Showing 1-25 of 4,473 resultsfor "Index Terms":Protection Objectives
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Design This guide provides designinformation for the methods historically and typically applied by substation designers to minimize reduce direct lightning strokes to equipment and buswork within substations is provided. Two approaches, the classical empirical method and the electrogeometric model, are presented in detail. A third approach involving the use of active lightning terminals is also br...Show More
The Enhancement of Protective System Reliability with Immune Algorithm
2006 International Conference on Probabilistic Methods Applied to Power Systems
Year: 2006 | Conference Paper |
This paper is to derive the optimal planning of protective relay schemes for a transmission network by Immune Algorithm. The historical data of protective relay malfunction in Taipower has been used to determine the failure rate and repair rate of each type of protective relays in Taipower system. The Markov models of protective relays are determined and integrated with the transmission network to...Show More
A Location Privacy and Query Privacy Joint Protection Scheme for POI Query in Vehicular Networks
ICC 2023 - IEEE International Conference on Communications
Year: 2023 | Conference Paper |
In vehicular networks, the Point of Interest (POI) query was widely used in Location-Based Services (LBS) for vehicle applications. However, since the attackers can easily access the location, query content, and other information, it is difficult to protect the LBS privacy of vehicle users only using location privacy protection or query privacy protection independently. Therefore, we propose a loc...Show More
Research on Ground-to-Air Force Deployment Based on Multi-Objective Evolutionary Algorithm with Game Mechanism
2024 2nd International Conference on Artificial Intelligence and Automation Control (AIAC)
Year: 2024 | Conference Paper |
In order to achieve effective protection of assets within defensive bases in a complex air combat environment, this article explores the issue of troop deployment with the coordination of multiple types of weapons. Considering the atmospheric transmission characteristics of laser weapons and the electromagnetic interference characteristics of missiles, a multi-objective optimization model has been...Show More
Interactive System for Placement and Coordination of Overcurrent Protective Devices
Eduardo M. Campitelli;Luis G. W. Da Silva;Rodrigo A. F. Pereira;Jose R. S. Mantovani
2006 IEEE/PES Transmission & Distribution Conference and Exposition: Latin America
Year: 2006 | Conference Paper |
Cited by: Papers (3)
In this paper, an expert and interactive system for developing protection system for overhead and radial distribution feeders is proposed. In this system the protective devices can be allocated through heuristic and an optimized way. In the latter one, the placement problem is modeled as a mixed integer non-linear programming, which is solved by genetic algorithm (GA). Using information stored in ...Show More
Modeling of Transformer Differential Protection with Different Electronic Components Using SimInTech Environment
2024 International Russian Automation Conference (RusAutoCon)
Year: 2024 | Conference Paper |
Mathematical modeling tools are often used to analyze proper functioning, as well as to design relay protection. Currently, most of the electric power facilities are operated by digital security, however, there are still facilities where protection is performed using electromechanical relays. Therefore, it is important to consider the issues of modeling protections performed by various electronic ...Show More
Verification of Adaptive Protection in Hardware in the Loop for Coordination with Solar Variability
Adam Summers;Trupal Patel;Daniel Kelly;Emilio C. Piesciorovsky;Joseph A. Azzolini;Matthew J. Reno
2024 IEEE 52nd Photovoltaic Specialist Conference (PVSC)
Year: 2024 | Conference Paper |
As inverter-based resources continue to be installed at all levels of the electric grid, the fixed protection schemes used at the distribution level will continue to be stressed until they no longer ensure the protection of the grid. Adaptive protection has been proposed as a solution with the ability to update the protection schemes in near real-time to ensure reliability and increase the resilie...Show More
Allocation of Fault Indicators for Adaptive Protection Schemes
2019 IEEE PES Innovative Smart Grid Technologies Conference - Latin America (ISGT Latin America)
Year: 2019 | Conference Paper |
Cited by: Papers (1)
The development of innovative protective devices for electrical systems has produced new planning problems, such as the study of the adaptive protection benefits and the efficiency in locating faults. In distribution networks, the careful choice of sites for the allocation of fault indicators and protective devices can increase their benefits in improving the network reliability. The best allocati...Show More
Simulation of Multi-Objective Optimization Planning Algorithm for Low-Voltage Power Distribution Network Under High Penetration of New Energy
