20 citations · 50 across the 24 of their papers we have counts for
8 papers · 1 filter
Analyzing Distribution Transformer Degradation with Increased Power Electronic Loads
Bhaskar Mitra, Ankit Singhal, Soumya Kundu +1
The influx of non-linear power electronic loads into the distribution network has the potential to disrupt the existing distribution transformer operations. They were not designed…
Optimization-Based Resiliency Verification in Microgrids via Maximal Adversarial Set Characterization
Nawaf Nazir, Thiagarajan Ramachandran, Saptarshi Bhattacharya +3
Critical energy infrastructures are increasingly relying on advanced sensing and control technologies for efficient and optimal utilization of flexible energy resources. Algorithmi…
Distributed Transient Safety Verification via Robust Control Invariant Sets: A Microgrid Application
Jean-Baptiste Bouvier, Sai Pushpak Nandanoori, Melkior Ornik +1
Modern safety-critical energy infrastructures are increasingly operated in a hierarchical and modular control framework which allows for limited data exchange between the modules.…
Graph Neural Network and Koopman Models for Learning Networked Dynamics: A Comparative Study on Power Grid Transients Prediction
Sai Pushpak Nandanoori, Sheng Guan, Soumya Kundu +4
Continuous monitoring of the spatio-temporal dynamic behavior of critical infrastructure networks, such as the power systems, is a challenging but important task. In particular, ac…
Sparse Control Synthesis for Uncertain Responsive Loads with Stochastic Stability Guarantees
Sai Pushpak Nandanoori, Soumya Kundu, Jianming Lian +3
Recent studies have demonstrated the potential of flexible loads in providing frequency response services. However, uncertainty and variability in various weather-related and end-u…
Distribution System State Estimation in the Presence of High Solar Penetration
Thiagarajan Ramachandran, Andrew Reiman, Sai Pushpak Nandanoori +2
Low-to-medium voltage distribution networks are experiencing rising levels of distributed energy resources, including renewable generation, along with improved sensing, communicati…
Approximating Flexibility in Distributed Energy Resources: A Geometric Approach
Soumya Kundu, Karanjit Kalsi, Scott Backhaus
With increasing availability of communication and control infrastructure at the distribution systems, it is expected that the distributed energy resources (DERs) will take an activ…
Decomposition of Nonlinear Dynamical Systems Using Koopman Gramians
Zhiyuan Liu, Soumya Kundu, Lijun Chen +1
In this paper we propose a new Koopman operator approach to the decomposition of nonlinear dynamical systems using Koopman Gramians. We introduce the notion of an input-Koopman ope…