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Lub luag haujlwm ntawm High-voltage Hlau Shielding Txheej

Feb 16, 2022

Lub tsheb fais fab siab -voltage cables tiv taus qhov hluav taws xob ntau dua (rated voltage txog 600V), tam sim no loj dua (rated tam sim no txog 600A), thiab muaj zog hluav taws xob hluav taws xob hluav taws xob. Txawm hais tias qhov siab -voltage hlau nws tus kheej tsis tsim hluav taws xob loj cuam tshuam, qhov sib txuas hluav taws xob thiab txuas tam sim no ntawm cov xaim pib los ntawm lub davhlau ya nyob twg txuas los ntawm cov xaim, uas yog, siab - cov khoom siv hluav taws xob voltage .


Electromagnetic cuam tshuam yog concentrated ntawm ob kawg ntawm cov hlau, uas yog, qhov twg lub davhlau ya nyob twg yog crimped. Yog li ntawd, feem ntau ntawm cov tam sim no siab -voltage xov hlau yog tsim los nrog shielding lug tiv thaiv electromagnetic cuam tshuam, siv ib tug coaxial qauv, siv kev sib koom tes ntawm tus neeg xyuas pib sab hauv thiab cov neeg xyuas pib (shielding txheej), lub magnetic teb nyob rau hauv lub hlau yog faib nyob rau hauv concentric voj voog, thiab hluav taws xob teb yog faib los ntawm lub puab conductor taw tes rau thiab xaus ntawm tus neeg xyuas pib txheej, yog li ntawd lub sab nraud electromagnetic teb nyob ib ncig ntawm lub cable yog xoom, uas shields lub electromagnetic hluav taws xob thiab tshem tawm cov coupling voltage thiab coupling. tam sim no hauv cheeb tsam no.


In the electromagnetic compatibility (EMC) test of the whole vehicle, the high-voltage wiring harness parts need to meet the requirements of ISO 14572, the transfer impedance is less than or equal to 31mΩ/m, and the shielding attenuation is greater than or equal to 70dB, which meets the EMC requirements of the vehicle.

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