Medium voltage flame-retardant frequency-conversion power cable
A power cable, medium voltage technology, applied in the field of medium voltage flame retardant variable frequency power cables, can solve problems such as poor shielding effect, interference of main core and neutral core, unbalanced harmonic voltage, cable breakdown, etc., to achieve safety The effect of improving, suppressing interference, and prolonging service life
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[0014] The implementation of the present invention will be described in further detail below in conjunction with the accompanying drawings. The following embodiments are only descriptive, not restrictive, and cannot limit the protection scope of the present invention.
[0015] A medium voltage flame retardant variable frequency power cable, such as figure 1 As shown, it includes three cable core wires arranged in parallel and with the same structure. Each cable core wire includes a circular conductor 1. A three-layer co-extrusion technology is used outside the conductor to extrude the shielding layer 2 and the insulating layer from the inside to the outside together. 3 and the insulating shielding layer 4, the inner layer aluminum-plastic composite tape 5 is wrapped outside the insulating shielding layer, the inner layer aluminum-plastic composite tape is covered with the inner layer copper wire sparsely wound shielding layer 6, the inner layer copper wire sparsely wound shield...
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