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Non-contact Measuring Methods of Transient Conduction Disturbances in Mine
Author(s): 
Pages: 351-354
Year: Issue:  4
Journal: Acta Metrologica Sinica

Keyword:  计量学非接触测量数据拟合矿井瞬态骚扰;
Abstract: 以瞬态脉冲电流作为短偶极子的激励源,运用电磁场理论建立短偶极子的瞬态辐射发射模型,确定短偶极子瞬态辐射场与其流过的脉冲电流密切相关,并通过地面实验建立直接接触测量值和非接触测量值之间的转换模型,提出井下瞬态传导骚扰的非接触测量方法.井下实验研究表明:非接触测量方法可以及时捕获开关操作瞬间电力电缆瞬态辐射的时域波形;距离电缆1 cm处脉冲电流辐射的电场强度最高可达到4V/m,对井下电磁环境影响较大.
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