{"id":54492,"date":"2019-12-27T00:00:00","date_gmt":"2019-12-26T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/modelirovanie-raboty-realnoj-tets-dlya-optimizatsii-rezhimov-par-i-matematika"},"modified":"2020-02-18T14:02:30","modified_gmt":"2020-02-18T11:02:30","slug":"modelirovanie-raboty-realnoj-tets-dlya-optimizatsii-rezhimov-par-i-matematika","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/administrirovanie\/modelirovanie-raboty-realnoj-tets-dlya-optimizatsii-rezhimov-par-i-matematika","title":{"rendered":"Modelov\u00e1n\u00ed provozu re\u00e1ln\u00e9 tepl\u00e1rny pro optimalizaci re\u017eim\u016f: p\u00e1ra a matematika","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" alt=\"Modelov\u00e1n\u00ed provozu re\u00e1ln\u00e9 tepl\u00e1rny pro optimalizaci re\u017eim\u016f: p\u00e1ra a matematika\" src=\"\/wp-content\/uploads\/2019\/12\/7a59d501db5873273992763fd5a440a1.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nExistuje velk\u00e1 tepeln\u00e1 elektr\u00e1rna. Funguje jako obvykle: spaluje plyn, vyr\u00e1b\u00ed teplo pro vyt\u00e1p\u011bn\u00ed dom\u016f a elekt\u0159inu pro ve\u0159ejnou s\u00ed\u0165. Hlavn\u00edm \u00fakolem je vyt\u00e1p\u011bn\u00ed. Druh\u00fdm je prodat ve\u0161kerou vyrobenou elekt\u0159inu na velkoobchodn\u00edm trhu. N\u011bkdy, kdy\u017e je venku mr\u00e1z a jasn\u00e1 obloha, se objevuje sn\u00edh, ale to je vedlej\u0161\u00ed efekt \u010dinnosti chladic\u00edch v\u011b\u017e\u00ed.<\/p>\n<p>Pr\u016fm\u011brn\u00e1 tepeln\u00e1 elektr\u00e1rna se skl\u00e1d\u00e1 z des\u00edtek turb\u00edn a kotl\u016f. Pokud jsou p\u0159esn\u011b zn\u00e1my pot\u0159ebn\u00e9 objemy v\u00fdroby elekt\u0159iny a tepla, \u00faloha spo\u010d\u00edv\u00e1 ve minimalizaci n\u00e1klad\u016f na palivo. V tomto p\u0159\u00edpad\u011b se v\u00fdpo\u010det soust\u0159ed\u00ed na v\u00fdb\u011br slo\u017een\u00ed a procenta zat\u00ed\u017een\u00ed turb\u00edn a kotl\u016f, aby se dos\u00e1hlo co nejvy\u0161\u0161\u00ed \u00fa\u010dinnosti provozu za\u0159\u00edzen\u00ed. \u00da\u010dinnost turb\u00edn a kotl\u016f siln\u011b z\u00e1vis\u00ed na typu za\u0159\u00edzen\u00ed, dob\u011b provozu bez opravy, provozn\u00edm re\u017eimu a mnoha dal\u0161\u00edch faktorech. Existuje tak\u00e9 jin\u00e1 \u00faloha, kdy je t\u0159eba p\u0159i zn\u00e1m\u00fdch cen\u00e1ch elekt\u0159iny a objemech tepla rozhodnout, kolik elekt\u0159iny vyrobit a prodat, aby se dos\u00e1hlo maxim\u00e1ln\u00edho zisku na velkoobchodn\u00edm trhu. V takov\u00e9m p\u0159\u00edpad\u011b je faktorem optimalizace zisk a \u00fa\u010dinnost za\u0159\u00edzen\u00ed, co\u017e m\u00e1 mnohem men\u0161\u00ed v\u00fdznam. V\u00fdsledkem m\u016f\u017ee b\u00fdt re\u017eim, kdy za\u0159\u00edzen\u00ed pracuje absolutn\u011b neefektivn\u011b, ale ve\u0161ker\u00e9 vyroben\u00e9 mno\u017estv\u00ed elekt\u0159iny lze prodat s maxim\u00e1ln\u00ed mar\u017e\u00ed. <\/p>\n<p>Teoreticky je to v\u0161echno d\u00e1vno jasn\u00e9 a kr\u00e1sn\u011b to zn\u00ed. Probl\u00e9m je, jak to ud\u011blat v praxi. Zah\u00e1jili jsme simula\u010dn\u00ed modelov\u00e1n\u00ed pr\u00e1ce ka\u017ed\u00e9ho za\u0159\u00edzen\u00ed a cel\u00e9 stanice jako celku. P\u0159i\u0161li jsme do tepeln\u00e9 elektr\u00e1rny a za\u010dali sb\u00edrat parametry v\u0161ech uzl\u016f, m\u011b\u0159\u00edc jejich skute\u010dn\u00e9 charakteristiky a hodnot\u00edc\u00ed jejich \u010dinnost v r\u016fzn\u00fdch re\u017eimech. Na jejich z\u00e1klad\u011b jsme vytv\u00e1\u0159eli p\u0159esn\u00e9 modely pro simulaci provozu ka\u017ed\u00e9ho vybaven\u00ed a pou\u017e\u00edvali je pro optimaliza\u010dn\u00ed v\u00fdpo\u010dty. P\u0159edb\u00edh\u00e1m dobu, ale \u0159eknu, \u017ee jsme z\u00edskali p\u0159ibli\u017en\u011b 4 % skute\u010dn\u00e9 efektivity jen d\u00edky matematice.