{"id":7656,"date":"2026-09-23T00:00:25","date_gmt":"2026-09-22T16:00:25","guid":{"rendered":"https:\/\/www.wonvolt.com\/?p=7656"},"modified":"2026-09-23T14:44:25","modified_gmt":"2026-09-23T06:44:25","slug":"why-parallel-low-voltage-batteries-share-current-unevenly-and-how-to-fix-it","status":"publish","type":"post","link":"https:\/\/www.wonvolt.com\/cs\/news\/why-parallel-low-voltage-batteries-share-current-unevenly-and-how-to-fix-it\/","title":{"rendered":"Pro\u010d paraleln\u00ed n\u00edzkonap\u011b\u0165ov\u00e9 baterie sd\u00edlej\u00ed proud nerovnom\u011brn\u011b a jak to opravit"},"content":{"rendered":"<p>Paraleln\u00ed n\u00edzkonap\u011b\u0165ov\u00e9 baterie rozd\u011bluj\u00ed proud nerovnom\u011brn\u011b, kdy\u017e jedna v\u011btev vykazuje men\u0161\u00ed elektrick\u00fd odpor nebo hl\u00e1s\u00ed jin\u00fd provozn\u00ed limit ne\u017e ostatn\u00ed. Baterie na dan\u00e9 v\u011btvi pracuje v\u00edce, d\u0159\u00edve dos\u00e1hne sv\u00e9ho ochrann\u00e9ho prahu a m\u016f\u017ee zp\u016fsobit, \u017ee se cel\u00e1 baterie bude jevit men\u0161\u00ed, ne\u017e je jej\u00ed vypo\u010d\u00edtan\u00e1 kapacita. \u0158e\u0161en\u00edm nen\u00ed pouh\u00e9 p\u0159id\u00e1n\u00ed dal\u0161\u00edho modulu. Pot\u0159ebujete symetrick\u00e9 vodi\u010de, vhodn\u00e9 uspo\u0159\u00e1d\u00e1n\u00ed p\u0159\u00edpojnic, odpov\u00eddaj\u00edc\u00ed stav nabit\u00ed, spolehlivou komunikaci BMS a \u0159\u00edzen\u00fd test uveden\u00ed do provozu.<\/p>\n<p>Probl\u00e9m se \u010dasto skr\u00fdv\u00e1 b\u011bhem nen\u00e1ro\u010dn\u00e9ho provozu, proto\u017ee se zd\u00e1, \u017ee ka\u017ed\u00e1 v\u011btev je v po\u0159\u00e1dku. Viditeln\u00fd je b\u011bhem dlouh\u00e9ho vyb\u00edjen\u00ed, spou\u0161t\u011bn\u00ed st\u0159\u00edda\u010de nebo vysok\u00e9ho nab\u00edjen\u00ed, kdy mal\u00e9 poklesy nap\u011bt\u00ed zp\u016fsobuj\u00ed m\u011b\u0159iteln\u00fd rozd\u00edl v proudu ve v\u011btv\u00edch. U\u017eite\u010dn\u00e1 kontrola proto porovn\u00e1v\u00e1 ka\u017ed\u00fd modul ve stejn\u00e9m okam\u017eiku, sp\u00ed\u0161e ne\u017e aby se ode\u010d\u00edtal pouze celkov\u00fd proud ve st\u0159\u00edda\u010di.<\/p>\n<h2><strong><b>Kl\u00ed\u010dov\u00e9 poznatky<\/b><\/strong><\/h2>\n<ul>\n<li>Pou\u017eijte spole\u010dnou sb\u011brnici nebo elektricky symetrick\u00e9 p\u0159ipojen\u00ed, aby ka\u017ed\u00e1 baterie m\u011bla podobnou kabelovou trasu.<\/li>\n<li>Uve\u010fte moduly do provozu v podobn\u00e9m stavu nabit\u00ed a ov\u011b\u0159te, zda m\u00e1 st\u0159\u00edda\u010d spr\u00e1vn\u00fd komunika\u010dn\u00ed profil baterie.<\/li>\n<li>Zm\u011b\u0159te proud odbo\u010dky, nap\u011bt\u00ed na svork\u00e1ch a teplotu p\u0159ipojen\u00ed pod z\u00e1t\u011b\u017e\u00ed; celkov\u00fd proud baterie m\u016f\u017ee skr\u00fdt p\u0159et\u00ed\u017een\u00fd modul.