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Today there is an increasing number of DC applications where powerful DC fault arcs are likely to occur. These arcs are of potential risk for persons while working at the DC power equipment. DC arc conditions have not yet been analysed very well. There is a lack of information and detailed strategies on how to protect workers against short-circuits with fault arcs in DC power systems. Laboratory measurements...
Cutting-off of 2-phase and 3-phase arcing faults in 400 V systems by means of LV fuse links has been analyzed in laboratory arc test series, with measuring the remaining arc energy and thermal incident energy converted in the fault arcs and limited by the fuse operation. The conditions were determined under which personal protection may be submitted by using of PPE class 1 and class 2 according to...
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