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Dissertations / Theses on the topic 'Substation protection'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Ljungberg, Jens. "Evaluation of a Centralized Substation Protection and Control System for HV/MV Substation." Thesis, Uppsala universitet, Elektricitetslära, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-354976.

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Today, conventional substation protection and control systems are of a widely distributed character. One substation can easily have as many as 50 data processing points that all perform similar algorithms on voltage and current data. There is also only limited communication between protection devices, and each device is only aware of the bay in which it is installed. With the intent of implementing a substation protection system that is simpler, more efficient and better suited for future challenges, Ellevio AB implemented a centralized system in a primary substation in 2015. It is comprised o

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2

Ma, Cheng. "Agent-based Power System Protection and Information Management System of a Substation." Thesis, University of Liverpool, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.507730.

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Schmitt, Andreas Joachim. "Digital Implementation of Power System Metering and Protection." Thesis, Virginia Tech, 2015. http://hdl.handle.net/10919/51194.

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An entirely digital system is presented which has several benefits as compared to the systems that are deployed currently. Utilizing digital capabilities to a much greater extent than is currently used within the power system allows for various improvements upon the current system. One such improvement is the ease of configuring and using the system. Each device can easily alter its functionality through a user interface, and the addition of devices is as easy as plugging it in. Additionally, the burden on the transformer due to the increase in the number of devices is nullified. The informati

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Portillo, Urdaneta Levi. "A methodology for performance and compatibility evaluation of an all-digital substation protection system." Texas A&M University, 2006. http://hdl.handle.net/1969.1/4941.

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A power system protection system consists, at least, of an instrument trans- former, a protective device (relay), and a circuit breaker. Conventional instrument transformers bring currents and voltages from power network levels to much lower scaled-down replicas that serve as input signals to protective relays. The relay's function is to measure input signals (or a relationship among them in some cases) and compare them to defined operating characteristic thresholds (relay settings) to quickly decide whether to operate associated circuit breaker(s). Existing protection systems within a substat

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5

Borski, Roman. "Individuální záskok přívodních polí rozvodny 6 kV Energetika Třinec." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2013. http://www.nusl.cz/ntk/nusl-220154.

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The thesis titled Individual stand-by of incoming feeder of Energetika Třinec 6 kV substantion is theoreticaly and practically concived work that offers comprehensive information on automatic standby focused on the selected operation of Energetika Třinec. At present, the standby is in authention mode and thesis solves shutdown of transformer T5. The extract of automatic device indicates trouble-free operation and thesis focus on the power take-off for transformer T5. The theoretical part provides information about problems of own comsumption of power plants, automatic device of standby and pro

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Nick, Shawn. "An investigation approach to test protection intelligent electronic devices (IEDs) in IEC 61850 based substation automation systems (SAS) at station level." Thesis, Queensland University of Technology, 2014. https://eprints.qut.edu.au/74751/1/Shawn_Nick_Thesis.pdf.

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This thesis has developed a new approach to trace virtual protection signals in Electrical substation networks. The main goal of the research was to analyse the contents of the virtual signals transferred, using third party software. In doing so, a comprehensive test was done on a distance protection relay, using non-conventional test equipment.

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7

Pettersson, Mattias. "Ombyggnation och modernisering av transformatorstation för anslutning av vindkraft." Thesis, Högskolan Väst, Avd för elektro, lantmäteri och naturvetenskap, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:hv:diva-5130.

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Detta examensarbete är utfört på uppdrag av Rejlers Ingenjörer i Göteborg. Syftet med arbetet är att genom en projektering övergripande presentera utförandet, komponenter, funktioner, ekonomi och situationsplaner för två förslag på stationsutformningar i samband med en ombyggnation och utvidgning av en transformatorstation. Transformatorstationen har i nuläget två spänningsnivåer på 40 kV och 10 kV. I samband med ombyggnationen skall stationen kompletteras med ytterligare en spänningsnivå på 20 kV, för anslutning av ett antal vindkraftverk. För att anläggningen skall uppfylla grundläggande kra

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Guo, Hao. "Time synchronization and communication network redundancy for power network automation." Thesis, University of Manchester, 2017. https://www.research.manchester.ac.uk/portal/en/theses/time-synchronization-and-communication-network-redundancy-for-power-network-automation(4d12b703-b970-4b8e-8335-b1d0b44112b6).html.

