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???
06/04/07 19:14
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#140275 - brushless exciters??
Responding to: ???'s previous message
You could try a search on this. I did a quick search and did not find one that delivered under 50A though and I suspect that may be a bit too big for this app. I did see some brushless motors that may be the right size, maybe you find one that could be run backwards as a generator. My last job delt with using brushless exciters for power delivery and an optical ring for data collection from the rotating side. They ultimately gave the optical strategy up for a wireless ethernet solution which I understand worked out well, though I left before I saw the results and don't know how easy it was to implement.

Good luck, sounds like fun.
Andy

List of 18 messages in thread
TopicAuthorDate
What do you know about inductive power coupling?            01/01/70 00:00      
   I recall....            01/01/70 00:00      
      ehum... isn't this a transformer?            01/01/70 00:00      
         Yes            01/01/70 00:00      
            Yahoo Nixies            01/01/70 00:00      
   Solar cells            01/01/70 00:00      
      Yeah transformers are a bit expensive            01/01/70 00:00      
         Lumpy ?            01/01/70 00:00      
            Its an inch diameter            01/01/70 00:00      
               nah.            01/01/70 00:00      
               it all depends on the dimensions...            01/01/70 00:00      
                  if you can get to the end of the shaft ...            01/01/70 00:00      
                     Zero speed            01/01/70 00:00      
         brushless exciters??            01/01/70 00:00      
   Avoid saturation            01/01/70 00:00      
   why not look at RFID            01/01/70 00:00      
   Spin speed            01/01/70 00:00      
   Try Electric Cordless Toothbrushes            01/01/70 00:00      

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