Trouble with modelling an induction machine

Hi, Actually im trying to model an induction machine in simulink. Im ok to do that using signals. But I like to know if it is possible to do using Simpowersystem components, like using a 3phase source in simpowersytem rather than using sinusoidal voltage signals etc. I tried many times but I was unable to find some ways to apply transformations etc. Any help will be appreciated..

Answer 1

[Sebastian Castro]

You definitely can model induction machines in SimPowerSystems -- typically with the Asynchronous Machine blocks. Notice that this page (which is the Help page for the blocks) contains the underlying equations too.

In addition, SimPowerSystems has a Three-Phase Source block as well as transformations like abc-dq0 (if that's what you were looking for).

Good luck!

- Sebastian

[leonn alexander]

Hi, First of all thank you for showing interest in my question. So, as you said it is possible, I will try to do it with power system components. But still Im experiencing problems. I am not able to find a way to connect the three phase source with the other components so that I can apply the transformation matrix or anything else. I need Va, Vb, Vc to be given to the transformation matrix isnt it, but how can I take that from 3 phase source. Sorry if i'm asking some pointless questions

[Sebastian Castro]

Yeah, so the electrical components have their own connection lines that don't hook right into Simulink. This is often tricky, so don't feel bad for asking :)

If you want to measure quantities from your SimPowerSystems network, check out the Three-Phase V-I Measurement block. Connect it in series with your source and use those V and I output ports to feed into Simulink.

- Sebastian

[leonn alexander]

Ok, that will do it... thank you so much for helping me out of it...