrelli" }, { "creatorType": "author", "firstName": "M.", "lastName": "Smarrelli" } ], "abstractNote": "A monitoring circuit for individual photovoltaic (PV) panels in grid-connected systems is proposed, which exhibits a number of features devised to simplify and reduce cost of diagnostics and maintenance of the PV plant. In particular, the system is provided with an effective energy harvesting supply stage, which eliminates the requirement for external supply or batteries; furthermore, no cables are needed for data transfer due to the adoption of a rugged wireless connectivity.", "proceedingsTitle": "2010 International Symposium on Power Electronics Electrical Drives Automation and Motion (SPEEDAM)", "conferenceName": "2010 International Symposium on Power Electronics Electrical Drives Automation and Motion (SPEEDAM)", "publisher": "IEEE", "place": "", "date": "14-16 June 2010", "eventPlace": "", "volume": "", "issue": "", "numberOfVolumes": "", "pages": "164-168", "series": "", "seriesNumber": "", "DOI": "10.1109/SPEEDAM.2010.5542234", "ISBN": "978-1-4244-4986-6", "citationKey": "", "url": "", "accessDate": "", "ISSN": "", "archive": "", "archiveLocation": "", "shortTitle": "", "language": "English", "libraryCatalog": "IEEE Xplore", "callNumber": "", "rights": "", "extra": "", "tags": [ { "tag": 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Even if the conventional diagnosis methods such as I–V measurement or Voc measurement could find the fault existence, those methods could not locate the fault position in the string. In this paper, the time domain reflectometry (TDR), which applies the voltage signal into the string and observes the signal response waveforms, was applied to the PV strings containing faults to detect the fault and locate its position. The results showed the disconnections and the degradations with series resistance increase between modules were detected with the response signal voltage rise and the signal rise timing shift. The signal voltage rise meant the impedance change in the string and the shift meant the disconnection / degradation positions, respectively.", "proceedingsTitle": "33rd IEEE Photovoltaic Specialists Conference, 2008. PVSC '08", "conferenceName": "33rd IEEE Photovoltaic Specialists Conference, 2008. PVSC '08", "publisher": "IEEE", "place": "", "date": "11-16 May 2008", "eventPlace": "", "volume": "", "issue": "", "numberOfVolumes": "", "pages": "1-5", "series": "", "seriesNumber": "", "DOI": "10.1109/PVSC.2008.4922843", "ISBN": "978-1-4244-1640-0", "citationKey": "", "url": "", "accessDate": "", "ISSN": "", "archive": "", "archiveLocation": "", "shortTitle": "", "language": "English", "libraryCatalog": "IEEE Xplore", "callNumber": "", "rights": "", "extra": "", "tags": [ { "tag": "Degradation", "type": 1 }, { "tag": "Electronic countermeasures", "type": 1 }, { "tag": "Fault detection", "type": 1 }, { "tag": "Fault diagnosis", "type": 1 }, { "tag": "Impedance", "type": 1 }, { "tag": "Monitoring", "type": 1 }, { "tag": "Position measurement", "type": 1 }, { "tag": "Reflectometry", "type": 1 }, { "tag": "Signal detection", "type": 1 }, { "tag": "Voltage", "type": 1 } ], "collections": [ "CZHZ82DU" ], "relations": {}, "dateAdded": "2012-02-02T09:57:32Z", "dateModified": "2012-02-02T09:57:32Z" } }, { "key": "5TRX9WT2", "version": 1, "library": { "type": "group", "id": 24133, "name": "Solar Tracking", "links": { "alternate": { "href": "https://www.zotero.org/groups/solar_tracking", "type": "text/html" } } }, "links": { "self": { "href": "https://api.zotero.org/groups/24133/items/5TRX9WT2", "type": "application/json" }, "alternate": { "href": "https://www.zotero.org/groups/solar_tracking/items/5TRX9WT2", "type": "text/html" }, "up": { "href": "https://api.zotero.org/groups/24133/items/C9CM3W5C", "type": "application/json" } }, "meta": { "createdByUser": { "id": 300433, "username": "m.srikanth", "name": "", "links": { "alternate": { "href": "https://www.zotero.org/m.srikanth", "type": "text/html" } } } }, "data": { "key": "5TRX9WT2", "version": 1, "parentItem": "C9CM3W5C", "itemType": "attachment", "linkMode": "imported_url", "title": "Analysis and Performance of a Two-Axis PV Tracker in Southern Spain", "accessDate": "2012-01-27T15:34:24Z", "url": "http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=JSEEDO000133000001011004000001&idtype=cvips&gifs=yes", "note": "", "contentType": "text/html", "charset": "utf-8", "filename": "GetabsServlet.html", "md5": null, "mtime": 1327678465362, "tags": [], "relations": {}, "dateAdded": "2012-01-27T15:34:24Z", "dateModified": "2012-01-27T15:34:55Z" } }, { "key": "C9CM3W5C", "version": 