型號(hào)
Model |
名稱
Descriptions |
使用范圍
Use scope |
MHYV
|
聚乙烯絕緣聚氯乙烯護(hù)套礦用通信電纜PE insulated PVC sheathed communication cables for coal mines
|
用于平巷、斜巷及機(jī)電硐室
Served in level,slanted channels and power house |
MHJYV
|
加強(qiáng)型線芯聚乙烯絕緣聚氯乙烯護(hù)套礦用通信電纜Reinforced core PE insulated PVC sheathed communication cables for coal mines
|
用于機(jī)械損傷較高的平巷和斜巷
Served in level and slanted channels where mechanical damage is frequent |
MHYBV
|
聚乙烯絕緣鍍鋅鋼絲編織鎧裝聚氯乙烯護(hù)套礦用通信電纜PE insulated galvanized steel wire weave armored PVC sheathed communication cables for coal mines
|
用于機(jī)械沖擊較高的平巷和斜巷
Served in level and slanted channels where mechanical damage is frequent |
MHYAV
|
聚乙烯絕緣鋁-聚乙烯粘護(hù)層聚氯乙烯護(hù)套礦用通信電纜PE insulated Al/PE binding layer PVC sheathed communication cables for coal mines
|
用于較潮濕的斜井和平巷
Served in level and slanted channels with high humidity |
MHYA32
|
聚乙烯絕緣鋁-聚乙烯粘結(jié)護(hù)層鋼絲鎧裝聚氯乙烯護(hù)套礦用通信電纜PE insulated Al/PE binding layer steel wire armored PVC sheathed communication cables for coal mines
|
用于豎井或斜井
Served in shaft and slanted shaft |
電纜長(zhǎng)期允許工作溫度 Long-term service temperature of the cable conductor
|
-40℃-+50℃
|
電纜敷設(shè)溫度 Cable laying temperature
|
≥-10℃
|
+25℃時(shí)環(huán)境相對(duì)濕度
Environment relative humidity at 25℃ |
≤95%
|
電纜的最小彎曲半徑 Minimun bending radius
|
MHYV及MHJYV型電纜為電纜外徑的10倍,其它型號(hào)為外徑的15倍 10 times of the cable outer diameter of MHJYV, and 15times for the rest
|
型號(hào)
Model |
規(guī)格
Specifications |
導(dǎo)體結(jié)構(gòu)(根/直徑)mm
Conductor structure(number/diameter) |
MHYV
|
1x2、2x2、1x4、5x2
|
7/0.28
|
MHJYV
|
1x2、2x2
|
4/0.28銅線+3/0.28鋼線 4/0.28
copper wire +3/0.28 steel wire |
MHYBV
|
5x2、10x2、20x2
|
1/0.8
|
MHYAV
|
20x2、30x2、50x2
|
|
MHYA32
|
30x2、50x2、80x2
|
型號(hào)
Model |
20℃時(shí)導(dǎo)體直流電阻
DC resistance of conductor at 20℃ ≤Ω ( , /km) |
固有衰減(800Hz)
Intrinsic attenuation ≤( ,dB/km) |
MHYV
|
45
|
1.10
|
MHJYV
|
73
|
1.30
|
MHYBV MHYAV MHYA32
|
36.7
|
0.95
|
序號(hào)
Serial number |
項(xiàng)目
Items |
技術(shù)性能
Technical performances |
1
|
+20℃線芯直流電阻(≤Ω/Km)
Line core DC resistance at 20℃ |
見(jiàn)上表 See above table
|
2
|
電纜固有衰減(≤dB/Km)
Cable intrinsic attenuation |
見(jiàn)上表 See above table
|
3
|
+20℃絕緣電阻(≥MΩ Km) Insulating resistance at 20℃
|
3000
|
4
|
lmin工頻交流電壓試驗(yàn)
lmin power frequency alternating current pressure test |
1500V不擊穿(50Hz)
1500V Does not penetrate |
5
|
遠(yuǎn)端串音衰減(≥dB/500)
Far-end crosstalk attenuation |
70(800Hz)
|
6
|
電感(≤μH/Km)
Inductance |
800(800Hz)
|
7
|
電纜工作電容(≤μF/Km)
Cable service capacity |
0.06(800Hz)
|
8
|
工作對(duì)直流電阻差(≤%環(huán)阻)
DC resistance difference |
2
|
9
|
單根垂直燃燒試驗(yàn)
Combustion for single cable test |
MT386
|
10
|
成束燃燒試驗(yàn)
Combustion for bunched cable test |
符合GB/T18380標(biāo)準(zhǔn)中B類成束燃燒試驗(yàn)要求
Conforms to GB/T18380 standard B kind becomes ties the burning test |