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Protection and Control (P&C) devices requiring accurate timing within a power transmission substation are commonly synchronized by distributed Global Positioning System (GPS) receivers. However, utilities now request a timing system that is less dependent on the direct use of distributed GPS receivers, because of the reliability issue of GPS receivers. In addition, to reduce device-to-device cabling and enable interoperability among devices from multiple vendors, utilities are looking to adopt the Ethernet based IEC 61850 protocol suites to complement or replace a conventional hardwired second

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Yalda, Riad, and Miroslav Urosevic. "Automatic post-fault analysis based on disturbance data stored in substation devices : Approach towards the preventive maintenance." Thesis, KTH, Hälsoinformatik och logistik, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-252823.

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This report studies the possibilities of minimizing unplanned maintenance work and improving the availability of power supply by enabling preventive maintenance in power systems, without having to make additional investments in the existing systems. This was done using information from COMTRADE files (disturbance recording files) that are created in the event of a fault in the power system. The IEC 61850 standard facilitates the process of retrieving and analyzing the disturbance files by standardizing their format and the way they are stored. By creating a software solution that automatically

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Sousa, Carlos Alberto de. "Proposta de integração do sistema de automação de subestações retificadoras do sistema metrô-ferroviário brasileiro." Universidade de São Paulo, 2010. http://www.teses.usp.br/teses/disponiveis/3/3143/tde-18082010-161334/.

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Esta dissertação apresenta uma proposta de integração sistêmica da automação das subestações retificadoras do sistema metrô-ferroviário brasileiro. Esta dissertação também apresenta os ganhos de confiabilidade que podem ser obtidos, caso a mesma seja implementada, e a priorização da eficiência de operação do sistema em questão. A motivação deste trabalho deve-se à necessidade de atender à perspectiva de aumento de demanda de energia elétrica nos processos de expansão e modernização deste sistema, amplamente usado pela população brasileira. A partir do estudo e análise do atual sistema de autom

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Retonda-Modiya, John-Charly. "Development of an embedded system actuator node for intergration into an IEC 61850 based substation automation application." Thesis, Cape Peninsula University of Technology, 2012. http://hdl.handle.net/20.500.11838/1162.

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Thesis submitted in fulfilment of the requirements for the degree Master of Technology: Electrical Engineering in the Faculty of Engineering at the Cape Peninsula University of Technology, 2012<br>The introduction of the IEC 61850 standard in substations for communication networks and systems by the International Electrotechnical Commission (IEC) in 2003 provided the possibility for communication between devices of different manufacturers. However, the advent of this standard also brought about many challenges associated with it. The challenges introduced by this fairly recent standard of comm

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Luwaca, Emmanuel. "Virtualization of a sensor node to enable the simulation of IEC 61850-based sampled value messages." Thesis, Cape Peninsula University of Technology, 2014. http://hdl.handle.net/20.500.11838/1179.

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Thesis submitted in fulfilment of the requirements for the degree Master of Technology: Electrical Engineering in the Faculty of Engineering at the Cape Peninsula University of Technology 2014<br>The IEC 61850 standard, “Communication networks and systems in substations” was promulgated to accommodate the need for a common communication platform within substations for devices from different vendors. The IEC 61850 standard proposes a substation automation architecture that is Ethernet-based, with a “station-bus” for protection devices within the substation and a “process bus” where raw

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Ng, Anthony Kwok-Lung. "Risk Assessment of Transformer Fire Protection in a Typical New Zealand High-Rise Building." Thesis, University of Canterbury. Civil Engineering, 2007. http://hdl.handle.net/10092/1223.