<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<p>Poda\u0159ilo se. Ale ne\u017e pop\u00ed\u0161u na\u0161e \u0159e\u0161en\u00ed, \u0159eknu, jak tepeln\u00e1 elektr\u00e1rna funguje z pohledu logiky rozhodov\u00e1n\u00ed. <\/p>\n<h3>Z\u00e1kladn\u00ed v\u011bci<\/h3>\n<p>\nHlavn\u00edmi prvky elektr\u00e1rny jsou kotle a turb\u00edny. Turb\u00edny se poh\u00e1n\u011bj\u00ed p\u00e1rou vysok\u00e9ho tlaku, kter\u00e1 ot\u00e1\u010d\u00ed elektrick\u00fdmi gener\u00e1tory, je\u017e vyr\u00e1b\u011bj\u00ed elektrickou energii. Zbytky energie p\u00e1ry se vyu\u017e\u00edvaj\u00ed na vyt\u00e1p\u011bn\u00ed a oh\u0159ev vody. Kotle jsou m\u00edsta, kde se vytv\u00e1\u0159\u00ed p\u00e1ra. Oh\u0159ev kotle a rozb\u011bh parn\u00ed turb\u00edny trv\u00e1 velmi dlouho (hodiny), co\u017e p\u0159edstavuje p\u0159\u00edm\u00e9 ztr\u00e1ty paliva. To sam\u00e9 plat\u00ed pro zm\u011bny zat\u00ed\u017een\u00ed. Je t\u0159eba tyto v\u011bci pl\u00e1novat p\u0159edem. <\/p>\n<p>Za\u0159\u00edzen\u00ed tepl\u00e1rny m\u00e1 technick\u00e9 minimum, kter\u00e9 zahrnuje minim\u00e1ln\u00ed, ale z\u00e1rove\u0148 stabiln\u00ed re\u017eim provozu, kter\u00fd zaji\u0161\u0165uje dostate\u010dn\u00e9 mno\u017estv\u00ed tepla pro dom\u00e1cnosti a pr\u016fmyslov\u00e9 spot\u0159ebitele. Obvykle pot\u0159ebn\u00e9 mno\u017estv\u00ed tepla p\u0159\u00edmo z\u00e1vis\u00ed na po\u010das\u00ed (teplot\u011b vzduchu). <\/p>\n<p>Ka\u017ed\u00fd agreg\u00e1t m\u00e1 k\u0159ivku \u00fa\u010dinnosti a bod maxim\u00e1ln\u00ed efektivity: p\u0159i dan\u00e9m zat\u00ed\u017een\u00ed dan\u00fd kotel a dan\u00e1 turb\u00edna poskytuj\u00ed nejlevn\u011bj\u0161\u00ed elektrickou energii. Levnou \u2014 jak ve smyslu s minim\u00e1ln\u00ed specifickou spot\u0159ebou paliva. <\/p>\n<p>V\u011bt\u0161ina tepl\u00e1ren v Rusku m\u00e1 paraleln\u00ed vazby, kdy v\u0161echny kotle pracuj\u00ed na jeden kolektor p\u00e1ry a v\u0161echny turb\u00edny tak\u00e9 \u010derpaj\u00ed z jednoho kolektoru. To zvy\u0161uje flexibilitu p\u0159i zat\u011b\u017eov\u00e1n\u00ed za\u0159\u00edzen\u00ed, ale zna\u010dn\u011b komplikuje v\u00fdpo\u010dty. N\u011bkdy se st\u00e1v\u00e1, \u017ee za\u0159\u00edzen\u00ed stanice je rozd\u011bleno na \u010d\u00e1sti, kter\u00e9 pracuj\u00ed na r\u016fzn\u00fdch kolektorech s r\u016fzn\u00fdm tlakem p\u00e1ry. A pokud p\u0159id\u00e1me n\u00e1klady na vnit\u0159n\u00ed pot\u0159eby \u2014 provoz \u010derpadel, ventil\u00e1tor\u016f, chladic\u00edch v\u011b\u017e\u00ed a, co si budeme nalh\u00e1vat, saun p\u0159\u00edmo za plotem tepl\u00e1rny \u2014 tak tady u\u017e si \u010dlov\u011bk zlom\u00ed nohu.<\/p>\n<p>Vlastnosti v\u0161ech za\u0159\u00edzen\u00ed jsou neline\u00e1rn\u00ed. Ka\u017ed\u00fd agreg\u00e1t m\u00e1 k\u0159ivku se z\u00f3nami, kde je \u00fa\u010dinnost vy\u0161\u0161\u00ed a ni\u017e\u0161\u00ed. To z\u00e1vis\u00ed na zat\u00ed\u017een\u00ed: p\u0159i 70 % bude \u00fa\u010dinnost jedna, p\u0159i 30 % \u2014 jin\u00e1. <\/p>\n<p>Za\u0159\u00edzen\u00ed se li\u0161\u00ed charakteristikami. Existuj\u00ed nov\u00e9 a star\u00e9 turb\u00edny a kotle, existuj\u00ed agreg\u00e1ty r\u016fzn\u00fdch konstrukc\u00ed. Spr\u00e1vn\u00fdm v\u00fdb\u011brem za\u0159\u00edzen\u00ed a jeho optim\u00e1ln\u00edm zat\u00ed\u017een\u00edm v bodech maxim\u00e1ln\u00ed \u00fa\u010dinnosti lze sni\u017eovat spot\u0159ebu paliva, co\u017e vede k \u00faspor\u00e1m n\u00e1klad\u016f nebo k vy\u0161\u0161\u00ed mar\u017ei. <\/p>\n<p><img decoding=\"async\" alt=\"Modelov\u00e1n\u00ed provozu re\u00e1ln\u00e9 tepl\u00e1rny pro optimalizaci re\u017eim\u016f: p\u00e1ra a matematika\" src=\"\/wp-content\/uploads\/2019\/12\/ed49d12405ac38715c94bf3f02d74b25.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<\/p>\n<h3>Jak tepl\u00e1rna v\u00ed, kolik energie m\u00e1 vyrobit?