1, "library": { "type": "group", "id": 24133, "name": "Solar Tracking", "links": { "alternate": { "href": "https://www.zotero.org/groups/solar_tracking", "type": "text/html" } } }, "links": { "self": { "href": "https://api.zotero.org/groups/24133/items/C9CM3W5C", "type": "application/json" }, "alternate": { "href": "https://www.zotero.org/groups/solar_tracking/items/C9CM3W5C", "type": "text/html" } }, "meta": { "createdByUser": { "id": 300433, "username": "m.srikanth", "name": "", "links": { "alternate": { "href": "https://www.zotero.org/m.srikanth", "type": "text/html" } } }, "creatorSummary": "Almonacid et al.", "parsedDate": "2011-02", "numChildren": 1 }, "data": { "key": "C9CM3W5C", "version": 1, "itemType": "journalArticle", "title": "Analysis and Performance of a Two-Axis PV Tracker in Southern Spain", "creators": [ { "creatorType": "author", "firstName": "G.", "lastName": "Almonacid" }, { "creatorType": "author", "firstName": "E.", "lastName": "Munoz" }, { "creatorType": "author", "firstName": "F.", "lastName": "Baena" }, { "creatorType": "author", "firstName": "P.", "lastName": "Perez-Higueras" }, { "creatorType": "author", "firstName": "J.", "lastName": "Terrados" }, { "creatorType": "author", "firstName": "M. 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"lastName": "Fraas" } ], "abstractNote": "This chapter contains sections titled: IntroductionThe Modern Solar Tracker ERATracker GeometriesGround-Mounted Trackers for Utility Peak PowerAzimuth Trackers for Commercial Building Flat RoofsSolar Tracker EconomicsConclusionsAbbreviations", "publicationTitle": "", "publisher": "", "place": "", "date": "", "volume": "", "issue": "", "section": "", "partNumber": "", "partTitle": "", "pages": "207-217", "series": "", "seriesTitle": "", "seriesText": "", "journalAbbreviation": "", "DOI": "10.1002/9780470636886.ch9", "citationKey": "", "url": "http://onlinelibrary.wiley.com/doi/10.1002/9780470636886.ch9/summary", "accessDate": "2012-01-27T15:14:47Z", "PMID": "", "PMCID": "", "ISSN": "", "archive": "", "archiveLocation": "", "shortTitle": "", "language": "en", "libraryCatalog": "Wiley Online Library", "callNumber": "", "rights": "", "extra": "", "tags": [ { "tag": "azimuth trackers for commercial building flat roofs", "type": 1 }, { "tag": 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1327376824547, "tags": [], "relations": {}, "dateAdded": "2012-01-24T03:46:59Z", "dateModified": "2012-01-24T03:47:33Z" } }, { "key": "KMESTUMU", "version": 1, "library": { "type": "group", "id": 24133, "name": "Solar Tracking", "links": { "alternate": { "href": "https://www.zotero.org/groups/solar_tracking", "type": "text/html" } } }, "links": { "self": { "href": "https://api.zotero.org/groups/24133/items/KMESTUMU", "type": "application/json" }, "alternate": { "href": "https://www.zotero.org/groups/solar_tracking/items/KMESTUMU", "type": "text/html" } }, "meta": { "createdByUser": { "id": 300433, "username": "m.srikanth", "name": "", "links": { "alternate": { "href": "https://www.zotero.org/m.srikanth", "type": "text/html" } } }, "creatorSummary": "Meinhardt et al.", "parsedDate": "2001-12", "numChildren": 2 }, "data": { "key": "KMESTUMU", "version": 1, "itemType": "journalArticle", "title": "Multi-string-converter with reduced specific costs and enhanced functionality", "creators": [ { "creatorType": "author", "firstName": "Mike", "lastName": "Meinhardt" }, { "creatorType": "author", "firstName": "Günther", "lastName": "Cramer" }, { "creatorType": "author", "firstName": "Bruno", "lastName": "Burger" }, { "creatorType": "author", "firstName": "Peter", "lastName": "Zacharias" } ], "abstractNote": "The development of a PV-converter based on the advanced Multi-String concept results in significantly reduced specific costs while still profiting from the well-known advantages of the string-converter technology developed by ISET and SMA in the mid-1990s. The paper deals with the basic considerations from a system’s point of view that resulted in the development of the Multi-String-converter. The features of the Multi-String-converter concerning operational behaviour and PV-system design are described. Due to enhanced capacity of the operational control unit the Multi-String-converter can be used additionally for active compensation of harmonics and reactive power in order to improve the power quality. An evaluation of Multi-String-converters in comparison with string-converters or conventional central-converter concepts is presented. 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