Proračuni prenapona u rasklopnim postrojenjima korištenjem podataka iz SLAP i SCADA sustava

master's thesis

• Title (english): Substation overvoltage calculation based on LLS and SCADA measurements
• Author: Filip Mlinarić
• Mentor: Ivo Uglešić (mentor)
• Committee member: Ivo Uglešić (predsjednik povjerenstva)
• Committee member: Viktor Milardić (član povjerenstva)
• Committee member: Božidar Filipović-Grčić (član povjerenstva)
• Granter: University of Zagreb; Faculty of Electrical Engineering and Computing; Zagreb
• Defense date and country: 2019-07-12, Croatia
• Scientific / art field, discipline and subdiscipline: TECHNICAL SCIENCES; Electrical Engineering

Abstract

Sustav za lociranje atmosferskih pražnjenja (SLAP) detektira udare munja na području hrvatske prijenosne mreže. Dobiveni podaci koreliraju se s podacima o isklopima iz SCADA sustava. Kako bi se dobile informacije o dielektričnim naprezanjima uzrokovanim udarima munja na dalekovodima i u rasklopnim postrojenjima provedene su računalne simulacije u programskom alatu EMTP-RV. Simulacije su provedene za tri naponske razine prijenosne mreže (400, 220 i 110 kV). Za svaku od naponskih razina modelirani su visokonaponski dalekovodi i postrojenja te je analizirana prenaponska zaštita metal-oksidnim odvodnicima prenapona.

Abstract (english)

Lightning Location System (LLS) is used to detect lightning strikes in the area of the Croatian transmission grid. Data gathered in LLS is used to co-relate with the fault switching operations from the SCADA system. Computer simulations using software package EMTP-RV are conducted to collect additional information about dielectric stress caused by lightning strikes on transmission lines and substations. Simulations are conducted for the three existing transmission voltage levels (400, 220 and 110 kV). For each of the voltage levels a model is created. Overvoltage protection was analysed using metal-oxide surge arresters.

• Keywords: atmosferski prenaponi; udar groma; udar munja; prijenosna elektroenergetska mreža; elektroenergetski sustav; EMTP-RV modeliranje
• Keywords (english): atmospheric overvoltages; lightning strike; lightning flash; transmission power grid; electrical power system; EMTP-RV modelling
• Language: croatian
• URN:NBN: urn:nbn:hr:168:653250
• Study programme: Title: Electrical Engineering and Information Technology; Study programme type: university; Study level: graduate; Academic / professional title: magistar/magistra inženjer/inženjerka elektrotehnike i informacijske tehnologije (magistar/magistra inženjer/inženjerka elektrotehnike i informacijske tehnologije)
• Type of resource: Text
• File origin: Born digital
• Access conditions: Closed access
• Created on: 2020-01-07 20:36:20