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What is the difference between earth resistance and earth electrode resistance?

March 3, 2018 by

DWQA Questions › Category: (EE) Power System › What is the difference between earth resistance and earth electrode resistance?
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admin Staff asked 5 years ago
1 Answers
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admin Staff answered 5 years ago

Answer: Only one of the terminals is evident in the earth resistance. In order to find the second terminal we should recourse to its definition: Earth Resistance is the resistance existing between the electrically accessible part of a buried electrode and another point of the earth, which is far away. The resistance of the electrode has the following components:
(A) the resistance of the metal and that of the connection to it.
(B) the contact resistance of the surrounding earth to the electrode.

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