Principles and practice of electrical engineering (1914)
Gray, Alexander, 1882-1921 · New York [etc.] McGraw-Hill Book Company, inc. · leaf 146
Fig. 142.—Compound starter. 147. Speed Regulators.—To obtain speeds lower than normala resistance must be inserted in series with the armature, see page89. Any of the starters already described can be used as aspeed regulator if the resistance is able to carry the current of themachine continuously…
Electrical engineering
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