Toshiba completed a six-axle 3-kV DC chopper-controlled electric locomotive intended for overseas railways using a new-type of semiconductor GTO (gate turnoff) thyristor: and highly efficient Freon-evaporative cooling technology for power semiconductors. Although the rail gage is narrow (1065 mm), the locomotive output is raised to 3090 kW. In addition, a microprocessor-based digital control system improves the locomotive driving ability and facilitates maintenance and repair of the electrical equipment through a self-diagnosis function.
3000 kW-3000 V DC chopper-controlled electric locomotives
3000 kW-3000 V Gleichstrom, von Zerhacker geregelte elektrische Lokomotive
Toshiba Review, International Edition ; 152 ; 5-10
1985
6 Seiten, 1 Quelle
Article (Journal)
English
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