Future low-inertia power systems: Requirements, issues, and solutions-A review

KS Ratnam, K Palanisamy, G Yang - Renewable and Sustainable Energy …, 2020 - Elsevier
The utilization of power electronic inverters in power grids has increased tremendously,
along with advancements in renewable energy sources. The usage of power electronic …

Modeling and stability issues of voltage-source converter-dominated power systems: A review

L Xiong, X Liu, Y Liu, F Zhuo - CSEE Journal of Power and …, 2020 - ieeexplore.ieee.org
With the substantive increase in the proportion of voltage-source converter (VSC)-based
equipment, traditional power systems that primarily constituted of synchronous generators …

Transient angle stability of virtual synchronous generators using Lyapunov's direct method

Z Shuai, C Shen, X Liu, Z Li… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
With an increasing number of distributed energy resources integrated into the power system,
inverters need to take on the corresponding responsibility for the security and stability of the …

Improvement of frequency regulation in VSG-based AC microgrid via adaptive virtual inertia

X Hou, Y Sun, X Zhang, J Lu, P Wang… - IEEE transactions on …, 2019 - ieeexplore.ieee.org
A virtual synchronous generator (VSG) control based on adaptive virtual inertia is proposed
to improve dynamic frequency regulation of microgrid. When the system frequency deviates …

Transient angle stability of paralleled synchronous and virtual synchronous generators in islanded microgrids

H Cheng, Z Shuai, C Shen, X Liu, Z Li… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
With the development of virtual synchronous generator (VSG) techniques, parallel
operations of synchronous generators (SGs) and VSGs become increasingly common in a …

Fault analysis of inverter-interfaced distributed generators with different control schemes

Z Shuai, C Shen, X Yin, X Liu… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
Diversification of control schemes adopted by inverter-interfaced distributed generators
(IIDGs) leads to difficulties in fault current estimation in a microgrid, which might make …

Flexible power regulation and current-limited control of the grid-connected inverter under unbalanced grid voltage faults

X Guo, W Liu, Z Lu - IEEE Transactions on Industrial Electronics, 2017 - ieeexplore.ieee.org
The grid-connected inverters may experience excessive current stress in case of
unbalanced grid voltage fault ride through (FRT), which significantly affects the reliability of …

Hierarchical structure and bus voltage control of DC microgrid

Z Shuai, J Fang, F Ning, ZJ Shen - Renewable and Sustainable Energy …, 2018 - Elsevier
Compared to AC microgrids, DC microgrids have the advantage of higher reliability and
efficiency and are convenient to connect with various distribution energy resources (DERs) …

Active power oscillation and suppression techniques between two parallel synchronverters during load fluctuations

Z Shuai, W Huang, ZJ Shen, A Luo… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
Active power oscillation is observed when two or more parallel synchronverters undergo
load fluctuations, potentially impacting the safe operation of the synchronverters. This article …

Synchronverter: A comprehensive review of modifications, stability assessment, applications and future perspectives

KR Vasudevan, VK Ramachandaramurthy… - IEEE …, 2020 - ieeexplore.ieee.org
The increase in the penetration of renewable energy sources (RES) has reduced the
effective inertia of the power system dominated by synchronous machines. The reduction in …