Corona discharge on rubber-insulated cables

G. M. L. Sommerman (American Steel and Wire Company, Worcester, Mass.): The writer´s discussion of the interesting paper by Professors Paine and Brown is concerned chiefly with the graphs on the right side of figure 2. These graphs depict ozone formation and corona current as functions of the voltage applied to rubber-insulated cables on flat metal test plates for two conditions: (1) the corona produced between the cable and the curved ends of the test plate is included in the results; (2) only the corona produced along the test plate where the insulation is in firm contact with the test plate is included in the results.