Assessment of information reliability using IEC 61850 MMS in control scenarios over imperfect communication networks
Translated title
: IEC 61850 MMS as application layer protocol over TCP/UDP for remote control of DERs in LV grid
Author
Umair, Rafia
Term
4. term
Education
Publication year
2016
Submitted on
2016-06-02
Pages
105
Abstract
Efterhånden som mere elektricitet kommer fra vedvarende energikilder, er der voksende interesse for at opbygge fremtidens elsystem udelukkende på vedvarende energi. Vindkraft varierer og er usikker på grund af skiftende vind og ufuldkomne prognoser, så der er behov for styringssystemer, der kan koordinere produktion og forbrug. Dette speciale undersøger et mikronet i lavspændingsnettet, hvor en vindmølle fjernstyres via IEC 61850 MMS, en kommunikationsprotokol brugt i elsystemer. For at kunne regulere vindkraften effektivt skal meddelelser leveres pålideligt til styringsenheden; ellers går effektivitet tabt. Specialet modellerer IEC 61850 MMS over både TCP og UDP og vurderer, hvor pålidelig informationen er, samt hvordan styringsenheden præsterer under forskellige ikke-ideelle kommunikationsnetværk.
As more electricity comes from renewable energy sources, there is growing interest in building future power systems entirely on renewables. Wind power is variable and uncertain because wind changes and forecasts are imperfect, so control systems are needed to coordinate production and consumption. This thesis studies a low-voltage microgrid in which a wind turbine is remotely controlled using IEC 61850 MMS, a communication protocol used in power systems. To control wind power effectively, messages must be delivered reliably to the controller; otherwise efficiency is lost. The thesis models IEC 61850 MMS over both TCP and UDP and evaluates information reliability and controller performance under various non-ideal communication networks.
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