{"id":3704,"date":"2020-12-09T11:28:24","date_gmt":"2020-12-09T10:28:24","guid":{"rendered":"https:\/\/pq-as-a-service.com\/system-failure-despite-conformity\/"},"modified":"2021-04-07T09:44:56","modified_gmt":"2021-04-07T08:44:56","slug":"system-failure-despite-conformity","status":"publish","type":"page","link":"https:\/\/pq-as-a-service.com\/en\/system-failure-despite-conformity\/","title":{"rendered":"System failure despite conformity"},"content":{"rendered":"<div  class='av-hotspot-image-container av-kf3nnjb9-85095342444ec0400d36a1a4842d0ff1  avia-builder-el-0  el_before_av_heading  avia-builder-el-first  av-hotspot-numbered av-mobile-fallback-active  av-non-fullwidth-hotspot-image'  itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class='av-hotspot-container'><div class='av-hotspot-container-inner-cell'><div class='av-hotspot-container-inner-wrap'><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-1106 avia-img-lazy-loading-not-1106 avia_image' src=\"https:\/\/i0.wp.com\/pq-as-a-service.com\/wp-content\/uploads\/2020\/09\/Blackout-Kerze.jpg?fit=1500%2C430&ssl=1\" alt='' title='Blackout'  height=\"430\" width=\"1500\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/i0.wp.com\/pq-as-a-service.com\/wp-content\/uploads\/2020\/09\/Blackout-Kerze.jpg?w=1500&amp;ssl=1 1500w, https:\/\/i0.wp.com\/pq-as-a-service.com\/wp-content\/uploads\/2020\/09\/Blackout-Kerze.jpg?resize=300%2C86&amp;ssl=1 300w, https:\/\/i0.wp.com\/pq-as-a-service.com\/wp-content\/uploads\/2020\/09\/Blackout-Kerze.jpg?resize=1030%2C295&amp;ssl=1 1030w, https:\/\/i0.wp.com\/pq-as-a-service.com\/wp-content\/uploads\/2020\/09\/Blackout-Kerze.jpg?resize=768%2C220&amp;ssl=1 768w, https:\/\/i0.wp.com\/pq-as-a-service.com\/wp-content\/uploads\/2020\/09\/Blackout-Kerze.jpg?resize=705%2C202&amp;ssl=1 705w\" sizes=\"(max-width: 1500px) 100vw, 1500px\" \/><\/div><\/div><\/div><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_heading-e034625c4ba5bc017d99ff08e7a5bc63\">\n#top .av-special-heading.av-av_heading-e034625c4ba5bc017d99ff08e7a5bc63{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-av_heading-e034625c4ba5bc017d99ff08e7a5bc63 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-av_heading-e034625c4ba5bc017d99ff08e7a5bc63 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-av_heading-e034625c4ba5bc017d99ff08e7a5bc63 av-special-heading-h1 blockquote modern-quote  avia-builder-el-1  el_after_av_image_hotspot  el_before_av_one_full  avia-builder-el-first '><h1 class='av-special-heading-tag '  itemprop=\"headline\"  >EVERYTHING IN THE GREEN AREA &#8211; SYSTEM FAILED<\/h1><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-bo0hq-8c748e0bda88596303f122c8792bb49d\">\n.flex_column.av-bo0hq-8c748e0bda88596303f122c8792bb49d{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-bo0hq-8c748e0bda88596303f122c8792bb49d av_one_full  avia-builder-el-2  el_after_av_heading  el_before_av_hr  first flex_column_div av-zero-column-padding  '     ><section  class='av_textblock_section av-kgandyjv-60bd519646a60a837068fa361642f9d9 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h3>&#8230; and this despite conformity of the voltage quality<\/h3>\n<\/div><\/section><\/div><div  class='hr av-9sv1y-0c7e6bc9f93dfc644a751c84475713b5 hr-default  avia-builder-el-4  el_after_av_one_full  el_before_av_one_half '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><\/p>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-8v28e-31dec0a9601f6d944fe0d812cd55dc17\">\n.flex_column.av-8v28e-31dec0a9601f6d944fe0d812cd55dc17{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-8v28e-31dec0a9601f6d944fe0d812cd55dc17 av_one_half  avia-builder-el-5  el_after_av_hr  el_before_av_one_half  first flex_column_div av-zero-column-padding  '     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-kgan2q76-eb6272360069496103ca83c37fc42b12\">\n.avia-image-container.av-kgan2q76-eb6272360069496103ca83c37fc42b12 