{"id":562,"date":"2020-06-28T16:09:15","date_gmt":"2020-06-28T16:09:15","guid":{"rendered":"http:\/\/www.stojanovic-hydro.com\/?page_id=562"},"modified":"2020-07-01T11:04:49","modified_gmt":"2020-07-01T11:04:49","slug":"he-piva","status":"publish","type":"page","link":"http:\/\/www.stojanovic-hydro.com\/sr\/he-piva\/","title":{"rendered":"HE Piva"},"content":{"rendered":"\n<p>Brana \u201e&#8220;Piva\u201c sme\u0161tena je na reci Pivi, oko 9 km uzvodno od \u0160\u0107epan Polja. To je lu\u010dna brana, izgra\u0111ena 1976. godine. Povr\u0161ina sliva koji joj odgovara je 1.758 km<sup>2<\/sup>. Vi\u0161egodi\u0161nji srednji proticaj reke je 74,4 m<sup>3<\/sup>\/s.<\/p>\n\n\n\n<p>Brana je jedna od najvi\u0161ih u Evropi, sa visinom od 220 m i du\u017einom od 269 metara. Poplavni talasi se ispu\u0161taju kroz preliv sa ustavama (sa ukupnim kapacitetom 1.670 m<sup>3<\/sup>\/s) i preko sistema ispusta na sredini visine brane (koji se sastoji od tri ispusta pre\u010dnika 2,5 m opremljena ustavama, sme\u0161tena na polovini visine brane). Maksimalni kapacitet ispusta na sredini visine brane je 373 m<sup>3<\/sup>\/s.<\/p>\n\n\n\n<p>Brana ima dva temeljna ispusta sa pre\u010dnicima po 2,5 m i maksimalnim kapacitetom od 240 m<sup>3<\/sup>\/s.<\/p>\n\n\n\n<p>Minimalni odr\u017eivi protok iznosi 25 m<sup>3<\/sup>\/s ili manje od toga.<\/p>\n\n\n\n<p>Ma\u0161inska zgrada je, usled specifi\u010dnih topografskih svojstava terena, sme\u0161tena u stensku masu na levoj obali reke.<\/p>\n\n\n\n<p>Tokom nekoliko poslednjih godina preduzet je niz aktivnosti kako bi se pove\u0107ale proizvodnja elektri\u010dne energije i efikasnost ove HE. Pored aktivnosti vezanih za revitalizaciju i modernizaciju opreme, analizirana je i mogu\u0107nost prokopavanja re\u010dnog korita nizvodno od preliva na brani. Glavni cilj ove analize je da se smanji nivo donje vode HE i tako pove\u0107aju pad i odgovaraju\u0107a proizvodnja elektri\u010dne energije u HE.<\/p>\n\n\n\n<p>Prethodne studije opravdanosti koje se odnose na pove\u0107anje snage HE zavr\u0161ene su 2011. godine; Idejni projekat bi\u0107e zavr\u0161en 2015. godine, a zatim sledi priprema tenderske dokumentacije za revitalizaciju agregata. Deo elektro-opreme revitalizovan je 2014. godine.<\/p>\n\n\n\n<p>Glavne karakteristike HE \u201cPiva\u201d sa odgovaraju\u0107im objektima izlo\u017eene su u nastavku:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Akumulacija:<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>ukupna zapremina<\/td><td>880 miliona m<sup>3<\/sup><\/td><\/tr><tr><td>korisna zapremina<\/td><td>790 miliona m<sup>3<\/sup><\/td><\/tr><tr><td>maksimalni radni nivo vode<\/td><td>677,7 mnm<\/td><\/tr><tr><td>kota normalnog uspora<\/td><td>675,0 mnm<\/td><\/tr><tr><td>minimalni radni nivo vode<\/td><td>632,0 mnm<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<ul class=\"wp-block-list\"><li>Brana<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>tip<\/td><td>betonska lu\u010dna<\/td><\/tr><tr><td>kota krune<\/td><td>678,0 mnm<\/td><\/tr><tr><td>visina<\/td><td>220,0 m<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<ul