<\/li>\n<\/ul>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter wp-image-7662\" src=\"https:\/\/www.wonvolt.com\/wp-content\/uploads\/2026\/09\/Why-Parallel-Low-Voltage-Batteries-Share-Current-Unevenly-and-How-to-Fix-It.webp\" alt=\"Pro\u010d paraleln\u00ed n\u00edzkonap\u011b\u0165ov\u00e9 baterie sd\u00edlej\u00ed proud nerovnom\u011brn\u011b a jak to opravit\" width=\"595\" height=\"595\" srcset=\"https:\/\/www.wonvolt.com\/wp-content\/uploads\/2026\/09\/Why-Parallel-Low-Voltage-Batteries-Share-Current-Unevenly-and-How-to-Fix-It.webp 800w, https:\/\/www.wonvolt.com\/wp-content\/uploads\/2026\/09\/Why-Parallel-Low-Voltage-Batteries-Share-Current-Unevenly-and-How-to-Fix-It-300x300.webp 300w, https:\/\/www.wonvolt.com\/wp-content\/uploads\/2026\/09\/Why-Parallel-Low-Voltage-Batteries-Share-Current-Unevenly-and-How-to-Fix-It-150x150.webp 150w, https:\/\/www.wonvolt.com\/wp-content\/uploads\/2026\/09\/Why-Parallel-Low-Voltage-Batteries-Share-Current-Unevenly-and-How-to-Fix-It-768x768.webp 768w, https:\/\/www.wonvolt.com\/wp-content\/uploads\/2026\/09\/Why-Parallel-Low-Voltage-Batteries-Share-Current-Unevenly-and-How-to-Fix-It-12x12.webp 12w, https:\/\/www.wonvolt.com\/wp-content\/uploads\/2026\/09\/Why-Parallel-Low-Voltage-Batteries-Share-Current-Unevenly-and-How-to-Fix-It-600x600.webp 600w, https:\/\/www.wonvolt.com\/wp-content\/uploads\/2026\/09\/Why-Parallel-Low-Voltage-Batteries-Share-Current-Unevenly-and-How-to-Fix-It-100x100.webp 100w\" sizes=\"(max-width: 595px) 100vw, 595px\" \/><\/p>\n<h2><strong><b>Proud sleduje odpor, ne\u017e za\u010dne sledovat typov\u00fd \u0161t\u00edtek<\/b><\/strong><\/h2>\n<p>Paraleln\u00ed zapojen\u00ed udr\u017euje ka\u017edou baterii na stejn\u00e9m nap\u011bt\u00ed sb\u011brnice, ale neprov\u00e1d\u00ed stejn\u00fd proud v\u0161emi v\u011btvemi. Ka\u017ed\u00e1 v\u011btev obsahuje vnit\u0159n\u00ed odpor baterie, pojistku, konektor, kabel, o\u010dko, sp\u00edna\u010d a kontakt sb\u011brnice. V\u011btev s ni\u017e\u0161\u00edm celkov\u00fdm odporem dod\u00e1v\u00e1 v\u011bt\u0161\u00ed proud p\u0159i stejn\u00e9m rozd\u00edlu nap\u011bt\u00ed. Proto stejn\u00e1 \u010d\u00edsla model\u016f nezaru\u010duj\u00ed stejn\u00e9 zat\u00ed\u017een\u00ed po instalaci.<\/p>\n<p>Pokud m\u00e1 jedna v\u011btev o proudu 100 A celkov\u00fd odpor dr\u00e1hy 5 miliohm\u016f, ztr\u00e1c\u00ed 0,5 V. V\u011btev o proudu 7 miliohm\u016f ztr\u00e1c\u00ed p\u0159i stejn\u00e9m proudu 0,7 V, tak\u017ee proud se posouv\u00e1 sm\u011brem k dr\u00e1ze s ni\u017e\u0161\u00edm odporem. Toto je elektrick\u00fd p\u0159\u00edklad, nikoli tolerance v\u00fdrobku; zm\u011b\u0159te ka\u017edou dr\u00e1hu a minimalizujte rozd\u00edly, kter\u00fdm lze p\u0159edej\u00edt.