Active Member
|
Address: Jinghe Hi-tech Industrial Zone, Hejian City, Hebei province,China
Phone: 86-10-59361676
Contact name:Janny Yin
Hebei New Baofeng Wire & Cable Co.,Ltd |
|
|
Fire-retardant Cable For Coal Mine
■ Product standard
MT818.2-1999,GB12972.2-91,MT386
Coal cutter flexible cables for rated voltage up to and including 1.9/3.3kV | ||
Type | Name | Application |
MC-0.38/0.66 UC-0.38/0.66 | Rubber sheathed coalcutter flexible cable | For power supply of coalcutter or similar equipments of rated voltage 0.38/0.66kV |
MCP-0.38/0.66 UCP-0.38/0.66 | Rubber sheathed with screens coalcutter flexible cable | For power supply of coalcutter or similar equipments of rated voltage 0.38/0.66kV |
MCP-0.66/1.14 UCP-0.66/1.14 | Rubber sheathed with screens coalcutter flexible cable | For power supply of coalcutter or similar equipments of rated voltage 0.66/1.14kV |
MCP-1.9/3.3 | Rubber sheathed with screens coalcutter flexible cable | For power supply of coalcutter or similar equipments of rated voltage 1.9/3.3kV |
■ Construction of cable
1. Power core conductor
2. Earthing core conductor
3. Control core conductor
4. Insulation
5. Insulation screens
6. Outer sheathed
7. Inner sheathed
8. Fiber woven reinforced layer
■ Structure and size of cable
No. of cod×Nominal Area mm2 | Diameter and weight of cable | |||||
MC-0.38/0.66 | MCP-0.38/0.66 | |||||
Power core | Earthing core | Control core | Diameter mm | Weight kg/km | Diameter mm | Weight kg/km |
3×16 | 1×4 | 3×2.5 | 31.3~34.4 | 1630 | 33.2~36.5 | 1758 |
3×25 | 1×6 | 4×2.5 | 38.4~41.0 | 2371 | 40.3~44.3 | 2524 |
3×35 | 1×6 | 4×4 | 43.9~48.3 | 2939 | 45.8~50.4 | 3090 |
3×50 | 1×10 | 7×4 | 47.7~51.0 | 3909 | 51.5~55.0 | 4078 |
No. of cod×Nominal Area mm2 | MCP-0.66/1.14 Diameter and weight of cable | ||||
Power core | Earthing core | Earthing core | Diameter mm | Weight kg/km | |
A type | B type | ||||
3×35 | 1×6 | — | 47.8~51.0 | 53.2~58.7 | 3479 |
3×50 | 1×10 | 3×16/3 | 53.5~58.9 | 59.0~63.0 | 4608 |
3×70 | 1×16 | 3×25/3 | 58.9~63.0 | 63.8~70.2 | 5612 |
3×95 | 1×25 | 3×35/3 | 64.9~71.4 | 68.7~75.6 | 6971 |
No. of cod×Nominal Area mm2 | MCP-1.9/3.3 Diameter and weight of cable | ||||
Power core | Earthing core | Earthing core | Diameter mm | Weight kg/km | |
A type | B type | ||||
3×35 | 1×16 | 3×16/3 | 52.1~56.8 | 60.0~63.0 | 3172 |
3×50 | 1×25 | 3×25/3 | 56.4~62.0 | 63.8~70.2 | 4087 |
3×70 | 1×35 | 3×35/3 | 62.7~69.0 | 69.0~75.9 | 4908 |
3×95 | 1×50 | 3×50/3 | 67.8~74.6 | 73.1~78.0 | 5896 |
■ Operating characteristics
1. Rated voltage U0/U: 0.38/0.66kV, 0.66/1.14kV and 1.9/3.3kV
2. Permissible continuous operating temperature of conductor: Voltage 0.38/0.66kV
and 0.66/1.14kV:65℃,
Voltage 1.9/3.3kV:90℃
3. The Min. bending radius 6 times of the cable diameter
4. Cable with yellow sheath does not permit to expose to sunlight for a long time
■ Technical Property
1. D.C. resistance and insulation resistance of power core at 20℃
Nominal cross sectional area of conductor mm2 | D.C. resistance of Power core conductor Ω/km | Insulation resistance of power core MΩ.km | |
≤0.66/1.14kV | 1.9/3.3kV | ||
16 | ≤1.24 | ≥120 | —— |
25 | ≤0.795 | ≥120 | —— |
35 | ≤0.565 | ≥100 | ≥380 |
50 | ≤0.393 | ≥100 | ≥350 |
70 | ≤0.277 | ≥80 | ≥320 |
95 | ≤0.210 | ≥80 | ≥280 |
2. Transition resistance, transition resistance of shielding layer
should not be more than 3 kΩ.
3. Power core of 0.38/0.66kV cable should be undertaken work
frequency test with 3.0kV of withstand voltage test for 5 min
without breakdown.
Power core of 0.66/1.14kV cable should be undertaken work frequency
test with 3.7kV of withstand voltage test for 5 min without
breakdown.Power core of 1.9/3.3kV cable should be undertaken work
frequency test with6.8kV of withstand voltage test for 5 min
without breakdown.
