Technical Articles

What is IEC 61000-4-110: 2019 ?

Title: Understanding IEC 61000-4-110: 2019: A Technical Article on Electromagnetic Compatibility and Interference

IEC 61000-4-110: 2019 is an essential standard for evaluating the electromagnetic compatibility (EMC) of electrical and electronic equipment. This international standard is developed by the International Electrotechnical Commission (IEC) and defines a set of conditions to simulate realistic electromagnetic environments. In this article, we will delve into the purpose and testing process of IEC 61000-4-110: 2019, providing a technical understanding of this important standard.

Purpose of IEC 61000-4-110: 2019:

IEC 61000-4-110: 2019 aims to define a set of conditions for testing and measuring the electromagnetic compatibility (EMC) of electrical and electronic equipment. The standard specifically focuses on immunity tests, which are used to assess the performance and susceptibility of products to electromagnetic interference from radio transmitters or other sources. By subjecting devices to these tests, manufacturers can ensure that their products are capable of operating without interference from these sources.

The Testing Process:

To evaluate the EMC of a device, IEC 61000-4-110: 2019 outlines a standardized testing procedure. The standard defines four different test levels, each with distinct requirements for the duration and level of interference. These test levels are:

* Level 1: Directivity (D) test, which evaluates the device's ability to block electromagnetic interference from a radio transmitter.

* Level 2: Anomaly (A) test, which evaluates the device's ability to withstand interference from a radio transmitter at a lower frequency.

* Level 3: Immunity (I) test, which evaluates the device's ability to function properly in the presence of electromagnetic interference from a radio transmitter.

* Level 4: Overvoltage (O) test, which evaluates the device's resistance to voltage surges.

Each test is conducted in an anechoic chamber, which provides a controlled environment for the test. The standard specifies the equipment requirements, the test equipment, and the testing procedures.

Conclusion:

IEC 61000-4-110: 2019 is an essential standard for evaluating the EMC of electrical and electronic equipment. The standard defines a standardized testing procedure for immunity tests, ensuring that devices are capable of operating without interference from radio transmitters or other sources. By subjecting devices to these tests, manufacturers can ensure that their products meet the necessary performance and safety standards.

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