Principles and practice of electrical engineering (1914)
Gray, Alexander, 1882-1921 · New York [etc.] McGraw-Hill Book Company, inc. · leaf 143
rting position by the spring S. 143. Starting Resistance.—The resistance used with a startermust have sufficient current carrying capacity to allow the motorwith which it is used to start up every 4 min. for an hour with-out overheating, the load being such that the motor shall comeup to speed in… … < \ <^ \\ M i—\nr rtwv-il > 1 O 1 Ly ( ( Fig. 139. Fig. 140. Starting boxes with both a no-voltage and an overload release. becomes too large. To protect the motor, an overload releaseshould be supplied to cut the machine out of operation as soonas the load becomes excessive. This overload…
Electrical engineering
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