Twentieth century handbook for steam engineers and electricians, with questions and answers; a practical nontechnical treatise on the care and management of steam engines, boilers and electric machinery (1922)
Swingle, Calvin Franklin, 1846- [from old catalog] · Chicago, F. J. Drake & company · leaf 1366
maintain the dynamic Lightning Arresters 1331 current arc on a gap. The dynamic current continues toflow until the potential of the generator passes throughzero to the next half cj^cle^ when the arc-extinguishingquality of the metal cylinders comes into action. The alloycontains a metal of low… … Fig. 627connections foe 33,000-volt y system with grounded neutral The Cumulative or Breaking Bach Effect.—The gradedshunt resistances (Figs. 627 and 628) give a valuable effectnot brought out in the previous description, where thearrester is considered as four separate arresters. This is…
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