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EnglishThe resonant grounding is one of the possible methods of system neutral grounding for the medium-voltage distribution. IEEE standards do define this grounding configuration, but important advantages and drawbacks of the resonant grounding might not be fully known, due to its rather uncommon application in North America. On the other hand, resonant grounding in Europe is imposed by the increased requirements for power quality, especially for medium-voltage industrial users, and imposed to electric utilities by Regulatory Authorities, with the purpose to protect the interests of users and consumers. Level of the continuity of the service, magnitude and phase of ground-fault currents, magnitude of touch voltages, all depend on how the neutral is connected to ground. In this paper, the authors will discuss electrical safety features of the resonant ground, and analyze issues when a substation, originally operated with different methods of system neutral grounding, is reconfigured with a resonant ground.
| Data di pubblicazione: | 2019 |
| Titolo: | Electrical safety of resonant grounding |
| Autori: | |
| Citazione: | Mitolo, M., Tartaglia, M., & Zizzo, G. (2019). Electrical safety of resonant grounding. In Conference Record - Industrial and Commercial Power Systems Technical Conference (pp. 1-5). Institute of Electrical and Electronics Engineers Inc.. |
| Abstract: | The resonant grounding is one of the possible methods of system neutral grounding for the medium-voltage distribution. IEEE standards do define this grounding configuration, but important advantages and drawbacks of the resonant grounding might not be fully known, due to its rather uncommon application in North America. On the other hand, resonant grounding in Europe is imposed by the increased requirements for power quality, especially for medium-voltage industrial users, and imposed to electric utilities by Regulatory Authorities, with the purpose to protect the interests of users and consumers. Level of the continuity of the service, magnitude and phase of ground-fault currents, magnitude of touch voltages, all depend on how the neutral is connected to ground. In this paper, the authors will discuss electrical safety features of the resonant ground, and analyze issues when a substation, originally operated with different methods of system neutral grounding, is reconfigured with a resonant ground. |
| ISBN: | 978-1-5386-7551-9 |
| Digital Object Identifier (DOI): | 10.1109/ICPS.2019.8733369 |
| Settore Scientifico Disciplinare: | Settore ING-IND/33 - Sistemi Elettrici Per L'Energia |
| Appare nelle tipologie: | 2.07 Contributo in atti di convegno pubblicato in volume |
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