DC high-voltage aluminum alloy cable for magnetic suspension system
A DC high voltage, aluminum alloy technology, used in insulated cables, power cables, cable/conductor manufacturing, etc., can solve problems such as the large proportion of cable prices and the inability of investors to bear, and achieve excellent electromagnetic shielding performance, reliable performance, The effect of reducing the service life
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[0022] Such as figure 1 As shown, a DC high-voltage aluminum alloy cable for a magnetic levitation system includes an aluminum alloy conductor 1, and the outer side of the aluminum alloy conductor 1 is sequentially covered with a semiconductive shielding tape 2, a cross-linked polyethylene insulating layer 3, and a tinned copper wire Braided shielding layer 4, aluminum alloy belt interlocking metal sheath layer 5 and halogen-free low-smoke polyolefin outer sheath 6; the aluminum alloy conductor 1 is made of aluminum alloy wires tightly twisted and twisted. The alloy wire is drawn into a trapezoidal monofilament through a trapezoidal wire drawing die. The innermost aluminum alloy monofilament is round, and the outer layer of the round monofilament is wrapped with a trapezoidal monofilament. The mold is pressed tightly, and the filling rate of each layer is more than 95%; a guide wire 7 is also provided on the tinned copper wire braided shielding layer 4 .
[0023] The semi-con...
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