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Disconnector switching in GIS: three-phase testing and phenomena | IEEE Journals & Magazine | IEEE Xplore

Disconnector switching in GIS: three-phase testing and phenomena


Abstract:

Certification tests in accordance with the requirements of the recent IEC 61259 standard for switching of bus-charging current by disconnecters of a (three-phase enclosed...Show More

Abstract:

Certification tests in accordance with the requirements of the recent IEC 61259 standard for switching of bus-charging current by disconnecters of a (three-phase enclosed) 145 kV gas insulated switchgear (GIS) are described. These tests are primarily aimed at verifying that the discharge between the disconnector contacts does not introduce internal arc faults. Special emphasis is given to the high-frequency measuring system, used to verify a sufficiently severe waveshape of switching transients in the MHz range. Three-phase tests were performed, showing phenomena that were not demonstrated in practice before: first, it was shown that phase-to-phase voltage transients with a higher amplitude than the phase-to-ground values do actually occur. Second, the phase-to-phase capacitive coupling of the busbar system could raise the trapped charge, left after at the load side of the installation after disconnection, to values above 1 pu. In addition, measurements of induced voltages in the secondary system are reported.
Published in: IEEE Transactions on Power Delivery ( Volume: 15, Issue: 1, January 2000)
Page(s): 122 - 127
Date of Publication: 31 January 2000

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Cites in Papers - |

Cites in Papers - IEEE (11)

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1.
Fani Barakou, Peter A. A. F. Wouters, Shima Mousavi-Gargari, Jan P. W de Jong, E. Fred Steennis, "Online Transient Measurements of EHV Cable System and Model Validation", IEEE Transactions on Power Delivery, vol.34, no.2, pp.532-541, 2019.
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6.
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7.
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9.
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10.
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11.
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Cites in Papers - Other Publishers (7)

1.
Shijun Bai, Fanding Yue, Lincui Zeng, Yi Li, Chuanchuan Wang, Xiaohua Wang, Mingzhe Rong, "A Study to Resist Conduced Interference from GIS Bus-Charging Currents Switching for Electronic Current Transformer", Electronics, vol.10, no.8, pp.957, 2021.
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Peter Wouters, Armand van Deursen, Mischa Vermeer, "Methodology and accuracy for non-invasive detection of switching transient overvoltages from compensation coils connected to power transformers", IET Science, Measurement & Technology, vol.14, no.2, pp.173-181, 2020.
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