Ingenieur Vol 63 Ingenieur Vol 63 2015 | Page 21

Appendix I MALAYSIA’S ELECTRIC RAILWAYS: A SYSTEMS VIEW From a systems viewpoint, electric railways comprise two major sub-systems mainly: (A) Traction Power System (B) Signalling and Control System (A) Traction Power System The objective of traction power system is to ensure uninterrupted reliable and safe operation of electric traction vehicles/trains. Traction power supply system can be subdivided into: • Traction power transmission/distribution, • Traction power feeding, Figure A1: Structure of Traction Power Supply for KTMB and PRASARANA RapidRail ­­­Railway Systems 19