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Comparison of impedance based fault location methods for power distribution systems |
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| Authors: | J. Mora-Flò rez,J. Melé ndez,G. Carrillo-Caicedo |
| Affiliation: | 1. Electrical Engineering School, Technological University of Pereira (UTP), La Julita, Pereira, Colombia;2. Electronics, Computer Engineering and Automatics Department, University of Girona (UdG), EPS, Campus Montilivi, 17071 Girona, Spain;3. Electrical Engineering School, Industrial University of Santander (UIS), Cra 27-Cll 9, Bucaramanga, Colombia |
| Abstract: | Performance of 10 fault location methods for power distribution systems has been compared. The analyzed methods use only measurements of voltage and current at the substation. Fundamental component during pre-fault and fault are used in these methods to estimate the apparent impedance viewed from the measurement point. Deviation between pre-fault and fault impedance together with the system parameters are used to estimate the distance to the fault point. |
| Keywords: | Fault location Impedance based methods Power distribution systems Power quality |
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