Cyclopedia of applied electricity : a practical guide for electricians, mechanics, engineers, students, telegraph and telephone operators, and all others interested in electricity (1905)
American School (Chicago, Ill.) · Chicago : American School of Correspondence · leaf 425
when the test is to deter-mine the average voltage atwhich current will arc overthe insulator surface fromthe line wire to the pin, themaximum value of the pres-sure curve should be takeninto consideration becauseair has no time element,but permits a disruptivedischarge under a merelyinstantaneous… … Transformer Discharging Through and Arounda Heavy Glass Plate. 888 INSULATORS insulators be made with voltages whose vahies follow the sine curve.Either a single transformer or several transformers in series maybe employed to step up to the required voltage, but a single trans-former will usually…
Electrical engineering
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
