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| Re: PHOTOS: CALTRANS CALTRAIN VII (1544803) | |||
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Re: PHOTOS: CALTRANS CALTRAIN VII |
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Posted by Olog-hai on Mon Apr 27 17:44:01 2020, in response to Re: PHOTOS: CALTRANS CALTRAIN VII, posted by Bill West on Mon Apr 27 16:47:05 2020. How would it be "cheaper" to install HVDC rectifiers at substations when that does nothing to simplify the architecture versus merely having AC transformers? Never mind the maintenance costs of devices that are not commonplace. Not to mention, on the locomotive you aren't necessarily simplifying things; adding a transformer to step down HVDC to replace an on-board rectifier doesn't reduce costs. |
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