Technical Data
EP09 is a Bo-Bo electric locomotive working in 3000 V DC electric system. The box is placed on two bogies. Each bogie has two, separately propelled axles. Crew compartments are located on either side of the box. There are battery box and air tanks mounted between bogies. Traction motors and transmissions are locked inside bogies. Behind each crew compartment the machine compartment is located. High voltage compartment is situated in the middle of the machine. EP09 is the first Polish locomotive to have electro-dynamic brakes. This enables braking the locomotive using the motors configured to work as generators. It is worth noting, that this device works only with speed below 140 km/h, due to first planned top speed of the locomotive. Other modifications to EP09 machine were e.g. ergonomic dashboard and windscreens equipped with internal heating.
Since locomotive number 38 the system of suspending locomotive on bogies was changed into Flexicoil and single pantographs (DSA200, Stemmann production) were mounted instead of the previously used double ones. Another important change during the production process is installing air conditioning system (since locomotive number 40). At present PKP works on bringing all machines into the same standard as the last two locomotives (046 and 047) brought into service in January 1998.
Read more about this topic: PKP Class EP09
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