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Prescriptively, the requirement of fire safety protection systems for distribution substations is not provided in the compliance document for fire safety to the New Zealand Building Code. Therefore, the New Zealand Fire Service (NZFS) has proposed a list of fire safety protection requirements for distribution substations in a letter, dated 10th July 2002. A review by Nyman [1], has considered the fire safety requirements proposed by the NZFS and discussed the issues with a number of fire engineers over the last three years. Nyman concerned that one of the requirements regarding the four

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Budovec, Michal. "Zvýšení úrovně spolehlivosti dodávky elektrické energie z hydrocentrály Jasenie do Železiarní Podbrezová." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2019. http://www.nusl.cz/ntk/nusl-399598.

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This thesis deals with operation of the Jasenie hydroelectric power plant, which supplies electricity to Železiarne Podbrezová Inc. This thesis describes actual operation, devices and equipment in all substations. The second chapter briefly describes company’s history and activities of the company. The next chapter mentions an overview of the sources of own electricity production. The fourth chapter in detail deals with actual situation of the hydroelectric power plant operation, describes devices and equipment in all substations. It also outlines what measures should be taken to increase the

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Pieters, Willem Diederick. "Monitoring, protection, and voltage control of parallel power transformers based on IEC 61850-9-2 process bus." Thesis, Cape Peninsula University of Technology, 2019. http://hdl.handle.net/20.500.11838/3067.

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Thesis (MEng (Electrical Engineering)--Cape Peninsula University of Technology, 2019<br>The purpose of an electrical power system is to supply electrical energy to the customers. Power transformers are required to transform the system voltage from generation to transmission and distribution levels. Protection and control systems must ensure that power system high voltage equipment such as transformers operate and deliver save, reliable and secure electricity supply. The aim of the project research work is to develop and implement a strategy, methods and algorithms for monitoring, protection

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Wistedt, Johan. "Digital secondary substations with auto-configuration of station monitoring through IEC 61850 and CIM." Thesis, Uppsala universitet, Elektricitetslära, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-360513.

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This thesis explore the possibility to automate a process for configuration of secondary substations monitoring and control. By using a network information system (NIS), information of secondary substations can be extracted, such as feeder naming, primary equipment type, rating and model. From this information an automated process of configuring the secondary substation is possible, which open up the possibility to cost-efficiently digitalise the distribution grid. In the project, the standard IEC 61850 for configuration of communications of intelligent electrical devices was used to automate

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Vavreczky, Gábor. "Otestovaní komunikace po IEC61850 s využitím GOOSE mezi ABB a Siemens ochranou." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2012. http://www.nusl.cz/ntk/nusl-219394.

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The main objective of this thesis is to examine the possibility of cooperation of IEDs from ABB and Siemens in accordance with IEC61850. The aim is to create and test a workflow, after which protection relays from ABB and Siemens will communicate with each other via GOOSE messages. This paper provides a description of the international standard IEC61850, as a theoretical basis. Describes in detail the configuration of protection relays SIPROTEC 7SA610 according to IEC61850. Work provides a description of the configuration tools PCM600 and IET600 which are used for configuration of protection r

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Абдалла, Ахмед Алі Мохамед, та Ahmed Ali Mohamed Abdullah. "Забезпечення надійності функціонування розподільчої мережі Борщівського РЕМ". Bachelor's thesis, Тернопільський національний технічний університет імені Івана Пулюя, 2021. http://elartu.tntu.edu.ua/handle/lib/35546.

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The 110 kV electric network of Borshchiv district of electric networks of OJSC "Ternopiloblenergo" was analyzed, which allowed to carry out further development of 110 kV networks. The calculation of active and reactive load on the tires of the substation "Losіach" for the smallest and largest modes of operation of the network. Three possible variants of development of 110 kV electric network of Borshchiv district of electric networks are offered and the choice of dead-end substation “Losіach” is substantiated, which will allow to save money when building a new power transmission li

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Mnguni, Mkhululi Elvis Siyanda. "Investigation of the application of IEC61850 standard in distribution busbar protection schemes." Thesis, Cape Peninsula University of Technology, 2013. http://hdl.handle.net/20.500.11838/1071.

