Search Results for author: Xingpeng Li

Found 45 papers, 3 papers with code

N-1 Reduced Optimal Power Flow Using Augmented Hierarchical Graph Neural Network

no code implementations9 Feb 2024 Thuan Pham, Xingpeng Li

Case studies prove the proposed AHGNN and the associated N-1 ROPF are highly effective in reducing computation time while preserving solution quality, highlighting the promising potential of ML, particularly GNN in enhancing power system operations.

Power and Hydrogen Hybrid Transmission for Renewable Energy Systems: An Integrated Expansion Planning Strategy

no code implementations17 Dec 2023 Jin Lu, Xingpeng Li

This paper introduces an expansion strategy for electric power and hydrogen transmission systems, tailored for future renewable energy-enriched grids.

Transmission Planning for Climate-impacted Renewable Energy Grid: Data Preparation, Model Improvement, and Evaluation

no code implementations13 Oct 2023 Jin Lu, Xingpeng Li

As renewable energy is becoming the major resource in future grids, the weather and climate can have higher impact on the grid reliability.

Analysis of Weather and Time Features in Machine Learning-aided ERCOT Load Forecasting

no code implementations13 Oct 2023 Jonathan Yang, Mingjian Tuo, Jin Lu, Xingpeng Li

Overall, case studies demonstrated the effectiveness of ML models trained with different weather and time input features for ERCOT load forecasting.

feature selection Load Forecasting

Linearization of ReLU Activation Function for Neural Network-Embedded Optimization:Optimal Day-Ahead Energy Scheduling

no code implementations3 Oct 2023 Cunzhi Zhao, Xingpeng Li

Each method employs a set of linear constraints to replace the ReLU function, effectively linearizing the optimization problem, which can overcome the computational challenges associated with the nonlinearity of the neural network model.

Scheduling

Decentralized Micro Water-Energy Co-Optimization for Small Communities

no code implementations2 Oct 2023 Jesus Silva-Rodriguez, Xingpeng Li

The water-energy nexus encompasses the interdependencies between water and energy resources identifying the existing links between the production and distribution of these resources.

Management

Computational Enhancement for Day-Ahead Energy Scheduling with Sparse Neural Network-based Battery Degradation Model

no code implementations16 Sep 2023 Cunzhi Zhao, Xingpeng Li

To address this issue, this paper pre-sents a novel approach, introducing a linearized sparse neural network-based battery degradation model (SNNBD), specifically tailored to quantify battery degradation based on the scheduled BESS daily operational profiles.

Scheduling SENTS

Evaluation of Battery Storage to Provide Virtual Transmission Service

no code implementations13 Sep 2023 Qiushi Wang, Xingpeng Li

An immediate need in the transmission system is to find alternative solutions that improve system operation and defer the need for new transmission lines.

Scheduling

Convolutional Neural Network-based RoCoF-Constrained Unit Commitment

no code implementations6 Sep 2023 Mingjian Tuo, Xingpeng Li

This paper presents a convolutional neural network (CNN) based RoCoF-constrained unit commitment (CNN-RCUC) model to guarantee RoCoF stability following the worst generator outage event while ensuring operational efficiency.

Optimal Sizing of On-site Renewable Resources for Offshore Microgrids

no code implementations4 Aug 2023 Ann Mary Toms, Xingpeng Li, Kaushik Rajashekara

A cost optimization renewable sizing (CORS) model is proposed to optimize the sizes of the generation and storage resources.

Optimal Dynamic Reconfiguration of Distribution Networks

no code implementations3 Aug 2023 Rida Fatima, Hassan Zahid Butt, Xingpeng Li

Continuous development and upgradation of the distribution network is thus required to meet the energy demand, which poses a significant increase in cost.

Active Linearized Sparse Neural Network-based Frequency-Constrained Unit Commitment

no code implementations10 Jul 2023 Mingjian Tuo, Xingpeng Li

An active data sampling method is proposed to maintain the bindingness of the frequency related constraints.

Graph Neural Network-based Power Flow Model

no code implementations5 Jul 2023 Mingjian Tuo, Xingpeng Li, Tianxia Zhao

A comprehensive performance analysis is conducted, comparing the proposed GNN-based power flow model with the traditional DC power flow model, as well as deep neural network (DNN) and convolutional neural network (CNN).

Spatio-Temporal Deep Learning-Assisted Reduced Security-Constrained Unit Commitment

no code implementations2 Jun 2023 Arun Venkatesh Ramesh, Xingpeng Li

Security-constrained unit commitment (SCUC) is a computationally complex process utilized in power system day-ahead scheduling and market clearing.

