What is IEC 61000-4-177:2019 ?

Title: What is IEC 61000-4-177:2019 and IEC 61000-4-174:2019?

Electromagnetic compatibility (EMC) is an essential aspect of modern technology, as it ensures that electrical and electronic equipment can function properly in the presence of electromagnetic interference (EMI). IEC 61000-4-177:2019 and IEC 61000-4-174:2019 are two important international standards that define the testing and measurement techniques used for EMC. In this article, we will discuss the purpose of these standards and the testing process they undergo.

IEC 61000-4-177:2019:

IEC 61000-4-177:2019 is an international standard that outlines the testing and measurement techniques used for EMC. Specifically, it focuses on immunity tests for electrical and electronic equipment against electromagnetic fields caused by radio transmitters. The standard provides guidelines for conducting the tests, test levels, and evaluation criteria to ensure that devices can function properly in the presence of EMI.

The primary purpose of IEC 61000-4-177:2019 is to define a set of conditions that simulate realistic EM environments. By subjecting electrical and electronic equipment to these tests, manufacturers can assess the performance and susceptibility of their products to EMI. The standard aims to ensure that products are capable of operating without being affected by EMI from radio transmitters or other sources.

IEC 61000-4-174:2019:

IEC 61000-4-174:2019 is part of the IEC series of standards that deal with EMC. Specifically, it addresses the topic of harmonics and interharmonics in electrical power systems. The primary purpose of IEC 61000-4-174:2019 is to provide a standardized method for testing and measuring the harmonics and interharmonics produced by electrical devices when connected to an AC power supply.

Harmonics and Interharmonics:

Harmonics are current or voltage components that are integer multiples of the fundamental frequency (typically 50 or 60 Hz), while interharmonics are non-integer multiples of the fundamental frequency. By defining a common testing methodology and specifying acceptable limits for harmonics and interharmonics emissions, IEC 61000-4-177:2019 helps ensure that electronic equipment does not cause undue interference with other devices sharing the same power network.

Conclusion:

In conclusion, IEC 61000-4-177:2019 and IEC 61000-4-174:2019 are two important international standards that define the testing and measurement techniques used for EMC. These standards help ensure that electrical and electronic equipment is capable of operating without being affected by EMI from radio transmitters or other sources. By subjecting electrical and electronic equipment to these tests, manufacturers can assess the performance and susceptibility of their products to EMC.