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Julian Freytes
Julian Freytes
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Improving small-signal stability of an MMC with CCSC by control of the internally stored energy
J Freytes, G Bergna, JA Suul, S D’Arco, F Gruson, F Colas, H Saad, ...
IEEE Transactions on Power Delivery 33 (1), 429-439, 2017
1102017
Dynamic analysis of MMC-based MTDC grids: Use of MMC energy to improve voltage behavior
J Freytes, S Akkari, P Rault, MM Belhaouane, F Gruson, F Colas, ...
IEEE transactions on power delivery 34 (1), 137-148, 2018
992018
Generalized voltage-based state-space modeling of modular multilevel converters with constant equilibrium in steady state
G Bergna-Diaz, J Freytes, X Guillaud, S D’Arco, JA Suul
IEEE Journal of Emerging and Selected Topics in Power Electronics 6 (2), 707-725, 2018
922018
On the modeling of MMC for use in large scale dynamic simulations
J Freytes, L Papangelis, H Saad, P Rault, T Van Cutsem, X Guillaud
2016 Power Systems Computation Conference (PSCC), 1-7, 2016
722016
Small-signal state-space modeling of an HVDC link with modular multilevel converters
J Freytes, S Akkari, J Dai, F Gruson, P Rault, X Guillaud
2016 IEEE 17th Workshop on Control and Modeling for Power Electronics …, 2016
592016
Grid-forming control with current limitation for MMC under unbalanced fault ride-through
J Freytes, J Li, G de Préville, M Thouvenin
IEEE Transactions on Power Delivery 36 (3), 1914-1916, 2021
442021
Small-signal stability analysis of Modular Multilevel Converters and application to MMC-based Multi-Terminal DC grids
J Freytes
L2ep - Centrale Lille, 2017
352017
Energy difference controllers for MMC without DC current perturbations
K Shinoda, J Freytes, A Benchaib, J Dai, H Saad, X Guillaud
The 2nd International Conference on HVDC (HVDC2016), 2016
272016
Dynamic impact of MMC controllers on DC voltage droop controlled MTDC grids
J Freytes, P Rault, F Gruson, F Colas, X Guillaud
2016 18th European Conference on Power Electronics and Applications (EPE'16 …, 2016
262016
Losses estimation method by simulation for the modular multilevel converter
J Freytes, F Gruson, P Delarue, F Colas, X Guillaud
2015 IEEE Electrical Power and Energy Conference (EPEC), 332-338, 2015
262015
State-space modelling with steady-state time invariant representation of energy based controllers for modular multilevel converters
J Freytes, G Bergna, JA Suul, S D'Arco, H Saad, X Guillaud
2017 IEEE Manchester PowerTech, 1-7, 2017
192017
Impact of control algorithm solutions on Modular Multilevel Converters electrical waveforms and losses
F Gruson, J Freytes, S Samimi, P Delarue, X Guillaud, F Colas, ...
2015 17th European Conference on Power Electronics and Applications (EPE'15 …, 2015
182015
Optimal control design for Modular Multilevel Converters operating on multi-terminal DC Grid
MM Belhaouane, J Freytes, M Ayari, F Colas, F Gruson, NB Braiek, ...
2016 Power Systems Computation Conference (PSCC), 1-7, 2016
142016
Implementation of a dedicated control to limit adverse interaction in multi-vendor HVDC systems
P Rault, O Despouys, A Petit, H Saad, D Vozikis, S Gao, J Freytes, ...
15th IET International Conference on AC and DC Power Transmission (ACDC 2019 …, 2019
132019
Small-signal model analysis of droop-controlled modular multilevel converters with circulating current suppressing controller
J Freytes, G Bergna, JA Suul, S D'Arco, H Saad, X Guillaud
IET Digital Library, 2017
112017
Coordinated control for multi terminal DC grids connected to offshore wind farms
P Rault, J Freytes, X Guillaud, F Colas, H Saad, O Despouys, S Nguefeu
2016 IEEE 17th Workshop on Control and Modeling for Power Electronics …, 2016
92016
Analysis of MMC dynamics in DQZ coordinates for vertical and horizontal energy balancing control
G Bergna-Diaz, J Freytes, X Guillaud, SD Arco, JA Suul
IECON 2018-44th Annual Conference of the IEEE Industrial Electronics Society …, 2018
62018
Simplified model of droop-controlled MTDC grid-influence of MMC energy management on DC system dynamics
J Freytes, F Gruson, F Colas, P Rault, H Saad, X Guillaud
2018 Power Systems Computation Conference (PSCC), 1-7, 2018
62018
First recommendations to enhance interoperability in HVDC-VSC multivendor schemes
O Despouys, A Petit, P Rault, T Larsson, K Hämynen, M Zeller, ...
Best Paths Project, Tech. Rep. D 4, 2016
52016
Dual control structure of modular multilevel converters for power system support
AE Leon, J Freytes
IEEE Systems Journal 16 (1), 1602-1605, 2021
42021
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