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EnglishAn easy and swift method to evaluate, in a system of interconnected earth electrodes, earth potentials on earthing systems of medium-voltage/low-voltage (MV/LV) substations, in an event of single-line-to-earth fault inside a high-voltage/mediumvoltage (HV/MV) station, is presented. The advantage of the method is the simplicity of the mathematical model for solving complex systems of any size with a sufficient accuracy for practical purposes. This paper shows the results of simulations, performed on networks with different extensions and characteristics, organized in easy-to-read graphs and tables. A comparison of these results with the values obtained according to the procedure explained in the IEC-Standard 60909–3, and a study on the accuracy of the method has been made. Moreover, some considerations on the inclusion of earth electrodes of HV/MV stations within global earthing systems are done.
Campoccia, A., Mineo, L., & Zizzo, G. (2008). A method to evaluate voltages to earth during an earth fault on a HV network in a system of interconnected earth electrodes of MV/lv substations. IEEE TRANSACTIONS ON POWER DELIVERY, 23, 1763-1772.
| Data di pubblicazione: | 2008 |
| Titolo: | A method to evaluate voltages to earth during an earth fault on a HV network in a system of interconnected earth electrodes of MV/lv substations |
| Autori: | |
| Citazione: | Campoccia, A., Mineo, L., & Zizzo, G. (2008). A method to evaluate voltages to earth during an earth fault on a HV network in a system of interconnected earth electrodes of MV/lv substations. IEEE TRANSACTIONS ON POWER DELIVERY, 23, 1763-1772. |
| Rivista: | |
| Digital Object Identifier (DOI): | http://dx.doi.org/10.1109/TPWRD.2007.915905 |
| Abstract: | An easy and swift method to evaluate, in a system of interconnected earth electrodes, earth potentials on earthing systems of medium-voltage/low-voltage (MV/LV) substations, in an event of single-line-to-earth fault inside a high-voltage/mediumvoltage (HV/MV) station, is presented. The advantage of the method is the simplicity of the mathematical model for solving complex systems of any size with a sufficient accuracy for practical purposes. This paper shows the results of simulations, performed on networks with different extensions and characteristics, organized in easy-to-read graphs and tables. A comparison of these results with the values obtained according to the procedure explained in the IEC-Standard 60909–3, and a study on the accuracy of the method has been made. Moreover, some considerations on the inclusion of earth electrodes of HV/MV stations within global earthing systems are done. |
| Appare nelle tipologie: | 1.01 Articolo in rivista |
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