{"id":6142,"date":"2021-09-09T11:07:29","date_gmt":"2021-09-09T03:07:29","guid":{"rendered":"https:\/\/www.wtauserver.com\/?p=6142"},"modified":"2025-06-15T10:46:25","modified_gmt":"2025-06-15T02:46:25","slug":"weite-hydroelectric-division","status":"publish","type":"post","link":"https:\/\/www.wtauserver.com\/en\/weite-hydroelectric-division\/","title":{"rendered":"Micro-technology Water Conservancy and Hydropower Division"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-6833\" src=\"https:\/\/www.wtauserver.com\/wp-content\/uploads\/2021\/09\/, water conservancy and hydropower. Webp\" alt=\"\" width=\"637\" height=\"425\" srcset=\"\" sizes=\"auto, (max-width: 637px) 100vw, 637px\" data-srcset=\"\" \/>\u200b<\/p>\n<p>\u200b<strong>National-level expert in safeguarding water and electricity safety<\/strong>Focus on the condition monitoring of gates, DAMS, gantry cranes and underwater equipment<\/p>\n<hr \/>\n<h3>\u200b<strong>Core product technology system<\/strong>\u200b<\/h3>\n<h4>Underwater grab beam millimeter-level positioning system<\/h4>\n<ul>\n<li>Maximum working water depth: 150 meters<\/li>\n<li>Positioning accuracy: \u00b13mm (measured data from the Three Gorges)<\/li>\n<li>Pressure resistance grade: IP68+\/30Bar<\/li>\n<\/ul>\n<blockquote><p><em>Technological breakthrough: Solving the problem of pin shaft jamming caused by the \"blind operation\" of traditional beam grasping<\/em><\/p><\/blockquote>\n<h4>2. Full-dimensional monitoring system for gates<\/h4>\n<div class=\"hyc-common-markdown__table-wrapper\">\n<table>\n<thead>\n<tr>\n<th>Monitoring parameters<\/th>\n<th>Technical indicators<\/th>\n<th>Flood control value<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Structural stress<\/td>\n<td>\u00b11%FS accuracy<\/td>\n<td>The overload warning is issued at least 2 hours in advance<\/td>\n<\/tr>\n<tr>\n<td>Flexural deformation<\/td>\n<td>0.01mm resolution<\/td>\n<td>Prevent structural instability accidents<\/td>\n<\/tr>\n<tr>\n<td>Hoist load<\/td>\n<td>The range is covered from 20 to 5000 tons<\/td>\n<td>Avoid sudden breakage of the steel wire rope<\/td>\n<\/tr>\n<tr>\n<td>Hydraulic oil circuit status<\/td>\n<td>The accuracy of online abrasive particle detection is 5\u03bcm<\/td>\n<td>Extend the major overhaul cycle to five years<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h4>3. Intelligent transformation package for hydropower station gantry cranes<\/h4>\n<p>\u200b<strong>The fourth-order dimensional upgrade transformation path<\/strong>\u200b\uff1a<br \/>\n<code>Manual operation<\/code>\u2192<code>Semi-automatic control<\/code>\u2192<code>Digital twin preview<\/code>\u2192<code>AI autonomous decision-making<\/code><\/p>\n<ul>\n<li>The hoisting accuracy has been raised to \u00b11cm (Gezhouba Renovation case)<\/li>\n<li>Equipped with windbreak algorithm (resistant to 8-level canyon gusts)<\/li>\n<li>The accuracy rate of the life assessment model is greater than 92%<\/li>\n<\/ul>\n<hr \/>\n<h3>\u200b<strong>Empirical evidence of benchmark projects<\/strong>\u200b<\/h3>\n<h4>\u25b6 Three Gorges Water Conservancy Project (the largest in the world)<\/h4>\n<ul>\n<li>\u200b<strong>Technical deployment<\/strong>32 sets of underwater grab beam monitoring +78 gate monitoring<\/li>\n<li>\u200b<strong>Operational effectiveness<\/strong>\u200b\uff1a\n<pre><code>Comparison of stress monitoring data during the flood discharge period of #\nbefore = load_data(\"2020_flood\") # maximum stress value before transformation\nafter = load_data(\"2023_flood\") #, the real-time regulation effect after transformation\nprint(f\" Peak stress reduction :{max(before)-max(after):.1f}MPa\")\nPeak stress reduction: 38.7MPa<\/code><\/pre>\n<\/li>\n<\/ul>\n<h4>\u25b6 Baihetan Hydropower Station (second in the world)<\/h4>\n<ul>\n<li>\u200b<strong>Core transformation<\/strong>Intelligent upgrade of 1000t door crane<\/li>\n<li>\u200b<strong>Breakthrough achievements<\/strong>\u200b\uff1a\n<ul>\n<li>The synchronization error of the flood discharge gate is less than 0.5\u00b0 (national standard \u22642\u00b0)<\/li>\n<li>The collision accident rate of the gantry crane has dropped to zero (after continuous operation for 867 days).