Iet Generation Transmission & Distribution最新文献_第3页

Field analysis of directionality measurement with inverter based resources in India

IF 2 4区工程技术

Iet Generation Transmission & Distribution Pub Date : 2025-02-03 DOI: 10.1049/gtd2.70008

Ashoka Shyamaprasad, K. P. Vittal, Praveen AN, O. D. Naidu

{"title":"Field analysis of directionality measurement with inverter based resources in India","authors":"Ashoka Shyamaprasad, K. P. Vittal, Praveen AN, O. D. Naidu","doi":"10.1049/gtd2.70008","DOIUrl":"https://doi.org/10.1049/gtd2.70008","url":null,"abstract":"Renewable energy sources are getting integrated into the electrical power network since many years. The characteristics of these sources are completely different from traditional synchronous generators. This is posing challenges for power engineers from system protection and control perspective. Cases of maloperations of protective relays have been a focus of research across industries and universities. India has been growing in deploying distributed energy resources. Most of the maloperations reported relate to transmission line protection. Studies on maloperation of directional element are not duly addressed from Indian grid perspective. Few cases from India have been chosen for research. Fault data from Type-4 and Type-3 wind plant and solar park has been analysed and compared with literature reports. The objective of this paper is to document the behaviour of directional elements for a distributed energy resource connected system in India. In addition, aim is to understand the gaps from existing research to the behaviours of the current directional protections. This would help in identifying mechanisms to ascertain directionality for similar systems in the future. The conclusion from the paper is that the detection of fault direction must be completed before the time inverter control kicks in to operation in any algorithm.","PeriodicalId":13261,"journal":{"name":"Iet Generation Transmission & Distribution","volume":"19 1","pages":""},"PeriodicalIF":2.0,"publicationDate":"2025-02-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1049/gtd2.70008","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143111158","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Comprehensive analysis of admittance matrix estimation considering different noise models

IF 2 4区工程技术

Iet Generation Transmission & Distribution Pub Date : 2025-01-31 DOI: 10.1049/gtd2.70011

Felipe Proença de Albuquerque, Francisco Rodrigues Lemes, Rafael Nascimento, Eduardo C. Marques Costa, Pablo Torrez Caballero

{"title":"Comprehensive analysis of admittance matrix estimation considering different noise models","authors":"Felipe Proença de Albuquerque, Francisco Rodrigues Lemes, Rafael Nascimento, Eduardo C. Marques Costa, Pablo Torrez Caballero","doi":"10.1049/gtd2.70011","DOIUrl":"https://doi.org/10.1049/gtd2.70011","url":null,"abstract":"The previous knowledge of the admittance matrix represents an important issue in power system analysis, specifically regarding load flow, voltage stability, and protection setting. Some parameter estimation techniques in technical literature determine the admittance matrix of electric power grids, leading to notable advances in measurement and monitoring. This paper proposes a robust approach to determine the admittance matrix using deep learning techniques. Throughout the paper, results demonstrate that the proposed approach handles Gaussian and non-Gaussian noise reliably, outperforming other works in the technical literature. This paper also evaluates the proposed method in several scenarios, including different numbers of samples and varying noise level, as well as loads with non-linear variations. The proposed method has low computational complexity because it considers only a few features while estimating admittance parameters. Results demonstrate that the proposed approach sustains accuracy and robustness, even when subjected to high noise levels in the measurements. This paper evaluates the proposed approach by estimating the parameters of the IEEE 14-bus and 57-bus systems and presents the performance of all parameters for the 14-bus system.","PeriodicalId":13261,"journal":{"name":"Iet Generation Transmission & Distribution","volume":"19 1","pages":""},"PeriodicalIF":2.0,"publicationDate":"2025-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1049/gtd2.70011","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143121459","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Optimal economic analysis of electric vehicle charging stations, renewable energy technologies, and capacitor banks in distribution networks

IF 2 4区工程技术

Iet Generation Transmission & Distribution Pub Date : 2025-01-30 DOI: 10.1049/gtd2.70010