<\/h3>\n<p>\nPl\u00e1nov\u00e1n\u00ed prob\u00edh\u00e1 dop\u0159edu na t\u0159i dny: b\u011bhem t\u0159\u00ed dn\u016f se stanou zn\u00e1m\u00e9 pl\u00e1novan\u00e9 slo\u017een\u00ed za\u0159\u00edzen\u00ed. To znamen\u00e1 turb\u00edny a kotle, kter\u00e9 budou zapnuty. \u0158ekn\u011bme, \u017ee v\u00edme, \u017ee dnes bude pracovat p\u011bt kotl\u016f a deset turb\u00edn. Nem\u016f\u017eeme zap\u00ednat jin\u00e9 za\u0159\u00edzen\u00ed ani vyp\u00ednat to pl\u00e1novan\u00e9, ale m\u016f\u017eeme m\u011bnit zat\u00ed\u017een\u00ed ka\u017ed\u00e9ho kotle od minima do maxima a u turb\u00edn zvy\u0161ovat nebo sni\u017eovat v\u00fdkon. P\u0159echod od maxima k minimu trv\u00e1 od 15 do 30 minut v z\u00e1vislosti na jednotce za\u0159\u00edzen\u00ed. \u00dakol je zde jednoduch\u00fd: vybrat optim\u00e1ln\u00ed re\u017eimy a udr\u017eovat je s ohledem na operativn\u00ed korekce. <\/p>\n<p><img decoding=\"async\" alt=\"Modelov\u00e1n\u00ed provozu re\u00e1ln\u00e9 tepl\u00e1rny pro optimalizaci re\u017eim\u016f: p\u00e1ra a matematika\" src=\"\/wp-content\/uploads\/2019\/12\/6992c308cf3ff271719d7fc567fe0d89.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<b>Odkud poch\u00e1z\u00ed toto slo\u017een\u00ed za\u0159\u00edzen\u00ed?<\/b> Ur\u010dilo se na z\u00e1klad\u011b v\u00fdsledk\u016f obchodov\u00e1n\u00ed na velkoobchodn\u00edm trhu. Existuje trh v\u00fdkonu a elekt\u0159iny. Na trhu v\u00fdkonu v\u00fdrobci pod\u00e1vaj\u00ed \u017e\u00e1dost: \u201eM\u00e1m takov\u00e9 za\u0159\u00edzen\u00ed, zde jsou minim\u00e1ln\u00ed a maxim\u00e1ln\u00ed v\u00fdkony s ohledem na pl\u00e1novan\u00e9 odst\u00e1vky. M\u016f\u017eeme poskytnout 150 MW za tuto cenu, 200 MW \u2014 za tuto cenu a 300 MW \u2014 za tuto cenu.\u201c To jsou dlouhodob\u00e9 \u017e\u00e1dosti. Na druh\u00e9 stran\u011b, velc\u00ed spot\u0159ebitel\u00e9 tak\u00e9 pod\u00e1vaj\u00ed \u017e\u00e1dosti: \u201ePot\u0159ebujeme tolik energie.\u201c Konkr\u00e9tn\u00ed ceny se ur\u010duj\u00ed v okam\u017eiku, kdy se p\u0159ekr\u00fdv\u00e1, co v\u00fdrobci energie mohou nab\u00eddnout, a co spot\u0159ebitel\u00e9 cht\u011bj\u00ed vz\u00edt. Tyto v\u00fdkony se ur\u010duj\u00ed ka\u017edou hodinu.<\/p>\n<p><img decoding=\"async\" alt=\"Modelov\u00e1n\u00ed provozu re\u00e1ln\u00e9 tepl\u00e1rny pro optimalizaci re\u017eim\u016f: p\u00e1ra a matematika\" src=\"\/wp-content\/uploads\/2019\/12\/8cb714d1847462c0688ea0c28d0fb2b2.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n <br \/>\nObvykle T\u010cE nese p\u0159ibli\u017en\u011b stejnou z\u00e1t\u011b\u017e po cel\u00e9 obdob\u00ed: v zim\u011b je prioritn\u00ed produkt \u2014 teplo, a v l\u00e9t\u011b \u2014 elekt\u0159ina. Siln\u00e9 odchylky jsou v\u011bt\u0161inou spojeny s n\u011bjak\u00fdmi hav\u00e1riemi na samotn\u00e9 stanici nebo na p\u0159ilehl\u00fdch elektr\u00e1rn\u00e1ch ve stejn\u00e9 cenov\u00e9 z\u00f3n\u011b velkoobchodn\u00edho trhu. Ale v\u017edy existuj\u00ed kol\u00eds\u00e1n\u00ed, kter\u00e1 siln\u011b ovliv\u0148uj\u00ed ekonomickou efektivitu provozu stanice. Pot\u0159ebn\u00fd v\u00fdkon lze z\u00edskat t\u0159emi kotli s zat\u00ed\u017een\u00edm 50 % nebo dv\u011bma s zat\u00ed\u017een\u00edm 75 % a sledovat, co je v tomto ohledu efektivn\u011bj\u0161\u00ed. <\/p>\n<p>Mar\u017eovost z\u00e1vis\u00ed na cen\u00e1ch na trhu a na n\u00e1kladech na v\u00fdrobu elektrick\u00e9 energie. Na trhu mohou ceny dos\u00e1hnout takov\u00e9 \u00farovn\u011b, \u017ee je v\u00fdhodn\u00e9 sp\u00e1lit palivo, ale dob\u0159e prodat elekt\u0159inu. M\u016f\u017ee se tak\u00e9 st\u00e1t, \u017ee v danou hodinu bude nutn\u00e9 p\u0159ej\u00edt na technick\u00e9 minimum a sn\u00ed\u017eit ztr\u00e1ty. Tak\u00e9 je t\u0159eba si