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电线电缆质量检测的6个重要指标,你知道吗?

返回列表来源:湘江电缆发布日期 2016-03-27 09:02浏览:- 加入收藏

对质检部门来说,检测电线电缆是否合格可能需要检测二十几个项目,而对一根线缆而言,以下6个重要的测量项目,对判定其质量的好坏起着关键的衡量作用。

湘江电缆电线电缆质量检测

1、导线直流电阻的测量:

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2、绝缘电阻的测试:

绝缘电阻式反映电线电缆产品绝缘特性的重要指标,它与该产品的耐电强度,介质损耗,以及绝缘材料在工作状态下的逐渐劣化等均有密切的关系。

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3、电容及损耗因数的测量:

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火狐体育app官网 ZAIHUOHUTIYUappGUANWANGDIANCHANGZHONG,DIANLANZHONGDEJUEYUANTIYOUYUXIELUDIANLIUHEGEZHONGJIHUACUNZAI,HUIXINGCHENGJIEZHISUNHAO,YIJIEZHISUNHAOYINSHUHUOSUNHAOJIAOZHENGQIEZHI(TANδ)LAIBIAOSHI,TABUDANLANGFEIDIANNENG,ERQIEHUISHIJIEZHI(JUEYUANTI)FARE,JIASUJUEYUANLAOHUA,YINCITANδYESHIDIANLANZHUYAOCANSHUZHIYI。

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4、绝缘强度试验:

电线电缆火狐体育app官网的绝缘强度是指绝缘结构和绝缘材料承受电场作用而不发生击穿破坏的能力,为了检查电线电缆产品质量,保证产品能安全运行,所有绝缘类型的电线电缆一般都要进行绝缘强度试验。

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5、局部放电测量:

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6、老化及稳定性试验:

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热稳定试验:热稳定性试验是电线电缆通过电流加热的同时还承受一定的电压,在经历一定周期加热之后,测定某些敏感的性能参数来评定绝缘的稳定性。绝缘稳定性试验分为长期的稳定性试验或短期的加速老化试验两种。

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