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AS 1222.2 Aluminium Clad Steel Conductor SC / AC Messenger Cable
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Daim ntawv thov
Galvanized steel hlau strands suav nrog Aluminium Clad Steel Conductor SC / AC feem ntau yog ua haujlwm nyob rau hauv cov khoom siv hluav taws xob los txhawb cov khoom siv kho tshuab.
Tsis tas li ntawd, nws yog siv hauv Guy Wire, Overhead Ground lossis Static Wire, thiab Messenger Wire.
Yam ntxwv
Qhov tsawg kawg nkaus radial thickness ntawm 5% ntawm tag nrho cov hlau txoj kab uas hla yog siv rau txhuas cladding ntawm hlau uas muaj cov txheej no.Nws cov conductivity yog 20.3% IACS thiab nws cov UTS thaj tsam ntawm 1.27 mus rau 1.34GPa.In piv rau cov conductors ua nrog galvanized steel, cov uas siv txhuas-clad steel raws li qhov cuab lub zog muaj qis hluav taws xob tsis kam thiab muaj zog corrosion kuj.
Ntim
Kev xa khoom ntev yog txiav txim siab los ntawm kev txiav txim siab ntawm cov khoom xws li lub cev nruas qhov ntev, nruas qhov hnyav, qhov ntev thiab cov khoom siv tuav.
Kev tsim kho
Galvanized steel hlau yog stranded concentrically, nrog rau txheej txheej sab xis yog muab tso rau sab xis thiab cov txheej tom ntej muaj qhov sib txawv ntawm nteg.
Tus neeg xyuas pib tuaj yeem suav nrog lub hauv paus loj dua (xov tooj cua) yog tias tsim nyog.Txoj kab uas hla no feem ntau yog 5% loj dua li cov xov hlau nyob ze thiab yog raws li kev txhawj xeeb ntawm tus neeg xyuas pib tsim.
Specifications
-AS 1222.2 Standard Aluminium Clad Steel Standard
AS/NZS 1222.2 Standard Aluminium Clad Steel Conductor SC/AC Lub Cev, Mechanical thiab Electrical Performance Parameters
| No./Dia.of Stranding Wires | Nominal Zuag qhia tag nrho txoj kab uas hla | Cross Section Area | Nominal Linear Mass
| Rhuav Load | Modulus ntawm Elasticity | Coefficient ntawm Linear Expansion | DCResistance | Lub peev xwm nqa tam sim no tsis tu ncua (A) | ||||||
| ntawm 20 ° C | ntawm 75 ° C | hmo ntuj nyob rau lub caij ntuj no | thaum tav su hauv lub caij ntuj sov | |||||||||||
| No./mm | mm | mm2 | kg/km | kN | GPa | x 10–6 /°C | Ω/km | Ω/km | hauv huab cua | cua | cua | hauv huab cua | cua | cua |
| 3/2.75 Nws | 5.9 | 17.82 Nws | 118 | 22.7 ib | 159 | 12.9 ib | 4.80 ib | 5.75 ib | 48 | 83 | 97 | 38 | 76 | 90 |
| 3/3.00 Nws | 6.5 | 21.21 Nws | 141 | 27.0 Nws | 159 | 12.9 ib | 4.02 ib | 4.82 ib | 54 | 93 | 108 | 42 | 84 | 100 |
| 3/3.25 Nws | 7.0 ib | 24.89 Nws | 165 | 31.6 ib | 159 | 12.9 ib | 3.42 ib | 4.10 | 60 | 103 | 120 | 47 | 93 | 110 |
| 3/3.75 Nws | 8.1 | 33.12 Nws | 220 | 39.3 ib | 159 | 12.9 ib | 2.58 ib | 3.09 Nws | 72 | 123 | 143 | 56 | 111 | 131 |
| 7/2.75 Nws | 8.3 | 41.58 Nws | 277 | 50.1 ib | 157 | 12.9 ib | 2.06 Nws | 2.47 ib | 81 | 138 | 161 | 63 | 124 | 148 |
| 7/3.00 Nws | 9.0 ib | 49.48 ib | 330 | 59.7 ib | 157 | 12.9 ib | 1.73 ib | 2.07 Nws | 91 | 154 | 179 | 70 | 138 | 164 |
| 7/3.25 Nws | 9.8 ib | 58.07 ib | 387 ib | 69.9 ua | 157 | 12.9 ib | 1.47 ib | 1.76 ib | 102 | 170 | 198 | 77 | 153 | 181 |
| 7/3.75 Nws | 11.3 | 77.28 ib | 515 | 86.9 ua | 157 | 12.9 ib | 1.11 | 1.33 | 123 | 204 | 237 | 92 | 181 | 215 |
| 7/4.25 Nws | 12.8 ib | 99.33 ib | 662 ib | 105 | 157 | 12.9 ib | 0.864 ib | 1.04 ib | 145 | 238 | 277 | 107 | 211 | 251 |
| 19.2.75 Nws | 13.8 ib | 112.9 ib | 755 ib | 136 | 155 | 12.9 ib | 0.764 ib | 0.915 ib | 158 | 259 | 300 | 116 | 228 | 272 |
| 19.00 Nws | 15.0 Nws | 134.3 ib | 899 ua | 162 | 155 | 12.9 ib | 0.642 ib | 0.769 ib | 178 | 288 | 335 | 129 | 54 | 302 |
| 19.3.25 Nws | 16.3 | 157.6 ib | 1060 | 189 | 155 | 12.9 ib | 0.545 ib | 0.653 ib | 200 | 320 | ib 371 | 142 | 280 | 334 ib |
| 19.3.75 Nws | 18.8 ib | 209.8 ib | 1410 | 236 | 155 | 12.9 ib | 0.411 ib | 0.492 ib | 244 | 382 ib | 443 ib | 172 | 333 | 397 ib |
| 19.4.25 | 21.3 | 269.6 ib | 1800 | 286 | 155 | 12.9 ib | 0.320 ib | 0.383 ib | 291 ib | 448 ib | 519 ib | 203 | 387 ib | 462 ib |
Nco tseg
Cov yam ntxwv ntawm kev ua tau zoo ntawm hluav taws xob tau qhia saum toj no tsis suav cov teebmeem sib nqus rau hauv kev xav thiab yog li ntawd tsuas yog kwv yees.
Kev ntsuas tam sim no yog nyob ntawm cov xwm txheej hauv qab no:
• Tus neeg xyuas pib kub nce siab tshaj ambient ntawm 40 ° C
• Ambient huab cua temp.ntawm 35 ° C rau lub caij ntuj sov tav su lossis 10 ° C rau lub caij ntuj no hmo ntuj
• Lub hnub ci hluav taws xob ncaj qha ntawm 1000 W / m2 rau lub caij ntuj sov tav su lossis xoom rau lub caij ntuj no hmo ntuj
•Diffuse solar radiation siv ntawm 100 W / m2 rau lub caij ntuj sov tav su lossis xoom rau lub caij ntuj no hmo ntuj
• av reflectance ntawm 0.2
•Emissivity thiab solar absorption coefficient ntawm tus neeg xyuas pib nto, 0.5
