In addition, the peak voltage of an ac system is V2 times its nns value, so
magnetic saturation could occur near the peak current in the machine. This
saturation could significantly lower the nns nux of the motor for a given current
level, tending to reduce the machine 's induced torque. Recall that a decrease
in flux increases the speed of a dc machine, so this effect may partially
offset the speed decrease caused by the first effect.