Review of challenges and research opportunities for voltage control in smart grids

H Sun, Q Guo, J Qi, V Ajjarapu, R Bravo… - … on Power Systems, 2019 - ieeexplore.ieee.org
In this paper, we review the emerging challenges and research opportunities for voltage
control in smart grids. For transmission grids, the voltage control for accommodating wind …

Grid integrated renewable DG systems: A review of power quality challenges and state‐of‐the‐art mitigation techniques

M Bajaj, AK Singh - International Journal of Energy Research, 2020 - Wiley Online Library
Increased energy demands due to rapid industrialization, environmental concerns with fossil
fuel–based generation, diminishing fossil energy resources, transmission network …

MPC-based coordinated voltage regulation for distribution networks with distributed generation and energy storage system

Y Guo, Q Wu, H Gao, X Chen… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
This paper presents a model predictive control (MPC)-based coordinated voltage control
scheme for distribution networks with high penetration of distributed generation (DG) and …

Cyber-physical modeling and cyber-contingency assessment of hierarchical control systems

S **n, Q Guo, H Sun, B Zhang, J Wang… - IEEE Transactions on …, 2015 - ieeexplore.ieee.org
Online closed-loop hierarchical control systems (HCSs) are widely used in power-system
operation. Like typical cyber-physical systems, the contingencies on the cyber side of an …

Fully distributed hierarchical control of parallel grid-supporting inverters in islanded AC microgrids

Z Li, C Zang, P Zeng, H Yu, S Li - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
In this paper, a fully distributed hierarchical control strategy is proposed for operating
networked gridsupporting inverters (GSIs) in islanded ac microgrids (MGs). The primary …

Artificial emotional deep Q learning for real-time smart voltage control of cyber-physical social power systems

L Yin, X He - Energy, 2023 - Elsevier
The volatility of renewable energy leads to numerous voltage changes in a short period, thus
affecting the quality of the power supply. A real-time smart voltage control framework of …

Distributed coordinated voltage control for distribution networks with DG and OLTC based on MPC and gradient projection

W Jiao, J Chen, Q Wu, C Li, B Zhou… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
This paper proposes a distributed coordinated voltage control scheme for distribution
networks with distributed generation (DG) and on-load tap changer (OLTC). In this scheme …

Approximate linear power flow using logarithmic transform of voltage magnitudes with reactive power and transmission loss consideration

Z Li, J Yu, QH Wu - IEEE Transactions on Power Systems, 2017 - ieeexplore.ieee.org
Alternating current (ac) power flow (PF) presents difficulties for power system analysis and
optimization due to its nonlinearity. Progress has been made to approximately linearize ac …

Real-time volt/var control in active distribution networks with data-driven partition method

X Sun, J Qiu, J Zhao - IEEE Transactions on Power Systems, 2020 - ieeexplore.ieee.org
The penetration of photovoltaics (PVs) and electric vehicles (EVs) is increasing in active
distribution networks (ADN), which may lead to severe voltage violation problems. This …

A linear branch flow model for radial distribution networks and its application to reactive power optimization and network reconfiguration

T Yang, Y Guo, L Deng, H Sun… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
This article presents a cold-start linear branch flow model named modified DistFlow. In
modified DistFlow, the active and reactive power are replaced by their ratios to voltage …