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-kgan2q76-eb6272360069496103ca83c37fc42b12 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-kgan2q76-eb6272360069496103ca83c37fc42b12 av-styling- av-img-linked avia_animated_image av-animated-when-visible-95 fade-in avia-align-left  avia-builder-el-6  avia-builder-el-no-sibling '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><a href=\"https:\/\/pq-as-a-service.com\/en\/demand-side-power-quality\/\" class='avia_image '  target=\"_blank\"  rel=\"noopener noreferrer\" aria-label='Road Sign with ERROR Word'><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-3213 avia-img-lazy-loading-not-3213 avia_image ' src=\"https:\/\/i0.wp.com\/pq-as-a-service.com\/wp-content\/uploads\/2020\/10\/error-meldung.jpg?fit=800%2C600&ssl=1\" alt='' title='Road Sign with ERROR Word'  height=\"600\" width=\"800\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/i0.wp.com\/pq-as-a-service.com\/wp-content\/uploads\/2020\/10\/error-meldung.jpg?w=800&amp;ssl=1 800w, https:\/\/i0.wp.com\/pq-as-a-service.com\/wp-content\/uploads\/2020\/10\/error-meldung.jpg?resize=300%2C225&amp;ssl=1 300w, https:\/\/i0.wp.com\/pq-as-a-service.com\/wp-content\/uploads\/2020\/10\/error-meldung.jpg?resize=768%2C576&amp;ssl=1 768w, https:\/\/i0.wp.com\/pq-as-a-service.com\/wp-content\/uploads\/2020\/10\/error-meldung.jpg?resize=705%2C529&amp;ssl=1 705w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/a><\/div><\/div><\/div><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-hngny-e78d9dbbb25483f9f7d63c7c8e5ccf04\">\n.flex_column.av-hngny-e78d9dbbb25483f9f7d63c7c8e5ccf04{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-hngny-e78d9dbbb25483f9f7d63c7c8e5ccf04 av_one_half  avia-builder-el-7  el_after_av_one_half  el_before_av_hr  flex_column_div av-zero-column-padding  '     ><section  class='av_textblock_section av-kfch7mku-33cdca3ba2a0670861c6e71b5e46541e '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h4>Now, suppose&#8230;<\/h4>\n<p>The industrial park has just been completed. All plants and systems are modern and state of the art. During planning and implementation, strict attention was paid to ensuring that all equipment and machines used comply with the EMC directives regarding emission and immission.<\/p>\n<p>In addition, a statistical evaluation of the electrical network parameters according to standard EN 50160 confirms that all parameters are within the green range (see graph below). A comprehensive energy monitoring system records all consumption data. <strong>The entire system works optimally, is energy efficient and breaks down twice a week.<\/strong><\/p>\n<p>This phenomenon is not unique. Usually the operators are faced with a mystery. Despite careful planning and compliance with all regulations, serious faults occur which cannot be identified with any of the measuring equipment used. The reason for this is the complexity of today&#8217;s plants.<\/p>\n<p>In the worst case, the addition of interference levels can affect the system. <a href=\"https:\/\/pq-as-a-service.com\/en\/network-phenomena\/\" target=\"_blank\" rel=\"noopener\">Network phenomena<\/a> do not affect the overall statistical evaluation if they occur individually, which in total leads to an incorrect assessment of the plant reliability.<\/p>\n<p><a href=\"https:\/\/pq-as-a-service.com\/en\/demand-side-power-quality\/\" target=\"_blank\" rel=\"noopener\">At this point, targeted measurements of the power quality allow potential problems to be quickly identified and measures to be taken.