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Question about Vitamaster treadmill motor - Page 5

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Posted by clare on December 14, 2014, 7:52 pm
On Sun, 14 Dec 2014 13:31:04 -0500, "Jim Wilkins"

A "dump regulator" in addition to the charging regulator can overcome
that by "dumping" the output into a resistive load to absorb excess
output. Use an electric water heater for your "sink"

Posted by mike on December 15, 2014, 5:01 am
On 12/14/2014 11:52 AM, clare@snyder.on.ca wrote:

I did some advising on the electronics for a solar/wind power
system for a mountaintop radio repeater.
IRRC, there are significant issues regarding keeping the
system from tearing itself apart in high wind.
Wind direction shifts while the gyro is spinning exert
a lot of force.
Add some ice, with a chunk chipped off and it
rattles itself apart rather quickly.

They ended up just stuffing the MPPT solar controller and the
wind generator into the battery system.  Used a shunt regulator
to keep the batteries from overcharging while keeping
the propeller speed down.

Never thought about it before...does a wind generator have
a maximum power point load like you have with solar?
Is there significant gain to be had modulating the load
for maximum power for given wind velocity?

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