Hydropower plants on Drava river with emphasis on HPP Varaždin

Završni rad obrađuje hidroenergetski sustav na rijeci Dravi s naglaskom na HE Varaždin. Dane su osnovne informacije o slivu rijeke Drave, kako djeluje na prirodu i naselja u njenoj blizini, prednosti hidroelektrana za čovjeka te ukratko opisan princip rada hidroelektrana. Opisan je hidroenergetski sustav rijeke počevši od hidroelektrana sagrađenih u Austriji pa Sloveniji i naposljetku detaljnije o hrvatskim hidroelektranama na Dravi- HE Varaždin, HE Čakovec i HE Dubrava. Detaljno je prikazana HE Varaždin, izgrađena 1975. godine, prva hidroelektrana na dravskom slivu u Hrvatskoj. Za nju su navedene osnovne tehničke karakteristike kao i prikaz glavnih dijelova popraćeni slikama te opis postupka izgradnje same hidroelektrane. U sklopu izrade završnog rada obavljen je i posjet HE Varaždin koji je uz razgovor s djelatnicima hidroenergetskog sklopa omogućio bolje shvaćanje gradiva, a u radu su prikazane zanimljivosti i slike prikupljene tijekom posjeta.This undergraduate thesis covers the topic of hydropower system on the river Drava with an emphasis on HPP Varaždin. Basic information about the Drava river basin, how it affects nature and surrounding inhabited areas, the advantages of hydropower plants for humans, and a brief description of hydropower plants operation principle are given. The hydropower system of the river is described, starting with hydropower plants built in Austria and then Slovenia, and finally a more detailed description of Croatian hydropower plants on the Drava - HPP Varaždin, HPP Čakovec and HPP Dubrava. HPP Varaždin is presented in detail. HPP Varaždin is in operation since 1975. It is the first hydroelectric power plant on the Drava basin in Croatia. The basic technical characteristics and main parts are listed, accompanied by pictures as well as a description of the process of building the hydroelectric power plant itself. As part of the thesis, a visit to HPP Varaždin was made, which, in addition to a conversation with the employees of the hydropower complex, enabled a better understanding of the material, and the paper presents interesting facts and pictures collected during the visit