106 citations · 180 across the 29 of their papers we have counts for
14 papers · 1 filter
Power Grid Behavioral Patterns and Risks of Generalization in Applied Machine Learning
Shimiao Li, Jan Drgona, Shrirang Abhyankar +1
Recent years have seen a rich literature of data-driven approaches designed for power grid applications. However, insufficient consideration of domain knowledge can impose a high r…
Circuit-theoretic Line Outage Distribution Factor
Shimiao Li, Amritanshu Pandey, Larry Pileggi
This work presents the design of AC line outage distribution factor created from the circuit-theoretic power flow models. Experiment results are shown to demonstrate its efficacy i…
A Convex Method of Generalized State Estimation using Circuit-theoretic Node-breaker Model
Shimiao Li, Amritanshu Pandey, Larry Pileggi
An accurate and up-to-date topology is critical for situational awareness of a power grid; however, wrong switch statuses due to physical damage, communication error, or cyber-atta…
Analytical Inverter-Based Distributed Generator Model for Power Flow Analysis
Naeem Turner-Bandele, Amritanshu Pandey, Larry Pileggi
Quantifying the impact of inverter-based distributed generation (DG) sources on power-flow distribution system cases is arduous. Existing distribution system tools predominately mo…
Fast AC Steady-State Power Grid Simulation and Optimization Using Prior Knowledge
Aayushya Agarwal, Amritanshu Pandey, Larry Pileggi
Fast and accurate optimization and simulation is widely becoming a necessity for large scale transmission resiliency and planning studies such as N-1 SCOPF, batch contingency solve…
A WLAV-based Robust Hybrid State Estimation using Circuit-theoretic Approach
Shimiao Li, Amritanshu Pandey, Larry Pileggi
For reliable and secure power grid operation, AC state-estimation (ACSE) must provide certain guarantees of convergence while being resilient against bad-data. This paper develops…
A Circuit-Theoretic Approach to State Estimation
Shimiao Li, Amritanshu Pandey, Soummya Kar +1
Traditional state estimation (SE) methods that are based on nonlinear minimization of the sum of localized measurement error functionals are known to suffer from non-convergence an…
SUGAR-R: Robust Online Restoration Platform for SCADA-Absent Grid
Amritanshu Pandey, Aayushya Agrawal, Marko Jereminov +1
Secure and fast grid restoration from a collapsed state is increasingly critical as blackouts are becoming more prevalent around the globe. Generally, the restoration of grid durin…
Implicitly Modeling Frequency Control within Power Flow
Aayushya Agarwal, Amritanshu Pandey, Marko Jereminov +1
In this paper, we extend a circuit-based, current-voltage power flow formulation to include frequency deviations and implicitly model generator primary and secondary control action…
Steady-State Simulation for Combined Transmission and Distribution Systems
Amritanshu Pandey, Larry Pileggi
The future electric grid will consist of significant penetration of renewable and distributed generation that is likely to create a homogenous transmission and distribution (T&D) s…
Robust Probabilistic Analysis of Transmission Power Systems based on Equivalent Circuit Formulation
Martin R. Wagner, Amritanshu Pandey, Marko Jereminov +1
Recent advances in steady-state analysis of power systems have introduced the equivalent split-circuit approach and corresponding continuation methods that can reliably find the co…
Aggregated Load and Generation Equivalent Circuit Models with Semi-Empirical Data Fitting
Amritanshu Pandey, Marko Jereminov, Xin Li +2
In this paper we propose a semi-empirical modeling framework for aggregated electrical load and generation using an equivalent circuit formulation. The proposed models are based on…
Improving Power Flow Robustness via Circuit Simulation Methods
Amritanshu Pandey, Marko Jereminov, Gabriela Hug +1
Recent advances in power system simulation have included the use of complex rectangular current and voltage (I-V) variables for solving the power flow and three-phase power flow pr…
Robust Convergence of Power Flow using Tx Stepping Method with Equivalent Circuit Formulation
Amritanshu Pandey, Marko Jereminov, Martin R. Wagner +2
Robust solving of critical large power flow cases (with 50k or greater buses) forms the backbone of planning and operation of any large connected power grid. At present, reliable c…