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Forum: Tech Log

17th May 2007, 01:02

Replies: 81

115V/400Hz

Views: 39,694

Posted By barit1

No technical quarrel, ChristiaanJ. I'm just not...

No technical quarrel, ChristiaanJ. I'm just not calibrated to think in terms of long distances in Switzerland.

Texas maybe, or certainly Oz, or... :cool:

(A terrifying thought: How did they...

Forum: Tech Log

16th May 2007, 21:28

Replies: 81

115V/400Hz

Views: 39,694

Posted By barit1

How's that again? Long distances? Swiss railways?...

How's that again? Long distances? Swiss railways?

:confused: :confused:

:E

Forum: Tech Log

15th May 2007, 11:49

Replies: 81

115V/400Hz

Views: 39,694

Posted By barit1

Full-wave rectification on a single-phase source...

Full-wave rectification on a single-phase source yields a ripple frequency 2X the line frequency. A three-phase rectifier gives ripple freq. 6X the line freq., and yes, that's a lot easier to filter...

Forum: Tech Log

15th May 2007, 01:33

Replies: 81

115V/400Hz

Views: 39,694

Posted By barit1

Post WWII the US military had some aircraft &...

Post WWII the US military had some aircraft & systems that ran 800 Hz (they called it 800 cps back then). Same rationale, just taken a step further. I don't know why it was abandoned.

I used to...

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