Hi Everyone,
As you know I recently got myself an oscilloscope!
Here are a few shots from the scope.
Firstly, here is a fairly standard H-Wave which you would expect to see when there is no load (ie. the charging battery is disconnected)
hwave.jpg
and here are some anomylous waves that I don't quite yet understand!
This one shows a delayed "Off Pulse" (flyback). You see the coil turns on around TDC (Top Dead Centre - when the magnet is directly over the stator) then turns off, then there is a pause, then the flyback shows up! No idea how that is happening.
wierdwave3.jpg
and these shows a resonating "off pulse", or rather a series of spikes... very odd... only shows up when using two coils with thier recovery windings wired in series and using a reed switch as a trigger.
wierdwave.jpg
wierdwave2.jpg
Any comments on the anomylous scope shots would be appreciated, but feel free to ignore me and use this thread upload your own shots!
As you know I recently got myself an oscilloscope!
Here are a few shots from the scope.
Firstly, here is a fairly standard H-Wave which you would expect to see when there is no load (ie. the charging battery is disconnected)
hwave.jpg
and here are some anomylous waves that I don't quite yet understand!
This one shows a delayed "Off Pulse" (flyback). You see the coil turns on around TDC (Top Dead Centre - when the magnet is directly over the stator) then turns off, then there is a pause, then the flyback shows up! No idea how that is happening.
wierdwave3.jpg
and these shows a resonating "off pulse", or rather a series of spikes... very odd... only shows up when using two coils with thier recovery windings wired in series and using a reed switch as a trigger.
wierdwave.jpg
wierdwave2.jpg
Any comments on the anomylous scope shots would be appreciated, but feel free to ignore me and use this thread upload your own shots!
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