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Kukhazikitsa Chingwe cha ADSS

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Kukhazikitsa Chingwe cha ADSS

2024-01-08

Chingwe cha ADSS imayikidwa 10 ft mpaka 20 ft (3m mpaka 6m) pansi pa ma phase conductors. Migwirizano ya ndodo zoteteza pansi imathandizira chingwe cha fiber-optic pa kapangidwe kalikonse kothandizira. Mabungwe othandizira alengeza kuti ADSS yalephera kuyikidwa pamizere yawo yamagetsi okwera. Mphamvu yamagetsi yayikulu pamizere yotumizira imapanga kutulutsa kwa corona kosalekeza kumapeto kwa ndodo zoteteza. Kutulutsa kumeneku kumabweretsa kuwonongeka kwa chingwe. M'malo oipitsidwa, kupondaponda kwa band youma kumayambitsa kuwonongeka kwa chingwe pamene chifunga kapena mame nthawi zina zimanyowetsa chingwe. Nthawi ya moyo wa ADSS pamizere yamagetsi imadalira zinthu zotsatirazi:


Zamagetsi

Zotsatira za Corona

Kuzungulira kwa gulu louma

Mphamvu ya malo


Makina

Kutalika kwa chikhato ndi kutsika

Kupsinjika pa zingwe


Zachilengedwe

Kuthamanga kwa mphepo ndi kugwedezeka kwa Aeolian

Kapangidwe ka chigoba cha kukana kwa UV (UV kuchokera ku dzuwa)

Kuipitsa ndi kutentha


Zingwe zonse za Dielectric Self Supporting (ADSS) fiber optic zili m'malo amphamvu kwambiri amagetsi. Chigoba chawo chimatha kuphwanyidwa ndi band youma komanso korona makamaka m'malo oipitsidwa kwambiri omwe mvula imakhala yochepa komwe nthawi zambiri kumakhala mvula yambiri pa chingwecho ndipo sichimatsukidwa kawirikawiri ndi madzi achilengedwe amvula.

Kuzungulira kwa korona kapena dry-band kumaboola chingwe cha chingwe chomwe chimalola madzi kulowa mkati zomwe zimapangitsa kuti ulusi wa aramide uwonongeke ndikuwulula machubu a PBT omwe ali ndi ulusi wa kuwala. Pazochitika zoopsa kwambiri, kuchepa kwakukulu kwa mphamvu ya makina kungayambitsenso kugwetsa chingwe.

chingwe-cha-fiber-optic-HVL-configuation.png

Zotsatira za Corona


Kutuluka kwa corona kumayembekezeredwa m'malo omwe ali ndi magetsi ambiri am'deralo chifukwa cha m'mbali zakuthwa, mwachitsanzo, kumapeto kwa magulu a zida zankhondo za oyendetsa ma transmission lines. Magulu a zida zankhondo amalumikizidwa ku ma transmission line, ma cable othandizira, amapereka mphamvu yamakina yowateteza kuti asapindike komanso kuponda ma cable. Kutengera ndi malo a chingwe poyerekeza ndi ma conductor amagetsi amphamvu, magetsi a conductor ndi kuipitsa pamwamba pa chingwe kungayambitse magetsi kuyenda motsatira chingwe. Izi zimapangitsa kuti corona, micro-sparking ndi dry band arcing ziyambe kuyenda, makamaka pafupi ndi nsanja komwe e-field ndi yayikulu kwambiri. Njira zotulutsira pang'ono m'deralo zimaphatikizapo kutulutsa kwa UV ndi kupanga ozone ndi ma acid ena, ma reagents omwe amawononga ma galvanized conductors ndi ADSS sheath.


Kuzungulira kwa gulu louma


Ngakhale kuti zingwe za ADSS sizimayendetsa magetsi, kuipitsidwa komwe kumasonkhana pa chidebe chawo chakunja kumatha kuzipangitsa kukhala zoyendetsa magetsi. Pamene chidebe cha kuipitsidwa chinyowa mofanana chimakhala choyendetsa magetsi pang'ono. Nthawi zambiri ADSS yolephera imachitika m'malo oipitsidwa kwambiri kapena m'madera a m'mphepete mwa nyanja. Mphepo yochokera kunyanja imayendetsa madontho a madzi amchere pamwamba pa chingwe cha fiber-optic, ndikuphimba chingwecho ndi mchere wochepa. Chifunga kapena mame zimanyowetsa chidebe cha kuipitsidwa ndikupanga chidebe cha conductive pamwamba pa chingwe. Kuphatikizana kwa capacitive pakati pa ma phase conductors ndi chingwe cha fiber-optic kumayambitsa magetsi pamzere wonyowa. Mphamvu iyi imaumitsa chidebecho ndikupanga mikanda yaying'ono youma. Mzere wouma umasokoneza magetsi ndikupanga magetsi ambiri pamzere wonyowa. Voliyumu iyi imapanga mikanda. Kutentha kwa arc kumawonjezera kutalika kwa mzere wouma, komwe kumaletsa kupingasa. Komabe, kuzizira ndi madzi amchere oyendetsedwa ndi mphepo ochokera kunyanja kumanyowetsa chingwecho ndikuyambitsanso kupingasa. Kupingasa kwa mzere wouma ndi chinthu chomwe chimachitika nthawi ndi nthawi pamene chingwecho chimakhala chonyowa komanso choipitsidwa.


Kuipitsidwa ndi chinyezi zikachuluka, mphamvu yamagetsi yomwe imabwera chifukwa cha kutentha imakwera kwambiri motero, m'madera otentha, kuuma kwa mipiringidzo komanso korona zimakhala zovulaza kwambiri chifukwa cha nyengo yeniyeni: nthawi youma ya miyezi isanu ndi itatu mpaka isanu ndi inayi kenako nthawi yamvula yochepa m'nyengo yozizira. Chingwe chomwe chimayipitsa pamwamba pa chingwe pambuyo pa nthawi youma chimakhala cholimba komanso chomatira, ndipo chimakhala chokhuthala kwambiri m'madera omwe ali pafupi ndi ma clamps zomwe zimapangitsa kuti pakhale vuto lalikulu la korona.


Mabungwe amagetsi ayenera kuyang'ana njira zoyesera zowunikira zingwe za ADSS fiber optic zomwe zayikidwa pamizere yamagetsi ya pamwamba. Mabungwe monga IEEE, WAPA, EPRI, BPA, Washington State University ndi ena akupitilizabe kuphunzira nkhaniyi.

Lumikizanani nafe, Pezani Zogulitsa Zabwino ndi Utumiki Wabwino.

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