pamatovat na z\u00e1soby a n\u00e1klady na palivo: ten sam\u00fd zemn\u00ed plyn je obvykle limitov\u00e1n, a nadlimitn\u00ed plyn je v\u00fdrazn\u011b dra\u017e\u0161\u00ed, nemluv\u011b o topn\u00e9m oleji. To v\u0161e vy\u017eaduje p\u0159esn\u00e9 matematick\u00e9 modely, aby bylo mo\u017en\u00e9 pochopit, jak\u00e9 nab\u00eddky pod\u00e1vat a jak reagovat na m\u011bn\u00edc\u00ed se okolnosti. <\/p>\n<h3>Jak se to dalo d\u011blat p\u0159ed na\u0161\u00edm p\u0159\u00edchodem<\/h3>\n<p>\nPrakticky na pap\u00ed\u0159e na z\u00e1klad\u011b nep\u0159\u00edli\u0161 p\u0159esn\u00fdch technick\u00fdch charakteristik za\u0159\u00edzen\u00ed, kter\u00e9 se hodn\u011b li\u0161\u00ed od skute\u010dnosti. Hned po zkou\u0161k\u00e1ch za\u0159\u00edzen\u00ed bude v nejlep\u0161\u00edm p\u0159\u00edpad\u011b rozd\u00edl plus m\u00ednus 2 % od skute\u010dnosti, a po roce u\u017e plus m\u00ednus 7-8 %. Zkou\u0161ky se prov\u00e1d\u011bj\u00ed jednou za p\u011bt let, \u010dasto dokonce m\u00e9n\u011b.<\/p>\n<p>Dal\u0161\u00ed v\u011bc je, \u017ee v\u0161echny v\u00fdpo\u010dty se d\u011blaj\u00ed v podm\u00ednkov\u00e9m palivu. V SSSR byla p\u0159ijata sch\u00e9ma, kdy bylo po\u010d\u00edt\u00e1no s ur\u010dit\u00fdm podm\u00ednkov\u00fdm palivem pro srovn\u00e1n\u00ed r\u016fzn\u00fdch stanic na topn\u00e9m oleji, uhl\u00ed, plynu, jadern\u00e9 energii a tak d\u00e1le. Bylo t\u0159eba pochopit \u00fa\u010dinnost ka\u017ed\u00e9ho gener\u00e1toru v 'papou\u0161c\u00edch', a podm\u00ednkov\u00e9 palivo je t\u00edmto papou\u0161kem. Ur\u010duje se na z\u00e1klad\u011b kalori\u010dnosti paliva: jedna tona podm\u00ednkov\u00e9ho paliva je p\u0159ibli\u017en\u011b rovna jedn\u00e9 ton\u011b \u010dern\u00e9ho uhl\u00ed. Existuj\u00ed tabulky p\u0159episu pro r\u016fzn\u00e9 druhy paliv. Nap\u0159\u00edklad u hn\u011bd\u00e9ho uhl\u00ed jsou ukazatele t\u00e9m\u011b\u0159 dvakr\u00e1t hor\u0161\u00ed. Ale kalori\u010dnost nesouvis\u00ed s rubly. Je to jako benz\u00edn a nafta: nen\u00ed fakt, \u017ee pokud nafta stoj\u00ed 35 rubl\u016f a 92. benz\u00edn 32 rubl\u016f, bude nafta \u00fa\u010dinn\u011bj\u0161\u00ed z hlediska kalori\u010dnosti. <\/p>\n<p>T\u0159et\u00ed faktor \u2014 slo\u017eitost v\u00fdpo\u010dt\u016f. Podle zku\u0161enosti zam\u011bstnance se spo\u010d\u00edtaj\u00ed dva-t\u0159i varianty a \u010dast\u011bji se vyb\u00edr\u00e1 nejlep\u0161\u00ed re\u017eim z historie p\u0159edchoz\u00edch obdob\u00ed pro podobn\u00e9 z\u00e1t\u011b\u017ee a pov\u011btrnostn\u00ed podm\u00ednky. Samoz\u0159ejm\u011b, \u017ee zam\u011bstnanci v\u011b\u0159\u00ed, \u017ee vyb\u00edraj\u00ed nejoptim\u00e1ln\u011bj\u0161\u00ed re\u017eimy, a domn\u00edvaj\u00ed se, \u017ee \u017e\u00e1dn\u00fd matematick\u00fd model je nikdy nep\u0159ekon\u00e1. <\/p>\n<p>P\u0159ich\u00e1z\u00edme. Abychom vy\u0159e\u0161ili \u00fakol, p\u0159ipravujeme digit\u00e1ln\u00ed dvojn\u00edk \u2013 simula\u010dn\u00ed model stanice. To znamen\u00e1, \u017ee pomoc\u00ed speci\u00e1ln\u00edch p\u0159\u00edstup\u016f simulujeme v\u0161echny technologick\u00e9 procesy pro ka\u017ed\u00fd kus za\u0159\u00edzen\u00ed, vyrovn\u00e1v\u00e1me parovodn\u00ed a energetick\u00e9 bilance a z\u00edsk\u00e1v\u00e1me p\u0159esn\u00fd model fungov\u00e1n\u00ed tepl\u00e1rny. <\/p>\n<p>K vytvo\u0159en\u00ed modelu pou\u017e\u00edv\u00e1me: <\/p>\n<ul>\n<li>Konstrokci a pasek charakteristik za\u0159\u00edzen\u00ed. <\/li>\n<li>Charakteristiky na z\u00e1klad\u011b v\u00fdsledk\u016f posledn\u00edch zkou\u0161ek za\u0159\u00edzen\u00ed: ka\u017ed\u00fdch p\u011bt let se na stanici prov\u00e1d\u011bj\u00ed zkou\u0161ky a p\u0159esn\u00e9 charakteristiky za\u0159\u00edzen\u00ed. <\/li>\n<li>\u00dadaje v archivech ASU TP a \u00fa\u010detn\u00edch syst\u00e9mech podle v\u0161ech dostupn\u00fdch technologick\u00fdch ukazatel\u016f, spot\u0159eb a v\u00fdroby tepla a elektrick\u00e9 energie. Konkr\u00e9tn\u011b \u00fadaje z \u00fa\u010detn\u00edch syst\u00e9m\u016f podle dod\u00e1vky tepla a elektrick\u00e9 energie, jako\u017e i z telemechanick\u00fdch syst\u00e9m\u016f.