182 citations · 579 across the 28 of their papers we have counts for
28 papers
Online Optimization in Power Systems with High Penetration of Renewable Generation: Advances and Prospects
Zhaojian Wang, Wei Wei, John Zhen Fu Pang +4
Traditionally, offline optimization of power systems is acceptable due to the largely predictable loads and reliable generation. The increasing penetration of fluctuating renewable…
Approaching Prosumer Social Optimum via Energy Sharing with Proof of Convergence
Yue Chen, Changhong Zhao, Steven H. Low +1
With the advent of prosumers, the traditional centralized operation may become impracticable due to computational burden, privacy concerns, and conflicting interests. In this paper…
Buy or Sell? Energy Sharing of Prosumers on Constrained Networks
Yue Chen, Shengwei Mei, Wei Wei +3
The advent of intelligent agents who produce and consume energy by themselves has led the smart grid into the era of "prosumer", offering the energy system and customers a unique o…
An Energy Sharing Game with Generalized Demand Bidding: Model and Properties
Yue Chen, Shengwei Mei, Fengyu Zhou +3
This paper proposes a novel energy sharing mechanism for prosumers who can produce and consume. Different from most existing works, the role of individual prosumer as a seller or b…
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…
Resilience Control of DC Shipboard Power Systems
Jia Li, Feng Liu, Ying Chen +4
Direct current (DC) network has been recognized as a promising technique, especially for shipboard power systems (SPSs). Fast resilience control is required for an SPS to survive a…
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…
Mitigating Blackout Risk via Maintenance : Inference from Simulation Data
Jinpeng Guo, Feng Liu, Xuemin Zhang +2
Whereas maintenance has been recognized as an important and effective means for risk management in power systems, it turns out to be intractable if cascading blackout risk is consi…
Quantifying the Influence of Component Failure Probability on Cascading Blackout Risk
Jinpeng Guo, Feng Liu, Jianhui Wang +2
The risk of cascading blackouts greatly relies on failure probabilities of individual components in power grids. To quantify how component failure probabilities (CFP) influences bl…
Impacts and Benefits of UPFC to Wind Power Integration in Unit Commitment
Jia Li, Feng Liu, Zuyi Li +2
Unified Power Flow Controller (UPFC) is recognized as the most powerful flexible AC transmission systems (FACTS) device for power system operation. This paper addresses how UPFC ex…
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…
Optimal Power Flow in Stand-alone DC Microgrids
Jia Li, Feng Liu, Zhaojian Wang +2
Direct-current microgrids (DC-MGs) can operate in either grid-connected or stand-alone mode. In particular, stand-alone DC-MG has many distinct applications. However, the optimal p…
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…
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…
Efficient Simulation of Temperature Evolution of Overhead Transmission Lines Based on Analytical Solution and NWP
Rui Yao, Kai Sun, Feng Liu +1
Transmission lines are vital components in power systems. Tripping of transmission lines caused by over-temperature is a major threat to the security of system operations, so it is…
Robust Coordinated Transmission and Generation Expansion Planning Considering Ramping Requirements and Construction Periods
Jia Li, Zuyi Li, Feng Liu +4
Two critical issues have arisen in transmission expansion planning with the rapid growth of wind power generation. First, severe power ramping events in daily operation due to the…
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…
Strategic Bidding and Equilibria in Coupled Gas and Electricity Markets
Cheng Wang, Wei Wei, Jianhui Wang +2
The wide adoption of gas fired units and power-to-gas technology brings remarkable interdependency between natural gas and electricity infrastructures. This paper studies the equil…
Robust Defense Strategy for Gas-Electric Systems Against Malicious Attacks
Cheng Wang, Wei Wei, Jianhui Wang +4
This paper proposes a methodology to identify and protect vulnerable components of connected gas and electric infrastructures from malicious attacks, and to guarantee a resilient o…
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…
Admissible Region of Large-Scale Uncertain Wind Generation Considering Small-Signal Stability of Power System
Yanfei Pan, Shengwei Mei, Wei Wei +3
The increasing integration of wind generation has brought great challenges to small-signal stability analysis of bulk power systems, since the volatility and uncertainty nature of…
Robust Unit Commitment Considering Strategic Wind Generation Curtailment
Cheng Wang, Feng Liu, Feng Qiu +3
Wind generation is traditionally treated as a non-dispatchable resource and is fully absorbed unless there are security issues. To tackle the operational reliability issues caused…