hal-03465507
https://centralesupelec.hal.science/hal-03465507
https://centralesupelec.hal.science/hal-03465507/document
https://centralesupelec.hal.science/hal-03465507/file/doc00033964.pdf
doi:10.3390/en14238017
[CNRS] CNRS - Centre national de la recherche scientifique
[SUP_LSS] Laboratoire des Signaux et Systèmes
[INSMI] CNRS-INSMI - INstitut des Sciences Mathématiques et de leurs Interactions
[SUP_SYSTEMES] Pôle Systèmes
[CENTRALESUPELEC] Ecole CentraleSupélec
[TDS-MACS] Réseau de recherche en Théorie des Systèmes Distribués, Modélisation, Analyse et Contrôle des Systèmes
[UNIV-PARIS-SACLAY] Université Paris-Saclay
[TEST-HALCNRS] Collection test HAL CNRS
[UNIVERSITE-PARIS-SACLAY] Université Paris-Saclay
[GS-ENGINEERING] Graduate School Sciences de l'Ingénierie et des Systèmes
[GS-COMPUTER-SCIENCE] Graduate School Computer Science
[UNIV-EIFFEL] Université Gustave Eiffel
[U-EIFFEL] Université Gustave Eiffel
Stability Analysis of Grid-Forming MMC-HVDC Transmission Connected to Legacy Power Systems
Lourenço, Luís
Perez, Filipe
Iovine, Alessio
Damm, Gilney
Monaro, Renato
Salles, Maurício
[SPI.NRJ] Engineering Sciences [physics]/Electric power
[MATH.MATH-OC] Mathematics [math]/Optimization and Control [math.OC]
ART
POWER SYSTEM STABILITY
VOLTAGE SOURCE CONVERTERS
MODULAR MULTILEVEL CONVERTER
GRIDFORMING CONVERTER
FUTURE POWER SYSTEM
HIGH-VOLTAGE DIRECT-CURRENT - HVDC
ENERGY FUNCTION STABILITY ANALYSIS
SYSTEME NON LINEAIRE
The power system is going through a change in its very foundations. More and more power converters are being integrated into the electric grid to interface renewable energy resources and in high-voltage direct-current (HVDC) transmission systems. This article presents a discussion on the stability of power systems when HVDC transmission systems based on modular multilevel converters (MMC) are connected in grid-forming (GFM) mode to the legacy power system using concepts of energy functions and Lyapunov stability theory and considering aspects of the interoperability between GFM converter technologies. As a base for the stability analysis, we review the main GFM converter technologies (droop and virtual synchronous machine), highlighting their differences. Then, we present a model using the center-of-inertia formulation for a multi-machine/multi-GFM converter power system representing a close future scenario of power systems where GFM converters might adopt different technologies. To illustrate the theoretical Lyapunov-based stability analysis, simulations performed in Matlab/Simulink showed the behavior of a 12-bus test system during a frequency disturbance that originated from the sudden connection of a load. To reflect the interoperability of different GFM technologies and the power system, scenarios with one single GFM technology and a scenario with mixed technologies were investigated. For the test system considered, the frequency response with fewer oscillations and a higher frequency nadir was obtained when all GFM converters were operated as VSMs that have a higher inertial response contribution.
2021-01-01
2021-12-15
en
Energies
MDPI