<\/p>\n<h2><strong><b>\u010cty\u0159i zdroje nerovnov\u00e1hy, kter\u00e9 se objevuj\u00ed v re\u00e1ln\u00fdch instalac\u00edch<\/b><\/strong><\/h2>\n<p>Nerovnom\u011brn\u00fd proud m\u00e1 z\u0159\u00eddka jednu dramatickou p\u0159\u00ed\u010dinu. \u010cast\u011bji se s\u010d\u00edt\u00e1 n\u011bkolik mal\u00fdch asymetri\u00ed. N\u00e1sleduj\u00edc\u00ed kontroly odli\u0161uj\u00ed probl\u00e9m s zapojen\u00edm od probl\u00e9mu s nastaven\u00edm nebo stavem baterie.<\/p>\n<h3><strong><b>D\u00e9lka kabelu a topologie p\u0159ipojen\u00ed<\/b><\/strong><\/h3>\n<p>\u0158et\u011bzcov\u00e9 zapojen\u00ed poskytuje nejbli\u017e\u0161\u00ed baterii nejkrat\u0161\u00ed cestu k st\u0159\u00edda\u010di a posledn\u00ed baterii nejdel\u0161\u00ed. Stejn\u00e9 pr\u016f\u0159ezy kabel\u016f neopravuj\u00ed nestejnou d\u00e9lku trasy. Z ka\u017ed\u00e9ho modulu ve\u010fte kladn\u00e9 a z\u00e1porn\u00e9 vodi\u010de stejn\u00e9 d\u00e9lky ke spole\u010dn\u00fdm sb\u011brnic\u00edm nebo pou\u017eijte diagon\u00e1ln\u00ed zapojen\u00ed pouze v p\u0159\u00edpad\u011b, \u017ee v\u00fdrobce toto uspo\u0159\u00e1d\u00e1n\u00ed schv\u00e1l\u00ed a baterie je dostate\u010dn\u011b mal\u00e1, aby z\u016fstala symetrick\u00e1.<\/p>\n<h3><strong><b>Kontaktn\u00ed odpor na svork\u00e1ch a ochrann\u00fdch za\u0159\u00edzen\u00edch<\/b><\/strong><\/h3>\n<p>Uvoln\u011bn\u00fd kontakt pojistky, zne\u010di\u0161t\u011bn\u00fd kontakt, \u0161patn\u00e9 krimpov\u00e1n\u00ed nebo jin\u00fd dr\u017e\u00e1k pojistky p\u0159id\u00e1v\u00e1 odpor, kter\u00fd nemus\u00ed b\u00fdt v klidu viditeln\u00fd. Zkontrolujte utahovac\u00ed moment podle pokyn\u016f k sou\u010d\u00e1stce a pot\u00e9 porovnejte \u00fabytek nap\u011bt\u00ed z ka\u017ed\u00e9 svorky baterie na spole\u010dnou sb\u011brnici p\u0159i zat\u00ed\u017een\u00ed. Tepeln\u00e9 kontroly pom\u00e1haj\u00ed, ale teplota nem\u016f\u017ee nahradit elektrick\u00e9 m\u011b\u0159en\u00ed.<\/p>\n<h3><strong><b>Stav nabit\u00ed a historie modulu<\/b><\/strong><\/h3>\n<p>P\u0159ipojen\u00ed jednoho pln\u011b nabit\u00e9ho modulu vedle \u010d\u00e1ste\u010dn\u011b nabit\u00e9ho modulu m\u016f\u017ee spustit vyrovn\u00e1vac\u00ed proud p\u0159ed spu\u0161t\u011bn\u00edm st\u0159\u00edda\u010de. Moduly s r\u016fzn\u00fdm st\u00e1\u0159\u00edm, histori\u00ed cykl\u016f, teplotou nebo firmwarem mohou tak\u00e9 dos\u00e1hnout limit\u016f nab\u00edjen\u00ed a vyb\u00edjen\u00ed v r\u016fzn\u00fdch \u010dasech. Vyberte typ modulu, uve\u010fte jednotky do stavu nabit\u00ed specifikovan\u00e9ho pro uveden\u00ed do provozu a nikdy nep\u0159edpokl\u00e1dejte, \u017ee nov\u00fd modul lze bez kontroly vlo\u017eit do provozn\u00ed banky.