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电缆绝缘层厚度不合格对电缆安全使用影响呢?

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电缆绝缘层厚度不合格对电缆安全使用影响呢?

发布日期:2019-07-04 作者:电缆厂 点击:

电力电缆绝缘层厚度不合格会有哪些影响呢?


在很多国网通报供应商的公告上,我们经常能看到缆企的这么一条通报:生产的电力电缆绝缘层厚度不合格。那具体绝缘层的厚度不合格对电缆有何影响呢?

DIANLANJUEYUANCENGHOUDUBUHEGEHUIYOUNAXIEYINGXIANGNI?

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如果电缆在生产中护套厚度低于标准要求则为不合格,厚度超出标准要求也是不合格的。例如:电缆型号为DLD-KYJV22 3*1.5mm2,经测得护套厚度平均厚度1.7mm,此种型号如参照GB9330-88标准要求,厚度应为1.2mm。如何控制电缆护套厚度呢?

1)ANBIAOZHUNJISUANKONGZHIHUTAOHOUDU,JISUANGONGSHI:D(JIQIANWAIJING)×0.035+1;2)ZAIXIANCELIANGHUTAOHOUDU:HUTAOHOUDU=(JIHUTAOHOUDEZHOUZHANG—JIHUTAOQIANDEZHOUZHANG)/2πHUOHUTAOHOUDU=(JIHUTAOHOUDEZHOUZHANG—JIHUTAOQIANDEZHOUZHANG)×0.1592;3)DANXINHUTAOZUIBODIAN:BIAOCHENGZHI×85%-0.1;

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