FIELD: telemechanics.
SUBSTANCE: invention relates to automation and telemechanics on railway transport. Method of protecting automatic interlocking system equipment on railway transport at main symmetrical cable with twisted-pairs, ensuring operation of equipment of two terminal stations of interlocking system, grounding of armour and metal cladding is performed on grounding circuit of each point of interlocking system, and in middle of main cable insulating sleeve is installed, disconnecting its metal shell and cable armour.
EFFECT: reduction of induced voltage in signals and interlocking system circuits.
1 cl, 1 dwg
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