<\/p>\n<h3><strong><b>Koordinace BMS a st\u0159\u00edda\u010d\u016f<\/b><\/strong><\/h3>\n<p>Proud se m\u016f\u017ee tak\u00e9 odchylovat, kdy\u017e st\u0159\u00edda\u010d na\u010d\u00edt\u00e1 nespr\u00e1vnou hlavn\u00ed baterii, komunika\u010dn\u00ed \u0159et\u011bzec je ne\u00fapln\u00fd nebo se limity nab\u00edjen\u00ed neaktualizuj\u00ed spr\u00e1vn\u011b. Zkontrolujte zapojen\u00ed CAN nebo RS485, zakon\u010den\u00ed, adresy za\u0159\u00edzen\u00ed, po\u0159ad\u00ed hlavn\u00ed a pod\u0159\u00edzen\u00e9 baterie a schv\u00e1len\u00fd profil baterie st\u0159\u00edda\u010de. Pokud komunikace nen\u00ed k dispozici, pou\u017eijte konzervativn\u00ed manu\u00e1ln\u00ed nastaven\u00ed dodan\u00e9 pro danou baterii, m\u00edsto abyste kop\u00edrovali hodnoty z jin\u00e9ho chemick\u00e9ho slo\u017een\u00ed nebo modelu.<\/p>\n<h2><strong><b>Co m\u011b\u0159it b\u011bhem uveden\u00ed do provozu<\/b><\/strong><\/h2>\n<p>Uveden\u00ed do provozu by m\u011blo prok\u00e1zat, \u017ee ka\u017ed\u00e1 v\u011btev p\u0159isp\u00edv\u00e1 v r\u00e1mci p\u0159ijateln\u00e9ho limitu projektu. V\u00fdrobce nebo projektant syst\u00e9mu mus\u00ed tento limit definovat, proto\u017ee z\u00e1vis\u00ed na po\u010dtu modul\u016f, p\u0159esnosti p\u0159\u00edstrojov\u00e9ho vybaven\u00ed, provozn\u00edm proudu a ovl\u00e1d\u00e1n\u00ed baterie. N\u00ed\u017ee uveden\u00e1 tabulka prom\u011bn\u00ed kontrolu v pozorovateln\u00fd d\u016fkaz.<\/p>\n<table>\n<tbody>\n<tr>\n<td width=\"198\"><strong>Kontrola<\/strong><\/td>\n<td width=\"198\"><strong>Metoda<\/strong><\/td>\n<td width=\"198\"><strong>Co nazna\u010duje abnorm\u00e1ln\u00ed v\u00fdsledek<\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"198\">Nap\u011bt\u00ed napr\u00e1zdno<\/td>\n<td width=\"198\">P\u0159ed paraleln\u00edm zapojen\u00edm zm\u011b\u0159te ka\u017ed\u00fd izolovan\u00fd modul<\/td>\n<td width=\"198\">Neshoda stavu nabit\u00ed nebo modul, kter\u00fd je t\u0159eba pro\u0161et\u0159it<\/td>\n<\/tr>\n<tr>\n<td width=\"198\">Proud v\u011btve<\/td>\n<td width=\"198\">Pou\u017e\u00edvejte slad\u011bn\u00e9 proudov\u00e9 kle\u0161t\u011b b\u011bhem stejn\u00e9ho intervalu nab\u00edjen\u00ed nebo vyb\u00edjen\u00ed<\/td>\n<td width=\"198\">Nerovnom\u011brn\u00fd odpor, limit BMS nebo stav modulu<\/td>\n<\/tr>\n<tr>\n<td width=\"198\">\u00dabytek nap\u011bt\u00ed p\u0159i zat\u00ed\u017een\u00ed<\/td>\n<td width=\"198\">Zm\u011b\u0159te kladn\u00fd a z\u00e1porn\u00fd vodi\u010d p\u00f3lu baterie v\u016f\u010di spole\u010dn\u00e9 sb\u011brnici<\/td>\n<td width=\"198\">Odpor kabelu, kabelov\u00e9ho oka, pojistky, sp\u00edna\u010de nebo p\u0159\u00edpojnice<\/td>\n<\/tr>\n<tr>\n<td width=\"198\">Teplota p\u0159ipojen\u00ed<\/td>\n<td width=\"198\">Porovn\u00e1n\u00ed srovnateln\u00fdch spoj\u016f po kontrolovan\u00e9m stabiln\u00edm zat\u00ed\u017een\u00ed<\/td>\n<td width=\"198\">Lokalizovan\u00fd odpor nebo nedostate\u010dn\u00e1 integrita spojen\u00ed<\/td>\n<\/tr>\n<tr>\n<td width=\"198\">Data syst\u00e9mu spr\u00e1vy budov (BMS)<\/td>\n<td width=\"198\">Prohl\u00ed\u017een\u00ed alarm\u016f, proudov\u00fdch limit\u016f, teplot a stavu nabit\u00ed pro ka\u017ed\u00fd modul<\/td>\n<td width=\"198\">Probl\u00e9m s