{"id":5390,"date":"2023-06-07T16:09:31","date_gmt":"2023-06-07T08:09:31","guid":{"rendered":"http:\/\/www.dcl-controls.com\/?p=5390"},"modified":"2025-03-31T09:11:10","modified_gmt":"2025-03-31T09:11:10","slug":"used-in-high-altitude","status":"publish","type":"post","link":"https:\/\/dclcontrols.com\/ro_ro\/sprijin\/un-actuator\/utilizat-la-altitudine-mare","title":{"rendered":"Pot fi utilizate actuatoarele DCL \u00een zone de mare altitudine?"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"5390\" class=\"elementor elementor-5390\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-c4425ee elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"c4425ee\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-592bf2f\" data-id=\"592bf2f\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2d2988c elementor-widget elementor-widget-text-editor\" data-id=\"2d2988c\" data-element_type=\"widget\" data-e-type=\"widget\" id=\"impact\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Mediile de mare altitudine prezint\u0103 provoc\u0103ri unice care pot afecta performan\u021ba <strong>Actuatoare electrice DCL<\/strong>Acest raport evalueaz\u0103 utilizarea lor la <strong>3.000 de metri deasupra nivelului m\u0103rii<\/strong>.<\/p><hr \/><h2><strong>1. Cum afecteaz\u0103 altitudinea mare produsele electrice<\/strong><\/h2><p>Pe m\u0103sur\u0103 ce altitudinea cre\u0219te:<br \/>\u2714 <strong>Densitatea \u0219i presiunea aerului scad<\/strong>, duc\u00e2nd la <strong>rezisten\u021b\u0103 mai mic\u0103 la izola\u021bie<\/strong> \u0219i risc crescut de defec\u021biuni electrice.<br \/>\u2714 <strong>Eficien\u021ba de r\u0103cire scade<\/strong>, provoc\u00e2nd <strong>cre\u0219tere mai mare a temperaturii<\/strong> \u00een motoare \u0219i electronic\u0103.<br \/>\u2714 <strong>Lubrifian\u021bii se evapor\u0103 mai repede<\/strong>\u0219i <strong>gaze sau lichide<\/strong> sunt mai susceptibile de a avea scurgeri din componentele etan\u0219e.<br \/>\u2714 <strong>Sc\u0103deri de temperatur\u0103<\/strong>, cu fluctua\u021bii mari zi-noapte, afect\u00e2nd piesele mecanice.<br \/>\u2714 <strong>Umiditate mai sc\u0103zut\u0103<\/strong> reduce izola\u021bia, dar <strong>cre\u0219te uzura periei<\/strong> \u00een motoare.<br \/>\u2714 <strong>Radia\u021bie solar\u0103 mai puternic\u0103<\/strong> accelereaz\u0103 \u00eemb\u0103tr\u00e2nirea materialelor.<\/p><h3><strong>Principalele zone de impact<\/strong><\/h3><ul><li><p><strong>Izola\u021bia electric\u0103 \u0219i cre\u0219terea temperaturii<\/strong> sunt preocup\u0103rile principale.<\/p><\/li><li><p><strong>Structuri mecanice<\/strong> poate fi afectat de <strong>varia\u021bii de presiune sc\u0103zut\u0103 \u0219i temperatur\u0103<\/strong>.<\/p><\/li><\/ul><hr \/><h2><strong>2. Impactul asupra structurii mecanice la 3.000 m<\/strong><\/h2><ul><li><p><strong>Schimb\u0103rile de presiune a aerului nu au niciun efect<\/strong> pe piesele mecanice ale actuatorului.<\/p><\/li><li><p><strong>Temperaturile sc\u0103zute cresc v\u00e2scozitatea gr\u0103simii<\/strong>, afect\u00e2nd cuplul de ie\u0219ire.