Hobart, H. M. (Henry Metcalf), 1868-1946 ed · Philadelphia, J. B. Lippincott · leaf 239
been adaptedfor the startingof polyphase in-duction motorswith consider-able success. Ifwell designed,the apparatusis simple and in-expensive, andpermits of auniform altera-tion of the re-sistance in circuit. A typical liquid starteris shown in fig. 2, from which it will be seenthat in the full-on… … Fig. 2.—Liquid Starter tor PolyphaseInduction Motor Switch 523 and speed-control of large motors, e.g. of500 hp to 1000 hp, and in these cases acooling tank is generally added, with a smallpump driven by an auxiliary motor to circu-late the liquid; further, in such large sizesthe plates are often…
Electrical engineering
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