Technical Information
Originally the engines were planned to be of Finnish design (Wärtsilä Vaasa 8R22), but after tests with two prototype locos, the engine type was changed into French Pielstick 12PA4-V-200VG. The Pielsticks produced originally 1660 kW, but in 1997 they were limited to an output of 1500 kW to increase durability.
The locomotive was very modern at its time and it was among the first to use microprocessor-controlled GTO thyristor inverter-driven three-phase asychronous AC motors. The construction is modular, and data is transmitted via optical fiber cables between modules. The maximum speed is 140 km/h. The maximum frequency of the inverters corresponds to 156 km/h, and the locomotive has reached that in test runs. The locomotive provides 400 kW 1500V electricity for heating of passenger cars.
Read more about this topic: VR Class Dr16
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