FIELD: transportation.
SUBSTANCE: invention relates to electrified railways. Method of reducing magnetic effect of railway contact system on linear automatic blocking circuits of direct current consists in fact, that the linear automatic blocking circuit, which is subject to electromagnetic effect, is divided into galvanically isolated from each other sections by means of the additional combined relay connection. At that, power supply of each section of linear circuit is provided from local power supply, through contacts of this relay.
EFFECT: reduction of induced voltage in linear DC circuit.
1 cl, 1 dwg
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