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Nonlinear Model Predictive Controller for Compensations of Single Line-to-ground Fault in Resonant Grounded Power Distribution Networks

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Journal of Modern Power Systems and Clean Energy 2024年第4期12卷 1113-1125页

作者： Warnakulasuriya Sonal Prashenajith Fernando Mostafa Barzegar-Kalashani Md Apel Mahmud shama naz islam Nasser Hossenzadeh Faculty of Engineering and Environment Northumbria UniversityNewcastleUK School of Software and Electrical Engineering Swinburne University of TechnologyHawthornAustralia School of Engineering Deakin UniversityWaurn PondsAustralia

An nonlinear model predictive controller(NMPC)is proposed in this paper for compensations of single line-to-ground(SLG)faults in resonant grounded power distribution networks(RGPDNs),which reduces the likelihood of power line bushfire due to electric *** current compensation(RCC)inverters with arc suppression coils(ASCs)in RGPDNs are controlled using the proposed NMPC to provide appropri-ate compensations during SLG *** proposed NMPC is incorporated with the estimation of ASC inductance,where the estimation is carried out based on voltage and current measure-ments from the neutral point of the power distribution *** compensation scheme is developed in the discrete time using the equivalent circuit of *** proposed NMPC for RCC inverters ensures that the desired current is in-jected into the neutral point during SLG faults,which is veri-fied through both simulations and control hardware-in-the-loop(CHIL)*** results are also presented against an integral sliding mode controller(ISMC)by demon-strating the capability of power line bushfire mitigation.

关键词： Fault current phase voltage nonlinear model predictive controller(NMPC) parameter adaptation parametric uncertainty power line bushfire

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A VAE-Bayesian deep learning scheme for solar power generation forecasting based on dimensionality reduction

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Energy and AI 2023年第4期14卷 319-328页

作者： Devinder Kaur shama naz islam MdApel Mahmud Md.Enamul Haque Adnan Anwar School of Engineering Deakin UniversityAustralia Faculty of Engineering and Environment Northumbria UniversityNewcastle Upon TyneUK School of Information Technology Deakin UniversityStrategic Centre for Cyber Security Research Institute(CSRI)Geelong 3216Australia

The advancements in distributed generation(DG)technologies such as solar panels have led to a widespread integration of renewable power generation in modern power ***,the intermittent nature of renewable energy poses new challenges to the network operational planning with underlying *** paper proposes a novel probabilistic scheme for renewable solar power generation forecasting by addressing data and model parameter uncertainties using Bayesian bidirectional long short-term memory(BiLSTM)neural networks,while handling the high dimensionality in weight parameters using variational auto-encoders(VAE).The forecasting performance of the proposed method is evaluated using various deterministic and probabilistic evaluation metrics such as root-mean square error(RMSE),Pinball loss,***,reconstruction error and computational time are also monitored to evaluate the dimensionality reduction using the VAE *** compared with benchmark methods,the proposed method leads to significant improvements in weight reduction,i.e.,from 76,4224 to 2,022 number of weight parameters,quantifying to 97.35%improvement in weight parameters reduction and 37.93%improvement in computational time for 6 months of solar power generation data.

关键词： Bayesian deep learning Bidirectional long-short term memory Dimensionality reduction Generation forecasting Renewable power generation Variational auto-encoders

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FedDiSC:A computation-efficient federated learning framework for power systems disturbance and cyber attack discrimination

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Energy and AI 2023年第4期14卷 212-220页

作者： Muhammad Akbar Husnoo Adnan Anwar Haftu Tasew Reda Nasser Hosseinzadeh shama naz islam Abdun Naser Mahmood Robin Doss Centre for Cyber Security Research and Innovation(CSRI) School of Information TechnologyDeakin UniversityGeelongVIC 3216Australia Centre for Smart Power and Energy Research(CSPER) School of EngineeringDeakin UniversityGeelongVIC 3216Australia Department of Computer Science&IT Latrobe UniversityBundooraVIC 3086Australia

With the growing concern about the security and privacy of smart grid systems,cyberattacks on critical power grid components,such as state estimation,have proven to be one of the top-priority cyber-related issues and have received significant attention in recent ***,cyberattack detection in smart grids now faces new challenges,including privacy preservation and decentralized power zones with strategic data *** address these technical bottlenecks,this paper proposes a novel Federated Learning-based privacy-preserving and communication-efficient attack detection framework,known as FedDiSC,that enables Discrimination between power System disturbances and ***,we first propose a Federated Learning approach to enable Supervisory Control and Data Acquisition subsystems of decentralized power grid zones to collaboratively train an attack detection model without sharing sensitive power related ***,we put forward a representation learning-based Deep Auto-Encoder network to accurately detect power system and cybersecurity ***,to adapt our proposed framework to the timeliness of real-world cyberattack detection in SGs,we leverage the use of a gradient privacy-preserving quantization scheme known as DP-SIGNSGD to improve its communication *** simulations of the proposed framework on publicly available Industrial Control Systems datasets demonstrate that the proposed framework can achieve superior detection accuracy while preserving the privacy of sensitive power grid related ***,we find that the gradient quantization scheme utilized improves communication efficiency by 40%when compared to a traditional federated learning approach without gradient quantization which suggests suitability in a real-world scenario.

关键词： Federated Learning Anomaly detection Cyber attack Internet of things(IoT) Smart grid

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