<\/p><\/li><li><p><strong>Componentele sigilate sunt bine protejate<\/strong> \u00een carcasa puternic\u0103 \u0219i rezistent\u0103 la intemperii a actuatorului.<br \/>\u2714 <strong>At\u00e2ta timp c\u00e2t temperatura r\u0103m\u00e2ne peste -25\u00b0C, actuatorul furnizeaz\u0103 cuplul nominal.<\/strong><\/p><\/li><\/ul><hr \/><h2><strong>3. Impact asupra motorului electric la 3.000 m<\/strong><\/h2><ul><li><p><strong>Cre\u0219terea temperaturii<\/strong><\/p><ul><li><p>Conform <strong>GB755-87 \u0219i GB5171-2002<\/strong> standardele motorului, cre\u0219terile de temperatur\u0103 <strong>1% la 100m<\/strong> altitudine.<\/p><\/li><li><p>Motoare DCL <strong>func\u021bioneaz\u0103 \u00een mod normal sub 50\u00b0C<\/strong>, bine \u00een cadrul <strong>Limit\u0103 de 60\u00b0C<\/strong> stabilit de <strong>JB\/T 8219-2016<\/strong>.<\/p><\/li><\/ul><\/li><li><p><strong>Rezisten\u021ba izola\u021biei<\/strong><\/p><ul><li><p>Rezisten\u021ba izola\u021biei motorului la nivelul m\u0103rii: <strong>\u2265100M\u03a9<\/strong><\/p><\/li><li><p>La 3.000 m, izola\u021bia scade la <strong>72,9 M\u03a9<\/strong>, \u00eenc\u0103 mult peste <strong>20M\u03a9<\/strong> limit\u0103 de siguran\u021b\u0103.<\/p><\/li><\/ul><\/li><li><p><strong>Performan\u021b\u0103 mecanic\u0103<\/strong><\/p><ul><li><p>Temperaturile sc\u0103zute pot afecta <strong>rulmen\u021bi ai rotorului<\/strong>, f\u0103c\u00e2nd <strong>rulmen\u021bi pentru temperaturi sc\u0103zute<\/strong> de preferat.<\/p><\/li><li><p><strong>Uzur\u0103 mai mare a periilor de c\u0103rbune<\/strong> \u00een motoarele de curent continuu.<\/p><\/li><\/ul><\/li><\/ul><hr \/><h2><strong>4. Impact asupra servocontrolerului la 3.000 m<\/strong><\/h2><p>\u2714 <strong>Impact minim<\/strong>, deoarece toate componentele electronice sunt <strong>sigilat cu r\u0103\u0219in\u0103 epoxidic\u0103<\/strong> \u0219i au <strong>distan\u021be de conturnare adecvate<\/strong>.<\/p><hr \/><h2><strong>5. Impactul asupra condensatoarelor la 3.000 m<\/strong><\/h2><ul><li><p><strong>Condensatoarele standard sunt evaluate pentru o altitudine \u22642.000 m<\/strong> (GB\/T 3667.2-2016).<\/p><\/li><li><p><strong>Condensatoarele DCL dep\u0103\u0219esc aceast\u0103 cerin\u021b\u0103<\/strong>, cu tensiune de rezisten\u021b\u0103 real\u0103 <strong>mai mare dec\u00e2t 2x tensiunea nominal\u0103<\/strong>.<br \/>\u2714 <strong>La 3.000 m, condensatoarele DCL \u00eendeplinesc \u00een continuare cerin\u021bele de izola\u021bie.<\/strong><\/p><\/li><\/ul><hr \/><h2><strong>6. Impactul asupra poten\u021biometrelor, micro\u00eentrerup\u0103toarelor \u0219i altor componente electrice<\/strong><\/h2><ul><li><p>Aceste componente au <strong>f\u0103r\u0103 limit\u0103ri specifice altitudinii<\/strong>.<\/p><\/li><li><p>Rezisten\u021ba lor de izola\u021bie r\u0103m\u00e2ne <strong>\u2265100M\u03a9<\/strong>\u0219i ale lor <strong>rezisten\u021b\u0103 la tensiune<\/strong> (ini\u021bial 1.500 V CA pentru micro\u00eentrerup\u0103toare \u0219i 500 V CA pentru poten\u021biometre) scade cu <strong>doar 10% la 1.000 m<\/strong>, \u00eenc\u0103 \u00een limitele de siguran\u021b\u0103.