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Spremljanje dogodkov v omrežju s pomočjo elektronskih števcev
DAVIDOVIĆ, DANIJEL (Author), Mihalič, Rafael (Mentor) More about this mentor... This link opens in a new window, Ažbe, Valentin (Co-mentor)

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Abstract
Distribucijska podjetja se srečujejo s številnimi izzivi pri uveljavljanju naprednega merilnega sistema. Eden od izzivov je, na kakšen način nadzorovati vse bolj številčno napredno merilno opremo. Osnovni element naprednega merilnega sistema so elektronski števci, ki ne le da merijo električno energijo, ampak imajo še številne druge funkcije. Ena od teh naprednih funkcij je arhiv statusov, ki jih beleži vsak elektronski števec. Ta arhiv statusov imenujemo dogodki števca in ti beležijo vsa pomembnejša dogajanja, ki se s števcem zgodijo. Zato smo raziskali možnost nadzorovanja števcev prek dogodkov. V prirejenem programu vidimo, kateri dogodek, kdaj in na katerem števcu se je zgodil. Elektronski števci tako omogočajo, da preko dogodkov spremljamo, kaj se z njimi dogaja. Preko treh gospodinjskih števcev, ki smo jih preizkušali, smo preizkušali dogodke odklopnika in skušali digitalne vhode spremeniti v alarmni dogodek ter po nekem logičnem zaporedju uprizoriti postopek za nepooblaščen odjem električne energije. Z alarmnim dogodkom smo želeli uprizoriti zaznavanje odprtja priključne omare, v kateri se nahaja števec. Zaporedja dogodkov smo nato poiskali v programskem sistemu in s tem dokazali, da se dogajajo simulirana zaporedja dogodkov tudi na terenu. S tem smo pokazali veliko uporabnost beleženja dogodkov in njihove možnosti pri kontroli števcev ter zaščiti celotne priključne merilne omarice.

Language:Slovenian
Keywords:dogodki, meritve, parametriranje, elektronski števec električne energije, nepooblaščen odjem električne energije, napredna merilna infrastruktura, odklopnik, nadzor števcev v prihodnosti, odpiranje merilno priključne omare, avtomatiziran proces, zaporedja dogodkov
Work type:Bachelor thesis/paper (mb11)
Organization:FE - Faculty of Electrical Engineering
Year:2016
Views:447
Downloads:284
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Secondary language

Language:English
Title:Observation of events in electrical network by using digital electricity meters
Abstract:
Distribution companies are mitting with many challenges in exercising advanced measuring system. One of challenges is how to control all advanced measurment equipment. Basic element of advanced measuring system is digital electricity meter. Digital electricity meter measure electricity and has many other functions. One of these function is archive of statusses that are recorded by all digital electricity meters. This archive of statusses are called events and with these events digital electricity meters record all important things that happen to them. For this reason we investigated possibility to control digital electricity meters with events. In modified program we can see event, time when event happened and on which electricity meter event happened. With events we have possibility to see what is going on with digital electricity meters. We had three digital electricity meters for testing events. We tested events for breaker and we tried to set alarm function to digital input that electricity meters have. With this alarm we detect when someone opens door of terminal measurement cabinet. We also tried to find sequence of events that shows potential unauthorized consumption of electricity. Then we found this sequence of events in modified program and we proved that this sequence of events actually happens in practice to electricity meters. We have proved usefulness of recording events and their posibilities in controling digital electricity meters and whole terminal measurment cabinets.

Keywords:events, measurment, digital electricity meter, unauthorized consumption of electricity, advanced measuring system, breaker, control of electricity meters in future, open door of terminal measurment cabinet, automatic process, sequence of events

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