Any KR 2 in N Tx? On Oct 1, 2015 11:12 PM, "John Martindale via KRnet" <krnet at list.krnet.org> wrote:
> Hmmm, in which case having a 35amp circuit breaker in its unregulated > output > is pointless. It will never trip because the dynamo at 20 amp rating is > incapable of supplying that current in the first place unless it goes into > substantial overspeed. > > What should be included is over-voltage protection across the regulated > output that breaks (or shunts) the circuit in the event of regulator > failure. Breaking unregulated output by circuit breaker or simple switch > generates huge voltages in the dynamo coils that could break down the > insulation around the wires in it because the power from the coils spinning > in the non-adjustable non turn offable magnetic field has nowhere else to > go. You should never spin a dynamo without somewhere for the excess power > to > go.......even if it just literally a "crowbar" across the output. > > Alternators are very different because the coils are energised to produce > the field (as opposed to magnet) and can thus be turned off. Spinning of > the > armature thus has no output and no adverse impact. > > John Martindale > 29 Jane Circuit > Toormina NSW 2452 > Australia > > ph:61 2 6658 4767 > m:0403 432179 > email:john_martindale at bigpond.com > web site: > -----Original Message----- > From: KRnet [mailto:krnet-bounces at list.krnet.org] On Behalf Of > brian.kraut--- via KRnet > Sent: Friday, 2 October 2015 11:39 AM > To: KRnet > Cc: brian.kraut at eamanufacturing.com > Subject: Re: KR> Electrical System > > It is a permanent magnet generator. If I recall correctly it is a John > Deer part. > > > -------- Original Message -------- > Subject: Re: KR> Electrical System > From: John Martindale via KRnet <krnet at list.krnet.org> > Date: Thu, October 01, 2015 1:43 pm > To: "'KRnet'" <krnet at list.krnet.org> > Cc: John Martindale <john_martindale at bigpond.com> > > Hi Sid > > What kind of alternator is that VW Diehl alternator? Is it field > regulated > aka most cars or a permanent magnet dynamo with regulator aka the small > John > Deere or Kubota tractors? > > Cheers John > > John Martindale > 29 Jane Circuit > Toormina NSW 2452 > Australia > > ph:61 2 6658 4767 > m:0403 432179 > email:john_martindale at bigpond.com > web site: > -----Original Message----- > From: KRnet [mailto:krnet-bounces at list.krnet.org] On Behalf Of Sid Wood > via > KRnet > Sent: Friday, 2 October 2015 1:31 AM > To: krnet at list.krnet.org > Cc: Sid Wood > Subject: Re: KR> Electrical System > > I have used the Expbus for 5 years on my KR-2. I added a 35 amp circuit > breaker for the VW Diehl alternator rated at 20 amps. .....sheep shears > > > > ----- > No virus found in this message. > Checked by AVG - www.avg.com > Version: 2015.0.6140 / Virus Database: 4435/10737 - Release Date: > 10/01/15 > > > _______________________________________________ > Search the KRnet Archives at http://tugantek.com/archmailv2-kr/search. > To UNsubscribe from KRnet, send a message to KRnet-leave at list.krnet.org > please see other KRnet info at http://www.krnet.org/info.html > see http://list.krnet.org/mailman/listinfo/krnet_list.krnet.org to > change options > > _______________________________________________ > Search the KRnet Archives at http://tugantek.com/archmailv2-kr/search. > To UNsubscribe from KRnet, send a message to KRnet-leave at list.krnet.org > please see other KRnet info at http://www.krnet.org/info.html > see http://list.krnet.org/mailman/listinfo/krnet_list.krnet.org to change > options > > > ----- > No virus found in this message. > Checked by AVG - www.avg.com > Version: 2015.0.6140 / Virus Database: 4435/10739 - Release Date: 10/01/15 > > > > ----- > No virus found in this message. > Checked by AVG - www.avg.com > Version: 2015.0.6140 / Virus Database: 4435/10739 - Release Date: 10/01/15 > > > _______________________________________________ > Search the KRnet Archives at http://tugantek.com/archmailv2-kr/search. > To UNsubscribe from KRnet, send a message to KRnet-leave at list.krnet.org > please see other KRnet info at http://www.krnet.org/info.html > see http://list.krnet.org/mailman/listinfo/krnet_list.krnet.org to change > options >
