57 citations · 192 across the 39 of their papers we have counts for
23 papers · 1 filter
Unsupervised Congestion Status Identification Using LMP Data
Kedi Zheng, Qixin Chen, Yi Wang +2
Having a better understanding of how locational marginal prices (LMPs) change helps in price forecasting and market strategy making. This paper investigates the fundamental distrib…
A Preliminary Study on the Role of Energy Storage and Load Rationing in Mitigating the Impact of the 2021 Texas Power Outage
Ali Menati, Le Xie
In February 2021, an unprecedented winter storm swept across the U.S., severely affecting the Texas power grid, leading to more than 4.5 million customers' electricity service inte…
PyProD: A Machine Learning-Friendly Platform for Protection Analytics in Distribution Systems
Dongqi Wu, Dileep Kalathil, Miroslav Begovic +1
This paper introduces PyProD, a Python-based machine learning (ML)-compatible test-bed for evaluating the efficacy of protection schemes in electric distribution grids. This testbe…
An Efficient Network Solver for Dynamic Simulation of Power Systems Based on Hierarchical Inverse Computation and Modification
Lu Zhang, Bin Wang, Vivek Sarin +3
In power system dynamic simulation, up to 90% of the computational time is devoted to solve the network equations, i.e., a set of linear equations. Traditional approaches are based…
Two-stage Robust Energy Storage Planning with Probabilistic Guarantees: A Data-driven Approach
Chao Yan, Xinbo Geng, Zhaohong Bie +1
This paper addresses a central challenge of jointly considering shorter-term (e.g. hourly) and longer-term (e.g. yearly) uncertainties in power system planning with increasing pene…
Transient Stability Assessment of Networked Microgrids Using Neural Lyapunov Methods
Tong Huang, Sicun Gao, Le Xie
This paper proposes a novel transient stability assessment tool for networked microgrids based on neural Lyapunov methods. Assessing transient stability is formulated as a problem…
Detection of Cyber Attacks in Renewable-rich Microgrids Using Dynamic Watermarking
Tong Huang, Bin Wang, Jorge Ramos-Ruiz +3
This paper presents the first demonstration of using an active mechanism to defend renewable-rich microgrids against cyber attacks. Cyber vulnerability of the renewable-rich microg…
Probabilistic Hosting Capacity Analysis via Bayesian Optimization
Xinbo Geng, Lang Tong, Anirban Bhattacharya +2
This paper studies the probabilistic hosting capacity analysis (PHCA) problem in distribution networks considering uncertainties from distributed energy resources (DERs) and reside…
A Holistic Framework for Parameter Coordination of Interconnected Microgrids against Disasters
Tong Huang, Hongbo Sun, Kyeong Jin Kim +2
This paper proposes a holistic framework for parameter coordination of a power electronic-interfaced microgrid interconnection against natural disasters. The paper identifies a tra…
Searching for the Shortest Path to the Point of Voltage Collapse on the Algebraic Manifold
Dan Wu, Franz-Erich Wolter, Bin Wang +1
Voltage instability is one of the main causes of power system blackouts. Emerging technologies such as renewable energy integration, distributed energy resources and demand respons…
A Modal-Space Method for Online Power System Steady-State Stability Monitoring
Bin Wang, Le Xie, Slava Maslennikov +3
This paper proposes a novel approach to estimate the steady-state angle stability limit (SSASL) by using the nonlinear power system dynamic model in the modal space. Through two li…
A Smart Meter Data-driven Distribution Utility Rate Model for Networks with Prosumers
Athindra Venkatraman, Anupam Thatte, Le Xie
Distribution grids across the world are undergoing profound changes due to advances in energy technologies. Electrification of the transportation sector and the integration of Dist…
Deep Reinforcement Learning-BasedRobust Protection in DER-Rich Distribution Grids
Dongqi Wu, Dileep Kalathil, Miroslav Begovic +1
This paper introduces the concept of Deep Reinforcement Learning based architecture for protective relay design in power distribution systems with many distributed energy resources…
Chance-constrained Unit Commitment via the Scenario Approach
Xinbo Geng, Le Xie
Keeping the balance between supply and demand is a fundamental task in power system operational planning practices. This task becomes particularly challenging due to the deepening…
Computing Essential Sets for Convex and Non-convex Scenario Problems: Theory and Application
Xinbo Geng, Le Xie, M. Sadegh Modarresi
The scenario approach is a general data-driven algorithm to chance-constrained optimization. It seeks the optimal solution that is feasible to a carefully chosen number of scenario…
Nested Reinforcement Learning Based Control for Protective Relays in Power Distribution Systems
Dongqi Wu, Xiangtian Zheng, Dileep Kalathil +1
This paper envisions a new control architecture for the protective relay setting in future power distribution systems. With deepening penetration of distributed energy resources at…
False Analog Data Injection Attack Towards Topology Errors: Formulation and Feasibility Analysis
Yuqi Zhou, Jorge Cisneros-Saldana, Le Xie
In this paper, we propose a class of false analog data injection attack that can misguide the system as if topology errors had occurred. By utilizing the measurement redundancy wit…
Distributed Mixed Voltage Angle and Frequency Droop Control of Microgrid Interconnections with Loss of Distribution-PMU Measurements
S Sivaranjani, Etika Agarwal, Vijay Gupta +2
Recent advances in distribution-level phasor measurement unit (D-PMU) technology have enabled the use of voltage phase angle measurements for direct load sharing control in distrib…
Mixed Voltage Angle and Frequency Droop Control for Transient Stability of Interconnected Microgrids with Loss of PMU Measurements
S Sivaranjani, Etika Agarwal, Le Xie +2
We consider the problem of guaranteeing transient stability of a network of interconnected angle droop controlled microgrids, where voltage phase angle measurements from phasor mea…
An Online Detection Framework for Cyber Attacks on Automatic Generation Control
Tong Huang, Bharadwaj Satchidanandan, P. R. Kumar +1
We propose an online framework to detect cyber attacks on Automatic Generation Control (AGC). A cyber at- tack detection algorithm is designed based on the approach of Dynamic Wate…
Learning the LMP-Load Coupling From Data: A Support Vector Machine Based Approach
Xinbo Geng, Le Xie
This paper investigates the fundamental coupling between loads and locational marginal prices (LMPs) in security-constrained economic dispatch (SCED). Theoretical analysis based on…
The ISO Problem: Decentralized Stochastic Control via Bidding Schemes
Rahul Singh, P. R. Kumar, Le Xie
We consider a smart-grid connecting several agents, modeled as stochastic dynamical systems, who may be electricity consumers/producers. At each discrete time instant, which may re…
A Theory for the Operation of the Independent System Operator in a Smart Grid with Stochastic Renewables, Demand Response and Storage
Rahul Singh, Ke Ma, Anupam Thatte +2
In this paper, we address a key issue of designing architectures and algorithms which generate optimal demand response in a decentralized manner for a smart-grid consisting of seve…