Y. Li, F.P. Dawalibi, J. Ma, and R. Southey (Canada)
Phase transposition, induced voltages, circuit approach,electromagnetic field approach, railway, and compatibility
This paper analyzes the effects of power line phase transpositions on induced AC voltages to nearby utilities. It is demonstrated that phase transposition can be used to minimize inductive coupling and thus reduce interference on nearby metallic utilities, such as railways and pipelines, under load conditions. The computerized analyses are based on both circuit and field approaches and are carried out using a realistic railway interference case. This analysis ensures that the optimum transposition scenario on a power system network is obtained. The effects of the induced voltages caused by the phase transpositions are examined and quantified.
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