Search Results for author: Amritanshu Pandey

Found 18 papers, 4 papers with code

Distributed Primal-Dual Interior Point Framework for Analyzing Infeasible Combined Transmission and Distribution Grid Networks

no code implementations22 Sep 2024 Muhammad Hamza Ali, Amritanshu Pandey

The proliferation of distributed energy resources has heightened the interactions between transmission and distribution (T&D) systems, necessitating novel analyses for the reliable operation and planning of interconnected T&D networks.

Unlearning Climate Misinformation in Large Language Models

no code implementations29 May 2024 Michael Fore, Simranjit Singh, Chaehong Lee, Amritanshu Pandey, Antonios Anastasopoulos, Dimitrios Stamoulis

Misinformation regarding climate change is a key roadblock in addressing one of the most serious threats to humanity.

Misinformation RAG +1

Circuit-theoretic Joint Parameter-State Estimation -- Balancing Optimality and AC Feasibility

no code implementations16 Apr 2024 Peng Sang, Amritanshu Pandey

AC State Estimation (ACSE) is widely recognized as a practical approach for determining the grid states in steady-state conditions.

Anomaly Detection in Power Grids via Context-Agnostic Learning

no code implementations11 Apr 2024 Sangwoo Park, Amritanshu Pandey

Given time-series measurement values coming from a fixed set of sensors on the grid, can we identify anomalies in the network topology or measurement data?

Anomaly Detection

ANOCA: AC Network-aware Optimal Curtailment Approach for Dynamic Hosting Capacity

1 code implementation26 Mar 2024 Emmanuel O. Badmus, Amritanshu Pandey

Most of these DHC algorithms utilize the concept of operating envelopes (OE), where the utility gives prosumers technical power export limits, and they are free to export power within these limits.

Optimization-based Framework for Selecting Under-frequency Load Shedding Parameters

no code implementations9 Jan 2024 Waheed Owonikoko, Mazen Elsaadany, Amritanshu Pandey, Mads R. Almassalkhi

High penetration of renewable resources results in a power system with lower inertia and higher frequency sensitivity to power imbalances.

Towards Energysheds: A Technical Definition and Cooperative Framework for Future Power System Operations

no code implementations27 Nov 2023 Dakota Hamilton, Samuel Chevalier, Amritanshu Pandey, Mads Almassalkhi

There is growing interest in understanding how interactions between system-wide objectives and local community decision-making will impact the clean energy transition.

Decision Making

Tutorial: Circuit-based Electromagnetic Transient Simulation

1 code implementation23 Dec 2022 Amritanshu Pandey

The growing penetration of inverter-based resources and associated controls necessitates system-wide electromagnetic transient (EMT) analyses.

Continuous Switch Model and Heuristics for Mixed-Integer Problems in Power Systems

no code implementations29 Jun 2022 Aayushya Agarwal, Amritanshu Pandey, Larry Pillegi

In this work, we map the MINLP decision problem into a set of equivalent circuits by representing binary variables with a circuit-based continuous switch model.

Towards Practical Physics-Informed ML Design and Evaluation for Power Grid

1 code implementation7 May 2022 Shimiao Li, Amritanshu Pandey, Larry Pileggi

This work formalizes a new concept of physical interpretability which assesses how a ML model makes predictions in a physically meaningful way and introduces an evaluation methodology that identifies a set of attributes that a practical method should satisfy.

Circuit-theoretic Line Outage Distribution Factor

no code implementations16 Apr 2022 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.

A Risk-Managed Steady-State Analysis to Assess the Impact of Power Grid Uncertainties

no code implementations19 Nov 2021 Naeem Turner-Bandele, Amritanshu Pandey, Larry Pileggi

Electricity systems are experiencing increased effects of randomness and variability due to emerging stochastic assets.

A Convex Method of Generalized State Estimation using Circuit-theoretic Node-breaker Model

no code implementations29 Sep 2021 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-attack, can often result in topology errors.

Practical Adoption of Cloud Computing in Power Systems- Drivers, Challenges, Guidance, and Real-world Use Cases

no code implementations31 Jul 2021 Song Zhang, Amritanshu Pandey, Xiaochuan Luo, Maggy Powell, Ranjan Banerji, Lei Fan, Abhineet Parchure, Edgardo Luzcando

Motivated by The Federal Energy Regulatory Commission's (FERC) recent direction and ever-growing interest in cloud adoption by power utilities, a Task Force was established to assist power system practitioners with secure, reliable and cost-effective adoption of cloud technology to meet various business needs.

Cloud Computing

Analytical Inverter-Based Distributed Generator Model for Power Flow Analysis

no code implementations9 Jul 2021 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.

Position

Combined Transmission and Distribution State-Estimation for Future Electric Grids

no code implementations14 May 2021 Amritanshu Pandey, Shimiao Li, Larry Pileggi

Instead, a more distributed yet coordinated approach for grid operation and control will emerge that models and analyzes the grid with a larger footprint and deeper hierarchy to unify control of disparate T&D grid resources under a common framework.

Fast AC Steady-State Power Grid Simulation and Optimization Using Prior Knowledge

no code implementations17 Mar 2021 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 solvers, and stochastic power flow.

valid

Dynamic Graph-Based Anomaly Detection in the Electrical Grid

1 code implementation30 Dec 2020 Shimiao Li, Amritanshu Pandey, Bryan Hooi, Christos Faloutsos, Larry Pileggi

Given sensor readings over time from a power grid, how can we accurately detect when an anomaly occurs?

Anomaly Detection

Cannot find the paper you are looking for? You can Submit a new open access paper.