{"id":797,"date":"2012-04-03T23:00:00","date_gmt":"2012-04-03T21:00:00","guid":{"rendered":"http:\/\/www.electrex.it\/en\/2012\/04\/03\/the-credem-group-controls-and-manages-the-photovoltaic-system-using-an-electrex-monitoring-system\/"},"modified":"2019-07-01T19:16:48","modified_gmt":"2019-07-01T17:16:48","slug":"the-credem-group-controls-and-manages-the-photovoltaic-system-using-an-electrex-monitoring-system","status":"publish","type":"post","link":"https:\/\/www.electrex.it\/en\/applications\/application-examples\/the-credem-group-controls-and-manages-the-photovoltaic-system-using-an-electrex-monitoring-system.html","title":{"rendered":"The Credem Group controls and manages the photovoltaic system using an Electrex monitoring system"},"content":{"rendered":"<p><\/p>\n<p><img decoding=\"async\" src=\"http:\/\/www.electrex.it\/en\/wp-content\/uploads\/2012\/04\/Credem_Logo.jpg\" mce_src=\"http:\/\/www.electrex.it\/en\/wp-content\/uploads\/2012\/04\/Credem_Logo.jpg\" alt=\"The Credem Group controls and manages the photovoltaic system using an Electrex monitoring system\" title=\"The Credem Group controls and manages the photovoltaic system using an Electrex monitoring system\" style=\"float: left; margin: 5px; border: 0pt none;\" mce_style=\"float: left; margin: 5px; border: 0pt none;\" height=\"81\" width=\"80\"> <span mce_name=\"strong\" mce_style=\"font-weight: bold;\" style=\"font-weight: bold;\" class=\"Apple-style-span\">The Credem Group controls and manages the photovoltaic system using an Electrex monitoring system<\/span><\/p>\n<p>The Credem Banking Group, has always paid attention to the issues of cost management and the return on investment for each of their assets.The Credem Banking Group, has always paid attention to the issues of cost management and the return on investment for each of their assests. When they decided to install a photovoltaic system at one of their properties, it was considered appropriate to adopt a system for measuring and managing the plant, in order to ensure a more efficient and effective management. The choice has fallen on an Electrex monitoring system which provides to the Energy Manager and the maintainer a continuous control on the operation of each component (inverter, panels, etc..) In order to avoid total or partial production blocking and at the same time allows to measure the energy used.<\/p>\n<p>  <!--more-->  <\/p>\n<p style=\"text-align: center;\" mce_style=\"text-align: center;\"><img decoding=\"async\" src=\"http:\/\/www.electrex.it\/en\/wp-content\/uploads\/2012\/04\/electrex-pagina-web-credem-1.jpg\" mce_src=\"http:\/\/www.electrex.it\/en\/wp-content\/uploads\/2012\/04\/electrex-pagina-web-credem-1.jpg\" alt=\"The Credem Group controls and manages the photovoltaic system using an Electrex monitoring system\" title=\"The Credem Group controls and manages the photovoltaic system using an Electrex monitoring system\" style=\"border: 0pt none;\" mce_style=\"border: 0pt none;\" height=\"335\" width=\"606\"><\/p>\n<p><\/p>\n<p><span mce_name=\"strong\" mce_style=\"font-weight: bold;\" style=\"font-weight: bold;\" class=\"Apple-style-span\">Composition of the system<\/span><\/p>\n<p>The monitoring system includes the following devices:<\/p>\n<ul>\n<li><img decoding=\"async\" src=\"http:\/\/www.electrex.it\/en\/wp-content\/uploads\/2012\/04\/PFE842-00.jpg\" mce_src=\"images\/stories\/strumenti\/113px\/PFE842-00.jpg\" alt=\"X3M D6 H Energy Data Manager\" title=\"X3M D6 H Energy Data Manager\" style=\"vertical-align: middle; border: 0pt none;\" mce_style=\"vertical-align: middle; border: 0pt none;\" border=\"0\" height=\"62\" width=\"62\"> n. 5 <a mce_href=\"http:\/\/www.electrex.it\/en\/products\/energy-data-manager\/pfe842-00.html\" href=\"http:\/\/www.electrex.it\/en\/products\/energy-data-manager\/pfe842-00.html\">X3M D6 H 85\u00f7265V ENERGY DATA MANAGER<\/a><br mce_bogus=\"1\"><\/li>\n<li><img decoding=\"async\" src=\"http:\/\/www.electrex.it\/en\/wp-content\/uploads\/2012\/04\/PFA6471-12.jpg\" mce_src=\"images\/stories\/strumenti\/113px\/PFA6471-12.jpg\" alt=\"Femto D4 DC RS485 Energy Analyzer\" title=\"Femto D4 DC RS485 Energy Analyzer\" style=\"vertical-align: middle;\" mce_style=\"vertical-align: middle;\" border=\"0\" height=\"49\" width=\"47\"> n. 102 <a href=\"http:\/\/www.electrex.it\/en\/products\/energy-meters-energy-analyzers\/pfa6471-12.html\" mce_href=\"http:\/\/www.electrex.it\/en\/products\/energy-meters-energy-analyzers\/pfa6471-12.html\">FEMTO