{"id":7984,"date":"2025-10-28T10:39:16","date_gmt":"2025-10-28T02:39:16","guid":{"rendered":"https:\/\/www.wtauserver.com\/?p=7984"},"modified":"2025-10-28T10:39:16","modified_gmt":"2025-10-28T02:39:16","slug":"flight-control-arm-online-monitoring-system","status":"publish","type":"post","link":"https:\/\/www.wtauserver.com\/en\/flight-control-arm-online-monitoring-system\/","title":{"rendered":"Online monitoring system of the crank arm of the unit: realize the leap from \u201dpost-mortem maintenance\u201d to \u201dpredictive maintenance\u201d for the safe operation of the turbine"},"content":{"rendered":"<p><span style=\"font-size: 16px;\">As the core transmission component of the unit, the turbine guide vane arm, its loose connection nut and abnormal clearance will directly threaten the safe operation of the unit. In view of the pain points of this industry, we launched<\/span><strong style=\"font-size: 16px;\">Online monitoring system of the crank arm of the unit<\/strong><span style=\"font-size: 16px;\">, Through real-time and accurate monitoring of displacement changes in key parts of the guide vane arm, effectively identify abnormal equipment conditions, help power plants achieve predictive maintenance, and avoid major equipment accidents.<\/span><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-7985 aligncenter\" src=\"https:\/\/www.wtauserver.com\/wp-content\/uploads\/2025\/10\/1-12.webp\" alt=\"Turbine guide vane arm\" width=\"514\" height=\"475\" srcset=\"https:\/\/www.wtauserver.com\/wp-content\/uploads\/2025\/10\/1-12.webp 642w, https:\/\/www.wtauserver.com\/wp-content\/uploads\/2025\/10\/1-12-300x277.webp 300w, https:\/\/www.wtauserver.com\/wp-content\/uploads\/2025\/10\/1-12-13x12.webp 13w\" sizes=\"auto, (max-width: 514px) 100vw, 514px\" \/><\/p>\n<p>&nbsp;<\/p>\n<h2>1. Industry pain points: Invisible risks are the biggest risks<\/h2>\n<p>Under the traditional maintenance mode, the loose nut of the guide vane arm and the change in clearance are difficult to detect in time.\uff1a<\/p>\n<ul class=\"ybc-ul-component\">\n<li class=\"ybc-li-component ybc-li-component_ul\">\u200b<strong>Strong concealment<\/strong>\u200b: The internal structure is abnormal and difficult to find through daily inspections<\/li>\n<li class=\"ybc-li-component ybc-li-component_ul\">\u200b<strong>Highly sudden<\/strong>Failures often occur suddenly without obvious signs<\/li>\n<li class=\"ybc-li-component ybc-li-component_ul\">\u200b<strong>Serious consequences<\/strong>\u200b: Increased loosening may cause structural damage and cause downtime accidents<\/li>\n<li class=\"ybc-li-component ybc-li-component_ul\">\u200b<strong>Passive maintenance<\/strong>\u200b: Repairs are usually carried out after the failure occurs, and the loss has been caused.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2>2. Solution: Three core functions to build an all-round protection system<\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-7986 size-full\" src=\"https:\/\/www.wtauserver.com\/wp-content\/uploads\/2025\/10\/2-12.webp\" alt=\"Online monitoring system of the crank arm of the unit\" width=\"780\" height=\"416\" srcset=\"https:\/\/www.wtauserver.com\/wp-content\/uploads\/2025\/10\/2-12.webp 780w, https:\/\/www.wtauserver.com\/wp-content\/uploads\/2025\/10\/2-12-300x160.webp 300w, https:\/\/www.wtauserver.com\/wp-content\/uploads\/2025\/10\/2-12-768x410.webp 768w, https:\/\/www.wtauserver.com\/wp-content\/uploads\/2025\/10\/2-12-18x10.webp 18w\" sizes=\"auto, (max-width: 780px) 100vw, 780px\" \/><\/p>\n<h3>1.  