{"id":824,"date":"2019-01-18T01:14:13","date_gmt":"2019-01-18T01:14:13","guid":{"rendered":"http:\/\/johnbrear-plantintegrity.com\/?page_id=824"},"modified":"2019-01-18T01:32:18","modified_gmt":"2019-01-18T01:32:18","slug":"damage-to-a-hydro-electric-generator-under-test","status":"publish","type":"page","link":"https:\/\/johnbrear-plantintegrity.com\/?page_id=824","title":{"rendered":"Damage to a hydro-electric generator under test"},"content":{"rendered":"<figure id=\"attachment_825\" aria-describedby=\"caption-attachment-825\" style=\"width: 862px\" class=\"wp-caption alignleft\"><img fetchpriority=\"high\" decoding=\"async\" src=\"http:\/\/johnbrear-plantintegrity.com\/wp-content\/uploads\/2019\/01\/Hydrogenerator-image.jpg\" alt=\"\" width=\"862\" height=\"323\" class=\"size-full wp-image-825\" srcset=\"https:\/\/johnbrear-plantintegrity.com\/wp-content\/uploads\/2019\/01\/Hydrogenerator-image.jpg 862w, https:\/\/johnbrear-plantintegrity.com\/wp-content\/uploads\/2019\/01\/Hydrogenerator-image-300x112.jpg 300w, https:\/\/johnbrear-plantintegrity.com\/wp-content\/uploads\/2019\/01\/Hydrogenerator-image-768x288.jpg 768w\" sizes=\"(max-width: 862px) 100vw, 862px\" \/><figcaption id=\"caption-attachment-825\" class=\"wp-caption-text\">Hydroelectric generator, during maintenance<\/figcaption><\/figure>\r\n<h4><strong>Item:<\/strong><\/h4>\r\n<ul>\r\n    <li>A hydro-electric generator, under test<\/li>\r\n<\/ul>\r\n<p><strong>Problem: <\/strong><\/p>\r\n<ul>\r\n    <li>During pre-delivery balancing and testing, a balance-weight retaining nut fell into the air gap, damaging both the rotor and stator<\/li>\r\n    <li>It was uncertain as to whether this occurred whilst the generator was insured<\/li>\r\n<\/ul>\r\n<p><strong>Objective:<\/strong><\/p>\r\n<ul>\r\n    <li>To determine the probability that the damage occurred during the period of insurance cover, and thus establish the insurer\u2019s liability<\/li>\r\n<\/ul>\r\n<p><strong>Approach:<\/strong><\/p>\r\n<ul>\r\n    <li>Review of witness statements, damage reports and electrical test results<\/li>\r\n    <li>Construction of an event tree, with probabilities assigned to all branches<\/li>\r\n<\/ul>\r\n<p><strong>Conclusions: <\/strong><\/p>\r\n<ul>\r\n    <li>Demonstrated, without doubt, that the nut which caused the damage had not come loose, as suggested by the plant owner, but had been inadvertently left in the machine during balancing trials<\/li>\r\n    <li>Probability of damage occurring during the period of insurance cover was demonstrated to be less than 2%<\/li>\r\n<\/ul>\r\n<p><strong>Benefits:<\/strong><\/p>\r\n<ul>\r\n    <li>Insurer\u2019s liability limited to no more than 2% of the total loss<\/li>\r\n<\/ul>\r\n","protected":false},"excerpt":{"rendered":"<p>Item: A hydro-electric generator, under test Problem: During pre-delivery balancing and testing, a balance-weight retaining nut fell into the air gap, damaging both the rotor and stator It was uncertain as to whether this occurred whilst the generator was insured Objective: To determine the probability that the damage occurred during the period of insurance cover, &hellip; <a href=\"https:\/\/johnbrear-plantintegrity.com\/?page_id=824\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Damage to a hydro-electric generator under test<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":173,"menu_order":1,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-824","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/johnbrear-plantintegrity.com\/index.php?rest_route=\/wp\/v2\/pages\/824","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/johnbrear-plantintegrity.com\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/johnbrear-plantintegrity.com\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/johnbrear-plantintegrity.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/johnbrear-plantintegrity.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=824"}],"version-history":[{"count":3,"href":"https:\/\/johnbrear-plantintegrity.com\/index.php?rest_route=\/wp\/v2\/pages\/824\/revisions"}],"predecessor-version":[{"id":828,"href":"https:\/\/johnbrear-plantintegrity.com\/index.php?rest_route=\/wp\/v2\/pages\/824\/revisions\/828"}],"up":[{"embeddable":true,"href":"https:\/\/johnbrear-plantintegrity.com\/index.php?rest_route=\/wp\/v2\/pages\/173"}],"wp:attachment":[{"href":"https:\/\/johnbrear-plantintegrity.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=824"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}