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 (PVV)
Pantograph View Video (PVV)
Pantograph View Video (PVV)

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)