<\/a><\/p>\n<\/div><\/section><\/div>\n<div  class='hr av-fvaha-e20552fa845dc95df496cf3257d86a24 hr-default  avia-builder-el-9  el_after_av_one_half  el_before_av_one_half '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-g9zsu-8c26667609a1f02f9ae0cc93a85f6481\">\n.flex_column.av-g9zsu-8c26667609a1f02f9ae0cc93a85f6481{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-g9zsu-8c26667609a1f02f9ae0cc93a85f6481 av_one_half  avia-builder-el-10  el_after_av_hr  el_before_av_one_half  first flex_column_div av-zero-column-padding  '     ><section  class='av_textblock_section av-kenzzx53-f1793cc57e34d6ad95e6100487395b94 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h3>What is conformity assessment?<\/h3>\n<p>These are statistical network quality evaluations in order to prove required conformity or identify possible problems on a statistical basis. However, caution is required. Such a statistically averaged evaluation does not imply that no events took place during the period under consideration.<\/p>\n<p>Standards such as EN50160 (Europe), IEEE519 (US), GB\/T (China), etc. can be used to prepare conformity assessments. A statistical minimum period of 7 days should not be underrun when generating the ratings. As a rule, the evaluations are then issued in a report form, whereby the format of the report is not subject to any standard.<\/p>\n<\/div><\/section><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-8v28e-f8fab65daffa05b5d6d774a463008907\">\n.flex_column.av-8v28e-f8fab65daffa05b5d6d774a463008907{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-8v28e-f8fab65daffa05b5d6d774a463008907 av_one_half  avia-builder-el-12  el_after_av_one_half  el_before_av_hr  flex_column_div av-zero-column-padding  '     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-kfchiolo-b7882c17687406091da754899d856423\">\n.avia-image-container.av-kfchiolo-b7882c17687406091da754899d856423 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-kfchiolo-b7882c17687406091da754899d856423 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-kfchiolo-b7882c17687406091da754899d856423 av-styling- avia_animated_image av-animated-when-visible-95 fade-in avia-align-center  avia-builder-el-13  avia-builder-el-no-sibling '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-1038 avia-img-lazy-loading-not-1038 avia_image ' src=\"https:\/\/i0.wp.com\/pq-as-a-service.com\/wp-content\/uploads\/2020\/12\/Report_Page3-en-1.jpeg?fit=921%2C1030&ssl=1\" alt='' title='compliance_report'  height=\"1030\" width=\"921\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/i0.wp.com\/pq-as-a-service.com\/wp-content\/uploads\/2020\/12\/Report_Page3-en-1.jpeg?w=921&amp;ssl=1 921w, https:\/\/i0.wp.com\/pq-as-a-service.com\/wp-content\/uploads\/2020\/12\/Report_Page3-en-1.jpeg?resize=268%2C300&amp;ssl=1 268w, https:\/\/i0.wp.com\/pq-as-a-service.com\/wp-content\/uploads\/2020\/12\/Report_Page3-en-1.jpeg?resize=768%2C859&amp;ssl=1 768w, https:\/\/i0.wp.com\/pq-as-a-service.com\/wp-content\/uploads\/2020\/12\/Report_Page3-en-1.jpeg?resize=630%2C705&amp;ssl=1 630w\" sizes=\"(max-width: 921px) 100vw, 921px\" \/><\/div><\/div><\/div><\/div>\n<div  class='hr av-8i79q-8f6f5abb95e499dfac3dad94a07defa6 hr-default  avia-builder-el-14  el_after_av_one_half  el_before_av_one_half '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-cx71a-45bd006a40e0cd1ba174b383ae1928c2\">\n.flex_column.av-cx71a-45bd006a40e0cd1ba174b383ae1928c2{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-cx71a-45bd006a40e0cd1ba174b383ae1928c2 av_one_half  avia-builder-el-15  el_after_av_hr  el_before_av_one_half  first flex_column_div av-zero-column-padding  '     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-kfchoif2-3a26dfa226873672ca505027b464b72c\">\n.avia-image-container.av-kfchoif2-3a26dfa226873672ca505027b464b72c img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-kfchoif2-3a26dfa226873672ca505027b464b72c .