Scheduling Temporal Sequences

Privacy-Preserving Decentralized Energy Management for Networked Microgrids via Objective-Based ADMM

no code implementations7 Apr 2023 Jesus Silva-Rodriguez, Xingpeng Li

This paper also presents a centralized energy management (CEM) model as a benchmark, and a post-processing proportional exchange algorithm (PEA) to balance the economic benefit of each microgrid.

energy management Management +1

Hierarchical Deep Learning Model for Degradation Prediction per Look-Ahead Scheduled Battery Usage Profile

no code implementations6 Mar 2023 Cunzhi Zhao, Xingpeng Li

Batteries can effectively improve the security of energy systems and mitigate climate change by facilitating wind and solar power.

energy management Management +1

Short-Term Aggregated Residential Load Forecasting using BiLSTM and CNN-BiLSTM

1 code implementation10 Feb 2023 Bharat Bohara, Raymond I. Fernandez, Vysali Gollapudi, Xingpeng Li

Using a publicly available dataset consisting of 38 homes, the BiLSTM and CNN-BiLSTM models are trained to forecast the aggregated active power demand for each hour within a 24 hr.

Load Forecasting

Cost-benefit Analysis And Comparisons For Different Offshore Wind Energy Transmission Systems

no code implementations26 Jan 2023 Jesus Silva-Rodriguez, Jin Lu, Xingpeng Li

The other two methods utilize a hydrogen supercenter (HSC) and transmit offshore energy to and onshore substation through hydrogen pipelines.

Microgrid Optimal Energy Scheduling with Risk Analysis

no code implementations4 Jan 2023 Ali Siddique, Cunzhi Zhao, Xingpeng Li

We assume the infrastructure to set up an ad-hoc microgrid is already in place for a residential neighborhood with power sources such as photovoltaic (PV), diesel, and battery energy storage system (BESS).

energy management Management +1

Machine Learning Assisted Inertia Estimation using Ambient Measurements

no code implementations21 Dec 2022 Mingjian Tuo, Xingpeng Li

The proposed LRCN and GCN based inertia estimation models achieve an accuracy of 97. 34% and 98. 15% respectively.

Quality Analysis of Battery Degradation Models with Real Battery Aging Experiment Data

no code implementations22 Nov 2022 Cunzhi Zhao, Xingpeng Li, Yan Yao

The installation capacity of energy storage system, especially the battery energy storage system (BESS), has increased significantly in recent years, which is mainly applied to mitigate the fluctuation caused by renewable energy sources (RES) due to the fast response and high round-trip energy efficiency of BESS.

Scheduling

Annual Benefit Analysis of Integrating the Seasonal Hydrogen Storage into the Renewable Power Grids

no code implementations20 Nov 2022 Jin Lu, Xingpeng Li

In this paper, an annual scheduling model (ASM) for energy hubs (EH) coupled power grids is proposed to investigate the annual benefits of seasonal hydrogen storage (SHS).

Scheduling

Selectively Linearized Neural Network based RoCoF-Constrained Unit Commitment in Low-Inertia Power Systems

no code implementations15 Nov 2022 Mingjian Tuo, Xingpeng Li

Conventional synchronous generators are gradually being replaced by inverter-based resources, such transition introduces more complicated operation conditions.

Computational Efficiency

Deep Learning based Security-Constrained Unit Commitment Considering Locational Frequency Stability in Low-Inertia Power Systems

no code implementations17 Aug 2022 Mingjian Tuo, Xingpeng Li

RoCoF predictor is trained to predict the highest locational RoCoF based on a high-fidelity simulation dataset.

A 100% Renewable Energy System: Enabling Zero CO2 Emission Offshore Platforms

no code implementations14 Aug 2022 Cunzhi Zhao, Xingpeng Li

The total electricity consumption from offshore oil/gas platforms is around 16 TWh worldwide in 2019.

Feasibility Layer Aided Machine Learning Approach for Day-Ahead Operations

no code implementations13 Aug 2022 Arun Venkatesh Ramesh, Xingpeng Li

The ML was then aided with a feasibility layer (FL) and post-process technique to ensure high-quality solutions.

Centralized Networked Micro Water-Energy Nexus with Proportional Exchange Among Participants

no code implementations5 Jul 2022 Jesus Silva-Rodriguez, Xingpeng Li

This paper proposes a Networked Micro Water-Energy Nexus (NetMicroWEN) capable of co-optimizing and simultaneously supplying water and energy to local consumers in nearby communities.

