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Post by will on Mar 21, 2016 18:15:33 GMT
According to Twitter delays are going to affect the line till the end of traffic anyone know more ? Thanks  |
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Post by jimini on Mar 21, 2016 20:00:43 GMT
I'm at Stratford now (was fearing the worst) and it's now minor delays, ~3 min waits between trains, and no overcrowding. Good to go!
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Post by jamesb on Mar 21, 2016 20:26:30 GMT
Not sure if connected but this morning I was going WB and we stopped at Leytonstone (due to 'something on track' at Leyton requiring turning off traction current ahead) then we stopped at Leyton (and was told that traction current had to be turned off again).
I wondered if there was something wrong with the train ahead (e.g. shoe gear problem). Then it all went back to normal and we proceeded normally.
Maybe unconnected but was a bit strange.
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North End
Beneath Newington Causeway
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Post by North End on Mar 22, 2016 0:45:58 GMT
Not sure if connected but this morning I was going WB and we stopped at Leytonstone (due to 'something on track' at Leyton requiring turning off traction current ahead) then we stopped at Leyton (and was told that traction current had to be turned off again). I wondered if there was something wrong with the train ahead (e.g. shoe gear problem). Then it all went back to normal and we proceeded normally. Maybe unconnected but was a bit strange. Not sure if this is the same thing, however there's a problem at Bow Substation (between Mile End and Stratford). I don't know the details, however it could be something like a rectifier being out of commission for some reason. In this situation the power supply is more prone to tripping out on overload, for example if too many trains are drawing too much current in the area. The solution is to ensure not too many trains are in the section, which could place a capacity pinchpoint which affects the service capability of the entire line. The above is educated speculation, so others may be able to add to this. |
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Deleted
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Post by Deleted on Mar 22, 2016 5:03:50 GMT
They only allowed 39 trains in the section at one time due to loading problems
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Post by robv on Mar 22, 2016 8:47:35 GMT
Still severe delays this morning since 7.20am
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Post by will on Mar 22, 2016 9:48:23 GMT
Does that mean 39 trains for the whole line or just between stations i.e Stratford and Mile End? Thanks  ? |
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Post by Tubeboy on Mar 22, 2016 9:48:46 GMT
North End is correct, the problem is at Bow Substation, a faulty transformer needs replacing. Until that happens, services through the area are being thinned out.
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Chris M
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Post by Chris M on Mar 22, 2016 10:19:54 GMT
Does that mean 39 trains for the whole line or just between stations i.e Stratford and Mile End? Thanks ? It will be 39 trains in the section of line that has power supplied by Bow substation. I don't know what the extent of that section is, but it will be between the two you suggest. |
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hobbayne
RIP John Lennon and George Harrison
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Post by hobbayne on Mar 22, 2016 10:35:33 GMT
At about 19.00 hrs last night, there were 27 trains cancelled.
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Post by androom on Mar 22, 2016 13:24:28 GMT
Does that mean 39 trains for the whole line or just between stations i.e Stratford and Mile End? Thanks ? It will be 39 trains in the section of line that has power supplied by Bow substation. I don't know what the extent of that section is, but it will be between the two you suggest. According to Mr Taggart it's between White City and Leytonstone.  |
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Deleted
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Post by Deleted on Mar 22, 2016 13:27:51 GMT
According to a internal document which I can not share it was effecting services east of Bow Substation so that would make it Liverpool Street to Epping / Hainault
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Post by domh245 on Mar 22, 2016 13:39:56 GMT
It will be 39 trains in the section of line that has power supplied by Bow substation. I don't know what the extent of that section is, but it will be between the two you suggest. According to Mr Taggart it's between White City and Leytonstone. The actual section affected would probably be shorter, but it'll cause disruption between those 2 points because they are the only places that they can turn trains whilst still maintaining an acceptable frequency. |
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Chris M
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Post by Chris M on Mar 22, 2016 14:15:40 GMT
Indeed, the Central Line could really do with a three-platform station in zone 1 that could reverse trains from either direction without needing to delay the service by tipping people out. I wonder if anyone at TFL has had the same thought. "What can we do with the British Museum siding I wonder?" Before we get too off-topic for this thread, I'm going to start a new one in the RIPAS area. |
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Post by superteacher on Mar 22, 2016 19:26:29 GMT
<<I've moved a number of posts to the RIPAS thread created by Chris M as they are discussing extra platforms / reversing facilities as opposed to the power issues.>>
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Post by will on Mar 22, 2016 19:48:44 GMT
Apparently the power supply issues will go on all week! This will add to the delays and disruption caused by the Piccadilly Line strike tomorrow night and Thursday.
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Post by sawb on Mar 23, 2016 19:59:08 GMT
Central line now showing as running a "good service". Does this mean it's fixed or did someone get a bit carried away updating the service statuses?
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Deleted
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Post by Deleted on Mar 23, 2016 20:28:22 GMT
Fixed at around 18:00 tonight rectifier changed in Bow Substation
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Post by Tubeboy on Mar 24, 2016 10:41:10 GMT
According to an internal LU bulletin, the replacement was taken from Roding Valley. I suppose it's a lot quicker than waiting for one to be supplied.
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hobbayne
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Post by hobbayne on Mar 24, 2016 19:53:51 GMT
The original one has been sent off for repair and will returned to ROV not Bow.
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