Thread: Upgrading sub surface tube lines to 750V
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Old April 19th 10, 07:30 PM posted to uk.transport.london,uk.railway
D7666 D7666 is offline
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Default Upgrading sub surface tube lines to 750V
On Apr 12, 2:57*pm, "Peter Corser"
wrote:

The Central Line is already 750V - it was converted with the last upgrade..


Was it ?

Not according to what I see , and what I have checked on, today, with
the DC traction SCADA indicating line wide values fluctuating around
620 +/- 10 V ... that suggests its 630 V

--
Nick
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