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Protection and Control of Modern Power Systems

Table 1 Errors at different conductor sags

From: Grounding fault location method of overhead line based on dual-axis magnetic field trajectory

|ΔB| (%)

A phase

B phase

C phase

x-axis

1.85

3.28

1.85

y-axis

2.32

0/0

2.32

  1. 0/0 indicates that the magnetic field does not exist in both cases. (When the B phase line is directly above the sensor, the magnetic field on the y-axis is 0.)
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