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200m armoured cable 4mm 3 core YJV resistance

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  • Power Cable

    Power Cable

    Power cables are mainly used for power transmission and distribution purpose. It is an assembly of one or more individually insulated electrical conductors, usually held together with an overall sheath. The assembly is used for transmission and distribution of electrical power. Electrical power cables may be installed as permanent wiring within buildings, buried in the ground and run overhead or exposed.……Including: rubber cable, welding cable, URD cable, XLPE insulated power calbe etc.

  • Bare Overhead Conductor

    Bare Overhead Conductor

    Bare Overhead Conductors are used in overhead transmission and distribution network applications.They are also used for un-insulated hook ups, jumpers, grounding conductors and other applications. Our Conductors conform to ASTM, IEC, BS, BS EN and DIN standards.…… Including: AAC conductor, AAAC conductor, ACSR conductor, ACAR conductor, AACSR conductor, etc.

  • Aerial Bundled Cable

    Aerial Bundled Cable

    Aerial bundled cables (also aerial bundled conductors or simply ABC) are overhead power lines using several insulated phase conductors bundled tightly together, usually with a bare neutral conductor. Our abc calbe conform to ASTM, IEC, SANS standards.……Including: abc cables, cvered line wire, service drop wire etc.

    • Calculate line resistance R
     
    Formula: R= ρ * L/S
     
    In which: ρ – conductor resistivity, copper cable use 0.01740 substitute, aluminum conductor use 0.0283 substitute
     
    L – the length of the line, with the "m" substitution
     
    S — Nominal cross section of S cable
     
    Calculate line pressure drop:
     
    Formula: ΔU=I×R
     
    So to calculate the voltage drop cable, first of all to know the size of the line in the current, or know the power  size, according to the power to calculate. And the size of the cable voltage drop is also related to the laying  environment temperature, the higher the temperature, the greater the voltage drop.
     
    YJV 0.6/1kv 3*4mm2 armoured cable another end voltage is 220V.

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