Title :
Electrical Aspects of the 8750 hp Gearless Ball-Mill Drive at St. Lawrence Cement Company
Author :
Allan, John A. ; Wyeth, W.A. ; Herzog, Gordon W. ; Young, John A.I.
Author_Institution :
Holderbank Technical Services, Ltd., Clarkson, Ont., Canada.
Abstract :
The first large gearless ball-mill in North America has been successfully installed at the Mississauga, Ontario, plant of the St. Lawrence Cement Company. The motor rating is 8750 hp (6500 kW) at 14.5 r/min (4.84 Hz). The electrical aspects considered of interest are discussed in the paper.
Keywords :
Air conditioning; Capacitors; Cement industry; Ducts; Milling machines; Power system protection; Slabs; Stators; Synchronous motors; Temperature;
Journal_Title :
Industry Applications, IEEE Transactions on
DOI :
10.1109/TIA.1975.349355