Dynamos and motors; a text book for colleges and technical schools (1911)
Franklin, William S. (William Suddards), 1863-1930, Esty, William, 1868-1928 · New York The Macmillan company · leaf 407
rable to use automatic switches (circuit-breakers)on alternating-current generator panels. Thus, the three-phasesingle-throw oil switch shown in Fig. 285 has no trip coil, andit does not automatically disconnect the machine in case of over-load or short-circuit. Figure 286 shows a quarter-phase *… … Fig. 287. current generating station ; B and B are circuit breakers, sand s are the ammeter shunts, and S and S are the feederswitches. The ammeters which are represented in Fig. 287 aremillivoltmeters which may be connected to the terminals of theshunts s and s, or they may be connected to the…
Dynamos · Electric motors
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