■ Standard
MT818.3-1999,GB12972.3-91,MT386
Trailing coalcutter flexible cables with monitoring core and semiconducting screens for rated voltage of 0.66/1.44kV | ||
Type | Name | Application |
MCPJB-0.66/1.14 UCPJB-0.66/1.14 | Trailing coalcutter braided cable with monitoring core and semiconducting screens | For power supply of coalcutters or similar equipments of rated voltage up to and including 0.66/1.14kV. The cable can be directly used by trailing |
MCPJR-0.66/1.14 CUPJR-0.66/1.14 | Trailing coalcutter wrapped cable with monitoring core and semiconducting screens | For power supply of coalcutters or similar equipments of rated voltage up to and including 0.66/1.14kV. But the cable should be laid in shield scraping belt. |
■ Construction of cable
1. Power core conductor
2. Earthing core conductor
3. Insulation
4. Semi-conduct shield
5. Inner sheathed
6. Monitoring core
7. =being wrapped reinforced layer
#woven reinforced layer (can also be used for ground wire)
8. Outersheathed
■ Structure and size of cable
No. of cod×Nominal Area mm2 | Diameter and weight of cable | |||||
MCPJR-0.66/1.14 | MCPJB-0.66/1.14 | |||||
Power core | Earthling core | Control core | Diameter mm | Weight kg/km | Diameter mm | Weight kg/km |
3×35 | 1×16 | 3×2.5 | 40.0~44.5 | 3580 | 42.0~47.0 | 3635 |
3×50 | 1×25 | 3×2.5 | 45.5~50.5 | 4738 | 47.5~51.0 | 4802 |
3×70 | 1×35 | 3×2.5 | 51.5~55.0 | 5715 | 52.0~56.5 | 6210 |
3×95 | 1×50 | 3×2.5 | 56.0~61.5 | 7082 | 58.0~63.0 | 7113 |
Note:Nominal cross-sectional area of monitoring core conductor≥1.5 mm2,No reference insulation thickness of control core and monitoring core. | ||||||
■ Operating characteristics
1. Raged voltage U0/U: 0.66kV/1.14kV
2. Continuous operating temperature of conductor: 90℃
3. The Min. bending radius 15 times of the cable diameter.
■ Technical Property
1. Insulation resistance of power core at 20℃
Nominal cross sectional area of conductor mm2 | Diameter resistance of power core MΩ.km |
35 | ≥350 |
50 | ≥320 |
70 | ≥280 |
95 | ≥100 |
2. Transition resistance of shielding layer or monitor layer≤500Ω.
3. Finished cable should undergo AC 50Hz 3.7kV voltage, 5 min test and is not to be punctured.
■ Standard
MT818.4-1999,GB12972.4-91,MT386
Flexible coalcutter cables with individual metallic screens for rated voltage up to and including 1.9/3.3kV | ||
Type | Name | Application |
MCPTJ-0.66/1.14 | Flexible coalcutter cables with monitoring core and individual metallic screens | For power supply of coalcutters or similar equipments of rated voltage up to and including 0.66/1.14kV. |
MCPT-1.9/3.3 UCPT-0.66/1.14 | Rubber insulated coalcutter cable with individual monitoring screens | For power supply of coalcutters or similar equipments of rated voltage up to and including 1.9/3.3kV. |
MCPTJ-1.9/3.3 | Flexible coalcutter cables with monitoring core and individual metallic screens | For power supply of coalcutters or similar equipments of rated voltage up to and including 1.9/3.3kV. |
