MATLAB Simulation

neednt to do this job,

just install in practice and adjust on the site.

simulink can do nothing with it.

Hi Roger!

Since I don't use Simulink (I got spoiled working in LabVIEW), this is the only way I can help:

1. look on matlab's website or on matlab users forums

2. try and find block diagrams or state-machine models of your motors and implement those in simulink

3. look through the simulink's library of examples

Good luck!

If all you really need is a straight 3 phase driven motor, there is no need to compare as the extra electronics for variable speed will reduce overall efficiency for a single speed.

If you need variable speed, then you also do not need to compare, as the straight motor cannot (at least not easily) be made variable speed without using electronics!!

Its as simple as that!!

No need for MATLAB or any other simulation!!!! Total waste of time in this particular case.....

" as the straight motor cannot (at least not easily) be made variable speed without using electronics"

This is not true fluid couplings are another route to go for varing speed

check this website

www.suttonsofholly.com

you may refer to liquid or gas drived motor, but its not belong to electric facility. so Andy may still right.

if you speak to old equipment somthing look like different speed motor with liquid as coupler agent, I really havnt seen this motor. I cannt access to the web as well.

is it still in using?