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| Re: Fuel Cell Train. (A friend sent this to me by email.) (1431651) | |||
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Re: Fuel Cell Train. (A friend sent this to me by email.) |
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Posted by pragmatist on Wed Mar 29 21:08:31 2017, in response to Re: Fuel Cell Train. (A friend sent this to me by email.), posted by menJop on Wed Mar 29 20:56:32 2017. To maximize the effectiveness of larger fuel cells (which tend to be solid oxide rather than PEM) you need to have a use for the heat they produce. It is one of the reasons they are more apt to be used for a co-gen (combined heat and power) setup rather than straight power generation. Since they produce DC, if they were used with an AC cat system they would require rather large inverters and transformers. The bigger F/C units take natural gas feeds, and use some of the heat to strip the hydrogen from the natural gas. |
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