{"id":5234,"date":"2025-01-23T08:00:00","date_gmt":"2025-01-23T07:00:00","guid":{"rendered":"https:\/\/www.teslaestorage.eu\/hloubka-vybiti-baterie-dod-depth-of-discharge-a-vliv-na-zivotnost\/"},"modified":"2025-01-23T10:24:02","modified_gmt":"2025-01-23T09:24:02","slug":"hloubka-vybiti-baterie-dod-depth-of-discharge-a-vliv-na-zivotnost","status":"publish","type":"post","link":"https:\/\/www.teslaestorage.eu\/cs\/hloubka-vybiti-baterie-dod-depth-of-discharge-a-vliv-na-zivotnost\/","title":{"rendered":"Hloubka Vybit\u00ed Baterie (DoD &#8211; Depth of Discharge) a Vliv na \u017divotnost"},"content":{"rendered":"\n<p>Ka\u017ed\u00e1 dob\u00edjec\u00ed baterie (akumul\u00e1tor) m\u00e1 nomin\u00e1ln\u00ed kapacitu, kter\u00e1 p\u0159edstavuje maxim\u00e1ln\u00ed mno\u017estv\u00ed ulo\u017een\u00e9 energie, tedy 100 %. Tuto kapacitu v\u0161ak nen\u00ed mo\u017en\u00e9 pln\u011b vyu\u017e\u00edvat. Na obou hranic\u00edch kapacity \u2013 jak na horn\u00ed (100 %), tak na doln\u00ed (0 %) \u2013 doch\u00e1z\u00ed ke kritick\u00fdm bod\u016fm, kter\u00e9 mohou zp\u016fsobit destrukci bateriov\u00fdch \u010dl\u00e1nk\u016f. Tento jev zahrnuje tvorbu dendrit\u016f (zkrat mezi anodou a katodou), p\u0159\u00edpadn\u011b urychlenou degradaci baterie.   <\/p>\n\n<h2 class=\"wp-block-heading\">Co je hloubka vybit\u00ed baterie (DoD)?<\/h2>\n\n<p>Depth of Discharge (DoD) ozna\u010duje procento kapacity baterie, kter\u00e9 je vybit\u00e9 v\u016f\u010di jej\u00ed celkov\u00e9 nomin\u00e1ln\u00ed kapacit\u011b. Nap\u0159\u00edklad DoD 80 % znamen\u00e1, \u017ee baterie byla vybit\u00e1 na 80 % sv\u00e9 celkov\u00e9 kapacity a zb\u00fdvaj\u00edc\u00edch 20 % je rezerva. <\/p>\n\n<p>Pro maximalizaci \u017eivotnosti baterie je kl\u00ed\u010dov\u00e9 sledovat nejen maxim\u00e1ln\u00ed nab\u00edjec\u00ed a vyb\u00edjec\u00ed proudy (C), ale tak\u00e9 hodnotu DoD. Vy\u0161\u0161\u00ed DoD znamen\u00e1 vy\u0161\u0161\u00ed vyu\u017eit\u00ed kapacity baterie, ale z\u00e1rove\u0148 urychluje jej\u00ed degradaci. <\/p>\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n<h3 class=\"wp-block-heading\">Dopad DoD na \u017eivotnost baterie<\/h3>\n\n<p>Obecn\u011b plat\u00ed, \u017ee \u010d\u00edm ni\u017e\u0161\u00ed je DoD, t\u00edm del\u0161\u00ed je \u017eivotnost baterie. To je d\u016fsledkem sn\u00ed\u017een\u00e9ho vystavov\u00e1n\u00ed bateriov\u00fdch \u010dl\u00e1nk\u016f extr\u00e9mn\u00edm stav\u016fm, kter\u00e9 zvy\u0161uj\u00ed riziko degradace. <\/p>\n\n<h4 class=\"wp-block-heading\">\u017divotnost baterie p\u0159i r\u016fzn\u00fdch hodnot\u00e1ch DoD:<\/h4>\n\n<ul class=\"wp-block-list\">\n<li><strong>DoD 50 %<\/strong>: Nejdel\u0161\u00ed \u017eivotnost, vhodn\u00e9 pro aplikace s dlouhodob\u00fdm horizontem, kde je prioritou stabilita.<\/li>\n\n\n\n<li><strong>DoD 80 %<\/strong>: Kompromis mezi vyu\u017eit\u00edm kapacity a \u017eivotnost\u00ed, ide\u00e1ln\u00ed pro v\u011bt\u0161inu standardn\u00edch aplikac\u00ed.<\/li>\n\n\n\n<li><strong>DoD 95 %<\/strong>: Maxim\u00e1ln\u00ed vyu\u017eit\u00ed kapacity, ale zna\u010dn\u011b zkr\u00e1cen\u00e1 \u017eivotnost. Pou\u017e\u00edv\u00e1 se u aplikac\u00ed, kde je kl\u00ed\u010dov\u00e1 vysok\u00e1 kapacita, ale s v\u011bdom\u00edm rychlej\u0161\u00ed degradace. <\/li>\n<\/ul>\n\n<h4 class=\"wp-block-heading\">P\u0159\u00edklady vyu\u017eit\u00ed DoD v praxi<\/h4>\n\n<ul class=\"wp-block-list\">\n<li><strong>Dom\u00e1c\u00ed bateriov\u00e9 syst\u00e9my<\/strong> : Doporu\u010duje se DoD kolem 80 % pro vyv\u00e1\u017een\u00fd pom\u011br mezi kapacitou a \u017eivotnost\u00ed.