"rmation on a set of three-phase signals. It computes the direct axis Vd, quad"
"ratic axis Vq, and zero sequence V0 quantities in a two axis rotating referen"
"ce frame according to the following transformation:\n\nVd = 2/3*[Va*sin(wt)  "
"+ Vb*sin(wt-2pi/3)  +  Vc*sin(wt+2pi/3)] \nVq = 2/3*[Va*cos(wt) + Vb*cos(wt-2"
"pi/3) + Vc*cos(wt+2pi/3)]\nV0 = 1/3*[Va +  Vb  +  Vc ]\n\nwhere w=  rotation "
"speed (rad/s) of the rotating frame.\n\nThis transformation is commonly used "
"in three-phase electric machine models where it is known as the Park transfor"
"mation."
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