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...increase in current will result in a larger voltage drop across the source impedance. This means that there can be large momentary voltage drops system-wide, fr This calculation is based on standard impedance formulae and Ohm's law. To the author's knowledge, there are no internation

...ted like another overhead conductor in air because a pipeline has a finite impedance to earth that is distributed along its entire length. ''' a) Pipeline longitudinal impedance '''