ʻO ke kaula āpau-dielectric self-supporting (ADSS) kahi ʻano o ke kaula fiber optical i lawa ka ikaika e kākoʻo iā ia iho ma waena o nā hale me ka hoʻohana ʻole ʻana i nā mea metala conductive.Hoʻohana ʻia ia e nā ʻoihana pono uila ma ke ʻano he kamaʻilio kamaʻilio, i hoʻokomo ʻia ma nā laina hoʻouna ma luna o luna a kaʻana pinepine i nā hale kākoʻo like me nā conductors uila.
I ka honua o ke kelepona, ka hoʻohana ʻana oNā uwea All-Dielectric Self-Supporting (ADSS).ua lilo i mea kaulana ma muli o ko lākou versatility a me ka lōʻihi.Eia naʻe, hiki i ka hoʻolālā ʻana a me ka hana ʻana i ke kaula ADSS kūpono ke hana paʻakikī a paʻakikī.
ʻO ka hoʻolālā kūkulu nui loa
I mea e hoʻolālā pono ai i ke ʻano o ke kaula ADSS, pono e noʻonoʻo ʻia nā ʻano he nui. Me ka ikaika mechanical, conductor sag, A wind speed b ice thickness c temperature d topography, Span, Voltage.
ʻO ka maʻamau, i ka wā e hana ai ʻoe, pono ʻoe e noʻonoʻo i nā nīnau aʻe.
ʻAno Kāleka: AT/PE
Puʻu PE: puʻu polyethylene maʻamau.No ka mana laina ma lalo o 110KV, a ≤12KV uila kahua ikaika.Pono e hoʻokuʻu ʻia ke kaula i kahi wahi liʻiliʻi ka ikaika o ke kahua uila.
AT sheath: puʻu anti-tracking sheath.No nā laina mana ma luna o 110KV, ≤20KV ikaika kahua uila.Pono e hoʻokuʻu ʻia ke kaula i kahi wahi liʻiliʻi ka ikaika o ke kahua uila.
ʻO ka ʻaʻahu ʻokoʻa: 8mm-12mm ka lole hoʻokahi; 12.5mm-18mm ka lole pālua.
Helu Uila:4-144Fibers
Aramid Yarn Details:Kekahi mea e like me (20*K49 3000D)Keia helu nui o ka ikaika tensile.
E like me ke kumu hoʻoikaika koʻikoʻi, S=Nmax/E*ε,
E (Tensile modulus)=112.4 GPa（K49 1140Dinner）
ε=0.8%
Hoʻolālā ʻia maʻamau<1%（Tube Stranded）UTS;
≤0.8%，ka loiloi
Nmax=W*(L2/8f+f);
L=span(m);maʻa mau 100m,150m,200m,300m,500m,600m;
f=Ka uwea sag; maʻa mau 12m a i ʻole 16m.
Nmax=W*(L2/8f+f)=0.7*（500*500/8*12+12）=1.83KN
S=Nmax/E*ε=1.83/114*0.008=2 mm²
Saramid(K49 2840D)=3160*10-4/1.45=0.2179mm²
N helu aramid yarn=S/s=2/0.2179=9.2
ʻO ka 550mm-650mm ka laulā aramid fiber hinge pitch, ke kihi = 10-12 °
W=Ka haawe kiʻekiʻe loa (kg/m)=W1+W2+W3=0.2+0+0.5=0.7kg/m
W1=0.15kg/m(ʻO kēia ke kaumaha o ke kaula ADSS)
W2=ρ*[(D+2d)²-D²]*0.7854/1000(kg/m) (ʻO kēia ke kaumaha o ka ICE)
ρ=0.9g/cm³, ka mānoanoa o ka hau.
D=Ka anawaena o ADSS.ʻO ka maʻamau 8mm-18mm
d=Ka mānoanoa o ka uhi hau;ʻAʻohe hau=0mm,Ka hau māmā=5mm,10mm;Ka hau kaumaha=15mm,20mm,30mm;
E ʻōlelo kākou he 0mm ka mānoanoa o ka hau, W2=0
W3=Wx=α*Wp*D*L=α*（V²/1600）*(D+2d)*L/9.8 (kg/m)
E ʻōlelo kākou he 25m/s ka māmā holo makani, α=0.85;D=15mm;W3=0.5kg/m
Wp=V²/1600 （Pūmi ʻāpana hapa maʻamau, V ʻo ia ka wikiwiki o ka makani）
α= 1.0(v＜20m/s);0.85(20-29m/s);0.75(30-34m/s);0.7(>35m/s);
ʻO α ke ʻano o ka Coefficient o ka like ʻole o ke kaomi makani.
