{"id":2285,"date":"2014-03-14T15:23:15","date_gmt":"2014-03-14T13:23:15","guid":{"rendered":"http:\/\/fkh.ch\/en\/dienstleistungen\/isolieroelananlysen\/"},"modified":"2024-03-20T16:19:43","modified_gmt":"2024-03-20T15:19:43","slug":"isolieroelananlysen","status":"publish","type":"page","link":"https:\/\/fkh.ch\/en\/dienstleistungen\/isolieroelananlysen\/","title":{"rendered":"Insulating oil analyses"},"content":{"rendered":"<p style=\"text-align: justify;\"><a href=\"https:\/\/fkh.ch\/wp-content\/uploads\/2015\/02\/SAS_STS_cmyk_581.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignright wp-image-2112\" src=\"https:\/\/fkh.ch\/wp-content\/uploads\/2015\/02\/SAS_STS_cmyk_581.jpg\" alt=\"SAS_STS_cmyk.indd\" width=\"112\" height=\"112\" srcset=\"https:\/\/fkh.ch\/wp-content\/uploads\/2015\/02\/SAS_STS_cmyk_581.jpg 365w, https:\/\/fkh.ch\/wp-content\/uploads\/2015\/02\/SAS_STS_cmyk_581-150x150.jpg 150w, https:\/\/fkh.ch\/wp-content\/uploads\/2015\/02\/SAS_STS_cmyk_581-300x300.jpg 300w\" sizes=\"auto, (max-width: 112px) 100vw, 112px\" \/><\/a><\/p>\n<p>Analyses of insulating liquids play a key part in assessing the condition of electrical grid equipment. The FKH Insulating Oil Laboratory offers a wide range of services, including\u00a0 accurate analyses with reliable interpretation by experts. Our location in the centre of Switzerland enables us to serve our customers close to their premises. The Insulating Oil Laboratory works in accordance with international standards and is accredited as per ISO 17025 (Swiss Testing STS 581) and certified as per ISO 9001 and ISO 45001.<\/p>\n<h3>Features and benefits of the FKH offer<\/h3>\n<ul>\n<li>Our analysis report contains a comparison with historical data, an individual assessment and a practical recommendation for action for your equipment. It is prepared by experts. In case of critical findings, the client is immediately informed and advised.<\/li>\n<li>In the event of a malfunction, e.g. after a Buchholz warning, a FKH employee usually takes a sample within a few hours and analyses it on site or in the laboratory.<\/li>\n<li>Drawing on more than 76 years of experience in testing high-voltage equipment, FKH can provide professional support for more extensive diagnosis in case of critical results.<\/li>\n<li>Our accreditation in accordance with ISO 17025 (Swiss Testing STS 581) and certification in accordance with ISO 9001 and ISO 45001 ensures the quality of our services.<\/li>\n<\/ul>\n<h3>\u00a0Services offered by the insulating oil laboratory<\/h3>\n<p style=\"text-align: center;\"><a href=\"https:\/\/fkh.ch\/wp-content\/uploads\/2024\/03\/Dienstleistung-Isolieroellabor_2024-300x202.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-7080\" src=\"https:\/\/fkh.ch\/wp-content\/uploads\/2024\/03\/Dienstleistung-Isolieroellabor_2024-300x202.png\" alt=\"\" width=\"730\" height=\"491\" srcset=\"https:\/\/fkh.ch\/wp-content\/uploads\/2024\/03\/Dienstleistung-Isolieroellabor_2024-300x202.png 300w, https:\/\/fkh.ch\/wp-content\/uploads\/2024\/03\/Dienstleistung-Isolieroellabor_2024.png 625w\" sizes=\"auto, (max-width: 730px) 100vw, 730px\" \/><\/a><\/p>\n<p style=\"text-align: center;\"><em>*The special analyses are carried out outside the accredited area.<\/em><\/p>\n<h3>Dielectric-chemical analysis<\/h3>\n<p style=\"text-align: justify;\">Dielectric-chemical analysis determines the ageing condition of the oil-paper insulation system on the basis of key parameters for the insulating oil. The breakdown voltage makes it possible to state the oil&#8217;s insulating capability at the time in question. The neutralisation number (acidity) and the interfacial tension are highly sensitive indicators of the oxidation state of the insulating oil and the ageing of the entire oil-paper insulating system. They are early indicators of sludge precipitation. Increased water content causes a drastic deterioration in the oil&#8217;s insulating properties and accelerates the ageing of paper and pressboard. The dissipation factor (tangent delta) is a sensitive indicator for measuring the formation of conductive ageing products and contamination of the oil. The colour number and appearance are simple but informative indicators of oil ageing. The inhibitor content allows an estimation of the ageing dynamic so that re-inhibition can be initiated promptly.<\/p>\n<h3>Furan analysis<\/h3>\n<div id=\"attachment_1485\" style=\"width: 310px\" class=\"wp-caption alignright\"><a href=\"https:\/\/fkh.ch\/wp-content\/uploads\/2014\/03\/Grafik-1-300x153.png\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1485\" class=\"size-medium wp-image-1485\" src=\"https:\/\/fkh.ch\/wp-content\/uploads\/2014\/03\/Grafik-1-300x153.png\" alt=\"HPLC-Chromatogramm mit Furan-Derivaten\" width=\"300\" height=\"153\" srcset=\"https:\/\/fkh.ch\/wp-content\/uploads\/2014\/03\/Grafik-1-300x153.png 300w, https:\/\/fkh.ch\/wp-content\/uploads\/2014\/03\/Grafik-1.png 398w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-1485\" class=\"wp-caption-text\">HPLC-Chromatogramm mit Furan-Derivaten<\/p><\/div>\n<p style=\"text-align: justify;\">Various furan derivatives are formed during the thermal ageing of solid insulation (cellulose). Analysis of the furans dissolved in the oil allows an assessment of the mechanical stability of the solid insulation (paper, pressboard).