80 citations · 267 across the 19 of their papers we have counts for
19 papers
Data-Driven Distributed Stability Certification for Power Systems via Input-State Trajectories
Xiaohui Zhang, Liaoyuan Yang, Peng Yang
This article proposes a data-driven framework to verify the distributed conditions that guarantee the system-wide stability for interconnected power systems. To guarantee system wi…
AI-Based Autonomous Line Flow Control via Topology Adjustment for Maximizing Time-Series ATCs
Tu Lan, Jiajun Duan, Bei Zhang +4
This paper presents a novel AI-based approach for maximizing time-series available transfer capabilities (ATCs) via autonomous topology control considering various practical constr…
Community Microgrid Planning Considering Building Thermal Dynamics
Xiaohu Zhang, Desong Bian, Di Shi +2
In this paper, the building thermal dynamic characteristics are introduced in the community microgrid (MG) planning model. The proposed planning model is formulated as a mixed inte…
A Deep Reinforcement Learning Based Approach for Optimal Active Power Dispatch
Jiajun Duan, Haifeng Li, Xiaohu Zhang +6
The stochastic and dynamic nature of renewable energy sources and power electronic devices are creating unique challenges for modern power systems. One such challenge is that the c…
Autonomous Voltage Control for Grid Operation Using Deep Reinforcement Learning
Ruisheng Diao, Zhiwei Wang, Di Shi +3
Modern power grids are experiencing grand challenges caused by the stochastic and dynamic nature of growing renewable energy and demand response. Traditional theoretical assumption…
Adaptive Online Learning with Momentum for Contingency-based Voltage Stability Assessment
Zhijie Nie, Xiaohu Zhang, Xiaoying Zhao +4
Voltage stability refers to the ability of a power system to maintain acceptable voltages among all buses under normal operating conditions and after a disturbance. In this paper,…
Optimal Energy Management for Commercial Buildings Considering Comprehensive Comfort Levels in a Retail Electricity Market
Zheming Liang, Desong Bian, Xiaohu Zhang +3
Demand response has been implemented by distribution system operators to reduce peak demand and mitigate contingency issues on distribution lines and substations. Specifically, the…
Optimal Allocation of Series FACTS Devices Under High Penetration of Wind Power Within a Market Environment
Xiaohu Zhang, Di Shi, Zhiwei Wang +4
Series FACTS devices are one of the key enablers for very high penetration of renewables due to their capabilities in continuously controlling power flows on transmission lines. Th…
Networked Microgrids for Improving Economics and Resiliency
Guodong Liu, Tomas B. Ollis, Bailu Xiao +2
In this paper, we propose networked microgrids to facilitate the integration of variable renewable generation and improve the economics and resiliency of electricity supply in micr…
Sensitivity Based Thevenin Index for Voltage Stability Assessment Considering N-1 Contingency
Xiaohu Zhang, Di Shi, Xiao Lu +3
This paper proposes an approach to address the voltage stability assessment (VSA) considering N-1 contingency. The approach leverages the sensitivity based Thevenin index (STI) whi…
A Robust Power Grid Defense Model Considering Load Demand and Wind Generation Uncertainties
Yingmeng Xiang, Xiaohu Zhang, Di Shi +3
It is a major task to develop effective strategies for defending the power system against deliberate attacks. It is critical to comprehensively consider the human-related and envir…
Optimal Allocation of Series FACTS Devices in Large Scale Systems
Xiaohu Zhang, Kevin Tomsovic, Aleksandar Dimitrovski
Series FACTS devices, such as the variable series reactor (VSR), have the ability to continuously regulate the transmission line reactance so as to control power flow. This paper p…
The Allocation of a Variable Series Reactor Considering AC Constraints and Contingencies
Xiaohu Zhang, Chunlei Xu, Di Shi +5
The Variable Series Reactors (VSRs) can efficiently control the power flow through the adjustment of the line reactance. When they are appropriately allocated in the power network,…
Bilevel Optimization Based Transmission Expansion Planning Considering Phase Shifting Transformer
Xiaohu Zhang, Di Shi, Zhiwei Wang +4
In this paper, the phase shifting transformer (PST) is introduced in the Transmission Expansion Planning (TEP) problem considering significant wind power integration. The proposed…
A Distributed Cooperative Control Framework for Synchronized Reconnection of a Multi-Bus Microgrid
Di Shi, Xi Chen, Zhiwei Wang +4
One critical value microgrids bring to power systems is resilience, the capability of being able to island from the main grid under certain conditions and connect back when necessa…
Online Calibration of Phasor Measurement Unit Using Density-Based Spatial Clustering
Xinan Wang, Di Shi, Zhiwei Wang +4
Data quality of Phasor Measurement Unit (PMU) is receiving increasing attention as it has been identified as one of the limiting factors that affect many wide-area measurement syst…
Optimal Investment on Series FACTS Devices Considering Contingencies
Xiaohu Zhang, Kevin Tomsovic, Aleksandar Dimitrovski
Series FACTS devices are capable of relieving congestion and reducing generation costs in the power system. This paper proposes a planning model to optimally allocate TCSCs in the…
Optimal Allocation of Static Var Compensator via Mixed Integer Conic Programming
Xiaohu Zhang, Di Shi, Zhiwei Wang +4
Shunt FACTS devices, such as, a Static Var Compensator (SVC), are capable of providing local reactive power compensation. They are widely used in the network to reduce the real pow…
Security Constrained Multi-Stage Transmission Expansion Planning Considering a Continuously Variable Series Reactor
Xiaohu Zhang, Kevin Tomsovic, Aleksandar Dimitrovski
This paper introduces a Continuously Variable Series Reactor (CVSR) to the transmission expansion planning (TEP) problem. The CVSR is a FACTS-like device which has the capability o…