63 citations · 225 across the 29 of their papers we have counts for
19 papers · 1 filter
Consensus-based Frequency and Voltage Regulation for Fully Inverter-based Islanded Microgrids
Y. Cheng, Tao Liu, David J. Hill +1
This paper proposes a new distributed consensus-based control method for voltage and frequency control of fully inverter-based islanded microgrids (MGs). The proposed method includ…
Dispatch of Virtual Inertia and Damping: Numerical Method with SDP and ADMM
Tong Han, David J. Hill
Power grids are evolving toward 100% renewable energy interfaced by inverters. Virtual inertia and damping provided by inverters are essential to synchronism and frequency stabilit…
Chance Constrained Economic Dispatch Considering the Capability of Network Flexibility Against Renewable Uncertainties
Yue Song, Tao Liu, David J. Hill
This paper incorporates a continuous-type network flexibility into chance constrained economic dispatch (CCED). In the proposed model, both power generations and line susceptances…
Augmented Synchronization of Power Systems
Peng Yang, Feng Liu, Tao Liu +1
Power system transient stability has been translated into a Lyapunov stability problem of the post-disturbance equilibrium for decades. Despite substantial results, conventional th…
Hierarchical Temporal and Spatial Clustering of Uncertain and Time-varying Load Models
Xinran Zhang, David J. Hill
Load modeling is difficult due to its uncertain and time-varying properties. Through the recently proposed ambient signals load modeling approach, these properties can be more freq…
Ensuring Network Connectedness in Optimal Transmission Switching Problems
Tong Han, Yue Song, David J. Hill
Network connectedness is indispensable for the normal operation of transmission networks. However, there still remains a lack of efficient constraints that can be directly added to…
Reducing BESS Capacity for Accommodating Renewables in Subtransmission Systems with Power Flow Routers
Tianlun Chen, Albert Y. S. Lam, Yue Song +1
Widespread utilization of renewable energy sources (RESs) in subtransmission systems causes serious problems on power quality, such as voltage violations, leading to significant cu…
Robust Transient Stability Constrained Optimal Power Flow with Power Flow Routers Considering Renewable Uncertainties
Tianlun Chen, Albert Y. S. Lam, Yue Song +1
This paper proposes a robust transient stability constrained optimal power flow problem that addresses renewable uncertainties by the coordination of generation re-dispatch and pow…
Cost-Effective Bad Synchrophasor Data Detection Based on Unsupervised Time Series Data Analytics
Lipeng Zhu, David J. Hill
In modern smart grids deployed with various advanced sensors, e.g., phasor measurement units (PMUs), bad (anomalous) measurements are always inevitable in practice. Considering the…
Distributed Optimal Generation and Load-Side Control for Frequency Regulation in Power Systems
Luwei Yang, Tao Liu, Zhiyuan Tang +1
In order to deal with issues caused by the increasing penetration of renewable resources in power systems, this paper proposes a novel distributed frequency control algorithm for e…
A Hierarchical Framework for Ambient Signals based Load Modeling with Exploring the Hidden Quasi-convexity
Xinran Zhang, David J. Hill, Chao Lu +1
Load modeling is an important issue in modeling a power system. The approach of ambient signals-based load modeling (ASLM) was recently proposed to better track the time-varying ch…
-norm transmission switching to improve synchronism of low-inertia power grids
Tong Han, David J. Hill
This paper investigates the utilization of transmission switching to improve synchronization performance of low-inertia grids. The synchronization performance of power girds is fir…
Stabilization with a Specified External Gain for Linear MIMO Systems and Its Applications to Control of Networked Systems
Lijun Zhu, Zhiyong Chen, Xi Chen +1
This paper studies a stabilization problem for linear MIMO systems subject to external perturbation that further requires the closed-loop system render a specified gain from the ex…
Event-triggered controllers based on the supremum norm of sampling-induced error
Lijun Zhu, Zhiyong Chen, David J. Hill +1
The paper proposes a novel event-triggered control scheme for nonlinear systems based on the input-delay method. Specifically, the closed-loop system is associated with a pair of a…
Synchronization of Power Systems and Kuramoto Oscillators: A Regional Stability Framework
Lijun Zhu, David J. Hill
The transient stability of power systems and synchronization of non-uniform Kuramoto oscillators are closely related problems. In this paper, we develop a novel regional stability…
A Unified Framework for Wide Area Measurement System Planning
James J. Q. Yu, Albert Y. S. Lam, David J. Hill +1
Wide area measurement system (WAMS) is one of the essential components in the future power system. To make WAMS construction plans, practical models of the power network observabil…
Delay Aware Intelligent Transient Stability Assessment System
James J. Q. Yu, Albert Y. S. Lam, David J. Hill +1
Transient stability assessment is a critical tool for power system design and operation. With the emerging advanced synchrophasor measurement techniques, machine learning methods a…
A Framework for Frequency Stability Assessment of Future Power Systems: An Australian Case Study
Ahmad Shabir Ahmadyar, Shariq Riaz, Gregor Verbic +2
The increasing penetration of non-synchronous renewable energy sources (NS-RES) alters the dynamic characteristic, and consequently, the frequency behaviour of a power system. To a…
Intelligent Time-Adaptive Transient Stability Assessment System
James J. Q. Yu, David J. Hill, Albert Y. S. Lam +2
Online identification of post-contingency transient stability is essential in power system control, as it facilitates the grid operator to decide and coordinate system failure corr…