class=\"wp-block-list\"><li>HE<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table><tbody><tr><td>tip<\/td><td>podzemna<\/td><\/tr><tr><td>maksimalni pad<\/td><td>182,4 m<\/td><\/tr><tr><td>nominalni pad<\/td><td>162,0 m<\/td><\/tr><tr><td>minimalni pad<\/td><td>138,0 m<\/td><\/tr><tr><td>instalisani protok<\/td><td>240 m<sup>3<\/sup>\/s<\/td><\/tr><tr><td>instalisana snaga<\/td><td>342 MW<\/td><\/tr><tr><td>godi\u0161nja proizvodnja energije<\/td><td>800 GWh<\/td><\/tr><tr><td>broj agregata<\/td><td>3<\/td><\/tr><tr><td>tip turbine<\/td><td>Francis<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"605\" height=\"347\" src=\"http:\/\/www.stojanovic-hydro.com\/wp-content\/uploads\/2020\/07\/HE-Piva-1.jpg\" alt=\"\" class=\"wp-image-1227\" srcset=\"http:\/\/www.stojanovic-hydro.com\/wp-content\/uploads\/2020\/07\/HE-Piva-1.jpg 605w, http:\/\/www.stojanovic-hydro.com\/wp-content\/uploads\/2020\/07\/HE-Piva-1-300x172.jpg 300w, http:\/\/www.stojanovic-hydro.com\/wp-content\/uploads\/2020\/07\/HE-Piva-1-255x146.jpg 255w, http:\/\/www.stojanovic-hydro.com\/wp-content\/uploads\/2020\/07\/HE-Piva-1-50x29.jpg 50w, http:\/\/www.stojanovic-hydro.com\/wp-content\/uploads\/2020\/07\/HE-Piva-1-131x75.jpg 131w\" sizes=\"auto, (max-width: 605px) 100vw, 605px\" \/><figcaption>Piva dam and HPP<\/figcaption><\/figure><\/div>\n\n\n\n<p><strong>Izvor: IWRM Country Report for Montenegro, COWI, Stucky and Jaroslav Cerni Water Institute, 2017<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Brana \u201e&#8220;Piva\u201c sme\u0161tena je na reci Pivi, oko 9 km uzvodno od \u0160\u0107epan Polja. To je lu\u010dna brana, izgra\u0111ena 1976. godine. Povr\u0161ina sliva koji joj odgovara je 1.758 km2. Vi\u0161egodi\u0161nji srednji proticaj reke je 74,4 m3\/s. Brana je jedna od najvi\u0161ih u Evropi, sa visinom od 220 m i du\u017einom od 269 metara. Poplavni talasi &hellip; <\/p>\n<p class=\"link-more\"><a href=\"http:\/\/www.stojanovic-hydro.com\/sr\/he-piva\/\" class=\"more-link\">\u041d\u0430\u0441\u0442\u0430\u0432\u0438 \u0441\u0430 \u0447\u0438\u0442\u0430\u045a\u0435\u043c<span class=\"screen-reader-text\"> &#8222;HE Piva&#8220;<\/span><\/a><\/p>\n","protected":false},"author":3,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-562","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"http:\/\/www.stojanovic-hydro.com\/sr\/wp-json\/wp\/v2\/pages\/562","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.stojanovic-hydro.com\/sr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"http:\/\/www.stojanovic-hydro.com\/sr\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"http:\/\/www.stojanovic-hydro.com\/sr\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"http:\/\/www.stojanovic-hydro.com\/sr\/wp-json\/wp\/v2\/comments?post=562"}],"version-history":[{"count":3,"href":"http:\/\/www.stojanovic-hydro.com\/sr\/wp-json\/wp\/v2\/pages\/562\/revisions"}],"predecessor-version":[{"id":1229,"href":"http:\/\/www.stojanovic-hydro.com\/sr\/wp-json\/wp\/v2\/pages\/562\/revisions\/1229"}],"wp:attachment":[{"href":"http:\/\/www.stojanovic-hydro.com\/sr\/wp-json\/wp\/v2\/media?parent=562"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}