2024 International Conference on Telecommunications and Power Electronics (TELEPE)
Year: 2024 | Conference Paper |
In power distribution network (PDN), high-permeability new energy access can not only effectively improve energy utilization efficiency and reduce transmission loss, but also provide emergency power support for electrical power system (EPS) at critical moments. In this study, a multi-objective optimization (MOO) programming algorithm is proposed for low-pressure PDN with high permeability of new e...Show More
Multi-Objective Optimal Scheduling of Microgrids Based on Improved Particle Swarm Optimization Algorithm
2024 IEEE 7th Information Technology, Networking, Electronic and Automation Control Conference (ITNEC)
Year: 2024 | Conference Paper |
As an important part of smart grid optimization, microgrid optimal scheduling is of great significance to reduce energy consumption and environmental pollution. A multi-obj ective optimal scheduling model of microgrid in grid-connected mode is proposed, which is coordinated with economy and environmental protection. Under the condition of satisfying the system constraints, the optimization problem...Show More
Logic Optimization of Single Terminal Protection in Flexible DC Power System Based on Improved Multi-Objective Particle Swarm Optimization Algorithm
2024 11th International Forum on Electrical Engineering and Automation (IFEEA)
Year: 2024 | Conference Paper |
The optimization of single terminal protection logic is an indispensable step to ensure the normal operation of a flexible DC power grid, but the optimization process is vulnerable to the interference of uneven voltage, strong magnetic field, power grid fault and other problems. In order to solve the above problems, a single terminal protection logic optimization method for a flexible DC power gri...Show More
Research on Multi-Objective Optimization of Municipal Road Construction Management
2023 IEEE 8th International Conference on Intelligent Transportation Engineering (ICITE)
Year: 2023 | Conference Paper |
Municipal roads play an important role in improving people's livelihoods and promoting urban development. The multi-objective balanced optimization of rapid construction, cost saving, quality assurance, and environmental protection is an urgent problem that project builders need to solve. This paper proposes four major construction management objectives: duration, cost, quality, and environmental ...Show More
An Improved PSO-Based Multi-Objective Optimization Scheduling of Microgrid Considering Environmental Costs
2024 IEEE 13th Data Driven Control and Learning Systems Conference (DDCLS)
Year: 2024 | Conference Paper |
The inherent requirement for high-quality economic development is the construction of a new type of clean, lowcarbon, safe and efficient power system. Microgrids are the important core of building a new type of power system. This paper is planned to make the microgrid satisfy the basic power supply demand while taking into account the economic and environmental benefits. To this end, a multi objec...Show More
Even in lightning protection of a complicated object, a Franklin rod is the most common and effective device used to protect the ship. Based on review of the previous study on EGM and recent theoretical exploration of lightning striking distance, an elliptical model of lightning protection zone is established by the Mississippi State University HV Lab. The protection zone is determined by the retu...Show More
The Over-voltage protection Of wind turbine generators
2009 World Non-Grid-Connected Wind Power and Energy Conference
Year: 2009 | Conference Paper |
Cited by: Papers (2)
The paper introduces the related characteristics of wind turbine generators, Such as the wind turbine generator may cause serious over-voltage problems of electromagnetic compatibility for using converter technique and be struck by lightning easily and also result in high maintenance costs. So we analyze several hotspots of the over-voltage protection of wind turbine generators, such as the standa...Show More
Design, Simulation, and Laboratory Experiments of High Voltage Strike for Lightning Protection System in Fishing Boat Model
2020 2nd International Conference on Smart Power & Internet Energy Systems (SPIES)
Year: 2020 | Conference Paper |
Cited by: Papers (1)
Lightning is a natural phenomenon that often happens. When lightning strikes, the power produced is so large that lightning is very dangerous. One area where lightning often strikes is in the sea. This causes the crew who sailed in the middle of the ocean is vulnerable to lightning strikes. To increase the safety of the ship from the effects of the lightning strike, it needs a lightning protection...Show More
Using Improved Pollen Algorithm to Optimize Coordination of Relay Protection
2020 10th International Conference on Power and Energy Systems (ICPES)
Year: 2020 | Conference Paper |
Cited by: Papers (1)
By optimizing the setting value of relay protection device, the coordination ability of relay protection device in power system can be improved and the operation time of relay can be reduced .Aiming at the relay protection coordination problem, the setting calculation of inverse time overcurrent protection is transformed into a nonlinear programming problem with multiple constraints, and a protect...Show More
