ChME3T (ЧMЗ3T)

In 1984, two prototypes of ChME3T where built. ChME3T is a younger brother of ChME3 (CHME3), which is six axle diesel locomotive with electric transmission built by ČKD (Českomoravská Kolben-Daněk – one of the largest engineering companies in the former Czechoslovakia and today’s Czech Republic). Main differnce between ChME3 and ChME3T is that the latter has a rheostatic brake. In addition, diesel ChME3T is equipped with a device for heating the diesel engine after long parking and maintain a constant water temperature in the cooling system of a diesel engine. It should be noted that the braking resistor unit above the roof of the locomotive is the only easily noticeable external difference between ChME3T and ČME3 locomotives. Rheostatic braking is a method of electric braking in which an electric motor operates as a generator. The kinetic energy of the motor rotor and connected load is dissipated in a starting rheostat or a special braking rheostat and a braking torque is produced on the shaft of the machine. Rheostatic braking lowers the wear of friction-based braking components and additionally regeneration can also lower energy consumption. The successful testing of ChME3T resulted the further manufacturing. Production lasted until 1992, 1167 locomotives where built in total.

Diesel engine output: 1000 kW, 1,300 hp;
Maximum speed: 59 mph;
Locomotive weight: 114-126 t.

Photo by:
R. Povilauskas
romualdas@povilauskas.lt

img_3922 img_4029 img_4762 img_7183 img_7184 p1060173


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