D4 DC RS485 230-240V 1DI 2DO ENERGY ANALYZER<\/a><br mce_bogus=\"1\"><\/li>\n<li><img decoding=\"async\" src=\"http:\/\/www.electrex.it\/en\/wp-content\/uploads\/2012\/04\/PFA94D3-96.jpg\" mce_src=\"images\/stories\/strumenti\/300px\/PFA94D3-96.jpg\" alt=\"Yocto net D4 Network Bridge Data Logger\" title=\"Yocto net D4 Network Bridge Data Logger\" style=\"vertical-align: middle; border: 0pt none;\" mce_style=\"vertical-align: middle; border: 0pt none;\" border=\"0\" height=\"52\" width=\"52\"> n. 14 <a href=\"http:\/\/www.electrex.it\/en\/products\/energy-monitoring-networks.html\" mce_href=\"http:\/\/www.electrex.it\/en\/products\/energy-monitoring-networks.html\">YOCTO NET D4 NETWORK BRIDGE DATA LOGGER<\/a><br mce_bogus=\"1\"><\/li>\n<li><img decoding=\"async\" src=\"http:\/\/www.electrex.it\/en\/wp-content\/uploads\/2012\/04\/PFA9401-G6.jpg\" mce_src=\"images\/stories\/strumenti\/113px\/PFA9401-G6.jpg\" alt=\"Yocto I-O D4 Input-Output Device\" title=\"Yocto I-O D4 Input-Output Device\" style=\"vertical-align: middle;\" mce_style=\"vertical-align: middle;\" border=\"0\" height=\"51\" width=\"51\"> n. 3 <a href=\"http:\/\/www.electrex.it\/en\/products\/energy-monitoring-networks\/pfa9401-g6.html\" mce_href=\"http:\/\/www.electrex.it\/en\/products\/energy-monitoring-networks\/pfa9401-g6.html\">YOCTO I-O D4 8\u00f732V INPUT-OUTPUT DEVICE<\/a><br mce_bogus=\"1\"><\/li>\n<li><img decoding=\"async\" src=\"http:\/\/www.electrex.it\/en\/wp-content\/uploads\/2012\/04\/PFSW240-00.jpg\" mce_src=\"http:\/\/www.electrex.it\/en\/wp-content\/uploads\/2012\/04\/PFSW240-00.jpg\" alt=\"Software Energy Brain\" title=\"Software Energy Brain\" style=\"vertical-align: middle;\" mce_style=\"vertical-align: middle;\" &gt;=\"\" n.=\"\" 1=\"\" <a=\"\" href=\"http:\/\/www.electrex.it\/en\/2006\/10\/11\/software\/\" mce_href=\"http:\/\/www.electrex.it\/en\/2006\/10\/11\/software\/\" border=\"0\" height=\"61\" width=\"61\"><a mce_href=\"http:\/\/www.electrex.it\/en\/products\/software.html\" href=\"http:\/\/www.electrex.it\/en\/products\/software.html\">Software Energy Brain<\/a><br mce_bogus=\"1\"><\/li>\n<\/ul>\n<ul>\n<li> Nr. 1 Irradiance sensor<\/li>\n<li> Nr. 1 Temperature sensor<\/li>\n<\/ul>\n<p><\/p>\n<p><span mce_name=\"strong\" mce_style=\"font-weight: bold;\" style=\"font-weight: bold;\" class=\"Apple-style-span\">Automatic periodic reports<\/span><\/p>\n<p>The system automatically generates and sends, to authorized users, reports weekly, monthly and yearly, in graphical and numerical formats, which contain various information including: values \u200b\u200bof power and energy produced collected every 15 minutes of each inverter, value of the energy of each of the 102 strings produced during the day; measurement of irradiance, module&#8217;s temperature, etc..<\/p>\n<p style=\"text-align: center;\" mce_style=\"text-align: center;\"><img decoding=\"async\" style=\"border: 0pt none;\" mce_style=\"border: 0pt none;\" src=\"http:\/\/www.electrex.it\/en\/wp-content\/uploads\/2012\/04\/electrex-personal-report_credem-1.jpg\" mce_src=\"http:\/\/www.electrex.it\/en\/wp-content\/uploads\/2012\/04\/electrex-personal-report_credem-1.jpg\" alt=\"The Credem Group controls and manages the photovoltaic system using an Electrex monitoring system\" title=\"The Credem Group controls and manages the photovoltaic system using an Electrex monitoring system\" height=\"757\" width=\"670\"><\/p>\n<p>Also the generation of the production log registry for the Energy Authority, which normally is compiled manually, has been automated using the report option.<\/p>\n<p><span style=\"font-weight: bold; line-height: 1.3em;\" mce_style=\"font-weight: bold; line-height: 1.3em;\">Alarms\/Alerts Management<\/span><\/p>\n<p>Various alarms have been set in order to reveal eventual anomalies of the plant on time and with different priorities.<\/p>\n<p>The most serious event is the failure of one or more inverters. To detect this abnormality it is used the threshold value of irradiance and the value of power or current. This allows you to highlight a malfunction due to the inverters, switch on the breaker or a problem in the field. In practice, if the measured radiation exceeds the threshold set, all the inverters must be in production and thus have a value of power or power different from 0.