Lister Engines > Lister Based Generators

CVT for rpm and frequency control

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pigseye:
Could someone comment on the possibility of using a constant velocity transmission (CVT) to maintain rpm and frequency control of a gen head with varying loads?

Would it be more accurate and consistent than a governer?

Thanks,
Pigseye

GuyFawkes:
you'll lose a fair bit of power to it as heat....

sort your governor, if sorted it will do an excellent job, no need for anything else.

trigzy:
Pretty much impossible.

CVT actually stands for Continously Variable Transmission - ie. it has infinite ratios due to changing pulley sizes.

The unit would try and spin the gen-head as fast as possible for the given input power, acutally causing overvoltage/over frequency problems.

Steve

listeroidsusa:
If you want to control the engine speed to close tolerances it is pretty easy to add a tach generator to the generator drive, add a cnc servo amplifier, and use a solenoid for the throttle control. The servo amplifier will have a gain control for the speed, and can be simply a 10K ohm rheostat to control a 0-10 volt input to the servo amp, with the servo amp controlling the output to the solenoid, whifh will be acting as a linear actuator.

Mike Montieth
Listeroids/USA

DirtbikePilot:
Uuh... Mike, I think I speak for most of us when I say that your version of pretty easy and ours are two different things. I get the gist of what you are saying, but I think that very few people actually know enough about that stuff to actually do it. lol ;D Now, if you were to offer a kit to do this, with instructions..... ;) That would be cool! It would be really scary to see what happens if it breaks though. :o I suppose that could be quite a liability if it broke and flywheels exploded.

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