Hawkins electrical guide ... : questions, answers & illustrations : a progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications ; a practical treatise (1914)
Hawkins, N. (Nehemiah), 1833-1928 · New York : T. Audel & Co. · leaf 579
supplying excitation for thealternators, or in port the exciters, which are of about 300 kw. capacity,can be used for supplying power to the ships mains. The four main leads from the armature of, say, the port alternatorgo through a four pole switch to the port bus bars. As this switchis opened… … Fig. 3,760.—View of 6,000 horse power Melville-MacAlpine speed reduction gear with casebroken away showing construction. It is a double helical spur gear, designed with in-volute teeth, and a transmission capacity of 6,000 horse power at a pinion speed of 1,500r.p.m. The pinions have 35 teeth, the…
Electrical engineering
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