Electricians' operating and testing manual; a hand book for men in charge of electrical apparatus, repair men, trouble men, lamp trimmers, and electricians generally (1916)
Horstmann, Henry Charles, Tousley, Victor Hugo, 1875- joint author · Chicago, F.J. Drake & co · leaf 104
Figure 68 tain the Y or star winding If a motor connected up inY be changed to delta it will require much more cur-rent. If connected from delta to Y it will require lesscurrent. Of course, in both cases the heating will … Figure 69 change with changes in the currents used, so that thechange in connections must not be recklessly made. There are two methods of starting induction mo-tors in general use. On.e of these consists in inserting Types of Motors—Alteyniating Current 101 resistances in the rotor circuit, as…
Electrical engineering · Electric testing
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