A detection method for the effective length of the grounding pole impact of a transmission line tower
A technology of transmission line and effective length, applied in the direction of grounding resistance measurement, measuring device, measuring electric variable, etc.
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[0027] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific implementation methods.
[0028] The schematic diagram of the shock dissipation process of the horizontal grounding body of the transmission line tower is attached figure 1 As shown, point 1 is the position where the impulse current is injected into the grounding body, and the shaded area in the figure indicates the diffused area. Figure 1 It can be seen that from the moment of impulse current injection, the current density of the horizontal grounding body is the highest at the current injection point, and the area where the flow flows to the ground due to the inductance of the conductor is mainly concentrated near the current injection point. With the longitudinal propagation of the impulse current, the part of the grounding body that participates in the flow to the soil continues to increase, until the entire conductor participates in the flow to...
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