<\/li>\n<li>\u00dadaje z p\u00e1skov\u00fdch a kruhov\u00fdch pap\u00edrov\u00fdch diagram\u016f. Ano, takov\u00e9 analogov\u00e9 metody zaznamen\u00e1v\u00e1n\u00ed parametr\u016f pr\u00e1ce za\u0159\u00edzen\u00ed se st\u00e1le pou\u017e\u00edvaj\u00ed na rusk\u00fdch elektr\u00e1rn\u00e1ch, a my je digitalizujeme.<\/li>\n<li>Pap\u00edrov\u00e9 den\u00edky na stanic\u00edch, kde se neust\u00e1le registruj\u00ed z\u00e1kladn\u00ed parametry re\u017eim\u016f, v\u010detn\u011b t\u011bch, kter\u00e9 nejsou zaznamen\u00e1v\u00e1ny senzory ASU TP. Proch\u00e1z\u00ed kontrolor ka\u017ed\u00e9 \u010dty\u0159i hodiny, zapisuje hodnoty a v\u0161echno zapisuje do den\u00edku.<\/li>\n<\/ul>\n<p>\nTo znamen\u00e1, \u017ee m\u00e1me obnoven\u00e9 sady dat o tom, v jak\u00e9m re\u017eimu pracovalo, kolik paliva bylo dod\u00e1no, jak\u00e1 byla teplota a spot\u0159eba p\u00e1ry a kolik tepeln\u00e9 a elektrick\u00e9 energie bylo z\u00edsk\u00e1no na v\u00fdstupu. Z tis\u00edc\u016f takov\u00fdch sad bylo t\u0159eba shrom\u00e1\u017edit charakteristiky ka\u017ed\u00e9ho uzlu. Na\u0161t\u011bst\u00ed v tomto Data Miningu um\u00edme hr\u00e1t u\u017e dlouho. <\/p>\n<p>Popisovat tak slo\u017eit\u00e9 objekty pomoc\u00ed matematick\u00fdch model\u016f je velmi slo\u017eit\u00e9. A je\u0161t\u011b slo\u017eit\u011bj\u0161\u00ed je p\u0159esv\u011bd\u010dit hlavn\u00edho in\u017een\u00fdra, \u017ee n\u00e1\u0161 model spr\u00e1vn\u011b po\u010d\u00edt\u00e1 re\u017eimy pr\u00e1ce stanice. Proto jsme zvolili cestu pou\u017eit\u00ed specializovan\u00fdch in\u017een\u00fdrsk\u00fdch komplex\u016f, kter\u00e9 umo\u017e\u0148uj\u00ed sestavit a doladit model tepl\u00e1rny na z\u00e1klad\u011b konstruk\u010dn\u00edch a technologick\u00fdch charakteristik za\u0159\u00edzen\u00ed. Vybrali jsme software Termoflow americk\u00e9 spole\u010dnosti TermoFlex. V sou\u010dasnosti se objevily rusk\u00e9 analogy, ale v t\u00e9 dob\u011b byl tento bal\u00edk nejlep\u0161\u00ed ve sv\u00e9 t\u0159\u00edd\u011b.<\/p>\n<p>Pro ka\u017edou jednotku jsou vyb\u00edr\u00e1ny jej\u00ed konstruk\u010dn\u00ed a z\u00e1kladn\u00ed technologick\u00e9 charakteristiky. Syst\u00e9m umo\u017e\u0148uje popsat v\u0161e velmi podrobn\u011b jak na logick\u00e9, tak na fyzick\u00e9 \u00farovni, a\u017e po uveden\u00ed stupn\u011b usazenin v trubk\u00e1ch v\u00fdm\u011bn\u00edk\u016f tepla.<\/p>\n<p><img decoding=\"async\" alt=\"Modelov\u00e1n\u00ed provozu re\u00e1ln\u00e9 tepl\u00e1rny pro optimalizaci re\u017eim\u016f: p\u00e1ra a matematika\" src=\"\/wp-content\/uploads\/2019\/12\/b0d14b78256ed36202deb54ad7334cb9.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n <br \/>\nV\u00fdsledkem je, \u017ee model tepeln\u00e9ho sch\u00e9matu stanice je vizu\u00e1ln\u011b pops\u00e1n v term\u00ednech energetick\u00fdch technolog\u016f. Technologov\u00e9 se nevyznaj\u00ed v programov\u00e1n\u00ed, matematice a modelov\u00e1n\u00ed, ale mohou si vybrat konstrukci uzlu, vstupy a v\u00fdstupy jednotek a uv\u00e9st parametry na nich. Pot\u00e9 syst\u00e9m s\u00e1m vyb\u00edr\u00e1 nejvhodn\u011bj\u0161\u00ed parametry a technolog je up\u0159es\u0148uje tak, aby dos\u00e1hl maxim\u00e1ln\u00ed p\u0159esnosti pro cel\u00e9 spektrum pracovn\u00edch re\u017eim\u016f. Na\u0161\u00edm c\u00edlem bylo zajistit p\u0159esnost modelu 2 % pro hlavn\u00ed technologick\u00e9 parametry a dos\u00e1hli jsme toho. <\/p>\n<p><img decoding=\"async\" alt=\"Modelov\u00e1n\u00ed provozu re\u00e1ln\u00e9 tepl\u00e1rny pro optimalizaci re\u017eim\u016f: p\u00e1ra a matematika\" src=\"\/wp-content\/uploads\/2019\/12\/42363ab712038f1d7952bf404f4fa1ac.