<\/li>\n\n\n\n<li><strong>Pr\u016fmyslov\u00e9 syst\u00e9my<\/strong>: DoD 90 % je vhodn\u00e9 pro aplikace s vy\u0161\u0161\u00edmi po\u017eadavky na dostupnou energii.<\/li>\n\n\n\n<li><strong>Komer\u010dn\u00ed syst\u00e9my<\/strong>: N\u011bkte\u0159\u00ed z\u00e1kazn\u00edci vol\u00ed DoD a\u017e 95 %, ale vy\u017eaduje to kvalitn\u011bj\u0161\u00ed syst\u00e9my a monitorov\u00e1n\u00ed.<\/li>\n<\/ul>\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"611\" src=\"https:\/\/www.teslaestorage.eu\/wp-content\/uploads\/2025\/01\/dod-vs-cycle-1024x611.png\" alt=\"\" class=\"wp-image-5198\" srcset=\"https:\/\/www.teslaestorage.eu\/wp-content\/uploads\/2025\/01\/dod-vs-cycle-1024x611.png 1024w, https:\/\/www.teslaestorage.eu\/wp-content\/uploads\/2025\/01\/dod-vs-cycle-300x179.png 300w, https:\/\/www.teslaestorage.eu\/wp-content\/uploads\/2025\/01\/dod-vs-cycle-768x458.png 768w, https:\/\/www.teslaestorage.eu\/wp-content\/uploads\/2025\/01\/dod-vs-cycle-1536x916.png 1536w, https:\/\/www.teslaestorage.eu\/wp-content\/uploads\/2025\/01\/dod-vs-cycle.png 1979w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n<h3 class=\"wp-block-heading\">Optim\u00e1ln\u00ed hodnota DoD<\/h3>\n\n<p>Nej\u010dast\u011bj\u0161\u00edm kompromisem mezi \u017eivotnost\u00ed a vyu\u017eitelnou kapacitou je DoD v rozmez\u00ed <strong>80 % a\u017e 90 %<\/strong>. Nap\u0159\u00edklad u baterie s kapacitou 1 MWh to znamen\u00e1 re\u00e1ln\u011b vyu\u017eiteln\u00fdch 800\u2013900 kWh. Tato hodnota poskytuje dostate\u010dn\u011b velk\u00fd buffer na ochranu bateriov\u00fdch \u010dl\u00e1nk\u016f a z\u00e1rove\u0148 zaji\u0161\u0165uje rozumnou vyu\u017eitelnou kapacitu.  <\/p>\n\n<p>Pro syst\u00e9my ur\u010den\u00e9 pro aplikace SVR (Short Voltage Response) n\u011bkte\u0159\u00ed z\u00e1kazn\u00edci po\u017eaduj\u00ed nastaven\u00ed DoD a\u017e na 95 %. Tento p\u0159\u00edstup je ale rizikov\u00fd, proto\u017ee ponech\u00e1v\u00e1 doln\u00ed buffer pouze 2,5 %. To m\u016f\u017ee v\u00e9st k rychlej\u0161\u00ed degradaci a zhor\u0161en\u00ed hodnoty SoH (State of Health).  <\/p>\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n<h3 class=\"wp-block-heading\">Grafick\u00e9 zn\u00e1zorn\u011bn\u00ed:<\/h3>\n\n<h4 class=\"wp-block-heading\">1. Vztah mezi hodnotou DoD a po\u010dtem cykl\u016f<\/h4>\n\n<p>N\u00e1sleduj\u00edc\u00ed graf ukazuje, jak r\u016fzn\u00e9 hodnoty DoD ovliv\u0148uj\u00ed celkov\u00fd po\u010det cykl\u016f, kter\u00e9 baterie dok\u00e1\u017ee zvl\u00e1dnout. Vy\u0161\u0161\u00ed hodnoty DoD vedou k ni\u017e\u0161\u00edmu po\u010dtu cykl\u016f, co\u017e ilustruje pot\u0159ebu hled\u00e1n\u00ed kompromisu. <\/p>\n\n<h4 class=\"wp-block-heading\">2. Riziko degradace p\u0159i vysok\u00e9m DoD<\/h4>\n\n<p>Tabulka porovn\u00e1v\u00e1 hodnoty SoH po 1000 cyklech p\u0159i DoD 80 %, 90 %, a 95 %.<\/p>\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th><strong>DoD<\/strong><\/th><th><strong>Po\u010det cykl\u016f<\/strong><\/th><th><strong>SoH po 1000 cyklech<\/strong><\/th><\/tr><tr><td>80 %<\/td><td>5000+<\/td><td>90 %<\/td><\/tr><tr><td>90 %<\/td><td>3000\u20134000<\/td><td>80 %<\/td><\/tr><tr><td>95 %<\/td><td>2000\u20133000<\/td><td>70 %<\/td><\/tr><\/tbody><\/table><\/figure>\n\n<h4 class=\"wp-block-heading\">3. Doporu\u010den\u00e9 DoD podle aplikace<\/h4>\n\n<ul class=\"wp-block-list\">\n<li>Dom\u00e1cnosti: 80\u201385 %<\/li>\n\n\n\n<li>Pr\u016fmyslov\u00e9 aplikace: 80\u201390 %<\/li>\n\n\n\n<li>SVR aplikace: 90\u201395 %<\/li>\n<\/ul>\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"765\" src=\"https:\/\/www.teslaestorage.eu\/wp-content\/uploads\/2025\/01\/dod-soc-elements-1024x765.png\" alt=\"\" class=\"wp-image-5191\" srcset=\"https:\/\/www.teslaestorage.eu\/wp-content\/uploads\/2025\/01\/dod-soc-elements-1024x765.png 1024w, https:\/\/www.teslaestorage.eu\/wp-content\/uploads\/2025\/01\/dod-soc-elements-300x224.png 300w, https:\/\/www.teslaestorage.eu\/wp-content\/uploads\/2025\/01\/dod-soc-elements-768x574.png 768w, https:\/\/www.teslaestorage.eu\/wp-content\/uploads\/2025\/01\/dod-soc-elements-1536x1148.png 1536w, https:\/\/www.teslaestorage.eu\/wp-content\/uploads\/2025\/01\/dod-soc-elements.png 1578w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n<h3 class=\"wp-block-heading\">Z\u00e1v\u011br<\/h3>\n\n<p>Nastaven\u00ed hloubky vybit\u00ed (DoD) je kl\u00ed\u010dov\u00fdm faktorem p\u0159i maximalizaci \u017eivotnosti baterie. P\u0159\u00edli\u0161 vysok\u00e1 hodnota DoD m\u016f\u017ee zkr\u00e1tit \u017eivotnost baterie, zat\u00edmco p\u0159\u00edli\u0161 n\u00edzk\u00e1 hodnota sni\u017euje vyu\u017eitelnou kapacitu. Kl\u00ed\u010dem je naj\u00edt optim\u00e1ln\u00ed hodnotu, kter\u00e1 zajist\u00ed rovnov\u00e1hu mezi kapacitou a dlouhodobou udr\u017eitelnost\u00ed. je d\u016fle\u017eit\u00e9 zv\u00e1\u017eit specifika pou\u017eit\u00ed a preferovat kvalitu <a href=\"http:\/\/www.teslaestorage.eu\">bateriov\u00fdch \u00falo\u017ei\u0161\u0165<\/a>.<br\/><br\/><br\/><br\/><br\/>   <\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ka\u017ed\u00e1 dob\u00edjec\u00ed baterie (akumul\u00e1tor) m\u00e1 nomin\u00e1ln\u00ed kapacitu, kter\u00e1 p\u0159edstavuje maxim\u00e1ln\u00ed mno\u017estv\u00ed ulo\u017een\u00e9 energie, tedy 100 %. Tuto kapacitu v\u0161ak nen\u00ed mo\u017en\u00e9 pln\u011b vyu\u017e\u00edvat. Na obou hranic\u00edch kapacity \u2013 jak na horn\u00ed (100 %), tak na doln\u00ed (0 %) \u2013 doch\u00e1z\u00ed ke kritick\u00fdm bod\u016fm, kter\u00e9 mohou zp\u016fsobit destrukci bateriov\u00fdch \u010dl\u00e1nk\u016f. Tento jev zahrnuje tvorbu dendrit\u016f (zkrat [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":5207,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-5234","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized-cs"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.teslaestorage.eu\/cs\/wp-json\/wp\/v2\/posts\/5234","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.teslaestorage.eu\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.teslaestorage.eu\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.teslaestorage.eu\/cs\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.teslaestorage.eu\/cs\/wp-json\/wp\/v2\/comments?post=5234"}],"version-history":[{"count":1,"href":"https:\/\/www.teslaestorage.eu\/cs\/wp-json\/wp\/v2\/posts\/5234\/revisions"}],"predecessor-version":[{"id":5235,"href":"https:\/\/www.teslaestorage.eu\/cs\/wp-json\/wp\/v2\/posts\/5234\/revisions\/5235"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.teslaestorage.eu\/cs\/wp-json\/wp\/v2\/media\/5207"}],"wp:attachment":[{"href":"https:\/\/www.teslaestorage.eu\/cs\/wp-json\/wp\/v2\/media?parent=5234"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.teslaestorage.eu\/cs\/wp-json\/wp\/v2\/categories?post=5234"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.teslaestorage.eu\/cs\/wp-json\/wp\/v2\/tags?post=5234"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}