{"id":365619,"date":"2026-01-06T11:01:14","date_gmt":"2026-01-06T10:01:14","guid":{"rendered":"https:\/\/zakrasnejsivimperk.cz\/?p=365619"},"modified":"2026-01-06T11:03:26","modified_gmt":"2026-01-06T10:03:26","slug":"aktuality-dukovany-a-temelin-presly-na-plny-zimni-rezim","status":"publish","type":"post","link":"https:\/\/zakrasnejsivimperk.cz\/?p=365619","title":{"rendered":"AKTUALITY: Dukovany a Temel\u00edn p\u0159e\u0161ly na pln\u00fd zimn\u00ed re\u017eim"},"content":{"rendered":"

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\u010cesk\u00e9 jadern\u00e9 elektr\u00e1rny Dukovany a Temel\u00edn reaguj\u00ed na v\u00fdrazn\u00fd pokles venkovn\u00edch teplot a p\u0159ech\u00e1zej\u00ed na pln\u00fd zimn\u00ed re\u017eim. Oper\u00e1to\u0159i upravili nastaven\u00ed chladic\u00edch v\u011b\u017e\u00ed a dal\u0161\u00edch za\u0159\u00edzen\u00ed tak, aby provoz byl co nejefektivn\u011bj\u0161\u00ed. Chladn\u011bj\u0161\u00ed po\u010das\u00ed elektr\u00e1rn\u00e1m obecn\u011b prosp\u00edv\u00e1. D\u00edky ni\u017e\u0161\u00ed teplot\u011b vody v terci\u00e1rn\u00edm (nejadern\u00e9m) okruhu se v\u00fdkon blok\u016f zvy\u0161uje o jednotky megawatt\u016f.<\/h4>\n

Zimn\u00ed re\u017eim chladic\u00edch v\u011b\u017e\u00ed<\/h6>\n

Zm\u011bny jsou nejv\u00edce patrn\u00e9 u chladic\u00edch syst\u00e9m\u016f, nap\u0159\u00edklad n\u00e1dr\u017e\u00ed s rozst\u0159ikem a chladic\u00edch v\u011b\u017e\u00ed. Ty nyn\u00ed vyu\u017e\u00edvaj\u00ed tzv. zimn\u00ed clonu, tedy prvn\u00ed ze t\u0159\u00ed zimn\u00edch re\u017eim\u016f, kter\u00fd se uplat\u0148uje p\u0159i teplot\u00e1ch kolem nuly. Voda rozl\u00e9van\u00e1 po odvodu v\u011b\u017e\u00ed br\u00e1n\u00ed vstupu studen\u00e9ho vzduchu a omezuje riziko n\u00e1mrazy. Pokud teploty klesnou je\u0161t\u011b v\u00edce, mohou oper\u00e1to\u0159i sn\u00ed\u017eit rozst\u0159ik vody uvnit\u0159 v\u011b\u017ee, nebo dokonce jednu v\u011b\u017e \u00fapln\u011b odpojit. \u201eC\u00edlem je v\u017edy optimalizovat provoz, tedy dos\u00e1hnout ide\u00e1ln\u00ed teploty chlad\u00edc\u00ed vody, kter\u00e1 nesm\u00ed b\u00fdt p\u0159\u00edli\u0161 n\u00edzk\u00e1 a z\u00e1rove\u0148 minimalizovat vlastn\u00ed spot\u0159ebu elekt\u0159iny. K dispozici m\u00e1me n\u011bkolik provozn\u00edch re\u017eim\u016f chlad\u00edc\u00edch v\u011b\u017e\u00ed v\u010detn\u011b mo\u017enosti nat\u00e1\u010den\u00ed lopatek ob\u011bhov\u00fdch \u010derpadel, kter\u00e9 aktivn\u011b pou\u017e\u00edv\u00e1me,\u201c<\/em> vysv\u011btluje \u0159editel temel\u00ednsk\u00e9 elektr\u00e1rny Petr M\u011b\u0161\u0165an.<\/p>\n

V Temel\u00edn\u011b nav\u00edc oper\u00e1tor\u016fm pom\u00e1h\u00e1 um\u011bl\u00e1 inteligence, kter\u00e1 vyhodnocuje velk\u00e9 mno\u017estv\u00ed \u00fadaj\u016f, od predikce teplot a vlhkosti a\u017e po nastaven\u00ed \u010derpadel.<\/p>\n

Ni\u017e\u0161\u00ed teplota zvy\u0161uje v\u00fdkon turb\u00edn<\/h6>\n

Optim\u00e1ln\u00ed teplota chladic\u00ed vody, kter\u00e1 koluje mezi v\u011b\u017eemi a kondenz\u00e1tory v nejadern\u00e9 \u010d\u00e1sti elektr\u00e1rny, m\u00e1 p\u0159\u00edm\u00fd vliv na v\u00fdrobu. Kondenz\u00e1tor ochlazuje p\u00e1ru z turb\u00edny a m\u011bn\u00ed ji zp\u011bt na vodu, \u010d\u00edm\u017e vytv\u00e1\u0159\u00ed siln\u011bj\u0161\u00ed podtlak. D\u00edky tomu turbosoustroj\u00ed dosahuje vy\u0161\u0161\u00edho v\u00fdkonu. \u201eVy\u0161\u0161\u00ed efekt pozorujeme obvykle v Temel\u00edn\u011b. Tady m\u00e1me sou\u010dasn\u00fd nomin\u00e1ln\u00ed v\u00fdkon ka\u017ed\u00e9ho bloku 1086 MWe, v zim\u011b ale dosahujeme i v\u00edce ne\u017e 1100 MWe. V Dukovanech je efekt m\u00edrn\u011b ni\u017e\u0161\u00ed, ale i tady ni\u017e\u0161\u00edch teplot samoz\u0159ejm\u011b vyu\u017e\u00edv\u00e1me,\u201c<\/em> dopl\u0148uje \u010dlen p\u0159edstavenstva a \u0159editel divize jadern\u00e1 energetika Skupiny \u010cEZ Bohdan Zronek.<\/p>\n

V Temel\u00edn\u011b z\u00e1rove\u0148 m\u00edrn\u011b vzrostl odb\u011br tepla pro horkovod, kter\u00fd vyt\u00e1p\u00ed \u010d\u00e1st \u010cesk\u00fdch Bud\u011bjovic. S nastupuj\u00edc\u00edmi mrazy zvedli energetici teplotu dod\u00e1van\u00e9 vody ze 116 \u00b0C na 120 \u00b0C. V \u00fater\u00fd r\u00e1no, kdy teploty dosahovaly minus 12 stup\u0148\u016f Celsia, dod\u00e1val do krajsk\u00e9ho m\u011bsta 140 GJ tepla hodinov\u011b. \u201eNaprosto se potvrzuje n\u00e1\u0161 p\u0159edpoklad, \u017ee dod\u00e1vky tepla ovlivn\u00ed v\u00fdrobu elekt\u0159iny jen velmi m\u00e1lo. Rozd\u00edl v dod\u00e1vk\u00e1ch elekt\u0159iny mezi bloky \u010din\u00ed jen jednotky megawatt\u016f, co\u017e je skv\u011bl\u00fd v\u00fdsledek,\u201c<\/em> dod\u00e1v\u00e1 Bohdan Zronek.<\/p>\n

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Marek SVIT\u00c1K, \u010cEZ<\/strong><\/p>\n

Foto: archiv \u010cEZ<\/p>\n

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Jadern\u00e1 elektr\u00e1rna Temel\u00edn<\/figcaption><\/figure>\n
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