When the size of the largest ungrounded service conductor exceeds 1100 kcmil copper, then the grounding electrode conductor will be sized using A. the size equal to the ungrounded conductor. B. Table 250.122. C. the size of the grounded conductor. D. the 12.5% rule.

When the size of the largest ungrounded service conductor exceeds 1100 kcmil copper, then the grounding electrode conductor will be sized using A. the size equal to the ungrounded conductor. B. Table 250.122. C. the size of the grounded conductor. D. the 12.5% rule.

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter7: Symmetrical Faults

Section: Chapter Questions

Problem 7.21MCQ

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HVDC

HVDC stands for high voltage direct current in the electric power transmission system. The high voltage direct current system uses direct current (DC) for the transmission of electrical power through transmission lines in contrast with the alternating current that is the AC system. The HVDC is used to transmit bulk power point-to-point through long distances transmission lines. Power is rapidly transferred because the efficiency of transmission lines is greatly increased over long distances due to HVDC lines.

Question

8. When the size of the largest ungrounded service conductor exceeds 1100 kcmil copper, then the
grounding electrode conductor will be sized using
A. the size equal to the ungrounded conductor.
B. Table 250.122.
C. the size of the grounded conductor.
D. the 12.5% rule.

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