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In the US Northeast, there are some modern asynchronous AC electric locomotives; all European in origin:

  • AMTRAK's HHP-8, 21 locos made by Bombardier and Alstom
  • AMTRAK's AEM-7 are thyristor-regulated locomotives (based on the successful Swedish Rc4), but 29 of them got new AC equipment from Alstom (AEM-7AC)
  • NJ Transit's ALP-46 (which I showed in this comment): 29 locos based on the ABB (later ADtranz, even later Bombardier) made DB class 101
  • NJ Transit ordered 27 ALP-46A, called an "upgraded" version, though in reality from Bombardier's current TRAXX platform, only with the outward appearance of the ALP-46.

Regarding hybrids, while GE tries hard, others already have the technology, and Bombardier won two orders for a hybrid version of the ALP-46A: 26 from NJ Transit and 20 from Montreal's AMT.

*Lunatic*, n.
One whose delusions are out of fashion.
by DoDo on Mon Jun 22nd, 2009 at 04:56:30 AM EST
[ Parent ]
thanks

doing a little reading on this, one thing I had not known is that the power companies complained about the first generation thyristor regulators on TVs because they induced DC in the grid.

by rootless2 on Mon Jun 22nd, 2009 at 11:57:08 AM EST
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