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IRSE Exam Forum › MODULES › Module 5 › Train Detection v
interuptor on TI tracks


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interuptor on TI tracks
timpane Offline
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29-08-2013, 05:52 AM (This post was last modified: 23-01-2016, 07:28 AM by timpane.)
Howver tt has to be the case for TI21, since these work at audio frequencies and therefore any track circuit jumpers are far more significant; whereas for a dc or 50Hz ac track their resistance is not too significant, at frequencies around 2kHz then the inductive impedance begins to make a difference.









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Messages In This Thread
interuptor on TI tracks - by Archie - 25-07-2011, 08:17 PM
RE: interuptor on TI tracks - by PJW - 25-07-2011, 09:30 PM
RE: interuptor on TI tracks - by Archie - 26-07-2011, 05:07 AM
RE: interuptor on TI tracks - by PJW - 26-07-2011, 07:54 AM
RE: interuptor on TI tracks - by Jerry1237 - 26-07-2011, 08:06 AM
RE: interuptor on TI tracks - by Archie - 26-07-2011, 08:43 PM
RE: interuptor on TI tracks - by reuben - 01-08-2011, 04:53 PM
RE: interuptor on TI tracks - by timpane - 29-08-2013, 05:52 AM

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