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Re: Insulated Rail Joints.

Subject: Re: Insulated Rail Joints.
From: Mark Bau <markbau@altavista.com>
Date: Mon, 11 Sep 2000 08:27:22 GMT
Newsgroups: aus.rail
Organization: EarthLink Inc. -- http://www.EarthLink.net
References: <8pc717$ph2$1@bugstomper.ihug.com.au> <39B9CCB9.A65CE111@ozemail.com.au><8phdsa$s1a$1@nnrp1.deja.com>
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Xref: bclass.spectrum.com.au aus.rail:18434



> From: signal_spotter@my-deja.com
> Organization: Deja.com - Before you buy.
> Newsgroups: aus.rail
> Date: Mon, 11 Sep 2000 01:52:16 GMT
> Subject: Re: Insulated Rail Joints.
 You may notice, around points, steel boxes (about 1m sq)
> mounted on posts. These are Impedance Bonds and their purpose is to
> allow the 1500v traction return current to flow around the Block Joint
> but still provide electrical isolation for the track circuit.
> 
> regards Ian
> Signal Design Engineer
> 

Similar to a tuneable joint coupler where a track circuit like for a road
crossing has to go through an insulated joint.

Mark

Follow-Ups:
- Re: Insulated Rail Joints.
  - From: "B." <gunzel412@dingoblue.gunzel.net.au>

References:
- Insulated Rail Joints.
  - From: "Tony Gatt" <baulko@tig.com.au>
- Re: Insulated Rail Joints.
  - From: David Johnson <trainman@ozemail.com.au>
- Re: Insulated Rail Joints.
  - From: signal_spotter@my-deja.com

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