FIELD: electricity.
SUBSTANCE: at the test section of the rail road voltage between the rail and removed ground, the voltage of a contact catenary system at the test section borders, and traction current are measured. Simultaneously instrument readings are taken at the moment when the electric rolling-stock passes the sectioning post under the traction mode. At that rail voltage is accepted different from zero and is measured relatively to the "remote" ground.
EFFECT: possibility of resistance determination of the catenary and rail system.
2 cl, 1 dwg
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