Real-time displacement monitoring<\/h3>\n<p>The system adopts high-precision sensors to continuously monitor the displacement of the gap between the guide vane arm, and the resolution reaches<strong>\u22640.1micron<\/strong>Level, even minor loosening can be detected in time, providing first-hand data support for fault prevention.<\/p>\n<h3>2.  Multi-state intelligent judgment<\/h3>\n<p>Based on advanced algorithms, the system automatically recognizes the operating status of the equipment\uff1a<\/p>\n<ul class=\"ybc-ul-component\">\n<li class=\"ybc-li-component ybc-li-component_ul\">\u200b<strong>Normal state<\/strong>\u200b: The displacement is within a safe range, and the operation is continuous and stable<\/li>\n<li class=\"ybc-li-component ybc-li-component_ul\">\u200b<strong>Critical state<\/strong>\u200b: The amount of displacement is close to the threshold value, and an early warning is issued<\/li>\n<li class=\"ybc-li-component ybc-li-component_ul\">\u200b<strong>Fault status<\/strong>\u200b: The amount of displacement exceeds the limit, immediately call the police and recommend intervention<\/li>\n<\/ul>\n<h3>3.  Trend analysis and forecasting<\/h3>\n<p>The system analyzes long-term monitoring data, generates fault trend reports, and supports\uff1a<\/p>\n<ul class=\"ybc-ul-component\">\n<li class=\"ybc-li-component ybc-li-component_ul\">\u200b<strong>Predictive maintenance decision-making<\/strong>\u200b: Reasonable arrangement of maintenance time based on data trends<\/li>\n<li class=\"ybc-li-component ybc-li-component_ul\">\u200b<strong>Life assessment<\/strong>\u200b:Scientific prediction of the remaining life of key components<\/li>\n<li class=\"ybc-li-component ybc-li-component_ul\">\u200b<strong>Optimized operation<\/strong>\u200b: Adjust the operating parameters according to the status of the equipment to extend the service life<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2>3. System composition: professional design to ensure reliable operation<\/h2>\n<p>The system consists of a local sensor, a signal transmission unit, and a signal acquisition and processing mechanism to form a complete monitoring network.\uff1a<\/p>\n<p>\u200b<strong>On-site sensor<\/strong>\u200b\uff1a<\/p>\n<ul class=\"ybc-ul-component\">\n<li class=\"ybc-li-component ybc-li-component_ul\">Installed at the butt joint of the guide vane arm of the crank arm<\/li>\n<li class=\"ybc-li-component ybc-li-component_ul\">Range 0-5mm (customizable), impact resistance 250g\/11ms<\/li>\n<li class=\"ybc-li-component ybc-li-component_ul\">Operating temperature -25\u2103 to +85\u2103, adapt to harsh environments<\/li>\n<\/ul>\n<p>\u200b<strong>Acquisition and processing unit<\/strong>\u200b\uff1a<\/p>\n<ul class=\"ybc-ul-component\">\n<li class=\"ybc-li-component ybc-li-component_ul\">32-channel analog input, 8 digital input\/output<\/li>\n<li class=\"ybc-li-component ybc-li-component_ul\">12-bit analog-to-digital conversion accuracy, 10\u00b5s conversion time<\/li>\n<li class=\"ybc-li-component ybc-li-component_ul\">Support standard Modbus protocol for easy system integration<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2>4. Technical advantages: escort the safe operation of hydropower<\/h2>\n<ul class=\"ybc-ul-component\">\n<li class=\"ybc-li-component ybc-li-component_ul\">\u200b<strong>High-precision monitoring<\/strong>\u200b: Micron-level resolution, accurately capture changes in equipment status<\/li>\n<li class=\"ybc-li-component ybc-li-component_ul\">\u200b<strong>Strong environmental adaptability<\/strong>\u200b: Wide temperature operation, lightning protection and anti-interference, to ensure long-term stable operation in the wild<\/li>\n<li class=\"ybc-li-component ybc-li-component_ul\">\u200b<strong>Intelligent early warning mechanism<\/strong>\u200b: