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Reading Electrification and MUs
http://www.rypn.org/forums/viewtopic.php?f=1&t=41499
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Author:  T. Grubb [ Thu Dec 28, 2017 7:14 pm ]
Post subject:  Reading Electrification and MUs

In researching Reading electrification and MUs, I’ve discovered that not all sources are in agreement about the Reading’s line voltage. Some sources say 11,000 v while others say 12,000 v. Does anyone know the right answer?

Thank you.

Author:  RDGRAILFAN [ Thu Dec 28, 2017 7:29 pm ]
Post subject:  Re: Reading Electrification and MUs

The 11K is the correct answer, different than the PRR. Good article in Trains about Reading Company electrics.
http://cs.trains.com/trn/f/111/t/238288.aspx

Author:  jettrainfan [ Thu Dec 28, 2017 9:41 pm ]
Post subject:  Re: Reading Electrification and MUs

Excuse my ignorance, but what difference would 1,000 volts make?

Author:  dinwitty [ Thu Dec 28, 2017 10:18 pm ]
Post subject:  Re: Reading Electrification and MUs

You get a little more transmission distance without loss. This is why the Virginian used high voltage.

Author:  EJ Berry [ Fri Dec 29, 2017 12:39 pm ]
Post subject:  Re: Reading Electrification and MUs

Both PRR (1915) and RDG (1931) initiated their main track electrifications at 11 kV, 25 Hz. Over time, each was increased to 12 kV, 25 Hz, currently used by Amtrak and SEPTA.

This is congruent with the increase in US household power from 110 V, 60 Hz to 120 V, 60 Hz.

Phil Mulligan

Author:  Jdelhaye [ Sat Dec 30, 2017 1:30 pm ]
Post subject:  Re: Reading Electrification and MUs

jettrainfan wrote:
Excuse my ignorance, but what difference would 1,000 volts make?

16% less transmission loss

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