SHIELDING OF HIGH-VOLTAGE CABLES Russian patent published in 2014 - IPC H02G9/02 

FIELD: electricity.

SUBSTANCE: invention relates to shielding of high-voltage cable systems. A magnetically shielded cable layout is proposed, comprising at least two AC cables (201-203) comprising a spaced area (210-212) between two sections (213, 214) of parallel cables brought together, besides, such spaced area (210-212) serially includes an opening area, a widely spaced area and a closing area, and a system (1) of electromagnetic field shielding (EMF), laid on top of the above at least two AC cables (201-203), besides, the specified system of EMF shielding (1) comprises a conductor (2, 3, 11, 12), having two branches (2, 3), forming a middle section (4, 5) and end sections (7-10), besides, the width of the middle section is equal to the distance between AC cables in the widely spaced section (210), or is more than this distance, and width at the ends of end sections (7-10) is more than the distance between AC cables on the sections brought together, and less than the distance between AC cables in the widely spaced section, at the same time the specified conductor (2, 3, 11, 12) contains an internal electric tract (2a, 3a) and an external electric tract (2e, 3e), connected to each other (11, 12) at appropriate longitudinal ends.

EFFECT: invention provides for reduction of magnetic field, radiated by AC cables in areas, where they are spaced from each other within a certain section of its length.

21 cl, 17 dwg, 3 tbl