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Re: What does the freight/commute switch do on an SDP-45
Author: Dr Zarkoff
Date: 07-31-2013 - 20:39

"Transition" comes form Latin (via French) and means "place across". In railroad terms "transition" means the reconnection of traction motors from one set of connections, usually "series" in which the traction motors are connected in series with each other, to another scheme of connections, normally "parallel" in which the motors are all connected in parallel (as the locomotive speeds up). This is "forward transition"; "backwards transition" is the opposite of this process (as the locomotive slows down). Modern thyristor control etc. has done away with transition.

NOTE: this is the simple explanation, without mention of series-parallel and all that.

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Subject Written By Date/Time (PST)
  What does the freight/commute switch do on an SDP-45 HUTCH 7.62 07-30-2013 - 21:32
  Re: What does the freight/commute switch do on an SDP-45 Wes Swift 07-30-2013 - 21:39
  Re: What does the freight/commute switch do on an SDP-45 Chris Walker 07-30-2013 - 22:54
  Re: What does the freight/commute switch do on an SDP-45 P. Kepler 07-30-2013 - 23:11
  Re: What does the freight/commute switch do on an SDP-45 RWS 07-30-2013 - 23:48
  Re: What does the freight/commute switch do on an SDP-45 Erik H. 07-31-2013 - 07:11
  Re: What does the freight/commute switch do on an SDP-45 P. Kepler 07-31-2013 - 08:56
  Re: What does the freight/commute switch do on an SDP-45 Dr Zarkoff 07-31-2013 - 10:04
  Re: What does the freight/commute switch do on an SDP-45 OPRRMS 07-31-2013 - 11:20
  Re: What does the freight/commute switch do on an SDP-45 HUTCH 7.62 07-31-2013 - 17:23
  infamous SDP-45 HUTCH 7.62 07-31-2013 - 18:04
  Re: infamous SDP-45 Tom Moungovan 07-31-2013 - 19:13
  Re: infamous SDP-45 Margaret (SP) fan 07-31-2013 - 21:49
  Re: infamous SDP-45 HUTCH 7.62 08-02-2013 - 22:33
  Re: infamous SDP-45 Fred 08-03-2013 - 12:58
  Re: infamous SDP-45 HUTCH 7.62 08-05-2013 - 19:25
  Re: What does the freight/commute switch do on an SDP-45 OPRRMS 07-31-2013 - 19:08
  Re: What does the freight/commute switch do on an SDP-45 Dr Zarkoff 07-31-2013 - 20:39
  Locomotive electrical systems HUTCH 7.62 07-31-2013 - 21:41
  Re: Locomotive electrical systems SP5103 08-01-2013 - 09:30
  Re: Locomotive electrical systems ex-BN 08-01-2013 - 10:40
  Re: Locomotive electrical systems Dr Zarkoff 08-01-2013 - 10:44
  Re: Locomotive electrical systems SP5103 08-01-2013 - 13:46
  Re: Locomotive electrical systems is transition in the MG or the TM 07-24-2015 - 06:16
  Re: Locomotive electrical systems Dr Zarkoff 08-01-2013 - 09:59
  Re: Locomotive electrical systems mook 08-01-2013 - 18:06
  Re: Locomotive electrical systems HUTCH 7.62 08-01-2013 - 19:27
  Re: Locomotive electrical systems Dr Zarkoff 08-01-2013 - 19:43
  Re: Locomotive electrical systems HUTCH 7.62 08-02-2013 - 18:47
  Re: Locomotive electrical systems SP5103 08-01-2013 - 20:31
  Re: Locomotive electrical systems Dr Zarkoff 08-01-2013 - 21:24
  SDP-45 porn HUTCH 7.62 08-02-2013 - 22:36
  Re: SDP-45 porn WAF 08-03-2013 - 12:07
  Re: Locomotive electrical systems SP5103 08-03-2013 - 13:04
  Re: Locomotive electrical systems Dr Zarkoff 08-04-2013 - 11:32
  Re: Locomotive electrical systems Dr Zarkoff 08-05-2013 - 19:31
  Re: What does the freight/commute switch do on an SDP-45 RR Gary 08-03-2013 - 15:34
  Re: What does the freight/commute switch do on an SDP-45 OPRRMS 08-03-2013 - 17:24


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