Abstract
Corrosion prevention of buried metallic facilities (i.e. piping, armoured cables etc.) by means of cathodic protection is currently practised in both civil and industrial fields. The design of adequate cathodic protection for an individual conductor is rather simple. However, for the case of several conductors forming complex and extended nets, where the theoretical prediction of the potentials distribution consequent to the cathodic protection currents injection may be a hard task, the design of cathodic protection is rather more problematical. This paper proposes a method, based on the electrical linear net equations, that allows a solution to the problem. Experimental results to vindicate the method are also reported
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