Approaches for developing a sizing method for stand-alone PV systems with variable demand
Accurate sizing is one of the most important aspects to take into consideration when designing a stand-alone photovoltaic system (SAPV). Various methods, which differ in terms of their simplicity or reliability, have been developed for this purpose. Analytical methods, which seek functional relation...
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| Veröffentlicht in: | Renewable energy 2008-05, Vol.33 (5), p.1037-1048 |
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| creator | Posadillo, R. López Luque, R. |
| description | Accurate sizing is one of the most important aspects to take into consideration when designing a stand-alone photovoltaic system (SAPV). Various methods, which differ in terms of their simplicity or reliability, have been developed for this purpose. Analytical methods, which seek functional relationships between variables of interest to the sizing problem, are one of these approaches.
A series of rational considerations are presented in this paper with the aim of shedding light upon the basic principles and results of various sizing methods proposed by different authors. These considerations set the basis for a new analytical method that has been designed for systems with variable monthly energy demands.
Following previous approaches, the method proposed is based on the concept of loss of load probability (LLP)—a parameter that is used to characterize system design. The method includes information on the standard deviation of loss of load probability (
σ
LLP) and on two new parameters: annual number of system failures (
f) and standard deviation of annual number of failures (
σ
f
).
The method proves useful for sizing a PV system in a reliable manner and serves to explain the discrepancies found in the research on systems with LLP |
| doi_str_mv | 10.1016/j.renene.2007.06.004 |
| format | Article |
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A series of rational considerations are presented in this paper with the aim of shedding light upon the basic principles and results of various sizing methods proposed by different authors. These considerations set the basis for a new analytical method that has been designed for systems with variable monthly energy demands.
Following previous approaches, the method proposed is based on the concept of loss of load probability (LLP)—a parameter that is used to characterize system design. The method includes information on the standard deviation of loss of load probability (
σ
LLP) and on two new parameters: annual number of system failures (
f) and standard deviation of annual number of failures (
σ
f
).
The method proves useful for sizing a PV system in a reliable manner and serves to explain the discrepancies found in the research on systems with LLP<10
−2. We demonstrate that reliability depends not only on the sizing variables and on the distribution function of solar radiation, but on the minimum value as well, which in a given location and with a monthly average clearness index, achieves total solar radiation on the receiver surface.</description><identifier>ISSN: 0960-1481</identifier><identifier>EISSN: 1879-0682</identifier><identifier>DOI: 10.1016/j.renene.2007.06.004</identifier><language>eng</language><publisher>Oxford: Elsevier Ltd</publisher><subject>Applied sciences ; Energy ; Equipments, installations and applications ; Exact sciences and technology ; Natural energy ; Photovoltaic conversion ; PV sizing ; Solar energy ; Solar radiation variability ; Stand-alone PV systems</subject><ispartof>Renewable energy, 2008-05, Vol.33 (5), p.1037-1048</ispartof><rights>2007 Elsevier Ltd</rights><rights>2008 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c367t-50c12a43d338a5ee41b3d680d623121c3ff1a757025ab025f45feded7cb356153</citedby><cites>FETCH-LOGICAL-c367t-50c12a43d338a5ee41b3d680d623121c3ff1a757025ab025f45feded7cb356153</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.renene.2007.06.004$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=20056214$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Posadillo, R.</creatorcontrib><creatorcontrib>López Luque, R.</creatorcontrib><title>Approaches for developing a sizing method for stand-alone PV systems with variable demand</title><title>Renewable energy</title><description>Accurate sizing is one of the most important aspects to take into consideration when designing a stand-alone photovoltaic system (SAPV). Various methods, which differ in terms of their simplicity or reliability, have been developed for this purpose. Analytical methods, which seek functional relationships between variables of interest to the sizing problem, are one of these approaches.
A series of rational considerations are presented in this paper with the aim of shedding light upon the basic principles and results of various sizing methods proposed by different authors. These considerations set the basis for a new analytical method that has been designed for systems with variable monthly energy demands.
Following previous approaches, the method proposed is based on the concept of loss of load probability (LLP)—a parameter that is used to characterize system design. The method includes information on the standard deviation of loss of load probability (
σ
LLP) and on two new parameters: annual number of system failures (
f) and standard deviation of annual number of failures (
σ
f
).
