Re: Aw: Re: [EVGRAY] Most lightning active point on planet

Database ID: 105094
2017-12-11T12:37:43+00:00
Douglas Konzen <[email protected]>

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Hi Warren
 I was sure I read that your amperage stayed constant as you added the daisy chain of DC motors, so I did a search of old postings, and found this from you posted may 30 2014 talking about your DC motor FWBR connected daisy chain:
 Also I read in the back postings,  that eventually you got up to 10 motors but maybe you were thinking six packs of talls for all your friends there haha
 

 "After about 7 of them, the voltage clearly grew from the initial 35 volts to nearly 90, while the 1.5 input amps stayed constant"
 

 Also even better than shottkys, (I think) are the ultra-fast or "hyper-fast" diodes they make now that can handle 25A and 600V like the HFA25PB60, which is called an "ultra fast" one, and they have now those "hyper fast" ones for sale, that handle same power, but even faster - mcannot remember the model number but should be in any search if you do hyper fast diode 25A 600V
 Who knows maybe you could have 180V at end of the string of motors and problem now is those motors rated at 96VDC tops usually...
 I think the voltage rating of 96VDC can be exceeded if you bridge with FWBR the brushes, and put the DC into a cap or something else so that you are extracting that spark flash as those "destructive transients" are what eat up the brushes and commutators and are the real voltage-limiters...
 ciao
 Kone

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Subject Re: Aw: Re: [EVGRAY] Most lightning active point on planet
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