flame retardant mobile flexible cable with rated voltage of 0.66/1.14kv or lower for coal mine application
http://www.ahdqjt.com time: 11/04/10 14:56
application:
the product is copper core flexible cable with a.c. rated voltage of 0.66/1.14 or lower for core mine moving equipment purpose.
executive standard:
flame retardant mobile flexible cable for coal mine application part 1 general regulation.
flame retardant mobile soft cable for coal mine application part 5 mobile flexible cable with rated voltage of 0.66/1.14 kv or lower.
test methods and judging rules of flame retardant performance of flame retardant cable for the coal mine application.
type & description
type |
description |
application |
my-0.38/0.66kv |
mobile rubber jacketed flexible cable for coal mine application |
the cable is used to connect power supply of all kinds of mobile mining equipment under well with rated voltage of 0.38/0.66kv |
mye-0.38/0.66kv |
mobile elastomer flexible cable for coal mine application |
|
myp-0.38/0.66kv |
mobile shielding rubber jacketed flexible cable for coal mine application |
|
mype-0.38/0.66kv |
mobile shielding elastomer flexible cable for coal mine application |
|
myp-0.66/1.14kv |
mobile shielding rubber jacketed flexible cable for coal mine application |
the cable is used to connect power supply of all kinds of mobile mining equipment under well with rated voltage of 0.66/1.14kv |
mype-0.66/1.14kv |
mobile shielding elastomer flexible cable for coal mine application |
main technical parameter:
- conductor dc resistance at 20℃
resistance of each core conductor shall meet the requirements of class 5 conductor (multi-stranded flexible structure) stipulated in gb/t3956 standard at 20℃
- insulated resistance at 20℃
insulated volume resistance ratio of elastomer insulated power core is at least more than 1.0*1013ω.cm; insulated resistance of rubber insulation power core shall meet the requirements stipulated in the following table.
nominal cross section area of power core (mm2) |
insulated resistance at 20℃(mω.km) |
nominal cross section area of power core(mm2) |
insulated resistance at 20℃(mω.km) |
4 |
≥200 |
95 |
≥80 |
6 |
≥180 |
120 |
≥50 |
10 |
≥160 |
150 |
|
16 |
≥120 |
185 |
|
25 |
≥120 |
240 |
|
35 |
≥100 |
300 |
|
50 |
≥100 |
400 |
|
70 |
≥80 |
|
|
- a.c. voltage test
insulated power core of cable shall endure following a.c. voltage test without puncture.
rated voltageu0/u (kv) |
test voltage (effective value) (kv) |
time for giving pressure (min) |
0.38/0.66 |
3.0 |
5 |
0.66/1.14 |
3.7 |
4. flame retardant performance of finished cable can meet all kinds of test requirements stipulated in mt386 standard.
：cables
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