Electronic variable : speed drives 
Brumbach, Michael E. 
 - 4th ed. 
 -  Cengage Learning,  2018 
 - ix, 305 p. 
<br/><br/>
<br/><br/><label>ISBN: </label>978-1-13313404-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electric driving, Variable speed.
<br/><br/><label>Dewey Class. No.: </label>621.43 B893 2018