My Ha Le, Thai Dinh Pham, Thang Trung Nguyen

{"title":"Optimal economic analysis of electric vehicle charging stations, renewable energy technologies, and capacitor banks in distribution networks","authors":"My Ha Le, Thai Dinh Pham, Thang Trung Nguyen","doi":"10.1049/gtd2.70010","DOIUrl":"https://doi.org/10.1049/gtd2.70010","url":null,"abstract":"The study optimizes the placement of electric vehicle charging stations (EVCSs), photovoltaic power plants (PVPPs), wind turbine power plants (WTPPs), battery energy storage system (BESS), and capacitor bank (CB), considering AC and DC chargers for the EVCSs by using the wave search algorithm (WSA), particle swarm optimization (PSO) algorithm, artificial bee colony (ABC) algorithm, and salp swarm algorithm (SSA). The objective is to minimize the sum of the cost of electric energy supplied by the grid and the total costs from the added electric components for a 15-year project, including investment cost, operation, and maintenance (O&M) cost. Finally, WSA can reach a smaller total cost than others. The hybrid system with all the components costs 21.83% less than the base system for a 15-year project life cycle. The total revenue and investment and O&M costs are about $15.3 million and $11.3 million. So, the total profit is about $4 million, equivalent to 35.38%. Furthermore, the smallest voltage is increased from about 0.91 to 0.96 pu, and the highest branch current is reduced from about 387 to 329 A, meeting 45.54% of the total consumption in the system. Thus, the integration of the EVCSs, PVPPs, WTPPs, BESS, and CB into distribution power networks can bring a very high profit.","PeriodicalId":13261,"journal":{"name":"Iet Generation Transmission & Distribution","volume":"19 1","pages":""},"PeriodicalIF":2.0,"publicationDate":"2025-01-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1049/gtd2.70010","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143120796","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Analysis of transient overvoltages in EV charging stations due to direct lightning strikes

IF 2 4区工程技术

Iet Generation Transmission & Distribution Pub Date : 2025-01-30 DOI: 10.1049/gtd2.70001

Ahmad Moradi, Asghar Akbari Foroud

引用次数: 0

Enhanced post-fault recovery in MTDC networks using active damping approach

IF 2 4区工程技术

Iet Generation Transmission & Distribution Pub Date : 2025-01-29 DOI: 10.1049/gtd2.13321

Monika Sharma, José L. Rueda Torres

{"title":"Enhanced post-fault recovery in MTDC networks using active damping approach","authors":"Monika Sharma, José L. Rueda Torres","doi":"10.1049/gtd2.13321","DOIUrl":"https://doi.org/10.1049/gtd2.13321","url":null,"abstract":"The increasing deployment of offshore wind farms necessitates robust and stable high-voltage direct current networks. Achieving optimal stability, especially in damping oscillations on the DC side, remains a significant challenge. This study focuses on mitigating post-fault converter de-blocking oscillations, a critical issue exacerbated by complex interactions between AC and DC systems, converter dynamics, and system faults. These behavior are governed by nonlinear system dynamics, making traditional control methods less effective in ensuring stability. A comprehensive analysis of DC side oscillations and their interaction with converter dynamics is developed to understand the key factors influencing system stability. The research investigates a DC voltage regulation damping approach, identified as the most effective solution in the literature. Comprehensive parametric sensitivity analysis evaluates system behavior under diverse operational conditions. Addressing current damping method limitations during converter de-blocking, this work proposes an innovative control approach integrating fuzzy logic control and proportional–integral controllers. This approach enhances DC voltage regulation and incorporates a modified circulating current suppression control in the inner loop. The coordinated fuzzy logic control and proportional–integral controller dynamically adjusts to nonlinear system dynamics in real-time, providing a robust framework for improved post-fault recovery. It aims to achieve faster recovery times and reduced overshoot compared to conventional methods. The proposed controller's efficacy is validated through comparative analysis with existing approaches. Electromagnetic transient) simulations using the real-time digital simulator platform demonstrate the controller's performance under realistic operating conditions.","PeriodicalId":13261,"journal":{"name":"Iet Generation Transmission & Distribution","volume":"19 1","pages":""},"PeriodicalIF":2.0,"publicationDate":"2025-01-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1049/gtd2.13321","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143120407","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Multi-time-scale scheduling of integrated port logistics-energy system considering piecewise linearization of high-order equations

IF 2 4区工程技术

Iet Generation Transmission & Distribution Pub Date : 2025-01-27 DOI: 10.1049/gtd2.70007