<\/p>\n<h3>Decomposition gas analysis<\/h3>\n<p style=\"text-align: justify;\">Determination of the gases dissolved in the oil (IEC 60567 and 60599) allows statements regarding impending faults, in particular local thermal overload of the insulation system or partial discharges. For maximum accuracy, we use a headspace GC system.<a href=\"https:\/\/fkh.ch\/wp-content\/uploads\/2018\/10\/Formeln-300x124.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-4304\" src=\"https:\/\/fkh.ch\/wp-content\/uploads\/2018\/10\/Formeln-300x124.png\" alt=\"\" width=\"300\" height=\"124\" srcset=\"https:\/\/fkh.ch\/wp-content\/uploads\/2018\/10\/Formeln-300x124.png 300w, https:\/\/fkh.ch\/wp-content\/uploads\/2018\/10\/Formeln.png 424w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<h3><b><a href=\"https:\/\/fkh.ch\/wp-content\/uploads\/2018\/10\/Isolier\u00f6l_GC-300x225.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-4298 alignright\" src=\"https:\/\/fkh.ch\/wp-content\/uploads\/2018\/10\/Isolier\u00f6l_GC-300x225.jpg\" alt=\"\" width=\"300\" height=\"225\" srcset=\"https:\/\/fkh.ch\/wp-content\/uploads\/2018\/10\/Isolier\u00f6l_GC-300x225.jpg 300w, https:\/\/fkh.ch\/wp-content\/uploads\/2018\/10\/Isolier\u00f6l_GC-768x576.jpg 768w, https:\/\/fkh.ch\/wp-content\/uploads\/2018\/10\/Isolier\u00f6l_GC-1024x768.jpg 1024w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a>Oxidation stability<\/b><\/h3>\n<p style=\"text-align: justify;\">During the oxidation stability test as per IEC 61125, the quality of the oil is verified with an accelerated ageing test and its prospective behaviour over its service lifetime is estimated.<\/p>\n<h3>Special tests<\/h3>\n<p style=\"text-align: justify;\">Our laboratory carries out special tests in accordance with customers&#8217; requests. These include, for example, extended ageing tests, material compatibility tests, partial discharge tests and breakdown tests (also possible for solid insulating materials).<\/p>\n<h3>Emergency service<\/h3>\n<p style=\"text-align: justify;\">In case of an incident such as a Buchholz alarm, an FKH employee will usually take a sample within a few hours, for analysis either on site or in the laboratory.<\/p>\n<p>For emergency sampling and analyses after Buchholz alarms, please use the main number of the oil laboratory <strong>(062 288 77 99)<\/strong>.<\/p>\n<p>If the oil laboratory is not manned, the number is forwarded to the mobile phone of an employee.<br \/>\nPlease note that this is not an actual &#8220;on-call&#8221; number where an employee is on call at all times.<\/p>\n<p>If the call cannot be answered directly by an employee, please leave a message on the combox and you will be called back as soon as possible.<\/p>\n<h3>Analytical report<\/h3>\n<p style=\"text-align: justify;\">Our analytical report includes a comparison with previous measurement results, an individual assessment and a recommendation for practical action regarding the electrical equipment that was tested. Reports are drawn up by experts. In case of critical findings, the customer is notified and advised immediately.<\/p>\n<p><a href=\"https:\/\/fkh.ch\/wp-content\/uploads\/2019\/11\/Isolieroelanalysen-V19-01eng.pdf\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-5028\" src=\"https:\/\/fkh.ch\/wp-content\/uploads\/2019\/10\/Isolieroelanalysen-Bildeng.png\" alt=\"\" width=\"106\" height=\"150\" srcset=\"https:\/\/fkh.ch\/wp-content\/uploads\/2019\/10\/Isolieroelanalysen-Bildeng.png 794w, https:\/\/fkh.ch\/wp-content\/uploads\/2019\/10\/Isolieroelanalysen-Bildeng-212x300.png 212w, https:\/\/fkh.ch\/wp-content\/uploads\/2019\/10\/Isolieroelanalysen-Bildeng-768x1086.png 768w, https:\/\/fkh.ch\/wp-content\/uploads\/2019\/10\/Isolieroelanalysen-Bildeng-724x1024.png 724w\" sizes=\"auto, (max-width: 106px) 100vw, 106px\" \/><\/a><a href=\"https:\/\/fkh.ch\/wp-content\/uploads\/2019\/11\/Isolieroelanalysen-V19-01eng.pdf\">Broschure Insulating oil analyses<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Analyses of insulating liquids play a key part in assessing the condition of electrical grid equipment. The FKH Insulating Oil Laboratory offers a wide range of services, including\u00a0 accurate analyses with reliable interpretation by experts. Our location in the centre of Switzerland enables us to serve our customers close to their premises. The Insulating Oil [&hellip;]<\/p>\n","protected":false},"author":194,"featured_media":0,"parent":2253,"menu_order":30,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-2285","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Insulating oil analyses - FKH<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/fkh.ch\/en\/dienstleistungen\/isolieroelananlysen\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Insulating oil analyses - FKH\" \/>\n<meta property=\"og:description\" content=\"Analyses of insulating liquids play a key part in assessing the condition of electrical grid equipment. The FKH Insulating Oil Laboratory offers a wide range of services, including\u00a0 accurate analyses with reliable interpretation by experts. Our location in the centre of Switzerland enables us to serve our customers close to their premises. 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