Powerdynamo brings new ignition & light
to your vintage motorcycle
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Powerdynamo brings new ignition & light |
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For general integration information see KB
entry integration A simple typical stock grid containing both AC and DC voltage would look something like this. click image to considerably enlarge |
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| You will notice 2 small blue things (here and mostly in the headlamp housing). A choke coil (Drosselspule), some kind of simple regulator to prevent bulb blowing and a rectifier (Gleichrichter) converting SOME of the AC voltage to DC for battery load. The bulk of the AC is used to feed the headlight bulb. |
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When we look at the detail of the wiring in the headlamp housing: (again
clicking on picture enlarges)
we see - here green - the arriving AC (in the main switch distributed to
lights) being diverted via the choke coil to the rectifier. The same
converts the AC into DC which is fed via the here red wire and through the
fuse (yellow) to a terminal to which the battery and other DC consumers
are connected (red wire exiting into black).
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What you will have to do with the conversion to the new DC Powerdynamo
system is to disconnect choke coil and rectifier (in most cases badly
burnt anyway) and to bridge AC and DC. You from now on have only DC in the system. Something in old times the engineers could not effort due to the lack of decent semiconductors. They had to go the mixed voltage way. |
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| Though later mixed voltage systems have been a little more comples, the basic principle is same. You have to bridge the former AC and the former DC system. |
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