■ Construction of cable
1. Power core conductor
2. Power core insulation
3. Metallic/Fiber woven shield
4. Earthing core conductor
5. Monitoring core conductor
6. Control core conductor
7. Monitoring core insulation
8. Control core insulation
9. Control core wrapped layer
10. Sheathed
■ Structure and size of cable
No. of cod×Nominal Area mm2 | MCPTJ-0.66/1.14 Diameter and weight of cable | |||
Power core | Earthing core | Monitoring core | Diameter mm | Weight kg/km |
3×16 | 1×16 | 1×16 | 37.1~40.8 | 2420 |
3×25 | 1×16 | 1×16 | 41.7~45.9 | 2861 |
3×35 | 1×16 | 1×16 | 47.2~51.9 | 3507 |
3×50 | 1×25 | 1×25 | 51.5~56.2 | 4423 |
3×70 | 1×35 | 1×35 | 57.9~63.0 | 5919 |
3×95 | 1×50 | 1×50 | 65.1~71.6 | 7398 |
The insulated diameter fairly for monitoring core to power core. | ||||
No. of cod×Nominal Area mm2 | MCPTJ-1.9/3.3 Diameter and weight of cable | |||
Power core | Earthing core | Monitoring core | Diameter mm | Weight kg/km |
3×35 | 1×16 | 1×16 | 55.0~60.7 | 3930 |
3×50 | 1×25 | 1×25 | 57.8~63.0 | 5402 |
3×70 | 1×35 | 1×35 | 64.1~70.8 | 6837 |
3×95 | 1×50 | 1×50 | 69.2~76.2 | 8095 |
The insulated diameter fairly for monitoring core to power core. | ||||
No. of cod×Nominal Area mm2 | MCPT-1.9/3.3 Diameter and weight of cable | ||
Power core | Earthing core | Diameter mm | Weight kg/km |
3×35 | 1×16 | 55.0~60.7 | 4302 |
3×50 | 1×25 | 57.8~63.0 | 5131 |
3×70 | 1×35 | 64.1~70.8 | 6504 |
3×95 | 1×50 | 69.2~76.2 | 7528 |
■ Operating characteristics
1. Rated voltage U0/U:0.66/1.14kV and 1.9/3.3kV
2. Continuous operating temperature of conductor: 90℃
3. The Min. bending radius 6 times of the cable diameter.
■ Technical Property
1. D.C. resistance and insulation resistance of power core at 20℃
Nominal cross sectional area of conductor mm2 | D.C. resistance of power core conductor Ω/km | Insulation resistance of power core MΩ.km | D.C. resistance of ground wire with shield is parallel connection Ω/km | |
Rated Voltage 0.66/1.44kV | Rated Voltage 1.9/3.3kV | |||
16 | 1.24 | ≥350 | —— | ≤0.70 |
25 | 0.795 | ≥300 | —— | ≤0.60 |
35 | 0.565 | ≥260 | ≥380 | ≤0.60 |
50 | 0.393 | ≥230 | ≥350 | ≤0.50 |
70 | 0.277 | ≥210 | ≥320 | ≤0.34 |
95 | 0.210 | ≥200 | ≥280 | ≤0.2 |
2. Power core of 0.66/1.14kV cable should be undertaken work
frequency test with 3.7kV of withstand voltage test for 5 min
without breakdown.
Power core 1.9/3.3kV cable should be undertaken work frequency test
with 6.8kV of withstand voltage test for 5 min without breakdown.
3. Insulation line core undertaken insulation water absorbing test
, the increasing rate of capacitance for 1~14d≤10% ,the increasing
rate of capacitance for 7~14d≤3%.
■ Standard MT818.5-1999,GB12972.5-91,MT386
Moveable flexible cables for rated voltage up to and including 0.66/1.14kV | ||
Type | Name | Application |
MY-0.38/0.66 UY-0.38/0.66 | Moveable rubber sheathed flexible cable for coal mine | For power supply of various moveable excavators under well of rated voltage 0.38/0.66kV |
MYE-0.38/0.66 | Moveable elastomer sheathed flexible cable | For power supply of various moveable excavators under well of rated voltage 0.38/0.66kV |
MYP-0.38/0.66 UYP-0.38/0.66 | Moveable rubber sheathed flexible cable with screens | For power supply of various moveable excavators under well of rated voltage 0.38/0.66kV |
MYPE-0.38/0.66 | Moveable elastomer sheathed flexible cable with screens | For power supply of various moveable excavators under well of rated voltage 0.38/0.66kV |
MYP-0.66/1.14 UYP-0.66/1.14 | Moveable rubber sheathed flexible cable with screens | For power supply of various moveable excavators under well of rated voltage 0.66/1.14kV |
MYPE-0.66/1.14 | Moveable elastomer sheathed flexible cable with screens | For power supply of various moveable excavators under well of rated voltage 0.66/1.14kV |
■ Construction of cable
1. Power core conductor
2. Filler
3. Insulation
4. Insulation screen
5. Earthing core conductor
6. Outersheathed
■ Structure and size of cable
Number and nom. crosssection of conductors mm2 | Diameter and weight of cable | Number and nom. cross-section of conductors mm2 | Diameter and weight of cable | ||
MY-0.38/0.66 MYE-0.38/0.66 | MY-0.38/0.66 MYE-0.38/0.66 | ||||
Diameter mm | Weight kg/km | Diameter mm | Weight kg/km | ||
1×50 | 18.7~20.5 | 819 | 1×185 | 32.7~35.9 | 2504 |
1×70 | 20.9~23.0 | 1035 | 1×240 | 35.3~38.8 | 3169 |
1×95 | 24.2~26.6 | 1369 | 1×300 | 40.0~43.3 | 3936 |
1×120 | 26.4~29.0 | 1686 | 1×400 | 43.4~47.7 | 4995 |
1×150 | 30.1~33.1 | 2081 |
|
|
|
Number and nom. cross-section of conductors mm2 | Diameter and weight of cable | ||||
MY-0.38/0.66 MYE-0.38/0.66 | MYP-0.38/0.66 MYPE-0.38/0.66 | ||||
Power core | Earthing core | Diameter mm | Weight kg/km | Diameter mm | Weight kg/km |
3×4 | 1×4 | 20.9~23.0 | 677 | 22.9~25.2 | 716 |
3×6 | 1×6 | 22.9~25.1 | 809 | 24.7~27.2 | 887 |
3×10 | 1×10 | 27.8~30.6 | 1252 | 29.7~32.7 | 1307 |
3×16 | 1×10 | 30.3~33.3 | 1427 | 32.2~35.4 | |