<\/p><\/li><\/ul><hr \/><h2><strong>7. Concluzie final\u0103<\/strong><\/h2><p>Conform <strong>JB\/T 8219-2016<\/strong>, actuatoarele electrice industriale standard sunt proiectate pentru <strong>\u22641.300 m altitudine<\/strong>.<\/p><p>\u2714 <strong>Cu toate acestea, actuatoarele DCL au toleran\u021be de proiectare mai mari<\/strong> \u015fi <strong>marje de siguran\u021b\u0103 suficiente<\/strong> \u00een izola\u021bie \u0219i cre\u0219terea temperaturii.<br \/>\u2714 <strong>La 3.000 m, acestea func\u021bioneaz\u0103 normal, dar necesit\u0103 o \u00eemp\u0103m\u00e2ntare corespunz\u0103toare din cauza rezisten\u021bei reduse a izola\u021biei (aproximativ 72,9% fa\u021b\u0103 de valoarea normal\u0103).<\/strong><br \/>\u2714 <strong>Testele pe teren efectuate \u00een Delingha (2.980 m altitudine) confirm\u0103 performan\u021ba stabil\u0103.<\/strong><\/p><hr \/><h3><strong>Recomandare<\/strong><\/h3><p><strong>Actuatoarele electrice DCL pot fi utilizate la o altitudine de 3.000 m f\u0103r\u0103 probleme de performan\u021b\u0103, cu condi\u021bia s\u0103 se asigure o \u00eemp\u0103m\u00e2ntare corespunz\u0103toare.<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Mediile de mare altitudine prezint\u0103 provoc\u0103ri unice care pot afecta performan\u021ba actuatoarelor electrice DCL. Acest raport evalueaz\u0103 utilizarea lor la 3.000 de metri deasupra nivelului m\u0103rii. 1. Cum afecteaz\u0103 altitudinea mare produsele electrice Pe m\u0103sur\u0103 ce altitudinea cre\u0219te:\u2714 Densitatea \u0219i presiunea aerului scad, ceea ce duce la o rezisten\u021b\u0103 mai mic\u0103 a izola\u021biei \u0219i la un risc crescut de defec\u021biuni electrice.\u2714 Eficien\u021ba de r\u0103cire scade, provoc\u00e2nd [\u2026]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"elementor_theme","format":"standard","meta":{"_acf_changed":true,"footnotes":""},"categories":[91],"tags":[53],"class_list":["post-5390","post","type-post","status-publish","format-standard","hentry","category-an-actuator","tag-actuator"],"acf":[],"_links":{"self":[{"href":"https:\/\/dclcontrols.com\/ro_ro\/wp-json\/wp\/v2\/posts\/5390","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dclcontrols.com\/ro_ro\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dclcontrols.com\/ro_ro\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dclcontrols.com\/ro_ro\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dclcontrols.com\/ro_ro\/wp-json\/wp\/v2\/comments?post=5390"}],"version-history":[{"count":0,"href":"https:\/\/dclcontrols.com\/ro_ro\/wp-json\/wp\/v2\/posts\/5390\/revisions"}],"wp:attachment":[{"href":"https:\/\/dclcontrols.com\/ro_ro\/wp-json\/wp\/v2\/media?parent=5390"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dclcontrols.com\/ro_ro\/wp-json\/wp\/v2\/categories?post=5390"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dclcontrols.com\/ro_ro\/wp-json\/wp\/v2\/tags?post=5390"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}