Switch Windings of PM Gen from series to parallel

[uswt]

hi,
i am trying to find the easiest and best way to be able to switch the windings of a pm generator from series in low speed to parallel at higher rpm.

should i use a hall sensor or a centrifugal switch or something else?

thanks for any suggestions

greg

 

[DougMSOE]

Why do you need to do this?

 

[uswt]

hi,
thanks for the reply. why do i need to do this? i want to control the output of a pm generator at different rpms.

i can get better output from the pm gen at higher rpms if the windings are placed in parallel.

a simple set of contacts that would open and close based on rpm would do the trick.

i am trying to find the easiest way to do it.

the windings of the rotor of the gen are divided in half...then they are switched from series to parallel depending on shaft rpm.


simple enough right?

greg