Title :
An improved wide-range adjustable-speed drive
Author :
Conrad, A. G. ; Perrins, A. R. ; Shank, R. R.
Author_Institution :
Dunham Laboratory, Yale University, New Haven, Conn.
Abstract :
An adjustable-speed drive using a d-c series generator supplying a d-c series motor is described. It operates well at speeds under 10 rpm as well as at speeds limited only by mechanical considerations. The ratio of maximum to minimum speed is in the order of 100 to 1.
Keywords :
Acoustics; Generators; Materials; Resistance; Torque; Variable speed drives; Voltage control;
Journal_Title :
Electrical Engineering
DOI :
10.1109/EE.1954.6439135
