Re: [TCML] LED Strobe Sync Idea

[futuret@xxxxxxx]

As far as getting back to what worked last week, the variac dial
on the electronic phase shifter can be used for that.  If the best
results are at let's say 27 on the variac dial, then that can be
written down and used for the next run.  It just takes a second
to find the best phase position however, even if the best position
is not remembered.

I agree that a setup such as yours which shows the phase
relationship can be helpful for researching the results of various
set-ups.  It's true that my phase shifter does not help one to
visualize the phase relationships.  Your system may also help one
during the initial set up because my phase shifter only gives
90 degrees of electrical phase shift.  This requires that the
rotor be positioned on the shaft within the 90 degree (for
3600 rpm, or 45 degree for 1800 rpm), tolerance or range
compared to optimal phasing.

John

________________

No, I did not take those effects into account, sorry to continue the 
misconception. My point 
was only to be able to visualize and measure the voltage phase to rotor 
angle relationship. Since 
the circuit can only detect the peak voltage in, it is flawed when it 
comes to detecting the 
capacitor voltage as it is charged by the non-linear NST. 
 
But maybe the circuit is still useful. Your design of the variac 
controlled phase shifter is very 
clever. But the effects of it on the system can't=2
0be visualized except 
for the better-or-worse test. 
Maybe combining the two ideas could allow people to build and test your 
design and allow 
them collect data as to why these changes create the better-or-worse 
outcomes? Mixing a 
bit of empirical method along with the experimental method. In the very 
least it would allow 
someone to get back to what worked well last week. 
 
CP8071 


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