Liqin Li, Qingxin Shi, Zhuorong Wang, Shuai Zhang, Dongxue Jia, Wenxia Liu

{"title":"Multi-time-scale scheduling of integrated port logistics-energy system considering piecewise linearization of high-order equations","authors":"Liqin Li, Qingxin Shi, Zhuorong Wang, Shuai Zhang, Dongxue Jia, Wenxia Liu","doi":"10.1049/gtd2.70007","DOIUrl":"https://doi.org/10.1049/gtd2.70007","url":null,"abstract":"Port area usually possesses a high percentage of fluctuating energy sources (wind turbine and photovoltaic systems and fluctuating load. How to rationally dispatch port resources and arrange equipment operation plan is crucial in the development of environmentally-friendly ports. Producing hydrogen using renewable energy sources is an important technical method to promote the utilization of renewable energy. In order to balance the high electricity consumption and unstable output of renewable energy sources, previous studies have proposed a scheduling model for the port logistics-energy integrated system. However, inaccurate modelling of hydrogen storage devices has impacted the security of system operation. Considering the temperature and pressure of hydrogen in the high-pressure hydrogen storage tank, this paper established the multi-time scale scheduling model of the port logistics-energy integrated system. The excessive electrical energy is stored using electrolytic water hydrogen production technology. On this basis, the electricity and hydrogen load demands are coordinated. Then, a piecewise-linearization method is proposed to efficiently solve the high-order nonlinearity temperature-pressure equation. Finally, the feasibility and accuracy of the proposed method is verified by testing on a standard port integrated energy system.","PeriodicalId":13261,"journal":{"name":"Iet Generation Transmission & Distribution","volume":"19 1","pages":""},"PeriodicalIF":2.0,"publicationDate":"2025-01-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1049/gtd2.70007","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143119703","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Impact analysis of flexible interconnection devices in distribution networks and a setting calculation method for overcurrent protection scheme

IF 2 4区工程技术

Iet Generation Transmission & Distribution Pub Date : 2025-01-26 DOI: 10.1049/gtd2.70000

Ningyi He, Zhichang Yuan, Peiqian Guo, Hongtao Li, Zijin Li, Bo Wang, Chen Wang, Miaoyi Xiang

{"title":"Impact analysis of flexible interconnection devices in distribution networks and a setting calculation method for overcurrent protection scheme","authors":"Ningyi He, Zhichang Yuan, Peiqian Guo, Hongtao Li, Zijin Li, Bo Wang, Chen Wang, Miaoyi Xiang","doi":"10.1049/gtd2.70000","DOIUrl":"https://doi.org/10.1049/gtd2.70000","url":null,"abstract":"The integration of flexible interconnection devices (FIDs) into distribution networks introduces complexities in power flow management under both normal and transient/fault conditions, thereby decreasing the selectivity, sensitivity, and reliability of common current protection schemes. This article examines the impact of FIDs on existing current protection arrangements and proposes a novel method for recalculating the overcurrent protection setting. The AC output characteristics of the FID for a short period after AC fault occurrence are first investigated. It is followed by an analysis of FID's impact on the three-stage current protection scheme in flexible interconnected distribution networks, conducted through theoretical calculations in MATLAB and simulations in PSCAD/EMTDC. A quantitative assessment of the mal-operation and non-operation of current protection caused by FIDs of varying capacities, power flow directions, and locations, with a focus on the typical 10 kV 10MVA FID, is also performed. Based on the above findings, a calculation and modification method for Stage III overcurrent protection setting is presented to address mal-operation issues in FID-based distribution networks, with its feasibility validated through electromagnetic transient simulations.","PeriodicalId":13261,"journal":{"name":"Iet Generation Transmission & Distribution","volume":"19 1","pages":""},"PeriodicalIF":2.0,"publicationDate":"2025-01-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1049/gtd2.70000","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143119364","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Distribution network clustering for reactive power planning and distributed voltage control

IF 2 4区工程技术

Iet Generation Transmission & Distribution Pub Date : 2025-01-23 DOI: 10.1049/gtd2.70002

Saeed Hasanvand, Hossein Sobhani, Mohammad-Hassan Khooban

{"title":"Distribution network clustering for reactive power planning and distributed voltage control","authors":"Saeed Hasanvand, Hossein Sobhani, Mohammad-Hassan Khooban","doi":"10.1049/gtd2.70002","DOIUrl":"https://doi.org/10.1049/gtd2.70002","url":null,"abstract":"According to the inherent characteristics of power systems, the voltage reduction is different in each part of power system. The voltage drop is directly proportional to the demand current and the total impedance between the source and the loads. Therefore, in distribution system voltage/VAr control is more important rather than transmission network, because of higher line R/X ratios rather than the transmission network and customers or end-users receive power through a higher impedance and experience a larger voltage drop in distribution system. This work presents multistage optimal reactive power planning and clustering the distribution network to implement distributed voltage/VAr control approach. At first, reactive power planning to reduce active power losses and save costs has been investigated. According to the result of the first stage, the power system is clustered into some partitions using spectral clustering and reactive power weighted matrix. The optimal number of clusters has been evaluated and determined by four criteria and the clusters are defined by fuzzy c-mean method which gives better vision about cluster boundaries. Finally, a sensitivity-based approach has been used to determine the precise location of VAr resources and the results show that voltage/VAr control in a clustered distribution system has more acceptable outcomes rather than centralized voltage/VAr control in the whole distribution network.","PeriodicalId":13261,"journal":{"name":"Iet Generation Transmission & Distribution","volume":"19 1","pages":""},"PeriodicalIF":2.0,"publicationDate":"2025-01-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1049/gtd2.70002","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143118515","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A two-level optimal scheduling control strategy for air source heat pump loads with phase change energy storage

