Twentieth century handbook for steam engineers and electricians, with questions and answers; a practical nontechnical treatise .. (1916)
Swingle, Calvin F. (Calvin Franklin), b. 1846 · Chicago, F.J. Drake & company · leaf 1287
Fig. 5 74 Fig. 574 starting panel for d. c. blower set Fig. 575 main switch panel for a. c. blower set The operation of several sub-stations on a single line isgenerally recognized as good practice. To insure continuity of service in the event of linetrouble, it is expedient to sectionalize the… … Fig. 576 Fig. 577 Fig. 576 oil switch a. c. panel for incoming line motor driving exciter or a. c. side of rotary Fig. 577induction motor or rotary starting panel Switch Boards 1253 station that is located at an intermediate point of the line.This sectionalizing is accomplished at each…