FIELD: transport.
SUBSTANCE: method of control of rail circuits condition consists in finding maximum voltage in shunt and reference performance and minimal voltage in normal performance under unfavourable conditions for determining limit voltage for loaded and free rail circuits. At that additional shunts are used with resistance <<0.06 ohm. Threshold loaded voltage is chosen as ample value exceeding biggest of voltage values obtained in shunt and reference performance with excess less than minimal voltage in normal performance. Threshold free rail voltage is calculated from threshold loaded voltage adjusted for reset ratio equal to 0.9-0.95.
EFFECT: increase of reliability of control of rail circuits condition.
3 dwg
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