Park's red buses get an upgrade

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llholmes1948
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Park's red buses get an upgrade

Post by llholmes1948 »

Link to an item in the Flathead Beacon:

https://flatheadbeacon.com/2018/12/02/g ... ilitation/
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Re: Park's red buses get an upgrade

Post by PeteE »

Quote below is from here:
http://trn.trains.com/railroads/abcs-of ... ic-braking
It works like this: While the train is coasting, the engineer, using an eight-notch controller similar to the throttle, energizes the traction-motor fields, causing the motors to act as generators. The resistance of the motor field acts as a brake on the locomotive, which in turn helps to slow the train. The electric current generated by the motors in the dynamic-braking mode is a waste product and is dissipated as heat in banks of resistors located in the locomotive carbody.
I wonder if this hybrid system will, by coincidence or design, produce a brake assist albeit small,from the generator charging the batteries on the downhill legs of the Red Bus routes.
Be cool if so, it'll save a little wear on the brakes.

(The energy generated on the red bus is used to charge the battery pack of the hybrid system, and NOT dissipated as heat in a resistor bank as in a locomotive's "dynamic braking system".)

Any locomotive design engineers out there? 8)

pete :wink:
"If you are not curious, you will learn nothing" -Goethe-

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And when you're born in America, you're given a front row seat."

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