489 citations · 947 across the 38 of their papers we have counts for
20 papers · 1 filter
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…
Robust Scheduling of Virtual Power Plant under Exogenous and Endogenous Uncertainties
Yunfan Zhang, Feng Liu, Zhaojian Wang +3
Virtual power plant (VPP) provides a flexible solution to distributed energy resources integration by aggregating renewable generation units, conventional power plants, energy stor…
Synchronization Instability of Inverter-Based Generation During Asymmetrical Grid Faults
Xiuqiang He, Changjun He, Sisi Pan +2
The transient stability of traditional power systems is concerned with the ability of generators to stay synchronized with the positive-sequence voltage of the network, whether for…
Asynchrony-Resilient and Privacy-Preserving Charging Protocol for Plug-in Electric Vehicles
Yunfan Zhang, Feng Liu, Zhaojian Wang +5
The proliferation of plug-in electric vehicles (PEVs) advocates a distributed paradigm for the coordination of PEV charging. Distinct from existing primal-dual decomposition or con…
Distributed Generalized Nash Equilibrium Seeking for Energy Sharing Games
Zhaojian Wang, Feng Liu, Zhiyuan Ma +4
With the proliferation of distributed generators and energy storage systems, traditional passive consumers in power systems have been gradually evolving into the so-called "prosume…
Asynchronous Distributed Voltage Control in Active Distribution Networks
Zhaojian Wang, Feng Liu, Yifan Su +1
With the explosion of distributed energy resources (DERs), voltage regulation in distribution networks has been facing a great challenge. This paper derives an asynchronous distrib…
Toward Distributed Stability Analytics for Power Systems with Heterogeneous Bus Dynamics
Peng Yang, Feng Liu, Zhaojian Wang +3
The stability issue emerges as a growing number of diverse power apparatus connecting to the power system. The stability analysis for such power systems is required to adapt to het…
Distributed Stability Conditions for Power Systems with Heterogeneous Nonlinear Bus Dynamics
Peng Yang, Feng Liu, Zhaojian Wang +1
This paper derives distributed conditions that guarantee the system-wide stability for power systems with nonlinear and heterogeneous bus dynamics interconnected via power network.…
Towards Distributed Stability Analytics of Dynamic Power Systems: A Phasor-Circuit Theory Perspective
Peng Yang, Feng Liu, Zhaojian Wang +1
With the rapid development of renewable and distributed energies, the underlying dynamics of power systems are no longer dominated by large synchronous generators, but by numerous…
Distributed Optimal Load Frequency Control Considering Nonsmooth Cost Functions
Zhaojian Wang, Feng Liua, Changhong Zhao +2
This work addresses the distributed frequency control problem in power systems considering controllable load with a nonsmooth cost. The nonsmoothness exists widely in power systems…
Asynchronous Distributed Power Control of Multi-Microgrid Systems Based on the Operator Splitting Approach
Zhaojian Wang, Shengwei Mei, Feng Liu +2
Forming (hybrid) AC/DC microgrids (MGs) has become a promising manner for the interconnection of various kinds of distributed generators that are inherently AC or DC electric sourc…
Distributed Load-Side Control: Coping with Variation of Renewable Generations
Zhaojian Wang, Shengwei Mei, Feng Liu +2
This paper addresses the distributed frequency control problem in a multi-area power system taking into account of unknown time-varying power imbalance. Particularly, fast controll…
Distributed Optimal Frequency Control Considering a Nonlinear Network-Preserving Model
Zhaojian Wang, Feng Liu, John Z. F. Pang +2
This paper addresses the distributed optimal frequency control of power systems considering a network-preserving model with nonlinear power flows and excitation voltage dynamics. S…
Breaking Diversity Restriction: Distributed Optimal Control of Stand-alone DC Microgrids
Zhaojian Wang, Feng Liu, Ying Chen +2
Stand-alone direct current (DC) microgrids may belong to different owners and adopt various control strategies. This brings great challenge to its optimal operation due to the diff…
Risk-limiting Load Restoration for Resilience Enhancement with Intermittent Energy Resources
Zhiwen Wang, Chen Shen, Yin Xu +3
Microgrids are resources that can be used to restore critical loads after a natural disaster, enhancing resilience of a distribution network. To deal with the stochastic nature of…
Management of Cascading Outage Risk Based on Risk Gradient and Markovian Tree Search
Rui Yao, Kai Sun, Feng Liu +1
Since cascading outages are major threats to power systems, it is important to reduce the risk of potential cascading outages. In this paper, a risk management method of cascading…
Distributed Frequency Control with Operational Constraints, Part II: Network Power Balance
Zhaojian Wang, Feng Liu, Steven H. Low +2
In Part I of this paper we propose a decentralized optimal frequency control of multi-area power system with operational constraints, where the tie-line powers remain unchanged in…
Distributed Frequency Control with Operational Constraints, Part I: Per-Node Power Balance
Zhaojian Wang, Feng Liu, Steven H. Low +2
This paper addresses the distributed optimal frequency control of multi-area power system with operational constraints, including the regulation capacity of individual control area…
Towards High-Efficiency Cascading Outage Simulation and Analysis in Power Systems: A Sequential Importance Sampling Approach
Jinpeng Guo, Feng Liu, Jianhui Wang +2
This paper addresses how to improve the computational efficiency and estimation reliability in cascading outage analysis. We first formulate a cascading outage as a Markov chain wi…
Risk Assessment of Multi-timescale Cascading Outages based on Markovian Tree Search
Rui Yao, Shaowei Huang, Kai Sun +5
In the risk assessment of cascading outages, the rationality of simulation and efficiency of computation are both of great significance. To overcome the drawback of sampling-based…