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  4. Evaluation of LTE based communication for fast state estimation in low voltage grids
 
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Evaluation of LTE based communication for fast state estimation in low voltage grids

Publikationstyp
Conference Paper
Date Issued
2020-11-11
Sprache
English
Author(s)
Fisser, Leonard  orcid-logo
Ipach, Hanko  orcid-logo
Timm-Giel, Andreas  orcid-logo
Becker, Christian  orcid-logo
Institut
Kommunikationsnetze E-4  
Elektrische Energietechnik E-6  
TORE-URI
http://hdl.handle.net/11420/8555
Article Number
9302999
Citation
IEEE International Conference on Communications, Control, and Computing Technologies for Smart Grids (SmartGridComm 2020)
Contribution to Conference
IEEE International Conference on Communications, Control, and Computing Technologies for Smart Grids, SmartGridComm 2020  
Publisher DOI
10.1109/SmartGridComm47815.2020.9302999
Scopus ID
2-s2.0-85099444376
In this work we investigate the applicability of Long-Term-Evolution (LTE) based communication systems operating in the low Ultra High Frequency range for a fast State Estimation in Low Voltage (LV) grids at high update rates.To estimate the state of the LV grid, the Branch-Current based State Estimation algorithm is modified such that voltage measurements are additionally considered while keeping the complexity low. A detailed LV grid topology and simulation model is then designed and used to find the communication networks performance for operation on 450 MHz and 2100 MHz. The resulting delay and packet loss rate distributions are used to evaluated the state estimation accuracy for different update intervals for a LV grid during a period of high photovoltaic feed-in variations. Optimal update rates are identified and further verified by analytical LTE cell load factor calculations.In the spirit of open science, the simulation code as well as the result files are publicly available at the reference provided in the conclusion.
Funding(s)
Optimale Nutzung Regenerativer Energien in Niederspannungsverteilnetzen  
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