| 摘要 |
PROBLEM TO BE SOLVED: To prevent opening of an inspection lid of a high voltage equipment box, in a state where any current collector collects electric power from an overhead power line.SOLUTION: At least one pantograph 4 for collecting electric power from an overhead power line and at least one key box 5 are provided for each vehicle unit. A high voltage equipment box 6 provided in each vehicle unit comprises: a storage part for storing high voltage equipment to be supplied with the electric power; an openable-closable inspection lid 6B; and lock devices 6CA and 6CB for the high voltage equipment box for locking/unlocking the inspection lid 6B. The key box 5 stores keys 7A and 7B inside for unlocking the lock devices 6CA and 6CB for the high voltage equipment box. The lock devices 6CA and 6CB for the high voltage equipment box, of the high voltage equipment box 6 can unlock the inspection lid 6B by using the keys 7A and 7B, in all the vehicle units. |
