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IEC 61000-4-36-2020 pdf free download

IEC 61000-4-36-2020 pdf free download.Electromagnetic compatibility (EMC) — Part 4-36: Testing and measurement techniques — IEMI immunity test methods for equipment and systems.
Unlike the situation with radiated IEMI sources, examples of conducted IEMI sources are less common. However, it has been shown that many conducted EMC tests exist within published civilian EMC documents such as IEC 61000-4-18 [5], IEC 61000-4-4 [6] and IEC 61000-4-25 [21 and that the sources that generate these test waveforms can be uprated or applied to equipment ports in a different way or otherwise used for malicious effect. There are also various military standards that contain relevant conducted tests.
5.3 Interaction with victim equipment, systems and installations
5.3.1 General
The magnitude of the IEMI environment impinging on a victim system is primarily dependent upon two factors:
1) the range or distance between the IEMI source and the victim electronics;
2) the propagation loss, including the attenuation properties of intervening barriers.
it is important to note that radiated IEMI interacts not only with apertures and structures, but also cables. The total EM disturbance presented to the victim electronics inside is therefore a function of the direct radiated IEMI and the coupling of this IEMI to EM conductors such as cables, pipe-work and ducting. When determining an appropriate test level for a particular radiated IEMI environment of concern, an assessment of the transfer of the IEM1 to the victim electronics inside the building is required and this should include any attenuation afforded by the building material, propagation loss and any other aspects that can affect the resulting currents or voltages presented to the equipment.
Figure 1 shows a typical radiated and conducted IEMI scenario with a vehicle-mounted IEMI source illuminating a building and separately injecting into a power cable. The fields generated by the radiating source penetrate through apertures and separately couple to conductors (both outside and inside the building), generating induced currents and voltages that can affect the victim electronic equipment. The current/voltage generated by the conducted source is coupled to the conductor, allowing it to propagate inside the building and potentially affect electronic equipment.IEC 61000-4-36-2020 pdf free download.

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