...pantograph spaces and will be electronically capable of AC/DC operation, like all new 3rd rail stock... a rectifier, i assume. Or do modern DC trains work by inverting the DC into a low-voltage AC at the same frequency as an OHLE supply and... to build a system to which the AC bits could be added later, and to... have a PTSO 10t heavier than the DC versions TSO, according to the Platform 5 ...
...: My understanding is that when you have three-phase AC motors, all power sources (AC, DC and diesel) are converted to DC at some point, That being the simplest way to handle.... The simplest source for that is a fixed voltage DC supply - then within practial limits of the traction application more or less any AC frequency or voltage can be derived. So in ...
... <andyp...@gmail.com> wrote: Modern EMUs use three phase traction motors and both AC and DC line voltages need to be converted for the three phase power electronics. My understanding is that when you have three-phase AC motors, all power sources (AC, DC and diesel) are converted to DC at some point, before being fed into the electronics that create the ...
... and will be electronically capable of AC/DC operation, like all new 3rd ...rectifier, i assume. Or do modern DC trains work by inverting the DC into a low-voltage AC at the same frequency as an OHLE ... phase traction motors and both AC and DC line voltages need to be...build a system to which the AC bits could be added later, ..., but have never used the AC equipment in anger (except maybe for...
..., the ELL ones will have pantograph spaces and will be electronically capable of AC/DC operation, like all new 3rd rail stock. ... And a rectifier, i assume. Or do modern DC trains work by inverting the DC into a low-voltage AC at the same frequency as an OHLE supply and using...makes sense to build a system to which the AC bits could be added later, and to leave ...
..., the ELL ones will have pantograph spaces and will be electronically capable of AC/DC operation, like all new 3rd rail stock. ... And a rectifier, i assume. Or do modern DC trains work by inverting the DC into a low-voltage AC at the same frequency as an OHLE supply and using...makes sense to build a system to which the AC bits could be added later, and to leave ...
... Of course, the ELL ones will have pantograph spaces and will be electronically capable of AC/DC operation, like all new 3rd rail stock. Indeed, this is a key point for all present generation EMU. ... electronics are already capable. -- Nick ELL units will be DC only and all others will be AC/DC.. Dazz285
... 9:42 am, John B <s...@johnband.org> wrote: Of course, the ELL ones will have pantograph spaces and will be electronically capable of AC/DC operation, like all new 3rd rail stock. Indeed, this is a key point for all present generation EMU. Although in the general case of all types (i....
... no need for the ELLX rolling stock to have AC equipment, but I was under the impression that...378 Electrostar trains for London Overground were all ordered as dual system (i.e. AC & DC) stock - am I wrong in thinking this..., the ELL ones will have pantograph spaces and will be electronically capable of AC/DC operation, like all new 3rd rail stock. -- John Band john at johnband dot ...
... the NLL tracks will be AC between Dalston and Camden Road, ... new NLL trains will В run on AC all the way from Stratford to... ELLX will be an entirely DC operation, and its trains, though ... for the NLL, will be DC only). Peter Obviously under the ... ELLX rolling stock to have AC equipment, but I was under ... as dual system (i.e. AC & DC) stock - am I wrong ...