IF 2 4区工程技术

Iet Generation Transmission & Distribution Pub Date : 2025-01-21 DOI: 10.1049/gtd2.70004

Meng Liu, Xin Xie, Wenhui Yang, Fujia Xu, Song Gao, Lei Ding, Haiping Liang

{"title":"A two-level optimal scheduling control strategy for air source heat pump loads with phase change energy storage","authors":"Meng Liu, Xin Xie, Wenhui Yang, Fujia Xu, Song Gao, Lei Ding, Haiping Liang","doi":"10.1049/gtd2.70004","DOIUrl":"https://doi.org/10.1049/gtd2.70004","url":null,"abstract":"Reasonable scheduling and control of air-source heat pumps (ASHPs) contribute to reducing operational costs for users while encouraging their participation in grid demand response. This article proposes a two-layer optimal scheduling and control strategy for ASHP loads incorporating phase change energy storage (PCES). First, an electricity-heat coupling model for ASHP loads is proposed. This model integrates PCES technology and considers the influence of outlet water temperature, ambient temperature, and the cold island effect on the coefficient of performance. Subsequently, a PCES capacity configuration model is established with the objective of maximizing the overall benefits of the PCES device. Finally, a two-layer optimal scheduling and control strategy for ASHPs is introduced: The upper-layer model employs model predictive control to minimize heating costs based on user comfort, leveraging PCES and building thermal storage characteristics, in conjunction with time-of-use electricity pricing. The lower-layer model schedules periodic start–stop cycles of the ASHP units to respond to the upper-layer power demand and mitigates the impact of the cold island effect on ASHP performance through unit interval sequencing. The simulation results show that the proposed strategy reduces the daily operation cost and power consumption by 38.9% and 25.0%, respectively, significantly improving the building's regulation capability.","PeriodicalId":13261,"journal":{"name":"Iet Generation Transmission & Distribution","volume":"19 1","pages":""},"PeriodicalIF":2.0,"publicationDate":"2025-01-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1049/gtd2.70004","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143117528","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

State-of-the-art of cybersecurity in the power system: Simulation, detection, mitigation, and research gaps

IF 2 4区工程技术

Iet Generation Transmission & Distribution Pub Date : 2025-01-21 DOI: 10.1049/gtd2.70006

Milad Beikbabaei, Ali Mehrizi-Sani, Chen-Ching Liu

{"title":"State-of-the-art of cybersecurity in the power system: Simulation, detection, mitigation, and research gaps","authors":"Milad Beikbabaei, Ali Mehrizi-Sani, Chen-Ching Liu","doi":"10.1049/gtd2.70006","DOIUrl":"https://doi.org/10.1049/gtd2.70006","url":null,"abstract":"In a power system, the communication link can be compromised by intruders who can launch cyberattacks by capturing data packets, sending falsified packets, or stopping data packets from reaching their destination. Moreover, intruders can compromise control devices using supply chain attacks, firmware patching attacks, and insider attackers. Numerous cyberattacks have been reported previously, and cyberattacks are becoming more frequent since attackers are aware of their socioeconomic impacts. Extensive research has been conducted on developing platforms to simulate cyberattacks, studying different types of cyberattacks, investigating the adverse effects of a successful cyberattack on different components of the power system, designing ways to detect anomalies in the power system using electrical measurements, and proposing ways to mitigate the adverse effects of the detected cyberattack. This paper presents a review of state-of-the-art of cybersecurity in the power system, reviewing available simulation tools for studying the cybersecurity of the power system, classifying components of the power system vulnerable to cyberattacks, and summarizing the adverse effects of a successful cyberattack on each component in the power system. Furthermore, different types of cyberattacks and detection and mitigation methods are classified. Research gaps in the cybersecurity of the power system are also discussed.","PeriodicalId":13261,"journal":{"name":"Iet Generation Transmission & Distribution","volume":"19 1","pages":""},"PeriodicalIF":2.0,"publicationDate":"2025-01-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1049/gtd2.70006","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143117530","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0