Validation of a Holistic System for Operational Analysis and Provision of Ancillary Services in Active Distribution Networks

Theofilos A. Papadopoulos (), Kalliopi D. Pippi, Georgios A. Barzegkar-Ntovom, Eleftherios O. Kontis, Angelos I. Nousdilis, Christos L. Athanasiadis and Georgios C. Kryonidis
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Theofilos A. Papadopoulos: Department of Electrical & Computer Engineering, Democritus University of Thrace, 67100 Xanthi, Greece
Kalliopi D. Pippi: Department of Electrical & Computer Engineering, Democritus University of Thrace, 67100 Xanthi, Greece
Georgios A. Barzegkar-Ntovom: Department of Electrical & Computer Engineering, Democritus University of Thrace, 67100 Xanthi, Greece
Eleftherios O. Kontis: School of Electrical & Computer Engineering, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
Angelos I. Nousdilis: School of Electrical & Computer Engineering, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
Christos L. Athanasiadis: Department of Electrical & Computer Engineering, Democritus University of Thrace, 67100 Xanthi, Greece
Georgios C. Kryonidis: School of Electrical & Computer Engineering, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece

Energies, 2023, vol. 16, issue 6, 1-27

Abstract: The advent of distributed renewable energy sources (DRESs) has led to the progressive transformation of traditional distribution networks to active components of the power system. This transformation, however, may jeopardize the reliable grid operation due to the advent of new technical problems, such as network overloading, over-/under-voltage events, abnormal frequency deviation and dynamic instability. In this challenging scenery, the installation of a modern measuring infrastructure has created new sources of data and information that facilitate the provision of ancillary services (ASs) via measurement-based analysis. The ACTIVATE (ancillary services in active distribution networks based on monitoring and control techniques) project aims to design innovative AS solutions for power system operators. These solutions aim to tackle the technical issues emerged by the ever-increasing DRES penetration and their volatile nature. In this context, in ACTIVATE, a holistic system is proposed comprising centralized and decentralized control features to enhance the overall network performance. Additionally, a network monitoring system is designed to support a number of online and offline dynamic analysis applications by exploiting measurements obtained at the transmission, primary and secondary distribution network. This paper presents a validation of the overall system, which is performed by using simulation and power-hardware-in-the-loop results in combined transmission and distribution network models.

Keywords: ancillary services; congestion management; distributed generation; equivalent models; measurement-based analysis techniques; mode estimation; power smoothing; voltage regulation; voltage unbalance (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
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