Overhead three-phase power line eliminating fringing electric an

Details Overhead three-phase power line eliminating fringing electric an Overhead three-phase power line eliminating fringing electric an

1990-09-06

1993-06-08

Pellinen, A. D.

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific transmission line

307 91, 174 36, H02H 700

Patent

active

052185079

ABSTRACT:
Extraneous electric and magnetic fields, which may be public health risks associated with electric power transmission, are avoided by using an improved power transmission cable and wiring arrangement that uses coaxial transmission lines configured so that the return current flows in the outer conductor. A cable structure is taught that both provides the desired shielding and maintains protection against lightning strikes. The coaxial transmission lines eliminate radiation of 50-60 Hz electromagnetic waves.

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patent: 4371745 (1983-02-01), Sakashita
patent: 4575691 (1986-03-01), Capek et al.
patent: 5053910 (1991-10-01), Goldstein

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