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 166
tions to some direct current as shown in Figure109. A direct current applied to a transformer willcause one impulse to be given to the voltmeter or gal-vanometer shown in the secondary. On each trans-former mark that wire of the primary which gives acertain deflection on the voltmeter and in… … NW\N\ /WVW\ /WVW\ Figure 110 In Figure 110 another system of banking transform-ers is shown that often leads to trouble. If the prirmary fuse in one transformer ^^blows, it is evidentthat current from the other transformers will circu-late in the secondary and thus add the transformerto the load in…
Electrical engineering · Electric testing
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