Sensor-to-Trip Functional Assurance for MV Switchgear
A practical assurance-case and FMEA method for proving the complete protection path, exposing hidden common-mode failures and turning FAT/SAT results into defensible evidence.
Learn Switchgear Editorial Team
Pressure-Relief Ducts and the Switchgear-Room Interface
Why internal-arc performance is a system property involving the tested switchgear, installation geometry, room volume, ducting, outlets and operating access.
Dew Point, Condensation and Heater Design in MV Switchgear
A practical engineering guide to condensation risk, dew-point margin, heater control, ventilation, monitoring and commissioning for medium-voltage switchgear.
Cybersecurity Engineering for Protection IEDs and Digital Switchgear
A protection-focused cybersecurity lifecycle covering architecture, identity, engineering access, firmware, key management, logging and recovery without compromising deterministic operation.
End-to-End Digital Protection Commissioning: Sensor to Trip Coil
A practical commissioning method for the complete digital protection chain—from CT/LPIT and merging unit through Sampled Values, IED logic, GOOSE and the physical trip circuit.
How to Specify a Modern Protection Relay Test Set
An engineering specification framework for analog, low-level and IEC 61850 relay testing—focused on test coverage, evidence quality and lifecycle fit rather than channel-count marketing.
HD Hyundai Electric Signs Major Data-Center Power Equipment Agreement
HD Hyundai Electric has signed a framework agreement to supply distribution and power equipment for North American data centers through 2028.
Siemens Opens New Switchgear and Automation Factory in Egypt
Siemens has opened a new Egyptian facility for switchgear, protection, substation control and embedded cybersecurity technologies.
Hitachi Energy and TenneT Complete Site Tests on SF₆-Free 420 kV GIS
Final high-voltage site tests have been completed for Hitachi Energy’s SF₆-free 420 kV GIS at TenneT’s Erzhausen substation.
Schneider Electric Publishes 2026 MV Switchgear Components Catalog
Version 9.0 of Schneider Electric’s MV components catalog brings switching, protection, automation and panel-building products into one reference.