{"id":580,"date":"2025-11-16T20:00:07","date_gmt":"2025-11-16T19:00:07","guid":{"rendered":"https:\/\/siapro-hydro.com\/?page_id=580"},"modified":"2025-11-23T18:07:50","modified_gmt":"2025-11-23T17:07:50","slug":"refurbishment-of-two-francis-turbines-2-1-mw-and-0-9-mw-and-upgrade-of-equipment","status":"publish","type":"page","link":"https:\/\/siapro-hydro.com\/en\/reference\/obnova-dveh-francis-turbin-2-1-mw-in-0-9-mw-ter-nadgradnja-opreme\/","title":{"rendered":"Renovation of two Francis turbines (2.1 MW and 0.9 MW) and equipment upgrade"},"content":{"rendered":"<section class=\"bde-section-580-316 bde-section\">\n              \n  \n  \n\t\n\n\n\n<div class=\"section-container\"><h1 class=\"bde-heading-580-102 bde-heading\">\nRefurbishment of two Francis turbines 2.1 MW and 0.9 MW\n<\/h1><div class=\"bde-text-580-320 bde-text\">\nComprehensive reconstruction of units, generators, cooling systems, and hydraulic equipment\n<\/div><\/div>\n<\/section><section id=\"podjetja\" class=\"bde-section-580-399 bde-section\">\n  \n  \n\t\n\n\n\n<div class=\"section-container\"><h2 class=\"bde-heading-580-400 bde-heading heading-with-bar\">\nABOUT THE PROJECT\n<\/h2><\/div>\n<\/section><section class=\"bde-section-580-332 bde-section\">\n  \n  \n\t\n\n\n\n<div class=\"section-container\"><div class=\"bde-columns-580-408 bde-columns\"><div class=\"bde-column-580-409 bde-column\">\n  \n  \n\t\n\n\n\n<div class=\"bde-rich-text-580-412 bde-rich-text breakdance-rich-text-styles\">\n<p data-start=\"556\" data-end=\"827\">In this project, we carried out an extensive renovation of two Francis turbines with capacities of 2.1 MW and 0.9 MW, along with an upgrade of the associated electromechanical and hydraulic equipment. The project aimed to increase the reliability, efficiency, and long-term operational safety of the hydropower plant.<\/p>\n<h3 data-start=\"829\" data-end=\"865\">Renovation of Unit 1 \u2013 2.1 MW<\/h3>\n<p data-start=\"866\" data-end=\"923\">We carried out a complete mechanical and electrical reconstruction:<\/p>\n<ul data-start=\"924\" data-end=\"1150\">\n<li data-start=\"924\" data-end=\"954\">\n<p data-start=\"926\" data-end=\"954\">renovation of the turbine and rotor,<\/p>\n<\/li>\n<li data-start=\"955\" data-end=\"990\">\n<p data-start=\"957\" data-end=\"990\">replacement of the shaft and all bearings,<\/p>\n<\/li>\n<li data-start=\"991\" data-end=\"1041\">\n<p data-start=\"993\" data-end=\"1041\">installation of a new 2.1 MW, 10 kV generator,<\/p>\n<\/li>\n<li data-start=\"1042\" data-end=\"1081\">\n<p data-start=\"1044\" data-end=\"1081\">installation of a new cooling system,<\/p>\n<\/li>\n<li data-start=\"1082\" data-end=\"1116\">\n<p data-start=\"1084\" data-end=\"1116\">renovation of the hydraulic unit,<\/p>\n<\/li>\n<li data-start=\"1117\" data-end=\"1150\">\n<p data-start=\"1119\" data-end=\"1150\">renovation of the pre-turbine valve.