166 citations · 196 across the 20 of their papers we have counts for
21 papers
Impedance-Based VSC Unit Commitment with STATCOM Support under High IBG Penetration
Aoun Abbas, Zhongda Chu, Charalambos Konstantinou
The large-scale replacement of synchronous machines with inverter-based generation (IBG) introduces critical challenges to both voltage and frequency stability. This work builds on…
Headroom as A Grid Service in Software-Defined Power Grids: A Peak-to-Peak Control Design Approach
Zhongda Chu, Fei Teng
To address system frequency challenges driven by the integration of renewable generation, advanced control strategies are designed at the device level to provide effective frequenc…
Data-Driven Adjustable Robust Optimization
Xiaoxing Ren, Alessio Moreschini, Zhongda Chu +2
In this paper, we develop a two-stage data-driven approach to address the adjustable robust optimization problem, where the uncertainty set is adjustable to manage infeasibility ca…
Learning-Augmented Power System Operations: A Unified Optimization View
Wangkun Xu, Zhongda Chu, Fei Teng
With the increasing penetration of renewable energy and inverter-based resources, traditional physics-based power-system operation faces growing challenges in maintaining economic…
On the Incorporation of Stability Constraints into Sequential Operational Scheduling
Wangkun Xu, Zhongda Chu, Florin Capitanescu +1
With the increasing penetration of Inverter-Based Resources (IBRs), power system stability constraints must be incorporated into the operational framework, transforming it into sta…
Efficient Sampling for Data-Driven Frequency Stability Constraint via Forward-Mode Automatic Differentiation
Wangkun Xu, Qian Chen, Pudong Ge +2
Encoding frequency stability constraints in the operation problem is challenging due to its complex dynamics. Recently, data-driven approaches have been proposed to learn the stabi…
Coordinated Planning for Stability Enhancement in High IBR-Penetrated Systems
Zhongda Chu, Fei Teng
Security and stability challenges in future power systems with high penetration Inverter-Based Resources (IBR) have been anticipated as one of the main barriers to decarbonization.…
Pricing of Short Circuit Current in High IBR-Penetrated System
Zhongda Chu, Jingyi Wu, Fei Teng
With the growing penetration of Inverter-Based Resources (IBRs) in power systems, stability service markets have emerged to incentivize technologies that ensure power system stabil…
Cyber Recovery from Dynamic Load Altering Attacks: Linking Electricity, Transportation, and Cyber Networks
Mengxiang Liu, Zhongda Chu, Fei Teng
To address the increasing vulnerability of power grids, significant attention has been focused on the attack detection and impact mitigation. However, it is still unclear how to ef…
Managing the Uncertainty in System Dynamics Through Distributionally Robust Stability-Constrained Optimization
Zhongda Chu, Fei Teng
With the increasing penetration of Inverter-Based Resources (IBRs) and their impact on power system stability and operation, the concept of stability-constrained optimization has d…
Control-mode as a Grid Service in Software-defined Power Grids: GFL vs GFM
Guoxuan Cui, Zhongda Chu, Fei Teng
In power systems with high penetration of power electronics, grid-forming control is proposed to replace traditional Grid-Following Converter (GFL) in order to improve the overall…
Stability Constrained Optimization in High IBR-Penetrated Power Systems-Part II: Constraint Validation and Applications
Zhongda Chu, Fei Teng
Multiple operational constraints of power system stability are derived analytically and reformulated into Second-Order Cone (SOC) form through a unification method in Part I of thi…
Stability Constrained Optimization in High IBR-Penetrated Power Systems-Part I: Constraint Development and Unification
Zhongda Chu, Fei Teng
Conventional power system optimization framework is becoming less reliable and efficient due to the stability issues brought by the ever-increasing inverter-interfaced renewable pe…
Optimal Design of Neural Network Structure for Power System Frequency Security Constraints
Zhuoxuan Li, Zhongda Chu, Fei Teng
Recently, frequency security is challenged by high uncertainty and low inertia in power system with high penetration of Renewable Energy Sources (RES). In the context of Unit Commi…
Risk-Aware Objective-Based Forecasting in Inertia Management
Haipeng Zhang, Ran Li, Yan Chen +3
The objective-based forecasting considers the asymmetric and non-linear impacts of forecasting errors on decision objectives, thus improving the effectiveness of its downstream dec…
Scheduling of Software-Defined Microgrids for Optimal Frequency Regulation
Zhongda Chu, Guoxuan Cui, Fei Teng
Integrated with a high share of Inverter-Based Resources (IBRs), microgrids face increasing complexity of frequency dynamics, especially after unintentional islanding from the main…
Mitigating Load-Altering Attacks Against Power Grids Using Cyber-Resilient Economic Dispatch
Zhongda Chu, Subhash Lakshminarayana, Balarko Chaudhuri +1
Large-scale Load-Altering Attacks (LAAs) against Internet-of-Things (IoT) enabled high-wattage electrical appliances (e.g., wifi-enabled air-conditioners, electric vehicles, etc.)…
Voltage Stability Constrained Unit Commitment in High IBG-Penetrated Power Systems
Zhongda Chu, Fei Teng
With the increasing penetration of renewable energy sources, power system operation has to be adapted to ensure the system stability and security while considering the distinguishe…
Frequency-Constrained Resilient Scheduling of Microgrid: A Distributionally Robust Approach
Zhongda Chu, Ning Zhang, Fei Teng
In order to prevent the potential frequency instability due to the high Power Electronics (PE) penetration under an unintentional islanding event, this paper presents a novel micro…
Short Circuit Current Constrained UC in High IBG-Penetrated Power Systems
Zhongda Chu, Fei Teng
Inverter Based Generators (IBGs) have been increasing significantly in power systems. Due to the demanding thermal rating of Power Electronics (PE), their contribution to the syste…
Towards Optimal System Scheduling with Synthetic Inertia Provision from Wind Turbines
Zhongda Chu, Uros Markovic, Gabriela Hug +1
The undergoing transition from conventional to converter-interfaced renewable generation leads to significant challenges in maintaining frequency stability due to declining system…