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#32
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08-26-2014, 02:08 AM
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| My Rank: LANCE CORPORAL Poster Rank:2308 Join Date: Apr 2010 Posts: 199 Mentioned: 0 Post(s) Quoted: 43 Post(s)
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Re: Kid Climbs on Train, Lights Up
as already discussed, it's the current that kills, you only need enough volts to overcome resistance.
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#36
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08-27-2014, 01:59 AM
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| So Fucking Banned Poster Rank:174 Join Date: May 2010 Posts: 8,808 Mentioned: 30 Post(s) Quoted: 5360 Post(s)
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Re: Kid Climbs on Train, Lights Up
ok i may have mis-spoke; apologies: "Overhead systems Tyne and Wear Metro is the only United Kingdom system that uses 1,500 V DC. 1,500 V DC is used in the Netherlands, Japan, Hong Kong (parts), Republic of Ireland, Australia (parts), India (around the Mumbai area alone, has been converted to 25 kV AC like the rest of the country), France (also using 25 kV 50 Hz AC), New Zealand (Wellington) and the United States (Chicago area on the Metra Electric district and the South Shore Line interurban line). In Slovakia, there are two narrow-gauge lines in the High Tatras (one a cog railway). In Portugal, it is used in the Cascais Line and in Denmark on the suburban S-train system. Nottingham Express Transit in United Kingdom uses a 750 V DC overhead, in common with most modern tram systems. In the United Kingdom, 1,500 V DC was used in 1954 for the Woodhead trans-Pennine route (now closed); the system used regenerative braking, allowing for transfer of energy between climbing and descending trains on the steep approaches to the tunnel. The system was also used for suburban electrification in East London and Manchester, now converted to 25 kV AC. 3 kV DC is used in Belgium, Italy, Spain, Poland, the northern Czech Republic, Slovakia, Slovenia, western Croatia, South Africa and former Soviet Union countries (also using 25 kV 50 Hz AC). It was formerly used by the Milwaukee Road from Harlowton, Montana to Seattle-Tacoma, across the Continental Divide and including extensive branch and loop lines in Montana, and by the Delaware, Lackawanna & Western Railroad (now New Jersey Transit, converted to 25 kV AC) in the United States, and the Kolkata suburban railway (Bardhaman Main Line) in India, before it was converted to 25 kV 50 Hz AC. DC voltages between 600 V and 800 V are used by most tramways (streetcars), trolleybus networks and underground (subway) system" |