Ski collector

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This is an electrical power collector used on stud contact electrification systems. It is also referred to as a skate or skate collector.

It is a flat plate slightly longer than the maximum distance between any two studs. This ensures that at all times the collection is in contact with at least one stud. This type of electrical power collector needs to move in the vertical plane to allow for natural differences in the height of the power supply studs.

While the obvious use is on railway power collection, the system also has applications wherever electrical energy needs to be transferred from a static source to moving user, or vice versa.