106 citations · 248 across the 32 of their papers we have counts for
11 papers · 1 filter
Combined Transmission and Distribution State-Estimation for Future Electric Grids
Amritanshu Pandey, Shimiao Li, Larry Pileggi
Proliferation of grid resources on the distribution network along with the inability to forecast them accurately will render the existing methodology of grid operation and control…
A LASSO-Inspired Approach for Localizing Power System Infeasibility
Shimiao Li, Amritanshu Pandey, Aayushya Agarwal +2
A method is proposed to identify and localize the cause of network collapse with augmented power flow analysis for a grid model with insufficient resources. Owing to heavy network…
Improving Voltage Profile of the Nigerian Power Grid
Amritanshu Pandey, Aayushya Agarwal, Marko Jereminov +3
Extreme voltages at the system nodes are one of the primary causes for total and partial collapse of the Nigerian grid. In this paper, we develop a framework to re-dispatch the vol…
A Probabilistic Approach to Power System State Estimation using a Linear Algorithm
Martin R. Wagner, Marko Jereminov, Amritanshu Pandey +1
An equivalent circuit formulation for power system analysis was demonstrated to improve robustness of Power Flow and enable more generalized modeling, including that for RTUs (Remo…
Robust and Efficient Power Flow Convergence with G-min Stepping Homotopy Method
Marko Jereminov, Athanasios Terzakis, Martin Wagner +2
Recent advances have shown that the circuit simulation algorithms that allow for solving highly nonlinear circuits of over one billion variables can be applicable to power system s…
Robust Sequential Steady-State Analysis of Cascading Outages
Amritanshu Pandey, Aayushya Agarwal, Marko Jereminov +3
Simulating potential cascading failures can be useful for avoiding or mitigating such events. Currently, existing steady-state analysis tools are ill-suited for simulating cascadin…
Impact of Load Models on Power Flow Optimization
Marko Jereminov, Bryan Hooi, Amritanshu Pandey +3
Aggregated load models, such as PQ and ZIP, are used to represent the approximated load demand at specific buses in grid simulation and optimization problems. In this paper we exam…
Continuously Differentiable Analytical Models for Implicit Control within Power Flow
Aayushya Agarwal, Amritanshu Pandey, Marko Jereminov +1
Achieving robust and scalable convergence for simulation of realistic power flow cases can be challenging. One specific issue relates to the disconnected solution space that is cre…
Evaluating Feasibility within Power Flow
Marko Jereminov, David M. Bromberg, Amritanshu Pandey +2
Recent development of techniques that improve the convergence properties of power flow simulation have been demonstrated to facilitate scaling to large system sizes (80k+ buses). H…
Unified power system analyses and models using equivalent circuit formulation
Amritanshu Pandey, Marko Jereminov, Xin Li +2
In this paper we propose and demonstrate the potential for unifying models and algorithms for the steady state and transient simulation of single-phase and three-phase power system…
Robust Power Flow and Three-Phase Power Flow Analyses
Amritanshu Pandey, Marko Jereminov, Martin R. Wagner +3
Robust simulation is essential for reliable operation and planning of transmission and distribution power grids. At present, disparate methods exist for steady-state analysis of th…