komunikac\u00ed, nastaven\u00edm, teplotou nebo vyv\u00e1\u017een\u00edm bun\u011bk<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>&nbsp;<\/p>\n<h2><strong><b>P\u0159\u00edklad produktu pro modul\u00e1rn\u00ed n\u00edzkonap\u011b\u0165ovou banku<\/b><\/strong><\/h2>\n<p>Na <a href=\"https:\/\/www.wonvolt.com\/cs\/product\/5kwh-lithium-battery-low-voltage-wv51100l\/\"><strong><u>5kWh lithiov\u00e1 baterie n\u00edzk\u00e9ho nap\u011bt\u00ed WV51100L<\/u><\/strong><\/a>\u00a0Poskytuje nomin\u00e1ln\u00ed energii 5,12 kWh a vyu\u017eitelnou energii 4,096 kWh na modul p\u0159i 51,2 V. Uveden\u00e1 doporu\u010den\u00e1 rychlost nab\u00edjen\u00ed a vyb\u00edjen\u00ed je 0,5 C s doporu\u010den\u00fdm proudem 50 A a str\u00e1nka produktu umo\u017e\u0148uje a\u017e 15 jednotek paraleln\u011b. Pro syst\u00e9movou komunikaci jsou uvedena rozhran\u00ed CAN, RS485 a RS232. Tyto \u00fadaje definuj\u00ed hranice produktu, ale neodstra\u0148uj\u00ed pot\u0159ebu stejn\u00fdch kabelov\u00fdch tras, koordinovan\u00e9 ochrany nebo kontrol proudu na \u00farovni modul\u016f.<\/p>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-7660\" src=\"https:\/\/www.wonvolt.com\/wp-content\/uploads\/2026\/09\/5kWh-Lithium-Battery-Low-Voltage-WV51100L-1.webp\" alt=\"5kWh lithiov\u00e1 baterie n\u00edzk\u00e9ho nap\u011bt\u00ed WV51100L\" width=\"496\" height=\"496\" srcset=\"https:\/\/www.wonvolt.com\/wp-content\/uploads\/2026\/09\/5kWh-Lithium-Battery-Low-Voltage-WV51100L-1.webp 800w, https:\/\/www.wonvolt.com\/wp-content\/uploads\/2026\/09\/5kWh-Lithium-Battery-Low-Voltage-WV51100L-1-300x300.webp 300w, https:\/\/www.wonvolt.com\/wp-content\/uploads\/2026\/09\/5kWh-Lithium-Battery-Low-Voltage-WV51100L-1-150x150.webp 150w, https:\/\/www.wonvolt.com\/wp-content\/uploads\/2026\/09\/5kWh-Lithium-Battery-Low-Voltage-WV51100L-1-768x768.webp 768w, https:\/\/www.wonvolt.com\/wp-content\/uploads\/2026\/09\/5kWh-Lithium-Battery-Low-Voltage-WV51100L-1-12x12.webp 12w, https:\/\/www.wonvolt.com\/wp-content\/uploads\/2026\/09\/5kWh-Lithium-Battery-Low-Voltage-WV51100L-1-600x600.webp 600w, https:\/\/www.wonvolt.com\/wp-content\/uploads\/2026\/09\/5kWh-Lithium-Battery-Low-Voltage-WV51100L-1-100x100.webp 100w\" sizes=\"(max-width: 496px) 100vw, 496px\" \/><\/p>\n<p>P\u0159i uveden\u00e9 vyu\u017eiteln\u00e9 energii 4 096 kWh poskytuje deset modul\u016f 40,96 kWh p\u0159ed ztr\u00e1tami p\u0159i konverzi a provozn\u00edmi rezervami. V\u00fdpo\u010dty kapacity v\u0161ak ne\u0159\u00edkaj\u00ed nic o tom, zda jedna v\u011btev dos\u00e1hne sv\u00e9ho limitu BMS d\u0159\u00edve. Dodr\u017eujte n\u00e1vrh v r\u00e1mci proudov\u00fdch, teplotn\u00edch, kryt\u00fdch a st\u0159\u00edda\u010dov\u00fdch podm\u00ednek produktu a zajist\u011bte schv\u00e1len\u00ed p\u0159esn\u00e9ho po\u010dtu paraleln\u00edch zapojen\u00ed a uspo\u0159\u00e1d\u00e1n\u00ed komunikace.