Dynamic brake controls emd sd 40-2

Описание к видео Dynamic brake controls emd sd 40-2

Maximum dynamic brake strength is obtained between 19 and 23 MPH, depending on traction motor gear ratio. Below 5 MPH dynamic braking is not very effective. Remember this is for our old DC units. AC units from what I'm told by those
who have run them, have better dynamic braking at lower speeds.

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