Transformer
In contrast to locomotives of other classes, the transformer in class 101 is hung underneath the floor of the engine room on the frame, which enabled a very clean and uncluttered configuration of the engine room. This also caused the design of the transformer to be quite different from previous locomotives. The tank is constructed of light weight steel, but needed to be rugged enough to withstand a minor derailment or other accident; hence, some areas were reinforced with stronger welded sections.
The transformer features seven electric coils:
- 4 coils for the supply of the power converters with 1,514 volts and 1.6 MVA
- 2 coils for the supply of the trainlines (which supplies power to all carriages for heating and cooling and other power needs) and disturbance current filters with 1,000 volts and 600 kVA
- 1 coil for the supply of the three auxiliary inverters with 315 volts and 180 kVA
- 1 coil for the supply of the battery charger, driver's cab heater and air conditioner, and pressure protection, with 203 volts and 20 kVA
The transformer is cooled by a cooling agent made of a polyol-ester mix, which is recirculated by two independent canned motor pumps; these pumps make the occurrence of leaks almost impossible. Each pump can be sealed off separately, and can therefore be easily replaced. In cases where one pump fails, the cooling agent remains in the transformer tank; the transformer is capable of providing power at 65% of full capacity with just one pump in operation.
Read more about this topic: DBAG Class 101
Famous quotes containing the word transformer:
“Man, became man through work, who stepped out of the animal kingdom as transformer of the natural into the artificial, who became therefore the magician, man the creator of social reality, will always stay the great magician, will always be Prometheus bringing fire from heaven to earth, will always be Orpheus enthralling nature with his music. Not until humanity itself dies will art die.”
—Ernst Fischer (1899–1972)