汽车起重机电路系统电磁骚扰源特征参数研究
Research on the Characteristic Parameters of the Conducted
Disturbance Sources in the Electric Circuit System of the Truck Crane
摘要 针对汽车起重机中起重机子系统的电路系统中存在的传导性骚扰源,通过现场测试,指出了骚扰源的作用方式及其时域特性,比较了不同工况下、不同测试点的电磁骚扰特性,并通过分析得出影响骚扰源特性的因素主要是电磁骚扰电压中的不规则振荡部分。该分析结果为制定汽车起重机中起重机子系统专门的测试标准和进一步开展相关的电磁兼容研究提供了基础。
关键词 汽车起重机;电磁兼容;骚扰源;时域特性
Abstract The conducted disturbance sources of the electrical systemof the truck crane
were investigated. The influence and the time-domain characteristics of possible
conducted disturbance sources were analyzed. The electromagnetic disturbance
characteristics at different test points under different operation conditions were
compared. Based on the analysis of test results, it was pointed out that the irregular
oscillation was the main factor for the electromagnetic disturbance voltage. The
presented results could provide a basis for the development ofa special standard for
the EMCtest of the truck crane and further relevant EMCresearch.
Keywords truck crane; EMC; disturbance source; time-domain characteristics
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