There is no WAP-7 D of 7000 Hp under production.
Wikipedia Info isn't updated properly.
WAP-7 production are of normal version, only the few of them are getting upgraded to IGBT version.
The wire which carries 25 k V transfers the power to the 3 phase motors down.
WAP-7...
more... has touched 189 km/h in trail runs under oscillation car, and has potential to run at higher speed, but at limited conditions.