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\n<img decoding=\"async\" alt=\"Modelov\u00e1n\u00ed provozu re\u00e1ln\u00e9 tepl\u00e1rny pro optimalizaci re\u017eim\u016f: p\u00e1ra a matematika\" src=\"\/wp-content\/uploads\/2019\/12\/c9d99052fd4af3d6542afa78ee70a885.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nZjistit to se uk\u00e1zalo jako ne tak jednoduch\u00e9: po\u010d\u00e1te\u010dn\u00ed \u00fadaje nebyly p\u0159\u00edli\u0161 p\u0159esn\u00e9, tak\u017ee prvn\u00ed p\u00e1r m\u011bs\u00edc\u016f jsme chodili po tepl\u00e1rn\u00e1ch a ru\u010dn\u011b zapisovali aktu\u00e1ln\u00ed ukazatele z manometr\u016f a ladili model podle skute\u010dn\u00fdch re\u017eim\u016f. Nejprve jsme vytvo\u0159ili modely turb\u00edn a kotl\u016f. Ka\u017edou turb\u00ednu a kotel jsme pe\u010dliv\u011b zkontrolovali. Pro ov\u011b\u0159en\u00ed modelu jsme vytvo\u0159ili pracovn\u00ed skupinu a zahrnuli do n\u00ed z\u00e1stupce tepl\u00e1ren. <\/p>\n<p><img decoding=\"async\" alt=\"Modelov\u00e1n\u00ed provozu re\u00e1ln\u00e9 tepl\u00e1rny pro optimalizaci re\u017eim\u016f: p\u00e1ra a matematika\" src=\"\/wp-content\/uploads\/2019\/12\/53c1638cb7ccf8156a525b17ef01c6e7.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nPot\u00e9 jsme shrom\u00e1\u017edili ve\u0161ker\u00e9 vybaven\u00ed do celkov\u00e9ho sch\u00e9matu a ladili model tepl\u00e1rny jako celku. Bylo t\u0159eba na tom pracovat, proto\u017ee v archivech se objevilo mnoho protich\u016fdn\u00fdch \u00fadaj\u016f. Nap\u0159\u00edklad jsme na\u0161li re\u017eimy s celkovou \u00fa\u010dinnost\u00ed 105 %. <\/p>\n<p>Kdy\u017e shroma\u017e\u010fujete kompletn\u00ed sch\u00e9ma, syst\u00e9m v\u017edy po\u010d\u00edt\u00e1 vyv\u00e1\u017een\u00fd re\u017eim: sestavuj\u00ed se materi\u00e1lov\u00e9, elektrick\u00e9 a tepeln\u00e9 bilance. D\u00e1le hodnot\u00edme, jak v\u0161echno dohromady odpov\u00edd\u00e1 skute\u010dn\u00fdm parametr\u016fm re\u017eimu podle ukazatel\u016f z p\u0159\u00edstroj\u016f.<\/p>\n<h3>Co jsme z\u00edskali<\/h3>\n<p>\n<img decoding=\"async\" alt=\"Modelov\u00e1n\u00ed provozu re\u00e1ln\u00e9 tepl\u00e1rny pro optimalizaci re\u017eim\u016f: p\u00e1ra a matematika\" src=\"\/wp-content\/uploads\/2019\/12\/b293844a8a93d7decae8a02a38cd9031.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n <br \/>\nV\u00fdsledkem je, \u017ee jsme z\u00edskali p\u0159esn\u00fd model technologick\u00fdch proces\u016f tepl\u00e1rny, zalo\u017een\u00fd na skute\u010dn\u00fdch charakteristik\u00e1ch vybaven\u00ed a historick\u00fdch \u00fadaj\u00edch. To n\u00e1m umo\u017enilo progn\u00f3zovat p\u0159esn\u011bji, ne\u017e pouze na z\u00e1klad\u011b charakteristik zkou\u0161ek. Vznikl simul\u00e1tor skute\u010dn\u00fdch proces\u016f stanice, digit\u00e1ln\u00ed dvojn\u00edk tepl\u00e1rny. <\/p>\n<p>V t\u00e9to simula\u010dn\u00ed aplikaci byla zavedena mo\u017enost prov\u00e1d\u011bt anal\u00fdzu podle sc\u00e9n\u00e1\u0159\u016f \u201eco kdyby\u2026\u201c na z\u00e1klad\u011b stanoven\u00fdch parametr\u016f. Tento model byl tak\u00e9 pou\u017eit k optimalizaci provozu skute\u010dn\u00e9 stanice. <\/p>\n<p>Poda\u0159ilo se realizovat \u010dty\u0159i optimaliza\u010dn\u00ed v\u00fdpo\u010dty:<\/p>\n<ol>\n<li>Vedouc\u00ed sm\u011bny stanice zn\u00e1 pl\u00e1n tepla, jsou zn\u00e1my t\u00fdmy syst\u00e9mov\u00e9ho oper\u00e1tora, je zn\u00e1m pl\u00e1n dod\u00e1vky elekt\u0159iny: jak\u00e9 za\u0159\u00edzen\u00ed pou\u017e\u00edt pro jak\u00e9 z\u00e1t\u011b\u017ee, aby bylo dosa\u017eeno maxim\u00e1ln\u00ed mar\u017ee.