<\/p>\n<h2><strong><b>Dv\u011b chyby v ter\u00e9nu, kter\u00e9 zkracuj\u00ed u\u017eite\u010dnou kapacitu banky<\/b><\/strong><\/h2>\n<p>Prvn\u00ed chybou je odveden\u00ed jednoho kabelu z prvn\u00edho modulu do st\u0159\u00edda\u010de a n\u00e1sledn\u00e9 p\u0159emost\u011bn\u00ed ka\u017ed\u00e9ho dal\u0161\u00edho modulu pod\u00e9l racku. Prvn\u00ed v\u011btev opakovan\u011b nese v\u011bt\u0161\u00ed proud, zat\u00edmco posledn\u00ed p\u0159isp\u00edv\u00e1 men\u0161\u00edm. Celkov\u00e1 kapacita se m\u016f\u017ee na pap\u00ed\u0159e jevit spr\u00e1vn\u00e1, ale prvn\u00ed BMS m\u016f\u017ee zastavit vyb\u00edjen\u00ed d\u0159\u00edve, ne\u017e jsou zb\u00fdvaj\u00edc\u00ed moduly pln\u011b vyu\u017eity. Spole\u010dn\u00e1 sb\u011brnice s vyv\u00e1\u017een\u00fdmi vodi\u010di v\u011btv\u00ed je l\u00e9pe ovladateln\u00fdm uspo\u0159\u00e1d\u00e1n\u00edm.<\/p>\n<p>Druhou chybou je uveden\u00ed do provozu pouze p\u0159i n\u00edzk\u00e9m proudu. Baterie se m\u016f\u017ee jevit jako vyv\u00e1\u017een\u00e1, kdy\u017e dod\u00e1v\u00e1 n\u011bkolik amp\u00e9r\u016f, a p\u0159i stoupaj\u00edc\u00edm proudu se m\u016f\u017ee prudce odd\u011blit. Otestujte \u0159\u00edzen\u00fd krok nab\u00edjen\u00ed a vyb\u00edjen\u00ed, kter\u00fd je vhodn\u00fd pro danou instalaci, zaznamen\u00e1vejte ka\u017edou v\u011btev ve stejn\u00fdch \u010dasov\u00fdch raz\u00edtk\u00e1ch a zastavte nab\u00edjen\u00ed, pokud se konektor abnorm\u00e1ln\u011b zah\u0159eje nebo modul ohl\u00e1s\u00ed ochrannou ud\u00e1lost.<\/p>\n<h2><strong><b>Jak opravit existuj\u00edc\u00ed nerovnov\u00e1hu<\/b><\/strong><\/h2>\n<p>Za\u010dn\u011bte s d\u016fkazy, ne s v\u00fdm\u011bnou kabel\u016f. Ulo\u017ete si protokoly BMS, zm\u011b\u0159te proud ve v\u011btv\u00edch a zaznamenejte \u00fabytky nap\u011bt\u00ed p\u0159i zat\u00ed\u017een\u00ed na obou vodi\u010d\u00edch. P\u0159ed op\u011btovn\u00fdm uta\u017een\u00edm nebo v\u00fdm\u011bnou hardwaru izolujte baterii podle schv\u00e1len\u00e9ho bezpe\u010dnostn\u00edho postupu. Pot\u00e9 postupn\u011b opravte jednu p\u0159\u00ed\u010dinu a opakujte stejn\u00fd z\u00e1t\u011b\u017eov\u00fd test, aby v\u00fdsledek z\u016fstal srovnateln\u00fd.<\/p>\n<ul>\n<li>Nahra\u010fte nestejn\u00e9 nebo poddimenzovan\u00e9 odbo\u010dn\u00e9 kabely odpov\u00eddaj\u00edc\u00edmi vodi\u010di a trasami.<\/li>\n<li>P\u0159esu\u0148te moduly do spole\u010dn\u00e9ho uspo\u0159\u00e1d\u00e1n\u00ed p\u0159\u00edpojnic s ochranou jednotliv\u00fdch v\u011btv\u00ed.<\/li>\n<li>Spr\u00e1vn\u00e9 adresy BMS, ukon\u010den\u00ed komunikace, v\u00fdb\u011br masteru a profil st\u0159\u00edda\u010de.<\/li>\n<li>P\u0159ed op\u011btovn\u00fdm p\u0159ipojen\u00edm baterie vyrovnejte stav nabit\u00ed modulu schv\u00e1len\u00fdm postupem.<\/li>\n<li>Prozkoumejte modul, kter\u00fd z\u016fst\u00e1v\u00e1 trvale vysok\u00fd nebo n\u00edzk\u00fd i po vyv\u00e1\u017een\u00ed extern\u00edch cest.