<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"1152\" data-end=\"1188\">Renovation of Unit 2 \u2013 0.9 MW<\/h3>\n<p data-start=\"1189\" data-end=\"1257\">The work included the same scope of upgrades as for the larger unit:<\/p>\n<ul data-start=\"1258\" data-end=\"1480\">\n<li data-start=\"1258\" data-end=\"1288\">\n<p data-start=\"1260\" data-end=\"1288\">renovation of the turbine and rotor,<\/p>\n<\/li>\n<li data-start=\"1289\" data-end=\"1318\">\n<p data-start=\"1291\" data-end=\"1318\">replacement of the shaft and bearings,<\/p>\n<\/li>\n<li data-start=\"1319\" data-end=\"1369\">\n<p data-start=\"1321\" data-end=\"1369\">installation of a new 0.9 MW, 10 kV generator,<\/p>\n<\/li>\n<li data-start=\"1370\" data-end=\"1411\">\n<p data-start=\"1372\" data-end=\"1411\">installation of a new cooling system,<\/p>\n<\/li>\n<li data-start=\"1412\" data-end=\"1446\">\n<p data-start=\"1414\" data-end=\"1446\">renovation of the hydraulic unit,<\/p>\n<\/li>\n<li data-start=\"1447\" data-end=\"1480\">\n<p data-start=\"1449\" data-end=\"1480\">renovation of the pre-turbine valve.<\/p>\n<\/li>\n<\/ul>\n<h3 data-start=\"1482\" data-end=\"1550\">Additional upgrades to the hydraulic system and infrastructure<\/h3>\n<p data-start=\"1551\" data-end=\"1819\">We supplied and installed a bypass dissipation valve complete with a hydraulic regulator for safe flow and pressure control. In addition, we upgraded the overhead crane, enabling safer and more efficient maintenance of the equipment.<\/p>\n<\/div>\n<\/div><div class=\"bde-column-580-410 bde-column\">\n  \n  \n\t\n\n\n\n<img decoding=\"async\" class=\"bde-image2-580-411 bde-image2\" src=\"https:\/\/siapro-hydro.com\/wp-content\/uploads\/2025\/11\/siapro_hidroelektrarna_obnovjena.jpg\" loading=\"lazy\" srcset=\"https:\/\/siapro-hydro.com\/wp-content\/uploads\/2025\/11\/siapro_hidroelektrarna_obnovjena.jpg 1280w, https:\/\/siapro-hydro.com\/wp-content\/uploads\/2025\/11\/siapro_hidroelektrarna_obnovjena-300x225.jpg 300w, https:\/\/siapro-hydro.com\/wp-content\/uploads\/2025\/11\/siapro_hidroelektrarna_obnovjena-1024x768.jpg 1024w, https:\/\/siapro-hydro.com\/wp-content\/uploads\/2025\/11\/siapro_hidroelektrarna_obnovjena-768x576.jpg 768w, https:\/\/siapro-hydro.com\/wp-content\/uploads\/2025\/11\/siapro_hidroelektrarna_obnovjena-16x12.jpg 16w\" sizes=\"(max-width: 1280px) 100vw, 1280px\"><div class=\"bde-icon-list-580-472 bde-icon-list\">\n<ul>\n  \n              \n    <li>\n              <div class='bde-icon-list__item-wrapper'>\n      \n      <span class='bde-icon-list__icon'>\n        <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" id=\"icon-calendar\" viewbox=\"0 0 32 32\">\n<path d=\"M10 12h4v4h-4zM16 12h4v4h-4zM22 12h4v4h-4zM4 24h4v4h-4zM10 24h4v4h-4zM16 24h4v4h-4zM10 18h4v4h-4zM16 18h4v4h-4zM22 18h4v4h-4zM4 18h4v4h-4zM26 0v2h-4v-2h-14v2h-4v-2h-4v32h30v-32h-4zM28 30h-26v-22h26v22z\"\/>\n<\/svg>\n      <\/span>\n      <span class='bde-icon-list__text' >\n      Year of renovation: 2025\n      <\/span>\n              <\/div>\n      \n    <\/li>\n\n  \n              \n    <li>\n              <div class='bde-icon-list__item-wrapper'>\n      \n      <span class='bde-icon-list__icon'>\n        <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewbox=\"0 0 512 512\"><!