It’s impossible to balance line-to-line voltages perfectly in three-phase circuits, so they typically differ by a few volts or more. However, if voltage unbalance exceeds 1%, it can markedly decrease ...
Australia's NOJA Power has released Relay 1.9, an upgraded firmware platform for its OSM series Automatic Circuit Reclosers (ACR). Among other enhancements, the firmware now includes Negative Phase ...