Am Acsr 2011b

14
overhead conductors aluminium operational excellence

description

ACSR

Transcript of Am Acsr 2011b

Page 1: Am Acsr 2011b

overhead conductorsaluminium

operational

excellence

Page 2: Am Acsr 2011b

operational excellence

Contents

Company Overview

Product

BEE Compliance

Tables

Overview

Comparison of the Characteristics of Aluminium

Chemical Characteristics of Rod

Mechanical Characteristics of Rod

Aluminium Conductor Steel Reinforced - ACSR (British Standard Sizes)

Aluminium Conductor Steel Reinforced - ACSR (Extra Strong)

All Aluminium Conductor - AAC (British Standard Sizes)

All Aluminium Alloy Conductors - AAAC (British Standard Sizes)

ACSR - Aluminium Conductor Steel Reinforced

AAC - All Aluminium Conductor

AAAC - All Aluminium Alloy Conductor

Notes

1

1

2

2

3

3

3

5

6

8

10

3

4

7

9

11

Page 3: Am Acsr 2011b

Alcon Marepha (Pty) Ltd is a South African based company that manufactures high quality aluminium overhead conductorsused inTransmission and Distribution sectors of the power utilities.The company customer base include Eskom with longterm contracts, Transnet, local municipalities, distributors, Swaziland Electricity Company and Botswana PowerCooperation to mention a few.The company core competencies are in meeting customer technical requirement and shortturnaround times.

The company's focus on persistently strong management, skills tranfer and our customer's requirements enable us todeliver exemplary customer care and high product quality. Alcon Marepha prides itself on the quality of the productsproduced and has been ISO 9001 compliant since 2002. We recently acquired the SABS product quality mark.

Furthermore, our ethos, which is founded in operational excellence, strong financial control and corporate governance,facilitated a highly driven environment with attention to the details that enable success.

We manufacture a full range of the different types of aluminium overhead conductors, from 7 strands to 61 strands. Theconductors are manufactured to international or national standards.The British standard tables are shown in this brochure,but conductors can be manufactured to all other standards, e.g Canadian, Australian, ASTM and extra strong constructions.The details for the conductors complying with other standards are available on our web site www.alcon.co.za.

are used in areas with less corrosive effects but can be greased toimprove corrosion resistance.

are used in aggressive corrosionenvironments. AAAC conductors are used where longer spans are needed as the tensile strength is higher than AACconductors. The current carrying capacity of the AAAC conductor is slightly lower than that of the AAC conductor for thesame dimensions. Refer to our product schedule for product range.

DrumsThe standard drum lengths for ACSR conductors are 1000M, 1500m, 2000m and 3000m. The standard drum lengths forAAC and AAAC conductors are 1000m, 1500m and 3000m, but other lengths can be manufactures to suit specificrequirements. Note the minimum order length is 1000m. Standard drum weights and dimensions required for transportcalculations are also available on the web site.

Aluminium Conductor Steel Reinforced (ACSR)

All Aluminium Conductors (AAC) and All Aluminium Alloy Conductors (AAAC)

Product

1operational excellence

Company Overview

Page 4: Am Acsr 2011b

BEE Compliance

Tables

The company is a level 3 contributor. Alcon Marepha (Pty) view black economic empowerment as a prerequisite forbusiness sustainability in South Africa.To this effect, 95% of our staff is historically disadvantaged individuals (HDI), and ourfocus has been on emplyment equity, skill development and enterprise development.

The information contained in the standard tables is based on the following conditions:

• AmbientTemperature 30°C

• Maximum ConductorTemperature 75°C

• Wind Speed 0,44m/s

• Normal StringingTemperature 25°C

• Solar Radiation 890W/m²

• Solar Absorption Coeficient 1

• Span length

• Maximum design load (25% of UTS if not specified)

• Stringing temperature

Sag andTension charts:

operational excellence2

Company Overview

Page 5: Am Acsr 2011b

Overview

Comparison of the Characteristics of Aluminium

Material Aluminium Al Alloy

Specific gravity

Hard drawn

Annealed

Volume resistivity at 20°C .m

Temperature coefficient of resistance per °C

Coefficient of linear expansion per °C

Specific heat KJ/kg/K

Melting point °C

Tensile strength: MPa

2,70

160

100

2,826 x 10

0,00403

23 x 10

0,904

658

-8

-6

2,70

-

295

3,253 x 10

0,00360

23 x 10

0,904

658

-8

-6

Chemical Characteristics of Rod

Aluminium

Code Si Fe B Mn Ti V Cr+ + + Al

99,7 EC% min.

% nom.

% max.

-

-

0,10

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0,003

0,005

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-

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99,65

99,70

-

Others 0.01 max. - remainder aluminium

Code

% min.

% nom.

% max.

Alloy

Mg FeSi B Mn V Cr+ + Ti Zn

0,50

0,55

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0,25

0,004

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-

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-

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0,50

6101

Mechanical Characteristics of Rod

110-130

6-12

6-12

62,3 min.

9,55 nom.

AluminiumDescription Alloy

170-200

8-12,5

8-12,5

52,5 min.

9,55 nom.

Elongation %

Tensile MPa

Conductivity

Diameter mm

3operational excellence

Page 6: Am Acsr 2011b

ACSRAluminium Conductor Steel Reinforced

6 Al./1 St.

4 Al./3 St.

3 Al./4 St.

12 Al./7 St.

24 Al./7 St. 18 Al./1 St.16 Al./19 St.

26 Al./7 St.30 Al./7 St.30 Al./19 St.

45 Al./7 St.54 Al./7 St.54 Al./19 St.

7 Al./7 St.

operational excellence4

Page 7: Am Acsr 2011b

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5operational excellence

Page 8: Am Acsr 2011b

6

operational excellence6

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Page 9: Am Acsr 2011b

AACAll Aluminium Conductor

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7operational excellence

Page 10: Am Acsr 2011b

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Page 11: Am Acsr 2011b

AAACAll Aluminium Alloy Conductor

9operational excellence

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Page 12: Am Acsr 2011b

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Page 13: Am Acsr 2011b

Notes

11operational excellence

Page 14: Am Acsr 2011b

www.alcon.co.za

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