High voltage cables thiab low voltage cables muaj cov qauv sib txawv, cuam tshuam rau lawv cov kev ua tau zoo thiab kev siv. Sab hauv muaj pes tsawg leeg ntawm cov cables no qhia txog qhov tsis sib xws tseem ceeb:
High Voltage Cable Structure:
1. Tus coj
2. Sab hauv Semiconducting Txheej
3. Txheej txheej rwb thaiv tsev
4. Txheej txheej semiconducting
5. Hlau Armor
6. Sheath Txheej
Tsawg Voltage Cable Structure:
1. Tus coj
2. Rwb thaiv tsev txheej
3. Hlau daim kab xev (Tsis muaj nyob rau hauv ntau yam tsawg voltage cables)
4. Sheath Txheej
Thawj qhov tsis sib xws ntawm high voltage thiab low voltage cables nyob rau hauv lub xub ntiag ntawm ib tug semiconducting txheej thiab ib tug shielding txheej nyob rau hauv high voltage cables. Yog li ntawd, high voltage cables yuav tsum muaj thicker rwb thaiv tsev khaubncaws sab nraud povtseg, uas ua rau ib tug complex qauv thiab xav tau kev tsim cov txheej txheem.
Semiconducting Txheej:
Sab hauv semiconducting txheej ua haujlwm los txhim kho cov nyhuv hluav taws xob. Nyob rau hauv high voltage cables, qhov sib thooj ntawm tus neeg xyuas pib thiab cov txheej txheem rwb thaiv tsev tuaj yeem tsim qhov khoob, ua rau qee qhov paug tawm uas ua rau cov rwb thaiv tsev puas. Yuav kom txo tau qhov no, ib txheej semiconducting ua raws li kev hloov ntawm cov hlau conductor thiab rwb thaiv tsev txheej. Ib yam li ntawd, txheej txheej semiconducting sab nraud tiv thaiv kev tso tawm hauv cheeb tsam ntawm cov txheej rwb thaiv tsev thiab cov hlau sheath.
Shielding Txheej:
Hlau thaiv txheej hauv high voltage cables pab peb lub hom phiaj tseem ceeb:
1. Hluav taws xob tiv thaiv hluav taws xob: Tiv thaiv kev cuam tshuam sab nraud los ntawm kev tiv thaiv hluav taws xob hluav taws xob tsim nyob rau hauv cov hluav taws xob hluav taws xob siab.
2. Kev ua ntawm Capacitive Tam sim no thaum ua haujlwm: Ua raws li txoj hauv kev rau cov dej ntws tam sim no thaum lub sijhawm ua haujlwm cable.
3. Short Circuit Current Pathway: Nyob rau hauv qhov kev tshwm sim ntawm rwb thaiv tsev tsis ua hauj lwm, lub shielding txheej muab ib txoj kev rau cov dej ntws mus rau hauv av, txhim khu kev ruaj ntseg.
Qhov txawv ntawm High Voltage thiab Low Voltage Cables:
1. Kev kuaj xyuas tus qauv: Cov kab hluav taws xob siab muaj ntau txheej txheej, pom tseeb thaum tev rov qab txheej txheej sab nraud kom pom cov hlau armor, tiv thaiv, rwb thaiv tsev, thiab cov neeg xyuas pib. Hauv qhov sib piv, cov kab hluav taws xob tsawg feem ntau nthuav tawm cov rwb thaiv tsev lossis cov neeg xyuas pib thaum tshem tawm cov txheej txheej sab nraud.
2. Rwb thaiv tsev Thickness: High voltage cable rwb thaiv tsev yog notably thicker, feem ntau tshaj 5 millimeters, thaum uas tsis muaj voltage cable rwb thaiv tsev yog feem ntau nyob rau hauv 3 millimeters.
3. Cable Markings: Cov txheej txheej sab nraud ntawm cov kab hluav taws xob feem ntau muaj cov cim qhia txog hom kab hluav taws xob, thaj chaw hla ntu, ntsuas qhov ntsuas hluav taws xob, qhov ntev, thiab lwm yam tsis raug.
Kev nkag siab txog cov qauv thiab kev ua haujlwm tsis sib xws yog qhov tseem ceeb rau kev xaiv cov kab tsim nyog rau cov ntawv thov tshwj xeeb, ua kom pom kev ua haujlwm zoo thiab kev nyab xeeb.
Post lub sij hawm: Jan-27-2024