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Thesis submitted in fulfilment of the requirements for the degree Master of Technology: Electrical Engineering in the Faculty of Engineering at the Cape Peninsula University of Technology Supervisor: Prof. R. Tzoneva Co-supervisor: Prof. P. Petev 2013<br>Busbars are the most important components in the distribution networks. Faults on the busbar are uncommon, however an occurrence of a busbar fault can lead to a major loss of power. Busbars are the areas in a substation where the levels of current are high and therefore the protective relay application is very critical. In order for the protec

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Супрун, В. О. "Проектування електропостачання багатоквартирного житлового будинку". Master's thesis, Сумський державний університет, 2018. http://essuir.sumdu.edu.ua/handle/123456789/71235.

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Розраховано та охарактеризовано електричне навантаження будинку, вибрано переріз провідників, вибрано апарати захисту, розраховано струм однофазного короткого замикання, розраховано заземлення. Вирішено економічні питання та розраховано собівартість продукту що проектується. По охороні праці вирішено питання аналізу впливу небезпечних та шкідливих факторів на електромонтера. Розраховано блискавкозахист.

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Бойко, К. О. "Модернізація електричних мереж 10кВ району м. Хмельницький". Thesis, Чернігів, 2021. http://ir.stu.cn.ua/123456789/25273.

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Бойко, К. О. Модернізація електричних мереж 10кВ району м. Хмельницький : випускна кваліфікаційна робота : 141 "Електроенеретика, електротехніка та електромеханіка" / К. О. Бойко ; керівник роботи Ы. В. Діхтярук ; НУ "Чернігівська політехніка", кафедра електричної інженерії та інформаційно-вимірювальних технологій. – Чернігів, 2021. – 73 с.<br>Об'єкт - район високовольтних електричних мереж 10кВ м. Хмельницький. Мета - модернізації ЗТП 138 з метою підвищення надійності та ефективності район високовольтних електричних мереж 10кВ м. Хмельницький. У випускній кваліфікаційній роботі проведено розр

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Váhala, Václav. "Nastavení ochranných funkcí pro zadanou rozvodnu VN." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2017. http://www.nusl.cz/ntk/nusl-316922.

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The thesis is focused on the protection concept for medium voltage substation. The first theoretical part of thesis describes given medium voltage substation. Substation consists of two incoming feeders and six outgoing feeders. Due to the size of the substation was selected one outgoing feeder which is the subject of description and protection concept. Next part of the thesis is a description of the protective functions used to protect the elements in the selected feeder. This part contains a detailed description of the function and setting options for protection. The main part of the thesis

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Кісіль, Н. П. "Аналіз режиму роботи та вибір електричного обладнання підстанції 35/10 кВ". Master's thesis, Сумський державний університет, 2018. http://essuir.sumdu.edu.ua/handle/123456789/71218.

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Виконано аналіз режимів роботи підстанції напругою 35/10 кВ та вибір основного електричного обладнання на ній. На основі вихідних даних про об’єкт дослідження, проведений вибір силових трансформаторів, вакуумних вимикачів, обмежувачів перенапруги, вибір схеми електричних з’єднань, розрахунок струмів короткого замикання та заземлення. За результатами проведених розрахунків зроблено вибір електрообладнання, апаратури релейного захисту та автоматики. В розділі охорони праці проведений розрахунок заземлення. В економічному розділі наведено розраховані основні показники економічної ефективності.

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Thompson, Adam Craig. "The Future of Substations: Centralized Protection and Control." Thesis, Virginia Tech, 2016. http://hdl.handle.net/10919/73177.

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Modern power substations continue to use hardware that is dated and resistant to modernization. This document discusses the basics of substations, identifies their weaknesses, and suggests a method of improvement. This suggestion implements a centralized protection and control system to make the overall system more robust and flexible to the ever changing power system landscape.<br>Master of Science

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Величко, В. В. "Розрахунок електричних навантажень та вибір високовольтного обладнання підстанції 35/6 кВ". Master's thesis, Сумський державний університет, 2018. http://essuir.sumdu.edu.ua/handle/123456789/71251.

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Розраховано навантаження та вибрано високовольтне обладнання електричної підстанції напругою 35/6 кВ, розраховано струм короткого замикання, розраховано заземлення та блискавкозахист. Проведено вибір силового трансформатора підстанції за техніко-економічним розрахунком. В розділі охороні праці виконано аналіз впливу небезпечних та шкідливих факторів.