<\/li>\n<\/ul>\n<p>Hloubka vybit\u00ed tak\u00e9 m\u011bn\u00ed energii dostupnou z banky. <strong><a href=\"https:\/\/www.wonvolt.com\/cs\/news\/how-does-wonvolt-master-the-80-dod-rule-to-deliver-unbeatable-battery-roi\/\"><u>Diskuse o 80% hloubce vybit\u00ed<\/u><\/a><\/strong>\u00a0je u\u017eite\u010dn\u00fdm pomocn\u00edkem p\u0159i nastavov\u00e1n\u00ed provozn\u00ed rezervy, ale sd\u00edlen\u00ed proudu je st\u00e1le nutn\u00e9 potvrdit na \u00farovni modulu.<\/p>\n<h2><strong><b>Ur\u010dete banku jako elektrick\u00fd syst\u00e9m<\/b><\/strong><\/h2>\n<p>N\u00e1kup paraleln\u00ed baterie by m\u011bl definovat v\u00edce ne\u017e jen po\u010det modul\u016f. Zahr\u0148te uspo\u0159\u00e1d\u00e1n\u00ed p\u0159\u00edpojnic, d\u00e9lku a pr\u016f\u0159ez kabelu, ochranu v\u011btv\u00ed, model st\u0159\u00edda\u010de, komunika\u010dn\u00ed protokol, paraleln\u00ed adresov\u00e1n\u00ed, uv\u00e1d\u011bc\u00ed proud a zp\u016fsob p\u0159ej\u00edmky.<strong> <a href=\"https:\/\/www.wonvolt.com\/cs\/\"><u>WonVoltu<\/u><\/a><\/strong>\u00a0uv\u00e1d\u00ed n\u00edzkonap\u011b\u0165ov\u00e9 baterie a kompletn\u00ed energetick\u00e1 \u0159e\u0161en\u00ed, zat\u00edmco jeho technick\u00e1 podpora m\u016f\u017ee p\u0159ed instalac\u00ed zkontrolovat kombinaci za\u0159\u00edzen\u00ed.<\/p>\n<p>V p\u0159\u00edpad\u011b nov\u00e9 nebo opravn\u00e9 instalace ode\u0161lete sch\u00e9ma zapojen\u00ed jednoho vodi\u010de, o\u010dek\u00e1van\u00e9 trval\u00e9 a n\u00e1razov\u00e9 zat\u00ed\u017een\u00ed, po\u010det modul\u016f, kabel\u00e1\u017e, okoln\u00ed podm\u00ednky a model st\u0159\u00edda\u010de prost\u0159ednictv\u00edm<strong> <a href=\"https:\/\/www.wonvolt.com\/cs\/about-wonvolt\/contact-us\/\"><u>technick\u00fd kontaktn\u00ed kan\u00e1l<\/u><\/a><\/strong>Tato informace je mnohem u\u017eite\u010dn\u011bj\u0161\u00ed ne\u017e se pt\u00e1t pouze na to, zda lze baterie zapojit paraleln\u011b.<\/p>\n<h2><strong><b>\u010cast\u00e9 dotazy<\/b><\/strong><\/h2>\n<h3><strong><b>Mus\u00ed paraleln\u00ed baterie pou\u017e\u00edvat p\u0159esn\u011b stejnou d\u00e9lku kabelu?<\/b><\/strong><\/h3>\n<p>C\u00edlem je podobn\u00fd elektrick\u00fd odpor na ka\u017ed\u00e9 v\u011btvi. Stejn\u00fd materi\u00e1l vodi\u010de, pr\u016f\u0159ez, d\u00e9lka, kvalita zakon\u010den\u00ed a ochrann\u00fd hardware usnad\u0148uj\u00ed dosa\u017een\u00ed tohoto v\u00fdsledku. Dodr\u017eujte schv\u00e1len\u00e9 rozvr\u017een\u00ed baterie a syst\u00e9mu od projektanta.<\/p>\n<h3><strong><b>Pro\u010d se jedna baterie vybije d\u0159\u00edve ne\u017e ostatn\u00ed?<\/b><\/strong><\/h3>\n<p>M\u016f\u017ee dod\u00e1vat v\u011bt\u0161\u00ed proud, proto\u017ee m\u00e1 ni\u017e\u0161\u00ed odpor v\u011btve, nebo jeho BMS m\u016f\u017ee jinak vypo\u010d\u00edt\u00e1vat stav nabit\u00ed. Porovnejte sou\u010dasn\u00fd proud v\u011btve, \u00fabytek nap\u011bt\u00ed p\u0159i zat\u00ed\u017een\u00ed, teploty, alarmy a konfiguraci.