Experimental Studies of Arc Motion Between Two Parallel Runners with Splitter Plates
Keywords:LVCB, splitter plate, arc motion, arc voltage
AbstractIn this paper, we present an experimental study in a simpliﬁed arc chamber geometry of Low-Voltage Circuit Breaker (LVCB). The inﬂuence of vent aperture on arc motion and the inﬂuence of splitter plates on arc voltage drop and arc motion are studied. The arc chamber is composed by two parallel arc runners and following the conﬁguration chosen by one or two splitter plates. The experimental setup is completed by a generator (capacitor bench with triggered switch), a high-speed camera and electrical measurements. The arc ignition, arc displacement, arc splitting and arc re-strike have been observed. The results will be described and discussed for diﬀerent experimental conﬁgurations.
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