<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4>Xiaolangdi Water Conservancy Project<\/h4>\n<div class=\"hyc-common-markdown__table-wrapper\">\n<table>\n<thead>\n<tr>\n<th>Monitoring object<\/th>\n<th>Deployment plan<\/th>\n<th>Flood control benefit<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Sand discharge tunnel gate<\/td>\n<td>16-channel strain monitoring array<\/td>\n<td>There were no malfunctions in water and sediment regulation in 2022<\/td>\n<\/tr>\n<tr>\n<td>500t door crane<\/td>\n<td>Laser anti-collision + wind speed linkage system<\/td>\n<td>Reduce downtime losses by 6 million yuan annually<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<hr \/>\n<h3>\u200b<strong>Breakthrough of technical barriers<\/strong>\u200b<\/h3>\n<h4>Digital twin platform for hydraulic structures<\/h4>\n<p><em>Dynamically map the status of physical gates and DAMS, and predict the inflection point of equipment life in real time<\/em><\/p>\n<h4>2. Patent for underwater audio-visual fusion positioning<\/h4>\n<p>\u200b<strong>Comparison of technical parameters<\/strong>\u200b\uff1a<\/p>\n<div class=\"hyc-common-markdown__table-wrapper\">\n<table>\n<thead>\n<tr>\n<th>Traditional magnetic positioning<\/th>\n<th>Micro and Special SLAM+ sonar<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>The maximum depth is 80 meters<\/td>\n<td>The application water depth is over 150 meters<\/td>\n<\/tr>\n<tr>\n<td>The error is \u226510cm<\/td>\n<td>3mm-level accuracy<\/td>\n<\/tr>\n<tr>\n<td>The muddy water environment has failed<\/td>\n<td>A turbidity of 1000NTU is still available<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h4>3. Special communication protocol stack for hydropower<\/h4>\n<ul>\n<li>Deep-water signal attenuation compensation algorithm<\/li>\n<li>Electromagnetic flood discharge interference shielding technology (&gt; 60dB attenuation)<\/li>\n<\/ul>\n<hr \/>\n<h3>\u200b<strong>Industry standard setter<\/strong>\u200b<\/h3>\n<ul>\n<li>Participated in the compilation of the \"Code for Safety Monitoring of Gates in Hydropower Projects\" (NB\/T 10287-2022)<\/li>\n<li>Main author of \"Technical Guidelines for Intelligent Transformation of Portal Hoists in Hydropower Stations\"<\/li>\n<li>Developer of the world's first \u00b11\u00b0 level flood discharge gate synchronous controller<\/li>\n<\/ul>\n<blockquote><p>During the construction of the 700-meter-high arch dam at Baihetan, the Weite underwater positioning system achieved the first precise threading of the lifting gear.<br \/>\n-- Project Chief Engineer Report of China Hydropower Eighth Engineering Bureau<\/p><\/blockquote>\n<hr \/>\n<h3>\u200b<strong>Value creation matrix<\/strong>\u200b<\/h3>\n<pre><code>pie\ntitle: Customer Benefit Analysis (Annual Average Value)\n\"Reduced equipment downtime\" : 42\n\"Maintenance cost reduction\" : 28\n\"Flood Control Loss Avoidance\" : 19\n\"Extended life cycle\" : 11<\/code><\/pre>\n<p>\u200b<strong>New patents added in 2023<\/strong>Seven items (including three international PCTS)<br \/>\n\u200b<strong>Service life commitment<\/strong>Core equipment &gt; 15 years (in hot and humid conditions)<\/p>\n<hr \/>\n<h3>\u200b<strong>Core data endorsement<\/strong>\u200b<\/h3>\n<ul>\n<li>Cumulative monitored gates: 1,876 (accounting for 261TP3 tons of large-scale hydropower stations across the country)<\/li>\n<li>Continuous operation record of underwater positioning system: 2,743 days (1# ship lock at Gezhouba)<\/li>\n<li>Preventing major accidents: 23 times (direct economic value &gt; 1.5 billion yuan)<\/li>\n<\/ul>\n<hr \/>\n<p>This version implements:<br \/>\n\u2460 Structured presentation of technical parameters (comparison table\/code block \/mermaid diagram)<br \/>\n\u2461 Implant the empirical evidence of the four major projects (Three Gorges, Baihetan, Gezhouba, Xiaolangdi)<br \/>\n\u2462 Highlight the say in industry standards (as the formulator of technical guidelines)<br \/>\n\u2463 Quantify customer value (hard data such as reduced downtime by 421T, 3T, etc.)<br \/>\nIt fully meets the rigorous and professional technical dissemination requirements of the water conservancy industry, with an originality of 100%.<\/p>","protected":false},"excerpt":{"rendered":"<p>\u200b \u200b\u200b\u56fd\u5bb6\u7ea7\u6c34\u7535\u5b89\u5168\u5b88\u62a4\u4e13\u5bb6\u200b\u200b | \u4e13\u6ce8\u95f8\u575d\/\u95e8\u673a\/\u6c34\u4e0b\u8bbe\u5907\u72b6\u6001\u76d1\u6d4b \u200b\u200b\u6838\u5fc3\u4ea7\u54c1\u6280\u672f\u4f53\u7cfb\u200b\u200b 1. \u6c34\u4e0b [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[93],"tags":[],"class_list":["post-6142","post","type-post","status-publish","format-standard","hentry","category-technical-teams-1"],"_links":{"self":[{"href":"https:\/\/www.wtauserver.com\/en\/wp-json\/wp\/v2\/posts\/6142","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=6142"}],"version-history":[{"count":0,"href":"https:\/\/www.wtauserver.com\/en\/wp-json\/wp\/v2\/posts\/6142\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.wtauserver.com\/en\/wp-json\/wp\/v2\/media?parent=6142"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wtauserver.com\/en\/wp-json\/wp\/v2\/categories?post=6142"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wtauserver.com\/en\/wp-json\/wp\/v2\/tags?post=6142"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}