Mining Cables

Mining Cables (ICEA & CSA Standard)
Portable Power Cables
Portable Welding Cables
Mine Power Feeder Cables

Mining Cables (AS_NZS Standard)
AS/NZS 1802:2003 Reeling & Trailing Cables
AS/NZS 2802:2000 Reeling & Trailing Cables
AS/NZS 1972:2006 Cables

Mining cables(VDE Standard)
Cables for Underground Mining
Cables for Open-cast Mining

 

 

  

PRODUCTS

Mining Cables (ICEA & CSA Standard)
Materials Requirements According to ICEA S-75-381
Table 1 Power Conductor Insulation Requirements :
The insulation for the power conductor shall meet the requirements given in the table below.

Ethylene Propylene Crosslinked Polyethylene
Type I Type II
Up to 2 kV Above 2 kV Up to 2 kV Above 2 kV Up to 2 kV Above 2 kV
1.INITIAL PHYSICAL PROPERTIES
Tensile strength, minimum, psi 700 700 1200 1200 1800 1800
Tensile stress@100%
Elongation, minimum, psi - - 500 500 - -
Elongation at rupture, minimum,% 250 250 150 150 250 250
2.AIR OVEN AGING
(After Conditioning@121℃ +/-1℃for 168 hours)
Tensile strength & elongation minimum, percentage of 75 75 75 75 75 75
unaged value
3.ACCELERATED WATER ABSORPTION
Dielectric constant after 24 hours, maximum 6 4 6 4 6 3.5
Increase in capacitance maximum, percent
1-14 days 5 3.5 5 3.5 3 3
7-14 days 3 1.5 3 1.5 1.5 1.5
*Stab. factor after 14 days or 1 1 1 1 1 1
*Alternate to Stability Factor (Stability Factor Difference) 0.5 0.5 0.5 0.5 0.5 0.5
1-14 days max.
4.INSULATION RESISTANCE
IR@15.6℃, minimum, Megohms-1000ft 10,000 20,000 10,000 20,000 10,000 20,000
5.ADDITIONAL REQUIREMENTS
Power factor maximum, % after 24 hr - 2 - 2 - 2
**Permittivity (SIC) - 4 - 4 - 3.5
Hot creep (ICEA T-28-562) (After conditioning@150℃+/-2℃) All Voltages
***Unfilled ***Filled
Elongation, maximum % 50 50 50 50 175 100
Set, maximum, % 5 5 5 5 10 5

* Only one of these two requirements needs to be satisfied, not both.
**Applies only to cables rated 5,001 volts and above.
***If this value is exceeded, the solvent extraction test may be performed and will serve as a referee method to determine compliance. Requirement shall be 30 percent maximum extractibles after 20 hours drying.
Table 2 Ground Check Conductor & Control Conductor Insulation :

Requirements............................................................................................................................
The insulation for the ground-check and control conductors shall be one of the types given in the table below and shall meet the requirements specified in it.

Crosslinked Thermoplastic
Ethylene Propylene Crosslinked Chlorinated Chlorosulfonated Thermoplastic Polypropylene
Type I Type II Polyethylene Polyethylene Polyethylene Elastomer
1.INITIAL PHYSICAL PROPERTIES (At Room Temperature)
Tensile strength, minimum, psi 700 1200 1800 1500 1500 1500 3000
Tensile stress@100%
Elongation, minimum, psi - 500 - - - - 2500
Elongation at rupture, minimum, percent 250 150 250 300 300 300 300
Set, maximum, percent - - 30 30
2.AIR OVEN AGING REQUIREMENTS
After conditioning@℃ +/-1℃ 121 121 121 121 121 121 100
Hours 168 168 168 168 168 168 48
Minimum percent retention of original value
Tensile strength 75 75 75 85 85 75 75
Elongation 75 75 75 55 50 75 75

Table 3 Extra-Heavy-Duty Crosslinked Jackets and Thermoplastic :

Polyurethane........................................................................................................................................
The jacket for portable cables shall meet the appropriate requirements in Table 3 and 4