<\/li>\n<li>V\u00fdb\u011br za\u0159\u00edzen\u00ed podle cenov\u00e9 progn\u00f3zy na trhu: k zadan\u00e9mu datu s ohledem na pl\u00e1n z\u00e1t\u011b\u017ee a progn\u00f3zu venkovn\u00ed teploty ur\u010dujeme optim\u00e1ln\u00ed slo\u017een\u00ed za\u0159\u00edzen\u00ed.<\/li>\n<li>Pod\u00e1n\u00ed \u017e\u00e1dost\u00ed na trhu na den dop\u0159edu: kdy\u017e je slo\u017een\u00ed za\u0159\u00edzen\u00ed a je k dispozici p\u0159esn\u011bj\u0161\u00ed cenov\u00e1 progn\u00f3za. Vypo\u010d\u00edt\u00e1me a pod\u00e1v\u00e1me \u017e\u00e1dost.<\/li>\n<li>Vyrovn\u00e1vac\u00ed trh \u2013 uvnit\u0159 aktu\u00e1ln\u00edch dn\u016f, kdy jsou stanoveny elektrick\u00e9 a tepeln\u00e9 pl\u00e1ny, ale n\u011bkolikr\u00e1t denn\u011b ka\u017ed\u00e9 \u010dty\u0159i hodiny jsou zah\u00e1jeny aukce na vyrovn\u00e1vac\u00edm trhu, a m\u016f\u017eeme podat \u017e\u00e1dost: \u201e\u017d\u00e1d\u00e1m o nav\u00fd\u0161en\u00ed o 5 MW\u201c. Je pot\u0159eba naj\u00edt pod\u00edly na nav\u00fd\u0161en\u00ed nebo sn\u00ed\u017een\u00ed, kdy to p\u0159in\u00e1\u0161\u00ed maxim\u00e1ln\u00ed mar\u017ei.<\/li>\n<\/ol>\n<p>\n<img decoding=\"async\" alt=\"Modelov\u00e1n\u00ed provozu re\u00e1ln\u00e9 tepl\u00e1rny pro optimalizaci re\u017eim\u016f: p\u00e1ra a matematika\" src=\"\/wp-content\/uploads\/2019\/12\/a7b19a183a0d652b9730b8518ada67a0.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n <\/p>\n<h3>Zkou\u0161ky<\/h3>\n<p>\nPro spr\u00e1vn\u00e9 zkou\u0161ky bylo nutn\u00e9 porovnat standardn\u00ed re\u017eimy zat\u00ed\u017een\u00ed za\u0159\u00edzen\u00ed stanice s na\u0161imi v\u00fdpo\u010dtov\u00fdmi doporu\u010den\u00edmi za stejn\u00fdch podm\u00ednek: slo\u017een\u00ed za\u0159\u00edzen\u00ed, pl\u00e1ny z\u00e1t\u011b\u017ee a po\u010das\u00ed. Po dobu n\u011bkolika m\u011bs\u00edc\u016f jsme vyb\u00edrali \u00faseky dne v trv\u00e1n\u00ed \u010dty\u0159\u2013\u0161esti hodin se stabiln\u00edm pl\u00e1nem. P\u0159i\u0161li jsme na stanici (\u010dasto v noci), \u010dekali jsme, a\u017e se stanice dostane do re\u017eimu, a teprve potom jsme jej po\u010d\u00edtali v simula\u010dn\u00edm modelu. Pokud byl vedouc\u00ed sm\u011bny stanice spokojen\u00fd, poslali jsme provozn\u00ed person\u00e1l, aby ot\u00e1\u010del ventily a m\u011bnil re\u017eimy za\u0159\u00edzen\u00ed. <\/p>\n<p><img decoding=\"async\" alt=\"Modelov\u00e1n\u00ed provozu re\u00e1ln\u00e9 tepl\u00e1rny pro optimalizaci re\u017eim\u016f: p\u00e1ra a matematika\" src=\"\/wp-content\/uploads\/2019\/12\/6cf42d5e75264064742bbb833b601add.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nPorovn\u00e1vali jsme ukazatele p\u0159ed a po ve skute\u010dnosti. V maximu, ve dne i v noci, o v\u00edkendech i pracovn\u00edch dnech. V ka\u017ed\u00e9m re\u017eimu jsme dos\u00e1hli \u00faspory na palivu (v tomto \u00fakolu mar\u017ee z\u00e1vis\u00ed na spot\u0159eb\u011b paliva). Pot\u00e9 jsme pln\u011b p\u0159e\u0161li na nov\u00e9 re\u017eimy. Je t\u0159eba \u0159\u00edci, \u017ee stanice docela rychle uv\u011b\u0159ila v \u00fa\u010dinnost na\u0161ich doporu\u010den\u00ed, a bl\u00ed\u017ee k z\u00e1v\u011bru zkou\u0161ek jsme \u010d\u00edm d\u00e1l t\u00edm \u010dast\u011bji pozorovali, \u017ee za\u0159\u00edzen\u00ed pracuje v re\u017eimech, kter\u00e9 jsme d\u0159\u00edve spo\u010d\u00edtali. <\/p>\n<h3>V\u00fdsledek projektu<\/h3>\n<p>\nObjekt: Tepl\u00e1rna s p\u0159\u00ed\u010dn\u00fdmi vazbami, 600 MW elektrick\u00e9ho v\u00fdkonu, 2 400 Gkal \u2014 tepeln\u00e9ho.<\/p>\n<p>T\u00fdm: KROK \u2014 sedm lid\u00ed (odborn\u00edci-technologov\u00e9, analytici, in\u017een\u00fd\u0159i), tepl\u00e1rna \u2014 p\u011bt lid\u00ed (obchodn\u00ed odborn\u00edci, kl\u00ed\u010dov\u00ed u\u017eivatel\u00e9, specialist\u00e9). <br \/>\nDoba realizace: 16 m\u011bs\u00edc\u016f.<\/p>\n<p>V\u00fdsledky:<\/p>\n<ul>\n<li>Automatizovali jsme podnikov\u00e9 procesy \u0159\u00edzen\u00ed re\u017eim\u016f a pr\u00e1ce na velkoobchodn\u00edm trhu.