Cyclopedia of applied electricity : a general reference work on direct-current generators and motors, storage batteries, electrochemistry, welding, electric wiring, meters, electric lighting, electric railways, power stations, switchboards, power transmission, alternating-current machinery, telegraphy, etc. (1916)
American Technical Society · Chicago : American Technical Society · leaf 228
with a series resistance of carbon. A coil is mounted with thegap and connected so that if current flows across the gap, it willflow through the coil. An iron core is so formed that the magneticfield set up by the coil forces the arc away from the gap, drawingit out until it breaks. These arresters… … Pio Qi-l > s .►J o w . ^wW § ■< § oo O SWITCHBOARDS 105 A thick disk of carborundum is mounted in a case, the line leadattached to one side, and the ground lead to the other. A staticdischarge will spread itself over the surface of the block in a largenumber of paths and the discharge will…
Electrical engineering
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