DMA Pantograph View Video (PVV)

The Pantograph View Video system produces digital images for pantograph inspection and defect detection.

The Pantograph visual inspection system is composed of the following modules:

  1. Pantograph View Video (PVV)
  2. Pantograph thermal camera (OPTIONAL)
  3. LED illuminators

Pantograph View Video

The Pantograph View Video (PVV), also called the pantocam, is a visual inspection system installed on the vehicle’s roof, usually above the centre of the track, close to the pantograph. PVV consists of a video camera that collects digital images of the pantograph while in operation mainly for visualization and review of the contact wire – pantograph interface and possible detected defects.

Standard Configuration

The system can inspect the pantograph/contact wire interface and the rest of the pantograph elements as listed below.

  • Overhead-line/Contact line
  • Clamps
  • Holders
  • Side-wards
  • Arms
  • Isolators
  • Electrical connections
  • Section separators
  • Measurement stick on contact shoe (with pantograph up)