What Is an Intelligent Electronic Device (IED)? Complete Guide for 2026

intelligent electronic device

intelligent electronic device technology has become an important part of modern electrical, industrial, and automation systems. These devices can monitor electrical conditions, process information, communicate with other systems, and make decisions based on programmed instructions. Intelligent Electronic Devices, commonly called IEDs, are especially important in electrical power systems, substations, industrial automation, and smart-grid infrastructure. Unlike … Read more