Experimental study of the influence of single-phase short-circuits of power cable lines 110 and 220 kV on the operation of communications systems and automation

Abstract

The results of experimental measurements of currents and voltages in the elements of cable power lines and communication lines at occurrence of single-phase short-circuit of power cable lines 110 and 220 kV are present. The effect of the short circuits on the operation of the communication cable lines that are laid in the same trench with power cables is evaluated. Explanations to the emerging effects and recommendations for practical use of the results obtained in design, operation and repair of cable lines are given.