how to connect a variable resistor?

how to connect a variable resistor from simscape library to simpowersystems model..

[Azzi Abdelmalek]

There are many blocks in simpowersystems

Answer 1

[Muruganandham Subramanian]

If you are using blocks from simpowersystems library, you can use surge arrester block as variable resistor. but In case if you are using blocks from simscape-> physical modelling ->elctrical models -> variable resistor block, you can refer this:

http://www.mathworks.com/support/solutions/en/data/1-5RIPXJ/