<\/p>\n<p>An email reporting the problem will be sent in case this anomaly will  occur. It is possible to define a delay time in order to limit any false alarms due to the fact that the radiation sensor is only one while the inverters are connected to modules that can be found in different areas of the plant and therefore not irradiated in the same way. The alarm stops when the inverter returns in operation.<\/p>\n<p>Event of minor importance is the failure of a string. To detect this anomaly it is used the measured current value on the string compared with the measured value of one of the strings by side.And it is possible to configure the system so that if the difference of the value of current between 2 strings is greater than a certain percentage, an alarm message is sent.<\/p>\n<p>The productivity of the plant is monitored and reported with the same mode of control of the string. The system verifies that the delivered power measured by the instrument is greater than (in kW) of a given value multiplied by the value of radiation (w\/m2). If not an email alert is generated.<\/p>\n<p><\/p>\n<p style=\"text-align: center;\" mce_style=\"text-align: center;\"><img decoding=\"async\" style=\"border: 0pt none;\" mce_style=\"border: 0pt none;\" src=\"http:\/\/www.electrex.it\/en\/wp-content\/uploads\/2012\/04\/electrex-pagina-supervisione-allarmi-credem.jpg\" mce_src=\"http:\/\/www.electrex.it\/en\/wp-content\/uploads\/2012\/04\/electrex-pagina-supervisione-allarmi-credem.jpg\" alt=\"The Credem Group controls and manages the photovoltaic system using an Electrex monitoring system\" title=\"The Credem Group controls and manages the photovoltaic system using an Electrex monitoring system\"><\/p>\n<p><span mce_name=\"strong\" mce_style=\"font-weight: bold;\" style=\"font-weight: bold;\" class=\"Apple-style-span\"> <\/span><span mce_name=\"strong\" mce_style=\"font-weight: bold;\" style=\"font-weight: bold;\" class=\"Apple-style-span\"> <\/span><\/p>\n<p><span mce_name=\"strong\" mce_style=\"font-weight: bold;\" style=\"font-weight: bold;\" class=\"Apple-style-span\"> <\/span><\/p>\n<p><\/p>\n<p><span mce_name=\"strong\" mce_style=\"font-weight: bold;\" style=\"font-weight: bold;\" class=\"Apple-style-span\">WEB pages<\/span><\/p>\n<p>Several web pages were built and uploaded on various Yocto net that can be accessed via PC, tablet and smart phones. The pages display among other things: an aerial view of all the panels; various summary pages with the values \u200b\u200breported by Electrex devices and alarm status related; the values \u200b\u200bof the instantaneous power, the energy produced by photovoltaic, the energy used for productive activities, etc..; indication of the theoretical values \u200b\u200band those actually detected, an indication of the savings of TOE (Ton Oil Equivalent) and the value of TCO2 (Tonnes of carbon dioxide) not released into the atmosphere from the starting day.<\/p>\n<p><\/p>\n<p style=\"text-align: center;\" mce_style=\"text-align: center;\"><img decoding=\"async\" src=\"http:\/\/www.electrex.it\/en\/wp-content\/uploads\/2012\/04\/electrex-pagina-web-credem-2.jpg\" mce_src=\"http:\/\/www.electrex.it\/en\/wp-content\/uploads\/2012\/04\/electrex-pagina-web-credem-2.jpg\" alt=\"The Credem Group controls and manages the photovoltaic system using an Electrex monitoring system\" title=\"The Credem Group controls and manages the photovoltaic system using an Electrex monitoring system\" style=\"border: 0pt none;\" mce_style=\"border: 0pt none;\" width=\"606\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The Credem Group controls and manages the photovoltaic system using an Electrex monitoring system The Credem Banking Group, has always paid attention to the issues of cost management and the return on investment for each of their assets.The Credem Banking Group, has always paid attention to the issues of cost  [&#8230;]<\/p>\n","protected":false},"author":3,"featured_media":787,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[30],"tags":[148,87,44,149,158,151,92,39,160,159,40,156,153,157,152,103,154],"class_list":["post-797","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-application-examples","tag-application","tag-applications","tag-automation","tag-case","tag-credem","tag-efficiency","tag-electrex","tag-energy","tag-energy-manager","tag-italy","tag-monitoring","tag-networks","tag-open-web","tag-photovoltaic","tag-web","tag-x3m","tag-yocto-net"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - 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