1 % testing a windwindmill
3 % In case i1 = 0, it does not produce energy and therefore op = 0.
10 % define control i1 to 0KW (we request 0KW)
13 % define control iw to 10 windspeed
17 % expecting i1 to be 0
20 % expecting iw to be 10
23 % and therefore we shall produce 0KW