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Among the ultra-high-voltage (UHV) grids in eastern China, the construction of multi-circuit transmission lines with mixed voltages on a single tower is a novel transmission technology that can significantly reduce line corridor coverage, maximise the use of tower height and significantly improve power transmission capacity per area. However, the electromagnetic interaction between lines is complicated...
A set of efficient closed-form expressions of the mixed potential Green's functions in multilayered media are obtained for defining electromagnetic fields due to general electric and magnetic sources. Furthermore, the MPIE equations are derived for the arbitrarily shaped, conducting or penetrable objects embedded in a multilayered medium. Numerical results of the Green's functions and their practical...
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