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A Leading Global Manufacturer of Cable Systems

Extra & High Voltage Power Cable

ZTT is an experienced and reliable manufacturer and supplier of power cable. It forms about 5,000 kilometers of (extra) high voltage (hereafter called EHV/HV) power cables annual output and becomes a professional company and satisfies different customers’ requirements with quickest delivery time.

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Design & Construction

The HV cable (66kV~500kV) has the construction of a conductor (copper or aluminum, max. cross section:3500mm2) insulated with the cross-linked polyethylene(provide superior heat resistance 90℃), shielded with metallic screen (metallic tapes or wires etc.) according to requirements, finally to be covered by extruded PVC (ST2), PE (ST7) or halogen free (ST8) sheath for anti-corrosion.

Reference Standards

The products meet the international standards of IEC series (such as IEC 60840, IEC 62067 etc.) and can be manufactured according to customers’ requirements of standards such as ICEA, AS, BS, DIN etc. ZTT also can produce XLPE insulated cable with special requirements including waterproofing, termite protection, rat proofing, river crossing etc.

Types & Purposes

  • ZTT HV Power Cable Accessories have the following types:

    -Porcelain shell terminal

    -Composite bushing terminal

    -GIS terminal

    -Insulated joint

  • ZTT HV Power Cable has the following types: HVAC power cable

    -Corrugated Al sheath Cable

    -Extruded Lead Sheath Cable

    -Copper Wire Shield Cable

ZTT can provide power system from 66 kV~500 kV such as XLPE cables, terminations, joints and other related products as some parts our total solution promoting the advantage in 220kV and higher voltage system. 
HVAC Cable system : HVAC power cable + accessories: 

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Advantages

ZTT has a complete industrial chain of continuous casting and rolling copper/aluminum rod, copper tape and medium voltage power cable. We design and manufacture the cable as per client’s project requirement and international standard (such as IEC, ICEA, AS etc). 

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We offer various cable design as per our client’s requirement, like copper wire shield, lead alloy sheath, laminated foil sheath etc. We have introduced the world’s most advanced 750kV VCV XLPE production line from Germany TROSTER. With the advantage of VCV production line tower, we can supply power cable specification: 240- 3500mm2, up to 750kV voltage level. We also have modern management mode to ensure the price advantage of our products and have received certifications of ISO9001, ISO14001and ISO18001. Meanwhile our products have acquired many foreign type approval certificates in order to make our products export to the whole world.

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