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Digitalizacija H stika z uporabo procesnega vodila in digitalne merilne tehnike
JENŠKOVEC, JAKA (Author), Kobav, Matej Bernard (Mentor) More about this mentor... This link opens in a new window

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Abstract
V magistrski nalogi smo se dotaknili aktualne teme digitalizacije razdelilnih transformatorskih postaj (RTP). S pojavom digitalne dobe sledi tudi širjenje digitalizacije v transformatorske postaje, ki vse bolj stremijo k trendu digitalizacije vseh podatkov, informacij, statusov in komand. Delo obsega primerjavo konvencionalne in digitalne RTP, predstavitev standarda IEC 61850-9-2 v avtomatizaciji postaje in opis digitalne merilne tehnike, kot so optični tokovni in napetostni senzorji. Primerjavo konvencionalne in digitalne RTP smo prikazali na primeru H stika. Sledila sta izračun potrebnega bakrenega ožičenja v konvencionalni RTP in izračun potrebnih optičnih in bakrenih povezav v digitalni RTP med inteligentnimi elektronskimi napravami za zaščito, vodenje in meritve v nivoju polja ter procesnim nivojem s primarno opremo RTP. Po izvedbi izračuna smo se osredotočili na ekonomsko analizo, omejeno samo na krmilne, alarmne, analogne in statusne signale, ki potekajo med nivojem polja in procesnim nivojem. Rezultati so pokazali, da se z digitalizacijo RTP bakreno ožičenje v veliki meri reducira. Ekonomska upravičenost z uporabo procesnega vodila med nivojem polja in procesnim nivojem pa se je izkazala za negativno. Vendar se zaradi drugih pozitivnih lastnosti digitalizacija RTP vse bolj uveljavlja. Za konec smo pregledali, s kakšnimi izzivi se že srečujemo in kaj nas še čaka v prihodnosti.

Language:Slovenian
Keywords:digitalna razdelilna transformatorska postaja, optični tokovni senzor, bakrene povezave, H stik, procesno vodilo
Work type:Master's thesis/paper (mb22)
Organization:FE - Faculty of Electrical Engineering
Year:2019
Views:164
Downloads:140
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Secondary language

Language:English
Title:Digitalization of ‘’H’’ type main bus arrangement with process bus and digital measuring devices
Abstract:
Master’s degree is concerned with contemporary theme of digitalization of transformer substations. With the advent of ''digital era'', a traditionally analog secondary instrumentation and control systems within transformer substations are increasingly becoming digital signals, with simplified ability to be processed. Master’s degree comprises comparison between conventional and digital substations, presentation of standard IEC 61850-9-2 within scope of substation automatization and description of digital metering technology, such as fiber optic current sensors and fiber optic voltage sensors. Comparison of conventional and digital substation was performed on the case of “H’’ type main bus arrangement. Derived from this case was the calculation of required copper wiring for conventional substation and calculation of copper and optical connections for digital substations between intelligent electronic devices within bay level and process level. After calculation was performed, main focus was on economic analysis limited to control, alarm, analog and status signals that are required between bay level and process level. Conclusion, derived from results of quantity analysis, shows significant reduction in required quantity of copper connections. Conclusion from economic analysis shows that digital solution with process bus is more expensive than traditional connections. However, due to other positive features, digitalization of the transformer substation is becoming increasingly established. Master’s degree is concluded with an overview of current and future challenges in the field of substation construction.

Keywords:digital transformer substation, fiber optic current sensor, copper wiring, ‘’H’’ type main bus arrangement, process bus

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