92 citations · 199 across the 30 of their papers we have counts for
23 papers · 1 filter
Extreme Scenario Characterization for High Renewable Energy Penetrated Power Systems over Long Time Scales
Kai Kang, Feng Liu, Yifan Su +1
Power systems with high renewable energy penetration are highly influenced by weather conditions, often facing significant challenges such as persistent power shortages and severe…
Optimal Control in Both Steady State and Transient Process with Unknown Disturbances
Ming Li, Zhaojian Wang, Feng Liu +2
The scheme of online optimization as a feedback controller is widely used to steer the states of a physical system to the optimal solution of a predefined optimization problem. Suc…
Distributed Emergency Frequency Control Considering Transient Stability Constraints in Multi-Infeed Hybrid AC-DC System
Ye Liu, Chen Shen, Zhaojian Wang
Due to possible emergency faults and frequency regulation reserve shortage in the multi-infeed hybrid AC-DC (MIDC) system, the emergency frequency control (EFC) with LCC-HVDC syste…
Incentive Mechanism Design for Emergency Frequency Control in Multi-Infeed Hybrid AC-DC System
Ye Liu, Chen Shen, Zhaojian Wang +1
In multi-infeed hybrid AC-DC (MIDC) systems, the emergency frequency control (EFC) with LCC-HVDC systems participating is of vital importance for system frequency stability. Nevert…
Stochastic Gradient-based Fast Distributed Multi-Energy Management for an Industrial Park with Temporally-Coupled Constraints
Dafeng Zhu, Bo Yang, Chengbin Ma +4
Contemporary industrial parks are challenged by the growing concerns about high cost and low efficiency of energy supply. Moreover, in the case of uncertain supply/demand, how to m…
Energy Management Based on Multi-Agent Deep Reinforcement Learning for A Multi-Energy Industrial Park
Dafeng Zhu, Bo Yang, Yuxiang Liu +3
Owing to large industrial energy consumption, industrial production has brought a huge burden to the grid in terms of renewable energy access and power supply. Due to the coupling…
Fast Distributed Stochastic Scheduling for A Multi-Energy Industrial Park
Dafeng Zhu, Bo Yang, Zhaojian Wang +3
The multi-energy management framework of industrial parks advocates energy conversion and scheduling, which takes full advantage of the compensation and temporal availability of mu…
Approaching the Transient Stability Boundary of a Power System: Theory and Applications
Peng Yang, Feng Liu, Wei Wei +1
Estimating the stability boundary is a fundamental and challenging problem in transient stability studies. It is known that a proper level set of a Lyapunov function or an energy f…
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…
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…
A Distributed Incremental Update Scheme for Probability Distribution of Wind Power Forecast Error
Mengshuo Jia, Chen Shen, Zhaojian Wang
Due to the uncertainty of distributed wind generations (DWGs), a better understanding of the probability distributions (PD) of their wind power forecast errors (WPFEs) can help mar…
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…
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…