Some Aspects of A.C. Wound Rotor Motor Mine Hoist Control

CIM Bulletin, 1954


THE MOST common type of mine hoist is, as is very well known, that in which the a.c. wound rotor motor is the driving medium. The reasons for the use of the wound rotor motor are, of course, economic. This type of equipment has, during the years, proved to be very reliable and reasonably satisfactory. It is, in fact, still being installed and in some places where a very hard and exacting duty cycle is demanded.
Keywords: Braking, Circuit, Circuits, dynamic braking, induction generator, rotor, stator, torque, Generators, Hoists, Load, mine hoist, Motors, Resistance