What are the scopes of electromagnetic compatibility testing? The application of EMC (Electromagnetic Compatibility) in the modern market has become so widespread that it is irreplaceable. The main reason is that any product must undergo strict electromagnetic compatibility testing before being launched on the market, and only those that meet the standards can enter the market. The most prominent feature of EMC (Electromagnetic Compatibility) is that it can ensure that electronic devices or systems can operate normally in an electromagnetic environment without causing any impact or harm to other equipment in the same environment.
The EMC (Electromagnetic Compatibility) test includes electromagnetic immunity and electromagnetic disturbance. Electromagnetic immunity refers to the normal operation of equipment in an electromagnetic environment, and electromagnetic disturbance refers to the fact that the electromagnetic disturbance of electronic equipment itself cannot affect other electronic products.
The testing scope of electromagnetic compatibility includes electromagnetic interference (EMS) testing and electromagnetic interference (EMI) testing. Electromagnetic anti-interference refers to the ability of machinery, equipment and systems to resist electromagnetic interference existing in a certain environment to a certain extent, also known as electromagnetic sensitivity. The test items include: electrostatic discharge immunity, radio frequency electromagnetic field immunity, electrical fast transient burst immunity, impulse immunity, radio frequency field induced conduction immunity, power frequency magnetic field immunity test, voltage sag short-term interruption and voltage sag immunity.
Electromagnetic interference refers to any electromagnetic phenomenon that, under the influence of conduction or electromagnetic fields accompanied by the action of voltage or current, can reduce the performance of a certain device, equipment or system, or may have adverse effects on living organisms or substances. The test items include: radiated emission test, conducted emission test, disturbance power test, current harmonic test, power supply harmonic measurement, and flicker test.
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