<\/li>\n<li>Provedli jsme experimenty, kter\u00e9 potvrzuj\u00ed ekonomick\u00fd efekt.<\/li>\n<li>U\u0161et\u0159ili jsme 1,2 % paliva d\u00edky p\u0159erozd\u011blen\u00ed z\u00e1t\u011b\u017e\u00ed p\u0159i \u0159\u00edzen\u00ed re\u017eimu.<\/li>\n<li>Uchovali jsme 1 % paliva d\u00edky kr\u00e1tkodob\u00e9mu pl\u00e1nov\u00e1n\u00ed soupravy za\u0159\u00edzen\u00ed. <\/li>\n<li>Optimalizovali jsme v\u00fdpo\u010det stup\u0148\u016f \u017e\u00e1dost\u00ed na RSV podle krit\u00e9ria maximalizace hrub\u00e9ho zisku.<\/li>\n<\/ul>\n<p>\nKone\u010dn\u00fd efekt \u2014 p\u0159ibli\u017en\u011b 4 %.<\/p>\n<p>Odhadovan\u00e1 doba n\u00e1vratnosti projektu (ROI) \u2014 1\u20131,5 roku. <\/p>\n<p>Samoz\u0159ejm\u011b, aby se to v\u0161echno implementovalo a otestovalo, bylo nutn\u00e9 zm\u011bnit mnoho proces\u016f a \u00fazce spolupracovat jak s veden\u00edm tepl\u00e1rny, tak se generuj\u00edc\u00ed spole\u010dnost\u00ed jako celkem. Ale v\u00fdsledek rozhodn\u011b st\u00e1l za to. Poda\u0159ilo se vytvo\u0159it digit\u00e1ln\u00ed dvojn\u00edk stanice, vyvinout postupy optimaliza\u010dn\u00edho pl\u00e1nov\u00e1n\u00ed a dos\u00e1hnout skute\u010dn\u00e9ho ekonomick\u00e9ho efektu.<br \/>\n<br \/>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/croc\/blog\/481902\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0415\u0441\u0442\u044c \u0431\u043e\u043b\u044c\u0448\u0430\u044f \u0422\u042d\u0426. \u0420\u0430\u0431\u043e\u0442\u0430\u0435\u0442 \u043a\u0430\u043a \u043e\u0431\u044b\u0447\u043d\u043e: \u0436\u0436\u0451\u0442 \u0433\u0430\u0437, \u0432\u044b\u0440\u0430\u0431\u0430\u0442\u044b\u0432\u0430\u0435\u0442 \u0442\u0435\u043f\u043b\u043e \u0434\u043b\u044f \u043e\u0442\u043e\u043f\u043b\u0435\u043d\u0438\u044f \u0434\u043e\u043c\u043e\u0432 \u0438 \u044d\u043b\u0435\u043a\u0442\u0440\u0438\u0447\u0435\u0441\u0442\u0432\u043e \u0434\u043b\u044f \u043e\u0431\u0449\u0435\u0439 \u0441\u0435\u0442\u0438. \u041f\u0435\u0440\u0432\u0430\u044f \u0437\u0430\u0434\u0430\u0447\u0430 \u2014 \u043e\u0442\u043e\u043f\u043b\u0435\u043d\u0438\u0435. \u0412\u0442\u043e\u0440\u0430\u044f \u2014 \u043f\u0440\u043e\u0434\u0430\u0442\u044c \u0432\u0441\u0451 \u0432\u044b\u0440\u0430\u0431\u043e\u0442\u0430\u043d\u043d\u043e\u0435 \u044d\u043b\u0435\u043a\u0442\u0440\u0438\u0447\u0435\u0441\u0442\u0432\u043e \u043d\u0430 \u043e\u043f\u0442\u043e\u0432\u043e\u043c \u0440\u044b\u043d\u043a\u0435. \u0418\u043d\u043e\u0433\u0434\u0430 \u0435\u0449\u0451 \u0432 \u043c\u043e\u0440\u043e\u0437 \u043f\u0440\u0438 \u044f\u0441\u043d\u043e\u043c \u043d\u0435\u0431\u0435 \u043f\u043e\u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0441\u043d\u0435\u0433, \u043d\u043e \u044d\u0442\u043e \u043f\u043e\u0431\u043e\u0447\u043d\u044b\u0439 \u044d\u0444\u0444\u0435\u043a\u0442 \u0440\u0430\u0431\u043e\u0442\u044b \u0433\u0440\u0430\u0434\u0438\u0440\u0435\u043d. \u0421\u0440\u0435\u0434\u043d\u044f\u044f \u0422\u042d\u0426 \u0441\u043e\u0441\u0442\u043e\u0438\u0442 \u0438\u0437 \u043f\u0430\u0440\u044b \u0434\u0435\u0441\u044f\u0442\u043a\u043e\u0432 \u0442\u0443\u0440\u0431\u0438\u043d \u0438 \u043a\u043e\u0442\u043b\u043e\u0432. [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-54492","post","type-post","status-publish","format-standard","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0415\u0441\u0442\u044c \u0431\u043e\u043b\u044c\u0448\u0430\u044f.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/cs\/blog\/administrirovanie\/modelirovanie-raboty-realnoj-tets-dlya-optimizatsii-rezhimov-par-i-matematika\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.3\" \/>\n\t\t<meta property=\"og:locale\" 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