EN/IEC 61000-4-18

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The IEC 61000-4-18 standard falls under the umbrella of immunity to electrical surges. The EMC shop specializes in conducted immunity testing and stocks oscillatory wave generators compliant to IEC 61000-4-18.

EN/IEC 61000-4-18 WAVE TYPES

This part of IEC 61000 focuses on the immunity requirements and test methods for electrical and electronic equipment, under operational conditions, with regard to:

a) repetitive slow damped oscillatory waves occurring mainly in power, control and signal cables installed in high voltage and medium voltage (HV/MV) substations;

b) repetitive fast damped oscillatory waves occurring mainly in power, control and signal cables installed in gas insulated substations (GIS) and in some cases also air insulated substations (AIS) or in any installation due to high-altitude electromagnetic pulse (HEMP)
phenomena.

Damped oscillatory waveforms required per IEC 61000-4-18 testing

EN/IEC 61000-4-18 DEFINES

– test voltage and current waveforms
– ranges of test levels;
– test equipment
– calibration and verification procedures of test equipment
– test setups
– test procedure

EN/IEC 61000-4-18 TEST SETUP

Diagram of equipment setup for IEC 61000-4-18 oscillatory wave immunity test

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EN/IEC 61000-4-18 Test Equipment