Gap-type Conductor/ Gap-type Conductors - GZTACSR

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Gap-type Conductors

These conductors have a special construction feature with a small gap filled with grease between the high strength steel core and the thermal resistant Al-Zr alloy conductive layers. This allows:

• Tension the core and the external layer independently to have the knee-point at the installation temperature
• Limiting the sag increase with the increase of the temperature by the thermal expansion coefficient above knee-point related to the steel core
• Maintaining the mechanical strength of the conductor with continuous operating temperature up to 210°C
• Reduced cost due to no expensive materials being required

Installation method of GZTACSR is well but requires skilled specialists because at the time of sagging, a special sagging method is required to apply all the tension to the steel core only.

Gap-type conductors are particularly suitable to replace ACSR conductors in flat lands or in any case with small difference in level.

 

 

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Specification EXAMPLE - Other Designs According to Customers' Requirements

In accordance with IEC 62420, IEC 62219, IEC 60888, IEC 62004

In case the numerical value in this specification example and the international standard value are different, the numerical value in this example has priority.

 

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