Three-level status judgment, identify potential risks in advance<\/li>\n<li class=\"ybc-li-component ybc-li-component_ul\">\u200b<strong>Predictive maintenance<\/strong>\u200b: Based on data analysis, change passive maintenance to active prevention<\/li>\n<li class=\"ybc-li-component ybc-li-component_ul\">\u200b<strong>Easy Installation<\/strong>\u200b: It has little impact on the transformation of existing units and fast construction<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2>5. Application value: improve the level of power station safety management from the root cause<\/h2>\n<p>The online monitoring system of the crank arm of the unit has been successfully applied in a number of hydropower projects, helping the power station to achieve\uff1a<\/p>\n<ul class=\"ybc-ul-component\">\n<li class=\"ybc-li-component ybc-li-component_ul\">\u200b<strong>Significantly reduced safety accidents<\/strong>\u200b: Avoid major equipment damage through early warning<\/li>\n<li class=\"ybc-li-component ybc-li-component_ul\">\u200b<strong>Significantly reduced maintenance costs<\/strong>\u200b: Planned maintenance to replace sudden failure handling<\/li>\n<li class=\"ybc-li-component ybc-li-component_ul\">\u200b<strong>Unit availability rate increased<\/strong>\u200b: Reduce unplanned downtime and increase power generation efficiency<\/li>\n<li class=\"ybc-li-component ybc-li-component_ul\">\u200b<strong>Management level upgrade<\/strong>\u200b: Scientific decision-making based on data replaces empirical judgment<\/li>\n<\/ul>\n<p>As an important component of intelligent operation and maintenance in the hydropower industry, the online monitoring system of the crank arm of the unit embodies our concept of \u201cprotecting the safety of power stations with technological innovation\u201d. We will continue to develop advanced monitoring technologies to provide more complete safety and security solutions for the hydropower industry, and help the safe, efficient and intelligent development of China&#039;s hydropower industry.<\/p>","protected":false},"excerpt":{"rendered":"<p>\u6c34\u8f6e\u673a\u5bfc\u53f6\u81c2\u4f5c\u4e3a\u673a\u7ec4\u6838\u5fc3\u4f20\u52a8\u90e8\u4ef6\uff0c\u5176\u8fde\u63a5\u87ba\u6bcd\u677e\u52a8\u4e0e\u95f4\u9699\u5f02\u5e38\u5c06\u76f4\u63a5\u5a01\u80c1\u673a\u7ec4\u5b89\u5168\u8fd0\u884c\u3002\u9488\u5bf9\u8fd9\u4e00\u884c\u4e1a\u75db\u70b9\uff0c\u6211\u4eec\u63a8\u51fa\u673a [&hellip;]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[127,132],"tags":[],"class_list":["post-7984","post","type-post","status-publish","format-standard","hentry","category-gate-monitoring-and-control-system","category-water-resources-hydropower"],"_links":{"self":[{"href":"https:\/\/www.wtauserver.com\/en\/wp-json\/wp\/v2\/posts\/7984","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wtauserver.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wtauserver.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wtauserver.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wtauserver.com\/en\/wp-json\/wp\/v2\/comments?post=7984"}],"version-history":[{"count":1,"href":"https:\/\/www.wtauserver.com\/en\/wp-json\/wp\/v2\/posts\/7984\/revisions"}],"predecessor-version":[{"id":7987,"href":"https:\/\/www.wtauserver.com\/en\/wp-json\/wp\/v2\/posts\/7984\/revisions\/7987"}],"wp:attachment":[{"href":"https:\/\/www.wtauserver.com\/en\/wp-json\/wp\/v2\/media?parent=7984"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wtauserver.com\/en\/wp-json\/wp\/v2\/categories?post=7984"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wtauserver.com\/en\/wp-json\/wp\/v2\/tags?post=7984"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}