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CABLES HVCRC

Brussels - Grosebeak (430 - 52 mm2)

Brussels - Grosebeak (430 - 52 mm2) Brussels - Grosebeak (430 - 52 mm2)

Brussels - Grosebeak (430 - 52 mm2)

High-conductivity aluminum conductors made in trapezoidal wires, with a hybrid carbon and glass core that allows operation at high temperatures and low SAG (HTLS).

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Description

Description

Application

HVCRC CENTELSA by Nexans cables are designed to improve the current capacity of the line, reduce sag and electrical losses and are used in overhead lines for the transmission of electrical energy. Additionally, they are an excellent alternative for transmission line repowering projects.

Construction

Conductor made of trapezoidal wires of high-conductivity annealed aluminum alloy 1350-O, stranded on a carbon and glass fiber core embedded in a high-temperature thermoset resin.

Reference Standards

  • ASTM B987
  • ASTM B857
  • IEC 62219  

Certificate

RETIE N°06613

Temperature

  • 180°C, Continous operating.
  • 200°C, Emergency by 8760 Hours.

Packaging

Wooden Reels.

Ampacity Conditions

Current Capacity at continous operating temperature of 180°C and 200 °C in emergency, calculated according to IEEE Standard 738-2012 under the following conditions:

  • Wind 2 ft/s (0.61 m/s) with an angle of 90°.
  • Emissivity Coefficient 0.6.
  • Solar Absorption Coefficient 0.5.
  • Ambient temperature 25°C.
  • Solar radiation 93 W/ft2 (1000 W/m2).
  • System Frecuency 50 Hz.

NOTE:

  • The data reported here are nominal and are subject to tolerances according to standards and normal manufacturing practices.
  • Other configurations not specified in this catalog may be available under special request and minimum manufacturing quantities.

Characteristics

Characteristics

Construction characteristics

Construction characteristics

Type of cable
BRUSSELS / GROSBEAK
Conductor flexibility
Stranded
Conductor material
Aluminum / Composite Core
Conductor shape
Compact Stranded (trapezoidal wires)

Dimensional characteristics

Dimensional characteristics

Aluminium cross-section
421.7 mm²
Cross-section of the cores
51.9 mm²
Conductor cross-section
473.6 mm²
Number of cores
1
Core diameter
8.1 mm
Number of aluminium wires
20
Conductor diameter
25.13 mm
Nominal outer diameter
25.13 mm
Approximate weight
1262 kg/km

Electrical characteristics

Electrical characteristics

Max. DC resistance of the conductor at 20°C
0.068 Ohm/km
Max. Electrical Resistance. AC 50Hz 25°C
0.069 Ohm/km
Max. Electrical Resistance AC 50Hz 75°C
0.082 Ohm/km
Max. Electrical Resistance AC 50Hz 180°C
0.111 Ohm/km
Max. Electrical Resistance AC 50Hz 200°C
0.116 Ohm/km
Inductive reactance
0.213 Ohm/km
Capacitive reactance
0.183 MOhm.km
Ampacity 180°C
1592 A
Ampacity 200°C
1680 A

Mechanical characteristics

Mechanical characteristics

Minimum Tensile Strength Conductor
141.8 kN
Nominal Tensile Strength Core
116.5 kN

Usage characteristics

Usage characteristics

Maximum operating temperature (cables)
180 °C
Packaging
Reel

Resources

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