| 摘要 |
FIELD: electricity.SUBSTANCE: present invention is related to low-voltage power supply line for devices along a railway line or an underground line. At that this line receives energy from high-voltage and direct-current overhead line passing at the surface instead of a special power line mounted along the track for this purpose.EFFECT: reduction of costs and improvement of reliability in operation of the low-voltage line.5 cl, 3 dwg |
