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Practical industrial EUT testing in reverb chamber experiences, findings and practical observations on high amplitude immunity testing of industrial equipment in reverberation chamber

机译:混响室经验中的实用工业EUT测试,对混响室工业设备的高幅度免疫检测实践观察

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Practical radiated immunity testing in a reverberation chamber requires testing activities different from classical radiated immunity tests performed according to IEC 61000-4-3. Especially investigatory tests like HALT (High Amplitude Limit Testing) analysis, where less than 12 stirrer positions are favorable in terms of speeding up the test, new strategies must be applied for the frequency scanning methodology and for the interpretation of the results. The practical testing has also revealed that the mains power adaptor may prove to be the Achilles heel of systems not comprising a dedicated power supply. The response and immunity of the mains adaptors has proved to be a limiting factor for the EMC properties of small data transmission systems. The paper presents the chamber behavior, the usefulness of stirrer stroke analysis as well as the observations and conclusions drawn from practical equipment testing.
机译:混响室中的实际辐射免疫检测需要根据IEC 61000-4-3进行的经典辐射免疫试验不同的测试活动。 特别是调查测试,如Halt(高幅度限制测试)分析,如果在加速测试方面,少于12个搅拌器位置,则必须对频率扫描方法进行新的策略和对结果的解释。 实际测试还揭示了主电源适配器可能被证明是不包括专用电源的系统的Achilles脚跟。 主电源适配器的响应和免疫证明是小数据传输系统的EMC性能的限制因素。 本文提出了腔室行为,搅拌器行程分析的有用性以及从实用设备测试中汲取的观察和结论。

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