Estimation and Validation of Characteristic Load Profile Through Smart Grid Trials in a Medium Voltage Distribution Network

Tang, X, Hasan, K, Milanovic, J, Bailey, K and Stott, S 2018, 'Estimation and Validation of Characteristic Load Profile Through Smart Grid Trials in a Medium Voltage Distribution Network', IEEE Transactions on Power Systems, vol. 33, no. 2, pp. 1848-1859.


Document type: Journal Article
Collection: Journal Articles

Title Estimation and Validation of Characteristic Load Profile Through Smart Grid Trials in a Medium Voltage Distribution Network
Author(s) Tang, X
Hasan, K
Milanovic, J
Bailey, K
Stott, S
Year 2018
Journal name IEEE Transactions on Power Systems
Volume number 33
Issue number 2
Start page 1848
End page 1859
Total pages 12
Publisher IEEE
Abstract Load modelling plays a key role in assessing peak load reduction and has attracted renewed interest recently due to increasing diversity and uncertainty in load characteristic resulted by emergence of new types of loads and more penetrations of distributed renewable generations onto electricity networks. This paper presents a methodology for the development of a static load model based load characteristic profile in medium voltage distribution networks from year-long field measurements. High-resolution load monitoring devices with the 1 s sampling rate installed at 60 primary substations in the U.K. distribution network are used to collect the data for the purpose of load modelling. Load models at these 60 substations comprising domestic, commercial/industrial, and mixed-type load demand are presented in the paper together with relevant model parameters. Field trials (which involve triggering transformer taps to initiate voltage changes) were performed throughout the year on 15 selected substations aimed at load profile validation. The developed load profiles take into account seasonal, weekly, and daily variations of P-V and Q-V characteristics. Representative 24 h (0.5 h) load matrices are developed for all 60 substations and provide an insight into the operational flexibility and network resilience to voltage variations.
Subject Renewable Power and Energy Systems Engineering (excl. Solar Cells)
Keyword(s) Distribution networks
Load characteristic profile
Measurement based load modelling
Smart grid trials
DOI - identifier 10.1109/TPWRS.2017.2740563
Copyright notice © 2017 IEEE
ISSN 0885-8950
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