Vols. 34- contain official N.A.P.E. directory.When reversing motors are employed, they can also be used to operate position indicators, or recorders, to determine the set- points of controllers or to ... Since points 1 and 3 are integral with point 2, the matter of reversing a-c motors will be discussed first. ... The motor will also run when the voltage applied to one winding is approximately 90Ad out of phase with the voltage applied to the other winding.
|Title||:||The National Engineer|