Twentieth century hand-book for steam engineers and electricians, with questions and answers .. (1905)
Swingle, C. F. [from old catalog], Horstmann, Henry Charles, 1858- [from old catalog], Tousley, Victor Hugo, 1875- [from old catalog] · Chicago, F. J. Drake & co. · leaf 625
e dynamo fol-lowing the arc caused by the lightning discharge to 200 ELECTRICITY FOR ENGINEERS ground, and, as there must be two arresters, one on eauhside of the dynamo, this amounts almost to a shortcircuit and is very likely to put the dynamo out ofservice. Should such an arc continue for a few… … FIGURE 110. ning arrester, shown in Fig. no, was devised. Thisconsists of the two diverging metal plates shown atthe top of the figure, one of which is connected to theearth and the other to the line to be protected and anelectro magnet, as shown. The current from thedynamo traverses the coils of…
