针对输电线路的工程应用要求，开展了新型铝包镍钼合金钢芯耐热铝合金导线的

In view of the engineering application requirements of transmission lines, the structural design and preparation technology of new aluminum-clad nickel-molybdenum alloy steel core heat-resistant aluminum alloy conductors were developed, and new aluminum-clad nickel-molybdenum alloy steel core heat-resistant aluminum alloy conductor samples were developed and passed. The third-party type test verified that the cost was reduced by more than 25% compared with the same type of conductors in active service, which realized the engineering application of 66kV and above voltage transmission lines belonging to the State Grid Liaoning, Jiangsu and Jilin companies, and formed the "Al-clad nickel-molybdenum alloy steel. "Technical conditions of core heat-resistant aluminum alloy wire" has laid a good foundation for the low-cost preparation and popularization of this type of wire.

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According to the engineering application requirements of transmission line, the structural design and preparation technology of new aluminum clad nickel molybdenum alloy steel core heat-resistant aluminum alloy conductor are studied. The new aluminum clad nickel molybdenum alloy steel core heat-resistant aluminum alloy conductor sample is developed. The cost is reduced by more than 25% compared with the same type of conductor in service by the third party type test, which realizes that the cost is reduced by more than 25% in the State Grid Liaoning, Jiangsu and Jilin companies The technical conditions of aluminum clad nickel molybdenum alloy steel core heat resistant aluminum alloy conductor has been formed for the engineering application of 66kV and above voltage level transmission lines, which has laid a good foundation for the low-cost preparation and popularization and application of this type of conductor.