activity
20222026
most citedConditions for Estimation of Sensitivities of Voltage Magnitudes to Complex Power Injections

14 citations · 14 across the 14 of their papers we have counts for

collaborators

17 papers

eess.SY2026

Interactive Power Flow in the Browser

Samuel Talkington, Frederik Geth, Qian Zhang +2

This paper introduces tellegen, an open source framework for interactive power flow (PF) and optimal power flow (OPF) studies that run in the browser. This provides intuitive and d…

eess.SY2026

Congestion Structure and Exceedance Bounds for Locational Marginal Emissions

Cameron Khanpour, Samuel Talkington, Daniel K. Molzahn

Locational marginal emissions (LMEs) give the sensitivity of total operating carbon emissions to nodal power demand. We show that this vector with entries has a much smaller in…

cs.CR2026

Grid Trouble in Paradise: Uncovering Vulnerable Distributed Energy Resources and Their Grid-Level Risks

Anna Raymaker, Samuel Talkington, Zeezoo Ryu +8

Grid-connected solar distributed energy resources (DERs), such as solar inverters and monitoring platforms, have been deployed at unprecedented scale over the past few years, with…

eess.SY2026

Zero-Sum Power Factor Games

Cameron Khanpour, Samuel Talkington, Mathieu Dahan +1

Variable active power injections arising from device behavior or compromised dispatch complicate voltage regulation in electric power networks with distributed energy resources (DE…

quant-ph2026

Proving the Limits of Quantum Power Flow

Cameron Khanpour, Samuel Talkington

This letter proves realistic grid properties limit the applicability of quantum computers for power flow. Grids that split into two large regions meeting at only a few buses, commo…

eess.SY2026

Making Every Bit Count for -Optimal State Estimation

Cameron Khanpour, Daniel Turizo, Samuel Talkington

We study the problem of controlling how a limited communication bandwidth budget is allocated across heterogeneously quantized sensor measurements. The performance criterion is the…

math.OC2025

Efficient Network Reconfiguration by Randomized Switching

Samuel Talkington, Dmitrii M. Ostrovskii, Daniel K. Molzahn

We present an algorithm that efficiently computes nearly-optimal solutions to a class of combinatorial reconfiguration problems on weighted, undirected graphs. Inspired by societal…

eess.SY2025

Differentiating Through Power Flow Solutions for Admittance and Topology Control

Samuel Talkington, Daniel Turizo, Sergio A. Dorado-Rojas +2

The power flow equations relate bus voltage phasors to power injections via the network admittance matrix. These equations are central to the key operational and protection functio…

eess.SY2025

Admittance Matrix Concentration Inequalities for Understanding Uncertain Power Networks

Samuel Talkington, Cameron Khanpour, Rahul K. Gupta +5

This paper presents conservative probabilistic bounds for the spectrum of the admittance matrix and classical linear power flow models under uncertain network parameters; for examp…

eess.SY2025

Error Bounds for Radial Network Topology Learning from Quantized Measurements

Samuel Talkington, Aditya Rangarajan, Pedro A. de Alcântara +3

We probabilistically bound the error of a solution to a radial network topology learning problem where both connectivity and line parameters are estimated. In our model, data error…

cs.CY2025

VArsity: Can Large Language Models Keep Power Engineering Students in Phase?

Samuel Talkington, Daniel K. Molzahn

This paper provides an educational case study regarding our experience in deploying ChatGPT Large Language Models (LLMs) in the Spring 2025 and Fall 2023 offerings of ECE 4320: Pow…

eess.SY2024

Strategic Electric Distribution Network Sensing via Spectral Bandits

Samuel Talkington, Rahul Gupta, Richard Asiamah +2

Despite their wide-scale deployment and ability to make accurate high-frequency voltage measurements, communication network limitations have largely precluded the use of smart mete…

eess.SY2024

Locational marginal burden: Quantifying the equity of optimal power flow solutions

Samuel Talkington, Amanda West, Rabab Haider

Fair distribution of benefits in electric power systems is a pertinent energy policymaking problem; however, these efforts cannot be easily quantified in power system engineering s…

math.OC2023

Managing Vehicle Charging During Emergencies via Conservative Distribution System Modeling

Alejandro D. Owen Aquino, Samuel Talkington, Daniel K. Molzahn

Combinatorial distribution system optimization problems, such as scheduling electric vehicle (EV) charging during evacuations, present significant computational challenges. These c…

eess.SP2023

Phase Retrieval via Model-Free Power Flow Jacobian Recovery

Samuel Talkington, Santiago Grijalva

Phase retrieval is a prevalent problem in digital signal processing and experimental physics that consists of estimating a complex signal from magnitude measurements. This paper ex…

eess.SY2023★ 14 cited

Conditions for Estimation of Sensitivities of Voltage Magnitudes to Complex Power Injections

Samuel Talkington, Daniel Turizo, Santiago Grijalva +2

Voltage phase angle measurements are often unavailable from sensors in distribution networks and transmission network boundaries. Therefore, this paper addresses the conditions for…

eess.SY2022

A Data-Driven Sensor Placement Approach for Detecting Voltage Violations in Distribution Systems

Paprapee Buason, Sidhant Misra, Samuel Talkington +1

Stochastic fluctuations in power injections from distributed energy resources (DERs) combined with load variability can cause constraint violations (e.g., exceeded voltage limits)…