Published 09/06/2021 at 708 × 380 in Design optimization of 15 kW, 2-pole induction motor to achieve IE4 efficiency level with copper diecasting Fig. 9 shows the comparison of torque slip curves of 1E3 and IE4 motor. Fig. 9 shows the comparison of torque slip curves of 1E3 and IE4 motor. No tags for this post. Related posts No related posts.