Effective Length Consideration with the Minimize Per-Unit Length Impulse Impedance Method

Pariyavong, Pongpan; Rungseevijitprapa, Weerapun

doi:10.1541/ieejpes.128.871

Cited by 4 publications

(1 citation statement)

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“…This is called 'effective length' . So far, although the effective length of a grounding wire or an electrode has been studied and discussed on the basis of experiments or simulations in [2][3][4][5][6][7][8], they deal with an independent grounding conductor or electrode. The effective length of a grounding conductor, which is connected to the foundation of a large structure such as a wind turbine has not yet fully been studied.…”

Section: Introductionmentioning

confidence: 99%

Effective length of vertical grounding wires connected to wind turbine foundation

Miyamoto

Baba

Nagaoka

et al. 2017

Journal of International Council on Electrical Engineering

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Wind turbines are frequently struck by lightning. One of the important and effective measures is to reduce the grounding impedance of wind turbine. For the reduction of grounding impedance, vertical and/or horizontal conductors are additionally buried and connected to the foundation. It has been reported that there is a certain length of grounding conductor, beyond which the part of the grounding conductor is ineffective. This is called 'effective length' . In this paper, the effective length of a vertical grounding conductor is investigated through simulations using the FiniteDifference Time-Domain method.

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