Papa |hanana |m/s
1 Hiki i ka uahi ke kuhikuhi i ka makani.0.3 a 1.5
2 He makani ka maka o ke kanaka a neʻe iki ka lau.1.6 a 3.3
3 Haʻalulu nā lau a me ka micro-techniques a ke wehe nei ka hae.3.4~5.4
4 Hiki ke puhi ʻia ka lepo a me ka pepa, a haʻalulu nā lālā o ka lāʻau.5.5 a 7.9
5 ʻOli ka lāʻau liʻiliʻi lau, a he mau nalu ma ka wai o uka.8.0 a i 10.7
6 Haalulu na lala nui, kani na uwea, paakiki ka hapai ana i ka malu.10.8~13.8
7 Naueue ka laau a pau, a he mea pono ole ke hele i ka makani.13.9~17.l
8 Ua haki ʻia ka lālā liʻiliʻi, a manaʻo nui ka poʻe i ke kūʻē i ka neʻe ʻana i mua.17.2~20.7
9 Ua poino ka hale mauu a ua haki na lala.20.8 a 24.4
10 Hiki ke puhi ʻia nā lāʻau i lalo, a luku ʻia nā hale ākea.24.5 a 28.4
11 Kakaʻikahi ma ka ʻāina, hiki ke puhi ʻia nā lāʻau nui i lalo, a ua pōʻino loa nā hale ākea.28.5~32.6
12 He kakaikahi wale no ma ka aina, a ua nui kona mana luku.32.7~36.9
RTS: Ua helu ʻia ka ikaika tensile
E pili ana i ka waiwai i helu ʻia o ka ikaika o ka ʻāpana hili (ka helu nui ʻana i ka fiber wili).
UTS: ʻO ka ikaika ʻoi loa UES>60% RTS
I ke ola maikaʻi o ke kaula, hiki ke hoʻonui i ka hoʻolālā hoʻolālā i ka wā o ke kaula e ka nui o ka tension.
MAT: ʻAe ʻia ka haʻahaʻa hana 40% RTS
He kumu koʻikoʻi ka MAT no ka helu sag - tension - span, a he mea hōʻike nui hoʻi e hōʻike i nā hiʻohiʻona stress-strain o ADSS optical cable.
Ma lalo o kēia hoʻopaʻapaʻa, ʻaʻole ʻoi aku ka nui o ka fiber ma mua o 0.05% (laminated) a ʻaʻole ʻoi aku ma mua o 0.1% (pipu waena) me ka ʻole o ka attenuation hou.
EDS: Ka ikaika o kēlā me kēia lā （16~25）% RTS
ʻO ke koʻikoʻi awelika makahiki i kekahi manawa i kapa ʻia ʻo ke koʻikoʻi o kēlā me kēia lā, e pili ana i ka makani a ʻaʻohe hau a me ka mahana awelika makahiki, ka helu theoretical o ka haʻahaʻa uea haʻahaʻa, hiki ke noʻonoʻo ʻia e like me ka ADSS i ka hana lōʻihi o ka awelika. (pono) hooikaika.
ʻO ka EDS maʻamau (16~25) %RTS.
Ma lalo o kēia hoʻopaʻapaʻa, ʻaʻohe pilikia o ka fiber, ʻaʻohe attenuation hou, ʻo ia hoʻi, paʻa loa.
ʻO EDS nō hoʻi ke ʻano ʻelemakule luhi o ke kelepona fiber optic, e like me ka hoʻoholo ʻana i ka hoʻolālā anti-vibration o ke kelepona fiber optic.
ʻO ka hōʻuluʻulu manaʻo, ʻo ka hoʻolālā ʻana a me ka hana ʻana i ke kaula ADSS kūpono e pono ai ka ʻike pono ʻana i nā koi o ka papahana, ke koho ʻana i nā mea kiʻekiʻe kiʻekiʻe, a me ka hoʻokō ʻana i nā ana hoʻomalu maikaʻi.Me kēia mau noʻonoʻo i ka noʻonoʻo, hiki i nā mea lawelawe kelepona ke kau me ka hilinaʻi i nā uwea ADSS e kū ana i nā koi o nā pono hoʻohui i kēia mau lā.