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Skoff, Nicholas Michael. "Performance Analysis of Sampled Values-Based Protection in IEC 61850 Process Bus Networks." Thesis, Virginia Tech, 2020. http://hdl.handle.net/10919/98591.

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As the IEC 61850 digital substation standard becomes progressively adopted by utilities throughout the world, entirely computerized methods will completely replace traditional strategies for monitoring the power system. Although newer techniques offer enhanced efficiency and controllability, their reliability is not as established as that of conventional practices. Modern approaches require extensive validation and analysis before they can be implemented on a widespread basis. One specific area of interest is the performance of protection systems that utilize voltage and current samples dig

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Foltýn, Petr. "Řešení elektrizace nové lokality elektrickou energií." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2011. http://www.nusl.cz/ntk/nusl-219030.

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This master’s thesis is concerned with the proposal of new locality electrification. There are 59 detached houses. The thesis is divided into theoretical part and computational part. In the theoretical part, there are all documents necessary for the successful proposal of the electrification. In the computational part is drafted distribution substation, high voltage power cable, proposal of low voltage power cables and protection. Each part is made for two versions (for the degree of electrification A and for the degree of electrification C) and recorded in cadastral maps. The proposal of dist

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Mguzulwa, Ncedo Richard. "Investigation of interoperability of IEC 61850 protection functions." Thesis, Cape Peninsula University of Technology, 2018. http://hdl.handle.net/20.500.11838/2704.

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Thesis (Master of Engineering in Electrical Engineering)--Cape Peninsula University of Technology, [2018].<br>Introduction of IEC 61850 standard defined substation automation system communication. The need of interoperability among the relevant devices coming from different vendors is a necessity to ensure utilities/municipalities obtain value for money. Vendors used their own proprietary tools to achieve communication in a substation. This caused an Intelligent Electronic Device (IED) from vendor A could not communicate with an IED from vendor B. Utilities/municipalities are forced to depend

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Киведжі, Василь Володимирович, та Vasyl Kyvezhdi. "Реконструкція системи електропостачання селища міського типу". Bachelor's thesis, Тернопільський національний технічний університет імені Івана Пулюя, кафедра електричної інженерії, Тернопіль, Україна, 2021. http://elartu.tntu.edu.ua/handle/lib/35312.

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В сучасних умовах стає складним і відповідальним завданням виконання проектів систем електропостачання сільськогосподарського призначення. Прийняття проектних рішень має безпосередній вплив на загальну кількість і об’єм монтажних робіт, безпечність і зручність експлуатації електротехнічного обладнання. Проектування систем електропостачання для певних об’єктів в основ-ному залежить від існуючих класів напруги в цьому об'єкті. Клас напруги, який знаходиться в експлуатації, в більшості випадків визначає капітало-вкладення на проектування об'єкта і кількісні показники втрат потужності та електрич

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Глєбов, Олег Юрійович. "Вдосконалення заземлювальних пристроїв електричних підстанцій для забезпечення безаварійної роботи вторинних кіл". Thesis, Національний технічний університет "Харківський політехнічний інститут", 2019. http://repository.kpi.kharkov.ua/handle/KhPI-Press/40844.

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Дисертація на здобуття наукового ступеня кандидата технічних наук за спеціальністю 05.14.02 – електричні станції, мережі та системи. – Національний технічний університет "Харківський політехнічний інститут", Харків, 2019 р. Дисертацію присвячено вдосконаленню заземлювальних пристроїв підстанцій напругою 330(220)/150(110) кВ за критерієм запобігання пошкодження ізоляції кабелів струмових захистів при ударі блискавки та при короткому замиканні на шинах розподільного пристрою вказаних класів напруги. На підставі аналізу експериментальних даних, отриманих на 80 діючих підстанціях України, визнач

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Глєбов, Олег Юрійович. "Вдосконалення заземлювальних пристроїв електричних підстанцій для забезпечення безаварійної роботи вторинних кіл". Thesis, Національний технічний університет "Харківський політехнічний інститут", 2019. http://repository.kpi.kharkov.ua/handle/KhPI-Press/40840.