An Alternative Method for Solving Security-Constrained Unit Commitment with Neural Network Based Battery Degradation Model

no code implementations1 Jul 2022 Cunzhi Zhao, Xingpeng Li

When incorporating the NNBD model into security-constrained unit commitment (SCUC), we can establish a battery degradation based SCUC (BD-SCUC) model that can consider the equivalent battery degradation cost precisely.

Scheduling

The Benefits of Hydrogen Energy Transmission and Conversion Systems to the Renewable Power Grids: Day-ahead Unit Commitment

no code implementations28 Jun 2022 Jin Lu, Xingpeng Li

In this paper, hydrogen pipeline networks, combined with power-to-hydrogen (P2H) and hydrogen-to-power (H2P) facilities, are organized to form a Hydrogen Energy Transmission and Conversion System (HETCS).

Reduced Optimal Power Flow Using Graph Neural Network

no code implementations27 Jun 2022 Thuan Pham, Xingpeng Li

It is concluded that the application of GNN for ROPF is able to reduce computing time while retaining solution quality.

Resilient Operational Planning for Microgrids Against Extreme Events

no code implementations16 Jun 2022 Cunzhi Zhao, Jesus Silva-Rodriguez, Xingpeng Li

Moreover, the proposed ROP algorithm is able to obtain a greater SR overall compared to that achieved by the traditional MEM, and this benefit of using the proposed ROP increases as the inverter failure probabilities increase.

energy management Management

Microgrid Optimal Energy Scheduling Considering Neural Network based Battery Degradation

no code implementations24 Feb 2022 Cunzhi Zhao, Xingpeng Li

When incorpo-rating the proposed NNBD model into microgrid day-ahead scheduling (MDS), we can establish a battery degradation based MDS (BDMDS) model that can consider the equivalent battery degradation cost precisely with the proposed cycle based battery usage processing (CBUP) method for the NNBD model.

Scheduling

Neural Network-based Power Flow Model

no code implementations15 Dec 2021 Thuan Pham, Xingpeng Li

The DC power flow model is a popular linear power flow model that is widely used in the power industry.

Long-Term Recurrent Convolutional Network-based Inertia Estimation using Ambient Measurements

no code implementations2 Dec 2021 Mingjian Tuo, Xingpeng Li

The increasing integration of renewable energy resources imports different dynamics into traditional power systems; therefore, the estimation of system inertia using mathematical model becomes more difficult.

Machine Learning Assisted Approach for Security-Constrained Unit Commitment

no code implementations17 Nov 2021 Arun Venkatesh Ramesh, Xingpeng Li

Security-constrained unit commitment (SCUC) is solved for power system day-ahead generation scheduling, which is a large-scale mixed-integer linear programming problem and is very computationally intensive.

BIG-bench Machine Learning Scheduling

Quantitative Analysis of Demand Response Using Thermostatically Controlled Loads

no code implementations24 Oct 2021 Praveen Dhanasekar, Cunzhi Zhao, Xingpeng Li

The flexible power consumption feature of thermostatically controlled loads (TCLs) such as heating, ventilation, and air-conditioning (HVAC) systems makes them attractive targets for demand response (DR).

Scheduling

Optimal Allocation of Virtual Inertia Devices for Enhancing Frequency Stability in Low-Inertia PowerSystems

no code implementations21 Oct 2021 Mingjian Tuo, Xingpeng Li

In this study, a state-space model for the power system network is developed with VI as a frequency regulation method.

Security-Constrained Unit Commitment Con-sidering Locational Frequency Stability in Low-Inertia Power Grids

no code implementations21 Oct 2021 Mingjian Tuo, Xingpeng Li

With increasing installation of wind and solar generation, conventional synchronous generators in power systems are gradually displaced resulting in a significant reduction in system inertia.

Optimal Skeleton Network Reconfiguration considering Topological Characteristics and Transmission Path

no code implementations6 Oct 2021 Jin Lu, Xingpeng Li

Power system restoration can be divided into three stages: black-start, network reconfiguration, and load restoration.

A Novel Real-Time Energy Management Strategy for Grid-Supporting Microgrid: Enabling Flexible Trading Power

no code implementations29 Apr 2021 Cunzhi Zhao, Xingpeng Li

Numerical simulations demonstrate the performance of the proposed GSEM strategy which enables the grid operator to have a dispatch choice of trading power with MG and enhance the reliability and resilience of the main grid.

energy management Management

Dynamic Estimation of Power System Inertia Distribution Using Synchrophasor Measurements

no code implementations20 Jun 2020 Mingjian Tuo, Xingpeng Li

Integration of intermittent renewable energy sources in modern power systems is increasing very fast.

Clustering

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