--! Font Awesome Free 6.5.1 by @fontawesome - https:\/\/fontawesome.com License - https:\/\/fontawesome.com\/license\/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License) Copyright 2023 Fonticons, Inc. --><path d=\"M495.9 166.6c3.2 8.7 .5 18.4-6.4 24.6l-43.3 39.4c1.1 8.3 1.7 16.8 1.7 25.4s-.6 17.1-1.7 25.4l43.3 39.4c6.9 6.2 9.6 15.9 6.4 24.6c-4.4 11.9-9.7 23.3-15.8 34.3l-4.7 8.1c-6.6 11-14 21.4-22.1 31.2c-5.9 7.2-15.7 9.6-24.5 6.8l-55.7-17.7c-13.4 10.3-28.2 18.9-44 25.4l-12.5 57.1c-2 9.1-9 16.3-18.2 17.8c-13.8 2.3-28 3.5-42.5 3.5s-28.7-1.2-42.5-3.5c-9.2-1.5-16.2-8.7-18.2-17.8l-12.5-57.1c-15.8-6.5-30.6-15.1-44-25.4L83.1 425.9c-8.8 2.8-18.6 .3-24.5-6.8c-8.1-9.8-15.5-20.2-22.1-31.2l-4.7-8.1c-6.1-11-11.4-22.4-15.8-34.3c-3.2-8.7-.5-18.4 6.4-24.6l43.3-39.4C64.6 273.1 64 264.6 64 256s.6-17.1 1.7-25.4L22.4 191.2c-6.9-6.2-9.6-15.9-6.4-24.6c4.4-11.9 9.7-23.3 15.8-34.3l4.7-8.1c6.6-11 14-21.4 22.1-31.2c5.9-7.2 15.7-9.6 24.5-6.8l55.7 17.7c13.4-10.3 28.2-18.9 44-25.4l12.5-57.1c2-9.1 9-16.3 18.2-17.8C227.3 1.2 241.5 0 256 0s28.7 1.2 42.5 3.5c9.2 1.5 16.2 8.7 18.2 17.8l12.5 57.1c15.8 6.5 30.6 15.1 44 25.4l55.7-17.7c8.8-2.8 18.6-.3 24.5 6.8c8.1 9.8 15.5 20.2 22.1 31.2l4.7 8.1c6.1 11 11.4 22.4 15.8 34.3zM256 336a80 80 0 1 0 0-160 80 80 0 1 0 0 160z\"\/><\/svg>\n      <\/span>\n      <span class='bde-icon-list__text' >\n      Turbine: 2x Francis\n      <\/span>\n              <\/div>\n      \n    <\/li>\n\n  \n              \n    <li>\n              <div class='bde-icon-list__item-wrapper'>\n      \n      <span class='bde-icon-list__icon'>\n        <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" id=\"icon-power\" viewbox=\"0 0 32 32\">\n<path d=\"M12 0l-12 16h12l-8 16 28-20h-16l12-12z\"\/>\n<\/svg>\n      <\/span>\n      <span class='bde-icon-list__text' >\n      Unit 1 power: 2.1 kW\n      <\/span>\n              <\/div>\n      \n    <\/li>\n\n  \n              \n    <li>\n              <div class='bde-icon-list__item-wrapper'>\n      \n      <span class='bde-icon-list__icon'>\n        <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" id=\"icon-power\" viewbox=\"0 0 32 32\">\n<path d=\"M12 0l-12 16h12l-8 16 28-20h-16l12-12z\"\/>\n<\/svg>\n      <\/span>\n      <span class='bde-icon-list__text' >\n      Unit 2 power: 0.9 MW\n      <\/span>\n              <\/div>\n      \n    <\/li>\n\n  <\/ul>\n\n<\/div><div class=\"bde-gallery-580-489 bde-gallery\">\n\n\n  \n\n\n\n\n\n\n\n\n\n\n<div class=\"ee-gallery ee-gallery--default ee-gallery--grid ee-gallery--single ee-gallery--lightbox ee-gallery-- ee-gallery--caption- ee-gallery--caption-none ee-gallery--ratio\">\n                  \n      <a class=\"ee-gallery-item ee-gallery-item--image ee-gallery-item--single\" href=\"https:\/\/siapro-hydro.com\/wp-content\/uploads\/2025\/11\/obnavljanje_hidroelektrarne.jpg\"  data-sub-html=\"<span><\/span>\" data-category=\"1\"                  data-lg-size=\"1280-960\"\n\n      >\n        <figure class=\"ee-gallery-item-figure\">\n                       