The method proves useful for sizing a PV system in a reliable manner and serves to explain the discrepancies found in the research on systems with LLP<10
−2. We demonstrate that reliability depends not only on the sizing variables and on the distribution function of solar radiation, but on the minimum value as well, which in a given location and with a monthly average clearness index, achieves total solar radiation on the receiver surface.</description><subject>Applied sciences</subject><subject>Energy</subject><subject>Equipments, installations and applications</subject><subject>Exact sciences and technology</subject><subject>Natural energy</subject><subject>Photovoltaic conversion</subject><subject>PV sizing</subject><subject>Solar energy</subject><subject>Solar radiation variability</subject><subject>Stand-alone PV systems</subject><issn>0960-1481</issn><issn>1879-0682</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2008</creationdate><recordtype>article</recordtype><recordid>eNp9kE1r3EAMhofSQLeb_oMefElvdiSPZ2xfAktImkCgPSSBnobZGbk7iz-2I2dL-uszmw05FoEk0KNX6BXiK0KBgPp8W0QaUxQlQF2ALgCqD2KBTd3moJvyo1hAqyHHqsFP4jPzFgBVU1cL8Wu128XJug1x1k0x87SnftqF8XdmMw7_Ds1A82byr2Oe7ehz208jZT8fM37mmQbO_oZ5k-1tDHbdU9IYEnUqTjrbM315q0vxcH11f3mT3_34fnu5usud1PWcK3BY2kp6KRuriCpcS68b8LqUWKKTXYe2VjWUyq5T6irVkSdfu7VUGpVcim9H3fTHnyfi2QyBHfW9HWl6YoNtja2CNoHVEXRxYo7UmV0Mg43PBsEcfDRbc_TRHHw0oE3yMa2dvelbdrbvoh1d4PfdhCpd4oG7OHKUnt0HioZdoNGRD5HcbPwU_n_oBVG_ivE</recordid><startdate>20080501</startdate><enddate>20080501</enddate><creator>Posadillo, R.</creator><creator>López Luque, R.</creator><general>Elsevier Ltd</general><general>Elsevier Science</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7ST</scope><scope>7U6</scope><scope>C1K</scope></search><sort><creationdate>20080501</creationdate><title>Approaches for developing a sizing method for stand-alone PV systems with variable demand</title><author>Posadillo, R. ; López Luque, R.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c367t-50c12a43d338a5ee41b3d680d623121c3ff1a757025ab025f45feded7cb356153</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2008</creationdate><topic>Applied sciences</topic><topic>Energy</topic><topic>Equipments, installations and applications</topic><topic>Exact sciences and technology</topic><topic>Natural energy</topic><topic>Photovoltaic conversion</topic><topic>PV sizing</topic><topic>Solar energy</topic><topic>Solar radiation variability</topic><topic>Stand-alone PV systems</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Posadillo, R.</creatorcontrib><creatorcontrib>López Luque, R.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Environment Abstracts</collection><collection>Sustainability Science Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><jtitle>Renewable energy</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Posadillo, R.</au><au>López Luque, R.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Approaches for developing a sizing method for stand-alone PV systems with variable demand</atitle><jtitle>Renewable energy</jtitle><date>2008-05-01</date><risdate>2008</risdate><volume>33</volume><issue>5</issue><spage>1037</spage><epage>1048</epage><pages>1037-1048</pages><issn>0960-1481</issn><eissn>1879-0682</eissn><abstract>Accurate sizing is one of the most important aspects to take into consideration when designing a stand-alone photovoltaic system (SAPV). Various methods, which differ in terms of their simplicity or reliability, have been developed for this purpose. Analytical methods, which seek functional relationships between variables of interest to the sizing problem, are one of these approaches.
A series of rational considerations are presented in this paper with the aim of shedding light upon the basic principles and results of various sizing methods proposed by different authors. These considerations set the basis for a new analytical method that has been designed for systems with variable monthly energy demands.
Following previous approaches, the method proposed is based on the concept of loss of load probability (LLP)—a parameter that is used to characterize system design. The method includes information on the standard deviation of loss of load probability (
σ
LLP) and on two new parameters: annual number of system failures (
f) and standard deviation of annual number of failures (
σ
f
).
The method proves useful for sizing a PV system in a reliable manner and serves to explain the discrepancies found in the research on systems with LLP<10
−2. We demonstrate that reliability depends not only on the sizing variables and on the distribution function of solar radiation, but on the minimum value as well, which in a given location and with a monthly average clearness index, achieves total solar radiation on the receiver surface.</abstract><cop>Oxford</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.renene.2007.06.004</doi><tpages>12</tpages></addata></record> |
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| language | eng |
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| source | Access via ScienceDirect (Elsevier) |
| subjects | Applied sciences Energy Equipments, installations and applications Exact sciences and technology Natural energy Photovoltaic conversion PV sizing Solar energy Solar radiation variability Stand-alone PV systems |
| title | Approaches for developing a sizing method for stand-alone PV systems with variable demand |
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