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Дисертація на здобуття наукового ступеня кандидата технічних наук за спеціальністю 05.14.02 – електричні станції, мережі та системи. – Національний технічний університет "Харківський політехнічний інститут", Харків, 2019 р. Дисертацію присвячено вдосконаленню заземлювальних пристроїв підстанцій напругою 330(220)/150(110) кВ за критерієм запобігання пошкодження ізоляції кабелів струмових захистів при ударі блискавки та при короткому замиканні на шинах розподільного пристрою вказаних класів напруги. На підставі аналізу експериментальних даних, отриманих на 80 діючих підстанціях України, визначе

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Ingram, David M. E. "Assessment of precision timing and real-time data networks for digital substation automation." Thesis, Queensland University of Technology, 2013. https://eprints.qut.edu.au/60892/5/60892.pdf.

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This project researched the performance of emerging digital technology for high voltage electricity substations that significantly improves safety for staff and reduces the potential impact on the environment of equipment failure. The experimental evaluation used a scale model of a substation control system that incorporated real substation control and networking equipment with real-time simulation of the power system. The outcomes confirm that it is possible to implement Ethernet networks in high voltage substations that meet the needs of utilities; however component-level testing of devic

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Ratshitanga, Mukovhe. "Investigation and design of an integrated monitoring, protection, and control system of a power reticulation network." Thesis, Cape Peninsula University of Technology, 2018. http://hdl.handle.net/20.500.11838/2710.

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Thesis (Master of Engineering in Electrical Engineering))--Cape Peninsula University of Technology, 2018.<br>As far as substation automation systems are concerned, one of the prime requirements of most utilities today is the interoperability between Intelligent Electronic Devices (IEDs) of different manufacturers. The standard IEC 61850 - Communication Networks and Systems in Substations - allows such interoperability between IEDs for protection and automation of substations. Presently, many manufacturers have implemented, or are in the process of implementing this standard in their IEDs. Thi

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Зінченко, І. М. "Модернізація підстанції 35/10 кВ «М. Дівиця» АТ «Чернігівобленерго»". Thesis, Чернігів, 2021. http://ir.stu.cn.ua/123456789/25276.

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Зінченко, І. М. Модернізація підстанції 35/10 кВ «М. Дівиця» АТ «Чернігівобленерго» : випускна кваліфікаційна робота : 141 "Електроенеретика, електротехніка та електромеханіка" / І. М. Зінченко ; керівник роботи В. М. Безручко ; НУ "Чернігівська політехніка", кафедра електричної інженерії та інформаційно-вимірювальних технологій. – Чернігів, 2021. – 131 с.<br>Об’єкт дослідження дипломної роботи – двотрансформаторна електрична підстанція 35/10кВ “М. Дівиця”, яка розташована на території Прилуцького району Чернігівської області. Мета даної дипломної роботи – зменшення витрат електроенергії на вл

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Hanák, Miroslav. "Návrh transformační stanice pro vyvedení výkonu z fotovoltaické elektrárny." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2009. http://www.nusl.cz/ntk/nusl-217818.

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This master’s thesis engages in project of outgoing transformer unit for the photovoltaic power station. It describes project and its design documentation what conducts to practising of construction. It has compared investing to more expansive transformer what has lower loss. It describes charges of operation’s transformer in twenty years. It leads project of cable low voltage. It compares whether is better to use aluminium or cupric cables. Project is led with respect for investment costs and minimum of operation loss.

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Igarashi, Gilberto. "Estudo da IEC 61850 e o seu impacto no sistema de automação de subestações." Universidade de São Paulo, 2008. http://www.teses.usp.br/teses/disponiveis/3/3143/tde-02062008-134244/.

