Central Computer Control and Protection Functions

Blose, J. B.; Burtnyk, V.; Clark, D. M.; Dewey, C. G.; Halverson, C. D.; Hewitt, C. Gordon; Lewis, W. A.; Niessink, T.; Peterson, J.W.; Phadke, A.G.; Talley, V.; Tsien, Hsue-shen; Tudor, J. R.; Volzka, Donald R.; Walker, Lewis N.; Zimering, R.; Pashley, R. W.

doi:10.1109/tpas.1978.354467

Cited by 4 publications

(1 citation statement)

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“…Usualmente, as metodologias de análise contingencial são aplicadas separadamente nos sistemas de transmissão e distribuição, contudo esta abordagem não atende a todas concessionárias de energia, pois em alguns casos a concessão inclui diferentes níveis de tensão (sub-transmissão e distribuição, por exemplo) e restringe o espaço de busca de soluções factíveis. Na década de 1970 foram publicados (SWARTHUT e FIEDLER, 1973;BLOSE et al, 1978;RUSSELL, MASIELLO, BOSE, 1979 Os principais componentes e serviços de um sistema Smart Grid são:…”

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Operação eficiente de redes inteligentes em cenários contingenciais

Neto¹,

Tomassetti²

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The present work aims at proposing an automatic computational methodology to electrical systems operational management in real time via the interruption diagnosis and effect attenuation plan definition by means of system topology determination with load curtailment in load transference capacity exhaustion conditions. The proposed methodology tackles large electrical systems with different voltage levels, such as sub-transmission and distribution systems simultaneously with distributed generators. The Tabu Search is applied to minimize the out-of-service area and the number of switching operations during contingencies with priority customer, load curtailment and distributed generators. The software codification and data structure applied provide computational efficiency, favoring the application to electrical systems operation in real time and the proposed model is validated with test systems from the literature, ensuring the computational efficiency and quality of results.

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Section: Contribuiçãounclassified

Operação eficiente de redes inteligentes em cenários contingenciais

Neto¹,

Tomassetti²

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Trends in Adaptive Distance Protection of Multiterminal and Double-Circuit Lines

Bhalja

Maheshwari

2006

Electric Power Components and Systems

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With the changing technologies in the field of power system relaying, new protection concepts addressing new technologies are coming to the market. Therefore we need to keep track of international experiences and activities taking place in the field of modern protective systems. This paper gives a bibliographical survey, mathematical formulations, and general backgrounds of research and developments in the field of protection of multiterminal lines and double-circuit lines during the past 50 years, based on more than 100 published articles. Different techniques for parallel line protection and various methods for multiterminal lines are studied and an evaluation of them is undertaken with their advantages and disadvantages for identification of optimum technique as applied to specific applications. At the end, the philosophy of a new adaptive digital distance relaying scheme is also conceptualized. The collected literature has been divided into many sections so that new researchers do not face any difficulty in carrying out research in any specific area of the next generation's adaptive distance protection.

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