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L’électrification intelligente au service de la transition énergétique

Smart electrification towards energy transition

Publié le 14 mars 2016
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29 mars 2016
GreEn-ER building
Amphithéatre Ampère (1st floor)
21 avenue des Martyrs

Language: English

Industrial Aspects of Voltage Management and Hosting Capacity of Photovoltaic Power Generation in Low Voltage Networks


Prof. Corinne Alonso, Université de Toulouse III Paul Sabatier, Examiner
Prof. Marc Petit, Université de l'École Supérieure d'Électricité, Preliminary examiner
Prof. Matti Lehtonen, Aalto University, Preliminary examiner
Mr. Guillaume Roupioz, ERDF, Examiner
Prof. Nouredine Hadj-Said, Université Grenoble Alpes, Director
Dr. Florent Cadoux, Fondation Partenariale Grenoble INP, Co-Director

Language: English


In this thesis, voltage measurements provided by the advanced metering infrastructure (AMI) are used to control an on-load tap changer located at the secondary substation. The thesis presents a practical and a straightforward method of selecting the low voltage customers whose voltage measurements are used as an input to the controller of the on-load tap changer. The developed method takes into account the load and the topology of the network. Furthermore, a simple method of creating synthetic and statistically correct load curves for networks studies is presented. The created methods have been tested by using real data of low voltage networks on a common platform in the power distribution industry leading to encouraging results; a few customers per low voltage network should be monitored in order to achieve accurate voltage measurements.
    This methodology is further applied to estimate the hosting capacity of photovoltaic power generation in a given low voltage network.
    In the first part, the evolution of the hosting capacity by using three different types of voltage control; an on-load tap changer of five and nine tap positions and voltage control through photovoltaic power generators, is studied. The study considers two different cases for placing and sizing the photovoltaic generators in a low voltage network. The results of 38 low voltage networks are provided.
    In the second part, the hosting capacities of 631 low voltage networks, located in a French metropolitan area, are analysed by using an on-load tap changer of five and an on-load tap changer of nine tap positions.
    The work has been together with Électricité Réseau Distribution France (ERDF), the major French distribution system operator. All studies presented in the thesis are based on the real operational data of the company. Moreover, all studies are implemented on a platform that is widely used in the power distribution industry.
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mise à jour le 14 mars 2016

Université Grenoble Alpes