Hawkins electrical guide. Questions, answers & illustrations; a progressive course of study for engineers, electricians, students and those desiring to acquire a working knowledge of electricity and its applications; a practical treatise (1914)
Hawkins, N. (Nehemiah), 1833- · New York, T. Audel · leaf 174
3, if the cells be in poorform, the line current may follow the discharge across the main gap and the arc will riseto the safety horn and be extinguished through a resistance. For mixed overhead andcable systems the choice of arrester will In- a matter of judgment. If there be a com-paratively… … ~~@- 3 z Z<^ h-<* < a: uj z^ a; =>C/3 if: 5: >— Li-<t cro IDU- z UJ — GO ^2 a: =3 £ UJ IS1 O Ul > z 8 1=23 ozoo
Electrical engineering
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