| 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 |
1、電纜導(dǎo)體直流電阻及固有衰減 DC resistance of the conductor and Intrinsic attenuation
| 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 |
2、電纜其它主要技術(shù)性能 Other major technical perbances
( MHYV、MHJYV、MHYBV MHYAV、MHYA32)
| 序號(hào) Serial number |
項(xiàng)目 Items |
技術(shù)性能 Technical perbances |
| 1 |
+20℃線芯直流電阻(≤Ω/Km) Line core DC resistance at 20℃ |
見上表 See above table |
| 2 |
電纜固有衰減(≤dB/Km) Cable intrinsic attenuation |
見上表 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 Conbs to GB/T18380 standard B kind becomes ties the burning test |