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Nos Sistemas de Automação de Subestação atuais são utilizados equipamentos digitais chamados IED (Dispositivos Eletrônicos Inteligentes), incorporando as funções de proteção, automação e medição. Estes, para trocarem informações entre si, utilizam um canal de comunicação serial, sendo os dados transmitidos de forma digital por meio de vários protocolos, muitos deles proprietários, o que dificulta a integração entre eles. Neste cenário entra a norma IEC 61850 oferecendo um padrão a ser seguido entre os fabricantes de IED. Este trabalho tem por objetivo apresentar um estudo da norma e a análise

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Covre, Helber Peixoto. "Integração de dados dos sistemas de proteção de subestações distribuidoras." Universidade de São Paulo, 2011. http://www.teses.usp.br/teses/disponiveis/3/3143/tde-12032012-123239/.

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Nas subestações das grandes concessionárias de distribuição de energia elétrica coexistem sistemas de proteção com diferentes tecnologias, formados por relés eletromecânicos, estáticos e digitais, que, em alguns casos, continuarão funcionando por algumas décadas. Essa diversidade de tecnologias implica em sistemas com características de hardware e software diferentes, o que dificulta a implantação de funcionalidades locais e remotas que sejam interoperáveis. Dessa forma, torna-se interessante desenvolver um sistema baseado nas diferentes plataformas de proteção do mercado, com o objetivo de in

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Junior, Giovanni Manassero. "Sistema para localização de faltas em linhas de transmissão com subestações conectadas em derivação." Universidade de São Paulo, 2006. http://www.teses.usp.br/teses/disponiveis/3/3143/tde-13032007-010055/.

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Este trabalho tem por objetivo apresentar o desenvolvimento e a implementacao em uma rotina computacional, de algoritmos para a localizacao de faltas em linhas de transmissao com subestacoes conectadas em derivacao. Os algoritmos propostos neste trabalho integram uma metodologia para localizacao de faltas, que e capaz de identificar corretamente o ponto de ocorrencia do defeito utilizando as componentes de fase dos fasores de tensoes e correntes, calculadas atraves dos registros desses sinais, efetuados por oscilografos digitais e/ou reles de protecao instalados nos terminais da linha de trans

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Komárek, Filip. "Návrh rekonstrukce stávající vstupní rozvodny a kabelové sítě 22 kV v areálu fakultní nemocnice." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2018. http://www.nusl.cz/ntk/nusl-377072.

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This master's thesis deals with the area hospital distribution networkand one of the hospital's entry substation. The first part of this master's thesis deals with the project of the new cable network, her gradual revival without any power outages at the collection points. Futher, in this thesis is project of temporary transformer station for supplying power during the reconstruction of the HV switchboard. Subsequently, in this thesis is project of the new HV switchboard in one of the entry substation. new HV switchgear and a new HV substation were projected. Futher, in this thesis is proposed

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Gannholm, Fredrik. "Optimering av selektivplaner och dessbetydelse för samhället." Thesis, KTH, Hälsoinformatik och logistik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-230677.

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Vid ombyggnationer och utbyggnationer av elnät förändras dess karakteristik.Detta leder till att skyddsfunktioner kan behöva justeras för att passa elnätets nyakarakteristik. Justeringar kan medföra att selektiviteten mellan skydden försvinner.Selektivitet innebär att endast skyddet närmast felet bryter strömmen, så atten så liten del som möjligt av elnätet blir strömlöst. För att säkerställa att selektivitetråder mellan skydden utformas selektivplaner där selektiviteten visuellt kananalyseras och vid behov utförs justering av skydden. Rotebro mottagningsstation iSollentuna ägs och drivs av So

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Chin-shu, Huang, and 黃金樹. "Lighting Protection and Grounding of Substation." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/67496013168388552727.

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碩士<br>崑山科技大學<br>電機工程研究所<br>95<br>This research introduces the lightning rod and its evolution, aiming on the lightning receiving effect based on theories.The theme focuses on the phenomena of lightning occurrence and its rate struck in Taiwan. In order to conduct the research practically, the performance of overhead ground wire in Lung-chi E/S was examined based on ATP package software for transient simulation on the ground system of substation when the tower was struck by a lightning stroke. The over-voltages induced at different sites, which is inside the substation, were simulated. Meanwhil

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Li, Chun-yen, and 李俊彥. "Analysis of Arc Flash Protection for Unit Substation." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/62822311177302675742.