Research on power system fault diagnosis considering relay protection condition assessment
2015 IEEE PES Asia-Pacific Power and Energy Engineering Conference (APPEEC)
Year: 2015 | Conference Paper |
Cited by: Papers (1)
Targeting at diagnosing complex power system faults, a power system fault diagnosis method considering relay protection condition assessment is proposed. With relay protection condition assessment, the power system fault diagnosis model is created, based on which, the objective function considering relay protection failure is proposed, and its protection action term is modified based on the condit...Show More
Advanced Coordination Method for Overcurrent Protection Relays Using Nonstandard Tripping Characteristics
This paper describes an advanced coordination method for an optimized protection time grading based on a new nonstandard tripping characteristic for overcurrent protection relays. The intention is the highest possible reduction of tripping times for a selective fault clearing in distribution networks protected by overcurrent relays without communication links. The new nonstandard tripping characte...Show More
Operation Evaluation of Relay Protection Devices Based on Principal Component Analysis, Improved Entropy-revised G1 Method and TOPSIS
Junjie Zhang;Xiao Chen;Jinxin Li;Guihong Jin;Xianyue Luo;Jun Pan;Lei Zheng
2023 International Conference on Advances in Electrical Engineering and Computer Applications (AEECA)
Year: 2023 | Conference Paper |
In order to evaluate the operation level of relay protection devices more accurately and reasonably, a comprehensive evaluation model combining principal component analysis, improved entropy correction G1 method, and TOPSIS method is proposed. Firstly, by deeply analyzing the multidimensional factors that affect the operation status of protection devices, some key indicators were accurately select...Show More
Design information for the methods historically and typically applied by substation designers to reduce direct lightning strokes to equipment and buswork within substations is provided. Two approaches, the classical empirical method and the electro-geometric model, are presented in detail. A third approach, which involves the use of non-conventional lightning terminals and related design methods, ...Show More
Multi-Objective Optimum Scheduling of Microgrids Accounting for Wind and Solar Scenario Uncertainty
2024 11th International Forum on Electrical Engineering and Automation (IFEEA)
Year: 2024 | Conference Paper |
This paper puts forth a multi-objective optimal dispatch model for microgrids that takes into account the inherent uncertainty and correlation of wind and solar power generation. The objective of the model is to minimise the operating cost and environmental protection cost of the microgrid. The kernel density estimation method is employed to generate the probability distribution of wind and solar ...Show More
Cost-Effective Insulation Coordination Design for 115-kV Transmission Line due to Lightning Back Flashover
Phonesavanh Sengmanivanh;Komsan Hongesombut;Suphicha Punyakunlaset;Dulpichet Rerkpreedapong;Sillawat Romphochai
2021 18th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology (ECTI-CON)
Year: 2021 | Conference Paper |
Cited by: Papers (4)
This paper presents a cost-effective insulation coordination design for the 115-kV transmission line of EDL (Electricite Du Laos) in Lao PDR (Laos People's Democratic Republic). The design's main objective is to find an insulation coordination model with the minimum total cost. In this paper, PSCAD/EMTDC software has been applied to realize the technical objective, and the total costs of the diffe...Show More
The ecological optimization dispatch of the Three Gorges reservoir considering aquatic organism protection
2015 International Conference on Control, Automation and Robotics
Year: 2015 | Conference Paper |
Cited by: Papers (1)
This paper focus on the ecological optimization operation problem of the Three Gorges reservoir in flood recession. In this season, the primary goal of the reservoir is impounding to get the maximum economic benefit. As people increasing concern about their environment, impact of the reservoir operation to the aquatic habitat at the downstream area becomes an increasing important factor. The confl...Show More
Security and economic dispatch of power system with environmental consideration
2009 IEEE Power & Energy Society General Meeting
Year: 2009 | Conference Paper |
Cited by: Papers (1)
Along with the growing energy consumption of modern society, the environmental protection of power system becomes more important. In this paper, the environmental impacts on thermal power plants are considered in optimal power flow, and a new method to determine the weight of objective function is proposed. Thermal power plant's geographical location, weather conditions and the impact of populatio...Show More
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