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d=\"M0,32L40,64C80,96,160,160,240,181.3C320,203,400,181,480,197.3C560,213,640,267,720,261.3C800,256,880,192,960,154.7C1040,117,1120,107,1200,85.3C1280,64,1360,32,1400,16L1440,0L1440,320L1400,320C1360,320,1280,320,1200,320C1120,320,1040,320,960,320C880,320,800,320,720,320C640,320,560,320,480,320C400,320,320,320,240,320C160,320,80,320,40,320L0,320Z\"><\/path>\n            <\/svg>\n                    <\/span>\n      <\/div>\n  <div class=\"section-container\"><div class=\"bde-div-580-484 bde-div\" data-entrance=\"slideUp\">\n  \n  \n\t\n\n\n\n<div class=\"bde-div-580-485 bde-div\">\n  \n  \n\t\n\n\n\n<h2 class=\"bde-heading-580-486 bde-heading\">\nInterested in a similar project?\n<\/h2><div class=\"bde-text-580-487 bde-text\">\nContact us for professional advice or a quote for your hydroelectric power plant.\n<\/div><div class=\"bde-button-580-488 bde-button\">\n    \n                        \n                        \n    \n    \n    \n    \n            \n                    \n            \n            \n\n    \n    \n    \n    \n    \n    <a class=\"breakdance-link button-atom button-atom--custom bde-button__button\" href=\"https:\/\/siapro-hydro.com\/en\/contact\/\" target=\"_self\" data-type=\"url\"  >\n\n    \n        <span class=\"button-atom__text\">CONTACT US<\/span>\n\n        \n        \n                <\/a>\n\n    \n\n\n<\/div>\n<\/div>\n<\/div><\/div>\n<\/section>","protected":false},"excerpt":{"rendered":"<p>Obnova dveh Francis turbin 2.1 MW in 0.9 MW Celovita rekonstrukcija agregatov, generatorjev, hladilnih sistemov ter hidravli\u010dne opreme O PROJEKTU Pri projektu smo izvedli obse\u017eno obnovo dveh Francis turbin mo\u010di 2.1 MW in 0.9 MW, skupaj z nadgradnjo pripadajo\u010de elektro-mehanske in hidravli\u010dne opreme. Cilj projekta je bil pove\u010dati zanesljivost, u\u010dinkovitost ter dolgoro\u010dno obratovalno varnost hidroelektrarne. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":270,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_breakdance_hide_in_design_set":false,"_breakdance_tags":"","footnotes":""},"class_list":["post-580","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/siapro-hydro.com\/en\/wp-json\/wp\/v2\/pages\/580","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/siapro-hydro.com\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/siapro-hydro.com\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/siapro-hydro.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/siapro-hydro.com\/en\/wp-json\/wp\/v2\/comments?post=580"}],"version-history":[{"count":7,"href":"https:\/\/siapro-hydro.com\/en\/wp-json\/wp\/v2\/pages\/580\/revisions"}],"predecessor-version":[{"id":1009,"href":"https:\/\/siapro-hydro.com\/en\/wp-json\/wp\/v2\/pages\/580\/revisions\/1009"}],"up":[{"embeddable":true,"href":"https:\/\/siapro-hydro.com\/en\/wp-json\/wp\/v2\/pages\/270"}],"wp:attachment":[{"href":"https:\/\/siapro-hydro.com\/en\/wp-json\/wp\/v2\/media?parent=580"}],"curies":[{"name":"WP","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}