A numerical approach to identify the fault location on 22 KV Daklak distribution grid
Corressponding author's email:
quangndhtd@epu.edu.vnKeywords:
Short-circuit current, fault location, simulation, measurement, distribution gridAbstract
The rapid detection of accident zone, as short-circuit, is very important in improving the stability and power quality of the system, particularly in grids with difficult geographical conditions. This article introduces a method which could quickly delineate short-circuit fault location by establishing the corresponding matrix between nodes on grid and short circuit current value. A 22kV Daklak distribution grid – E471 line is studied. A big data of input as load, source, season coefficient, utilization coefficient and all four types of short circuit have been considered and calculated in detail. The modeling results will be compared to the value of measurement to valid the studied method.
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