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-kfchoif2-3a26dfa226873672ca505027b464b72c av-styling- avia_animated_image av-animated-when-visible-95 fade-in avia-align-center  avia-builder-el-16  avia-builder-el-no-sibling '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-1039 avia-img-lazy-loading-not-1039 avia_image ' src=\"https:\/\/i0.wp.com\/pq-as-a-service.com\/wp-content\/uploads\/2020\/12\/PQ-event.jpeg?fit=1030%2C903&ssl=1\" alt='' title='spannungseinbruch'  height=\"903\" width=\"1030\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/i0.wp.com\/pq-as-a-service.com\/wp-content\/uploads\/2020\/12\/PQ-event.jpeg?w=1030&amp;ssl=1 1030w, https:\/\/i0.wp.com\/pq-as-a-service.com\/wp-content\/uploads\/2020\/12\/PQ-event.jpeg?resize=300%2C263&amp;ssl=1 300w, https:\/\/i0.wp.com\/pq-as-a-service.com\/wp-content\/uploads\/2020\/12\/PQ-event.jpeg?resize=768%2C673&amp;ssl=1 768w, https:\/\/i0.wp.com\/pq-as-a-service.com\/wp-content\/uploads\/2020\/12\/PQ-event.jpeg?resize=705%2C618&amp;ssl=1 705w\" sizes=\"(max-width: 1030px) 100vw, 1030px\" \/><\/div><\/div><\/div><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-b0o7q-b9efb409ac87627833affcb91e035469\">\n.flex_column.av-b0o7q-b9efb409ac87627833affcb91e035469{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-b0o7q-b9efb409ac87627833affcb91e035469 av_one_half  avia-builder-el-17  el_after_av_one_half  el_before_av_hr  flex_column_div av-zero-column-padding  '     ><section  class='av_textblock_section av-kfchmqtk-84e36c30b0823beb7650478b268228c6 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h3>Events are missing in the statistical evaluation<\/h3>\n<p>A glance at the definition of EN 50160 quickly makes it clear that even voltage dips, as shown on the left, do not appear in the statistical analysis. The reason lies in the statistical evaluation, as only 10-minute averages are considered. Therefore the events remain &#8220;invisible&#8221; in a purely statistical evaluation. As a result, machines or plants can be affected even though the statistics are set to &#8220;green&#8221;.<\/p>\n<h3>Excerpt from EN 50160<\/h3>\n<ul>\n<li>at least 95 % (LV) or 99 % (MV) of all 10-minute mean values of the effective value of the supply voltage must be within the specified<br \/>\nLimit values<\/li>\n<li>no 10-minute average value of the effective value of the supply voltage must be outside the limit of +10 % \/ -15 % Un (NS) or \u00b115 %.<br \/>\nUc (MS)<\/li>\n<\/ul>\n<\/div><\/section><\/div>\n<div  class='hr av-9p4sm-9b2062719aa309cab02feef9840ee470 hr-default  avia-builder-el-19  el_after_av_one_half  el_before_av_one_full '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-6uyjy-174b93c522dd9b9df96129f286eded6e\">\n.flex_column.av-6uyjy-174b93c522dd9b9df96129f286eded6e{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div  class='flex_column av-6uyjy-174b93c522dd9b9df96129f286eded6e av_one_full  avia-builder-el-20  el_after_av_hr  avia-builder-el-last  first flex_column_div av-zero-column-padding  '     ><article  class='iconbox iconbox_left av-kfnnxxeh-e65dda0cce3d8fce906ac9d05a6524c8  avia-builder-el-21  avia-builder-el-no-sibling '  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class=\"iconbox_content\"><header class=\"entry-content-header\" aria-label=\"Icon: Conclusion\"><div class='iconbox_icon heading-color avia-iconfont avia-font-entypo-fontello' data-av_icon='\ue83f' data-av_iconfont='entypo-fontello'  ><\/div><h3 class='iconbox_content_title '  itemprop=\"headline\" >Conclusion<\/h3><\/header><div class='iconbox_content_container '  itemprop=\"text\" ><p>Even if the statistical evaluation (e.g. according to EN50160, etc.) confirms conformity, machines and plants can be affected due to poor power quality.<\/p>\n<\/div><\/div><footer class=\"entry-footer\"><\/footer><\/article><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-3704","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.9 - 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