To study running & speed reversal of a 3-phase induction motor and record speed in both direction
1.https://iopscience.iop.org/article/10.1088/1757-899X/331/1/012025/pdf.
2.https://eedofdit.weebly.com/uploads/7/3/2/6/7326910/lm_ee103_running_reversing_3p_im.pdf
3.https://marching2wardvictory.files.wordpress.com/2013/07/me2209-lab-manual.pdf
4.https://www.electrical4u.com/electrical-power-factor