What solar and wind farms need from MV switchgear: collector duties, ratings and derating for intermittent output, insulation technology, enclosure requirements and grid code compliance.
How to specify EV charging station switchgear: the power path from MV feeder to charger, load sizing with simultaneity, MV switch options, LV protection and compact substations.
A compact substation buying guide covering construction types, when a prefabricated unit beats a switchroom, the specification checklist, sizing, layout and required test documentation.
AIS versus GIS switchgear: insulating medium, footprint, cost structure, maintenance and repair consequences, expandability, and the regulatory pressure reshaping gas-insulated designs.
The functional differences between a recloser, a circuit breaker and a sectionalizer, how the three coordinate to isolate a faulted section, and which arrangement suits each network.
How an HRC fuse is built and why it can interrupt 100 kA: element, tin joints and silica sand filler, the main types, the ratings to check, and HRC versus breaker.