Neoprene (PCP) Nitrile Butadiene Chlorosulfonated Thermoplastic
Chlorinated (NBR)/Polyvinyl Polyethylene* Polyurethane
Polyethylene Chloride (PVC) (CSP/CSPE) (TPU)
(CPE)
1. PHYSICAL PROPERTIES
Tensile strength, minimum, psi 2400 2400 2400 2400 3700
Tensile stress at 200 percent elongation, minimum, psi 700 700 700 700 800
Elongation at rupture, minimum, percent 300 300 300 300 400
Set, maximum, percent 30 20 30 30 N/A
Tear resistance, minimum, ppi 40 40 40 40 80
2.AGING REQUIREMENTS (After air oven test at 100℃ +/-1℃ for 168 hours)
Tensile strength, minimum, percentage of unaged value 70 50 50 70 50
Elongation at rupture, minimum, percentage of unaged value 55 50 50 60 75
3.AGING REQUIREMENTS (After oil immersion test at 121℃ +/-1℃ for 18 hours)
Tensile strength and elongation, minimum, percentage of unaged value 60 60 60 60 60
4.ELECTRICAL REQUIREMENTS
Surface resistance,nonshielded cables minimum, megohms 100 100 100 100 N/A

*Also known as Chlorosulfonyl Polyethylene.
Table 4 Heavy-Duty Crosslinked Jackets :
The jacket for portable cables shall meet the appropriate requirements in Table 3 and 4.
The jacket for mine power feeder cables shall be a crosslinked jacket meets the requirements of Table 4 or a thermoplastic jacket that meets the requirements of Table 5.

1. PHYSICAL REQUIREMENTS
Tensile strength, minimum, psi 1800 1800 1800 1800
Tensile stress at 200 percent elongation, minimum, psi 500 500 500 500
Elongation at Rupture, minimum, percent 300 300 300 300
Set, maximum, percent 30 20 30 30
2.AGING REQUIREMENTS (After air oven test at 100℃ +/-1℃ for 168 hours)
Tensile strength, minimum, percentage of unaged value 85 50 50 85
Elongation at rupture, minimum, percentage of unaged value 55 50 50 65
3.AGING REQUIREMENTS (After oil immersion test at 121℃+/-1℃for 18 hours)
Tensile strength and elongation, minimum, percentage of unaged value 60 60 60 60
4.ELECTRICAL REQUIREMENTS
Surface resistance,nonshielded cables minimum, megohms 100 100 100 100

*Also known as Chlorosulfonyl Polyethylene.
Table 5 Thermoplastic Jacket Requirements :
The jacket for mine power feeder cables shall be a crosslinked jacket meets the requirements of Table 4 or a thermoplastic jacket that meets the requirements of Table 5.
Polyvinyl Chloride (PVC) Chlorinated Thermoplastic
Thermoplastic Polyurethane (TPU)
Polyethylene (CM)
1.INITIAL PHYSICAL PROPERTIES
Tensile strength, minimum, psi 1500 1400 3700
Elongation at rupture, minimum, percent 100 150 400
2.AIR OVEN AGING REQUIREMENTS
After conditioning@℃ +/-1℃ 100 121 100
Hours 120 168 168
Tensile strength, minimum, percent of unaged value 85 85 50
Elongation, minimum, percent of unaged value 60 50 75
3.OIL IMMERSION
After conditioning@℃ +/-1℃ 70 100 121
Hours 4 18 18
Tensile strength, minimum, percent of unaged value 80 60 60
Elongation, minimum, percent of unaged value 60 60 60
4.HEAT DISTORTION,121℃+/-1℃, maximum,percent 50 25 -

