Academic literature on the topic 'Phase-differential busbar protection'
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Journal articles on the topic "Phase-differential busbar protection"
Kuzhekov, S. L., A. A. Degtyarev, N. A. Doni, L. N. Kostarev, and A. Yu Fedotov. "Analysis of Measures that Exclude the Non-Selective Actions of Differential Collecting Busbar Protection in External Two-Phase Short Circuits with the Saturation of Current Transformers Included in Fault-Free Phases." Power Technology and Engineering 53, no. 6 (March 2020): 737–44. http://dx.doi.org/10.1007/s10749-020-01149-3.
Full textSugumar, Bharath Kumar, and Sujatha Balaraman. "Implementation of Differential Algorithm for Busbar Protection." International Research Journal of Multidisciplinary Technovation, March 25, 2019, 150–57. http://dx.doi.org/10.34256/irjmt19220.
Full textKulagin, D. O., D. V. Fedosha, V. V. Nitsenko, S. Yu Shevchenko, and D. O. Danylchenko. "Using a phase-differential busbar protection for switchgears of power system facilities." Naukovyi Visnyk Natsionalnoho Hirnychoho Universytetu, no. 4 (August 2019). http://dx.doi.org/10.29202/nvngu/2019-4/10.
Full textNicenko, V. V., D. A. Kulagin, P. V. Mahlin, and A. N. Klimko. "STUDY OF KEY DESIGN PARAMETERS OF DIFFERENTIAL-PHASE PROTECTION OF BUSBARS OF POWER FACILITIES AND FACTORS OF ELECTRICAL NETWORKS AFFECTING THEIR CHOICE." Electrical Engineering and Power Engineering, no. 2 (February 22, 2017). http://dx.doi.org/10.15588/1607-6761-2015-2-12.
Full textDissertations / Theses on the topic "Phase-differential busbar protection"
Ніценко, Володимир Вікторович. "Підвищення показників ефективності функціонування релейного захисту збірних шин розподільчих установок." Thesis, Запорізький національний технічний університет, 2018. http://repository.kpi.kharkov.ua/handle/KhPI-Press/34557.
Full textDissertation for a candidate degree (PhD) in Engineering Sciences of the speciality 05.14.02 – Electric power stations, networks and systems. – National technical university "Kharkiv polytechnic institute", Kharkiv, 2018. The dissertation is devoted to the solution of the actual scientific and practical problem in the field of relay protection of electric power systems elements, which is to increase the efficiency of relay busbar protection of switchgears. In this work, the method of phasedifferential busbar protection has been improved, according to which the currents phases comparison algorithm is applied as the sole means of providing absolutely selective protection in emergency conditions, and a group of non-configured parametric settings is introduced that reduces the probability of its non-selective operation through mistakes made by the personnel, as well as due to optimization start and trip conditions of protection operation, its performance increases at internal faults, which allows to refuse the application a high-sensitive protection relay. In order to improve the performance and eliminate the regime limitation of the use of relay protection devices, the method of compensating angular errors of saturated current transformers in the phase-differential busbar protection in the part of ensuring the extension of logic voltage impulses formed from half-waves of distorted currents is improved. The working parameters of the phase-differential busbar protection have been selected, namely the blocking angle is 900 and the impulse formation level is (40-50)%·Іamp, which will ensure its reliable and selective operation in emergency conditions. The mathematical and simulation modeling of the phasedifferential protection behavior and laboratory experiments of its model was carried out, which allowed to confirm the adequacy of the developed model of protection, the efficiency of its algorithms and the correctness of the selected working settings. There were completed analysis of technical and economic indicators of the phase-differential busbar protection using, on the basis of which were determined its advantages compared with the devices of differential busbar protection and approximate estimates of the economic efficiency of its implementation and operation.
Ніценко, Володимир Вікторович. "Підвищення показників ефективності функціонування релейного захисту збірних шин розподільчих установок." Thesis, НТУ "ХПІ", 2018. http://repository.kpi.kharkov.ua/handle/KhPI-Press/34554.
Full textDissertation for a candidate degree (PhD) in Engineering Sciences of the speciality 05.14.02 – Electric power stations, networks and systems. – National technical university "Kharkiv polytechnic institute", Kharkiv, 2018. The dissertation is devoted to the solution of the actual scientific and practical problem in the field of relay protection of electric power systems elements, which is to increase the efficiency of relay busbar protection of switchgears. In this work, the method of phasedifferential busbar protection has been improved, according to which the currents phases comparison algorithm is applied as the sole means of providing absolutely selective protection in emergency conditions, and a group of non-configured parametric settings is introduced that reduces the probability of its non-selective operation through mistakes made by the personnel, as well as due to optimization start and trip conditions of protection operation, its performance increases at internal faults, which allows to refuse the application a high-sensitive protection relay. In order to improve the performance and eliminate the regime limitation of the use of relay protection devices, the method of compensating angular errors of saturated current transformers in the phase-differential busbar protection in the part of ensuring the extension of logic voltage impulses formed from half-waves of distorted currents is improved. The working parameters of the phase-differential busbar protection have been selected, namely the blocking angle is 900 and the impulse formation level is (40-50)%·Іamp, which will ensure its reliable and selective operation in emergency conditions. The mathematical and simulation modeling of the phasedifferential protection behavior and laboratory experiments of its model was carried out, which allowed to confirm the adequacy of the developed model of protection, the efficiency of its algorithms and the correctness of the selected working settings. There were completed analysis of technical and economic indicators of the phase-differential busbar protection using, on the basis of which were determined its advantages compared with the devices of differential busbar protection and approximate estimates of the economic efficiency of its implementation and operation.
Conference papers on the topic "Phase-differential busbar protection"
Narendra, K., D. Fedirchuk, N. Zhang, R. Midence, N. Perera, and V. Sood. "Phase angle comparison and differential rate of change methods used for differential protection of busbars and transformers." In Energy Conference (EPEC). IEEE, 2011. http://dx.doi.org/10.1109/epec.2011.6070183.
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