| Issue |
E3S Web Conf.
Volume 139, 2019
Rudenko International Conference “Methodological problems in reliability study of large energy systems” (RSES 2019)
|
|
|---|---|---|
| Article Number | 01059 | |
| Number of page(s) | 5 | |
| DOI | https://doi.org/10.1051/e3sconf/201913901059 | |
| Published online | 16 December 2019 | |
Using smart meters for checking the topology and power flow calculation of a secondary distribution network
1 Energy Systems Institute of Siberian Branch of the Russian Academy of Sciences, Department of Electric Power System, 664033 Lermontov str., 130, Irkutsk, Russia
2 Irkutsk National Research Technical University, Institute of Power Engineering, Department of Electric Power System, 664074 Lermontov str., 83, Irkutsk, Russia
3 Engineering Center «Irkutskenergo», Department of relay protection and automation, 664043 Ryabikova str., 67, Irkutsk, Russia
* Corresponding author: golub@isem.irk.ru
The paper analyzes options of using smart meters for power flow calculation and for assessing the state of a real three-phase four-wire secondary distribution network based on measurements of average values of active and reactive power and of voltages. The work is based on the authors’ research on allocation of measurements to ensure secondary distribution network observability and on selection of the most efficient method for linear and non-linear state estimation. The paper illustrates solution of a problem on identification composition of load nodes in the phases and reveals challenges related to voltage account in the neutral wire and in its grounding.
© The Authors, published by EDP Sciences, 2019
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