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碩士<br>國立臺灣科技大學<br>電機工程系<br>96<br>This thesis focuses on the arcing fault hazard analysis and protection for unit substation. Two main topics are extensively studied on this paper. (1)Personal safety: Based on IEEE Std 1584, establish a spread sheet to estimate the arcing fault currents, incident energy and flash-protection boundary for the subject unit substations. The results are used for predicting the hazard class and evaluating the personal protective equipment (PPE) required by NFPA-70E to ensure personal safety in the working area. (2)Equipment protection: With the estimated arcing fault

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Kannangara, Indunil Chanaka. "Low cost integrated substation protection and control system." Thesis, 1994. https://vuir.vu.edu.au/17909/.

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With the recent developments in the digital equipment associated with the power system such as digital relays and transducers the development of integrated substation protection and control systems were possible. In this thesis the use of the currently available very sophisticated and reliable, yet inexpensive high level third generation software to develop such application is dicussed. Low cost integrated system does not depend on any particular power protection or control manufacturers protocol but uses standard IEEE '802.3 Carrier Sense Multiple Accesses/Collision Detection (CSMA/CD)

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Zhang, Wei-Yu, and 張瑋育. "Simulation and Analysis of Lightning Strike Protection and Protection Margin for Secondary Substation." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/665z84.

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碩士<br>國立高雄應用科技大學<br>電機工程系博碩士班<br>102<br>This study is developing lightning strike protection for S/S (Secondary Substation) and protection margin simulation analysis. To protect arresters on transmission lines or substation outdoor, Taipower applies ZnO Arresters widely used for its characteristics as non-linear, fast-response, great absorptive capacity, and non-continuity. In this ATP-EMTP to simulate whether S/S outside meets protection margin criteria of ANSI/IEEE under various lightning current and analyze the relationship between arresters location and protection margin. Based on the resu

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Morais, Bruno. "Emerging Technologies and Future Trends in Substation Automation Systems for the Protection, Monitoring and Control of Electrical Substations." Dissertação, 2013. http://hdl.handle.net/10216/73912.

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Morais, Bruno Tiago Pires. "Emerging technologies and future trends in substation automation systems for the protection, monitoring and control of electrical substations." Master's thesis, 2013. http://hdl.handle.net/10216/72634.

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Morais, Bruno Tiago Pires. "Emerging Technologies and Future Trends in Substation Automation Systems for the Protection, Monitoring and Control of Electrical Substations." Master's thesis, 2013. https://repositorio-aberto.up.pt/handle/10216/66849.

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Morais, Bruno Tiago Pires. "Emerging technologies and future trends in substation automation systems for the protection, monitoring and control of electrical substations." Dissertação, 2013. http://hdl.handle.net/10216/72634.

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"Surge Arrester Placement for Long Transmission Line and Substation." Master's thesis, 2018. http://hdl.handle.net/2286/R.I.49328.

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abstract: Prior work in literature has illustrated the benefits of using surge arrester as a way to improve the lighting performance of the substation and transmission line. Installing surge arresters would enhance the system reliability but it comes with an extra capital expenditure. This thesis provides simulation analysis to examine substation-specific applications of surge arrester as a way of determining the optimal, cost-effective placement of surge arresters. Four different surge arrester installation configurations are examined for the 500/230 kV Rudd substation which belongs to the ut

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Ozansoy, Cagil Ramadan. "Design & Implementation of a Universal Communications Processor for Substation Integration, Automation and Protection." 2006. http://eprints.vu.edu.au/527/1/527contents.pdf.

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Substation Automation (SA) is a rapidly increasing area of interest in Electrical Engineering these days embracing numerous benefits to utilities. It is clearly the most dynamic and exciting new development in the substation industry with the ultimate goal of efficiently managing operations, maintenance and capital assets with minimal human intervention [1-4]. Intelligent Electronic Devices (IEDs), which are Instrumentation & Control (I&C) devices built using microprocessors, are the most important elements of a SA system. An IED is primarily used as a monitoring, control, protection or data p

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