Nonlinear modeling and analysis of grid-connected voltage-source converters under voltage dips

Z Yang, R Ma, S Cheng, M Zhan - IEEE Journal of Emerging …, 2020 - ieeexplore.ieee.org
In power systems, voltage-source converters (VSCs) are gradually replacing traditional
devices and dramatically changing power system dynamic behavior, as the VSC's intrinsic …

Impact of power flow direction on the stability of VSC-HVDC seen from the impedance Nyquist plot

M Amin, M Molinas, J Lyu, X Cai - IEEE Transactions on Power …, 2016 - ieeexplore.ieee.org
The high-voltage dc (HVDC) systems are appearing more and more, and it is becoming a
requirement that the HVDC voltage-source converters (VSCs) operate both as an inverter …

Stability analysis and dynamic performance evaluation of a power electronics-based DC distribution system with active stabilizer

MK Zadeh, R Gavagsaz-Ghoachani… - IEEE Journal of …, 2015 - ieeexplore.ieee.org
The stability of dc microgrids is influenced by the nonlinear behavior of the converter-
controlled loads with constant power characteristics. This nonlinear dynamic, in line with …

Discrete-time tool for stability analysis of DC power electronics-based cascaded systems

MK Zadeh, R Gavagsaz-Ghoachani… - … on Power Electronics, 2016 - ieeexplore.ieee.org
DC distribution power systems are vulnerable to instability because of the destabilizing
effect of converter-controlled constant power loads (CPLs) and input filters. Standard stability …

Impacts of grid-tied microgrid on stability and interaction of power systems considering RE uncertainties

AU Krismanto, N Mithulananthan, H Setiadi… - … Energy, Grids and …, 2021 - Elsevier
Abstract Increasing penetration of Renewable Energy (RE) based Microgrid (MG) introduces
either beneficial or detrimental effects on power system stability. Uncertain condition of RE …

Which deepness class is suited for modeling power electronics?: A guide for choosing the right model for grid-integration studies

G De Carne, M Langwasser, M Ndreko… - IEEE Industrial …, 2019 - ieeexplore.ieee.org
The high implementation of renewable energy systems (RESs) and the need to increase
transmission capacity across Europe (eg, north-south Germany) have resulted in integrated …

Analysis and mitigation of instabilities originated from DC-side resonances in VSC-HVDC systems

G Pinares, M Bongiorno - IEEE Transactions on Industry …, 2016 - ieeexplore.ieee.org
Instabilities related to dc-side resonances can occur in voltage-source-converter-based high
voltage dc (VSC-HVDC) when resonances originated in dc-transmission links coincide with …

Stability analysis of high-frequency interactions between a converter and HVDC grid resonances

T Roose, A Lekić, MM Alam… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
This paper analyzes high-frequency interactions between a Modular Multilevel Converter
(MMC) and High Voltage Direct Current (HVDC) grid resonances by studying their effect on …

Comparison of impedance model and amplitude–phase model for power-electronics-based power system

Z Yang, C Mei, S Cheng, M Zhan - IEEE Journal of Emerging …, 2019 - ieeexplore.ieee.org
Recently power electronics devices have been widely used in power systems, and the
dynamical behavior of the power system has been changing with their increasing …

Discrete-time modeling, stability analysis, and active stabilization of DC distribution systems with multiple constant power loads

MK Zadeh, R Gavagsaz-Ghoachani… - IEEE Transactions …, 2016 - ieeexplore.ieee.org
This paper presents the stability analysis of dc distributed power systems with multiple
converter-controlled loads. The load converters are tightly controlled, behaving as constant …