Table 6 Heavy Duty Jackets Requirements (Type A) :
The jacket for portable arc-welding cables shall be a heavy-duty jacket meets the requirements of Table 6 or a medium-duty jacket that meets the requirements of Table 7.
Styrene Neoprene Nitrile Chlorinated Ethylene Chlorosulfonated
Natural Butadiene (PCP) Butadiene Polyethylene Propylene Polyethylene
Rubber Rubber (NBR)/ (CPE) Rubber (CSP/CSPE)
(NR) (SBR) Polyvinyl ,Crosslinked (EPR)
Chloride
(PVC)*
1.PHYSICAL REQUIREMENTS
Tensile strength, minimum, psi 3500 1800 1800 1800 1800 1800 1800
Tensile strength, minimum, MPa 24.1 12.4 12.4 12.4 12.4 12.4 12.4
Tensile stress at 200 percent elongation, minimum, psi 500 - 500 500 500 500 500
Tensile stress at 200 percent elongation, minimum, MPa 3.45 - 3.45 3.45 3.45 3.45 3.45
Elongation at rupture, minimum, percent 500 300 300 300 300 250 300
Set, Maximum, percent 15 20 20 30 30 - 30
Tear, resistance, mimimum, pounds per inch 40 - - - - - -
Tear, resistance, mimimum, kN/m 7.01 - - - - - -
2.AGING REQUIREMENTS
After air oven test at 100℃+/-1℃ for 168 hours
Tensile strength, minimum, percent of unaged value - - 50 50 85 75 85
Elongation at rupture, minimum percentage of unaged value - - 50 50 55 75 65
After air oven test at 70℃+/-1℃ for 168 hours
Tensile strength, minimum, psi - 1600 - - - - -
Tensile strength, minimum, MPa - 11 - - - - -
Elongation at rupture, minimum percentage - 250 - - - - -
After air pressure heat test at 127℃+/-1℃ for 20 hours
Tensile strength and Elongation at rupture, minimum, percent of unaged value - - - 50 - - -
After oxygen pressure test at 70℃+/-1℃for 96 hours
Tensile strength, minimum, psi 2500 1600 - - - - -
Tensile strength, minimum, MPa 17.2 11 - - - - -
Elongation at rupture, minimum percentage 400 250 - - - - -
After oxygen pressure test at 80℃+/-1℃for 168 hours
Tensile strength and Elongation at rupture, minimum, percent of unaged value - - - 50 - - -
After oil immersion test at 121℃+/-1℃for 18 hours
Tensile strength and Elongation at rupture, minimum, percent of unaged value - - 60 60 60 - 60

*Suitable for a minimum temperature of minus 10℃ (plus 14℉)
Table 7 Medium Duty Jackets Requirements (Type B) :
The jacket for portable arc-welding cables shall be a heavy-duty jacket meets the requirements of Table 6 or a medium-duty jacket that meets the requirements of Table 7.

Styrene Neoprene Nitrile Butadiene Chlorinated Ethylene Chlorosulfonated
Butadiene (PCP) (NBR)/Polyvinyl Polyethylene Propylene Polyethylene
Rubber (SBR) Chloride (PVC)* (CPE) Rubber (EPR) (CSP/CSPE)
,Crosslinked
1.PHYSICAL REQUIREMENTS
Tensile strength, minimum, psi 1200 1200 1500 1500 1200 1200
Tensile strength, minimum, MPa 8.27 8.27 10.3 10.3 8.27 8.27
Elongation at rupture, minimum, percent 250 250 250 300 150 250
Set, Maximum, percent - 20 30 35 - 30
Tear, resistance, mimimum, pounds per inch
Tear, resistance, mimimum, kN/m
2.AGING REQUIREMENTS
After air oven test at 100℃+/-1℃ for 168 hours
Tensile strength, minimum, percent of unaged value - 50 50 85 75 85
Elongation at rupture, minimum percentage of unaged value - 50 50 55 75 65
After oxygen pressure test at 70℃+/-1℃for 48 hours
Tensile strength, minimum, psi 1000 - - - - -
Tensile strength, minimum, MPa 6.89 - - - - -
Elongation at rupture, minimum percentage 100 - - - - -
After oxygen pressure test at 80℃+/-1℃for 168 hours
Tensile strength and Elongation at rupture, minimum percent of unaged value - - 50 - - -
After air pressure heat test at 127℃+/-1℃for 20 hours
Tensile strength and Elongation at rupture, minimum, percent of unaged value - - 50 - - -
After oil immersion test at 121℃+/-1℃for 18 hours
Tensile strength and Elongation at rupture, minimum percent of unaged value - 60 60 60 - 60

*Suitable for a minimum temperature of minus 10℃ (plus 14℉).

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