<\/p>\n<h3><strong><b>Lze paraleln\u011b zapojit baterie s r\u016fznou kapacitou?<\/b><\/strong><\/h3>\n<p>Nep\u0159edpokl\u00e1dejte, \u017ee to dok\u00e1\u017eou. R\u016fzn\u00e1 kapacita, chemick\u00e9 slo\u017een\u00ed, nap\u011b\u0165ov\u00e9 rozmez\u00ed, firmware, st\u00e1\u0159\u00ed a limity BMS mohou v\u00e9st k nekontrolovan\u00e9mu sd\u00edlen\u00ed proudu. Pou\u017e\u00edvejte pouze kombinace schv\u00e1len\u00e9 pro dan\u00fd produkt a st\u0159\u00edda\u010d.<\/p>\n<h2><strong><b>\u017d\u00c1DN\u00dd<\/b><\/strong><\/h2>\n<p>T: Pro\u010d paraleln\u00ed n\u00edzkonap\u011b\u0165ov\u00e9 baterie sd\u00edlej\u00ed proud nerovnom\u011brn\u011b a jak to opravit<\/p>\n<p>D: Diagnostikovat nerovnom\u011brn\u00e9 rozd\u011blen\u00ed proudu v paraleln\u00edch n\u00edzkonap\u011b\u0165ov\u00fdch bateri\u00edch s kontrolami kabel\u016f, p\u0159\u00edpojnic, BMS, poklesu nap\u011bt\u00ed a uveden\u00ed do provozu.<\/p>\n<p>K: paraleln\u00ed sd\u00edlen\u00ed proudu z bateri\u00ed, n\u00edzkonap\u011b\u0165ov\u00e1 bateriov\u00e1 banka, zapojen\u00ed bateriov\u00fdch p\u0159\u00edpojnic<\/p>","protected":false},"excerpt":{"rendered":"<p>Parallel low voltage batteries share current unevenly when one branch presents less electrical resistance or reports a different operating limit than the others. The battery on that branch works harder, reaches its protection threshold sooner, and can make the whole bank appear smaller than its calculated capacity. The remedy is not simply adding another module. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":7662,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-7656","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.wonvolt.com\/cs\/wp-json\/wp\/v2\/posts\/7656","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.wonvolt.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.wonvolt.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.wonvolt.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.wonvolt.com\/cs\/wp-json\/wp\/v2\/comments?post=7656"}],"version-history":[{"count":4,"href":"https:\/\/www.wonvolt.com\/cs\/wp-json\/wp\/v2\/posts\/7656\/revisions"}],"predecessor-version":[{"id":7664,"href":"https:\/\/www.wonvolt.com\/cs\/wp-json\/wp\/v2\/posts\/7656\/revisions\/7664"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.wonvolt.com\/cs\/wp-json\/wp\/v2\/media\/7662"}],"wp:attachment":[{"href":"https:\/\/www.wonvolt.com\/cs\/wp-json\/wp\/v2\/media?parent=7656"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.wonvolt.com\/cs\/wp-json\/wp\/v2\/categories?post=7656"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.wonvolt.com\/cs\/wp-json\/wp\/v2\/tags?post=7656"}],"curies":[{"name":"WP","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}