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| To: | [email protected] |
|---|---|
| Subject: | 3 phase (was LF: G3KEV) |
| From: | "Dr. Wolf Ostwald" <[email protected]> |
| Date: | Sun, 29 Nov 2015 12:19:52 +0100 |
| In-reply-to: | <[email protected]> |
| References: | <[email protected]> <[email protected]> <[email protected]> <[email protected]> <[email protected]> <[email protected]> <[email protected]> <CAA8k23QsB+NEdkYwnMtX3Kn1KgF6y=OGGkNdP-1=1v3_y6yJqQ@mail.gmail.com> <ABDEA52C3A014557A7C916C4CC9FE552@malPC> <CAA8k23RVqr0VTNYzvLtGPkCzEQFcnXSJoSzV6NvbJoTA5Hieqg@mail.gmail.com> <[email protected]> <[email protected]> <[email protected]> |
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hi John !all understood. I guess in Germany we had a unique situation, as after WW2 a lot of infrastructure was destroyed and when it came to new installations, in urban and industrial areas 3 phase was chosen. Guess in the Fifties most of the "farmers`s lines" were taken out and 3 phase came in. Even cars and motorbikes have 3 phase alternators now. If material is of concern and energy transfer not too demanding, then single phase can do it. Look at the US, in a lot of areas, not only the remote ones, you find "farmer`s lines" even in the middle of a city. Low voltages have to be paid for by conductor size and heating of connections. The later posing an everlasting threat to home appliance security. 73 de wolf |
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