Electricians' operating and testing manual; (1910)
Horstmann, Henry C. [from old catalog], Tousley, Victor Hugo, 1875- [from old catalog] joint author · Chicago, F. H. Drake & co · leaf 165
WWW WWW mmmLjmimm o o vwwv1 Wa/v pM/ww\ fmmim Figure 111 Figure 112 age and overheat the transformer unless fuses areblown. Two transformers of the proper frequency, but onlyone-half the voltage of the circuit may be operatedin series in either of the ways shown in Figures 111and 112. … vwwwv wvwwv wwww Figure 113 Figure 114 Figures 113 and 114 shows methods of connectingthree-phase transformers. Figure 113 shows what istermed the delta connection and Figure 114 the Y orstar connection. The delta connection has the ad-vantage that the burning out of one transformer does 164…
Electrical engineering · Electric testing
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