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ET25/Dragon: ‘traction force’ displays actually show % of maximum tractive effort/maximum electrical power, rather than kN force


Schyrsivochter

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This is the same issue as the Pendolino had when it first came out, which has since been fixed.

Above the point where electrical power becomes the limiting factor (around ~50 km/h), traction force should steadily decrease as the train accelerates. And real acceleration as simulated certainly does decrease. However, the two displays (total on the centre display, per-motor on the left) keep showing a steady value that depends directly on the drive handle position, with the kN scale now meaningless.

An example: today I was driving a train and I was accelerating. At 75 km/h, with the drive handle at around 60 %, the current through the pantograph read a bit below 1000 A. With a voltage of 3300 V, let’s approximate the electrical power as 3,200,000 W. Divide that by my speed and you get ~154 kN total. The traction display, however, showed something around 250 kN.

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