Electrical reference directory

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Voltage-dependent overcurrent51V · SLD / Schematic Voltage-measurement merging-unit publisherVMP · Schematic Voltage-regulator deadband comparatorVDC · Schematic Voltage-regulator line-drop compensation interfaceVLCI · Schematic VoltmeterV · SLD / Schematic VT duplicate-winding segregation referenceVDSR · Schematic VT measurement ratio scaling blockVMRSB · Schematic VT neutral-earthing connection referenceVNCR · Schematic VT open-circuit measurement quality flagVOMQF · Schematic VT secondary fuse supervision interfaceVSFSI · Schematic VT secondary MCB auxiliary interfaceVSMAI · Schematic VT secondary phase-rotation referenceVSPR · Schematic VT secondary star-point identificationVSSI · Schematic VT secondary test isolation boundaryVSTIB · Schematic VT secondary voltage-injection boundaryVSVB · Schematic VT voltage-selection discrepancy alarmVVDA · Schematic Wall bushing primary interfaceWBPI · Schematic Wall-mounted junction enclosureGA · GA / SLD Wall-mounted luminaire plan markLW · GA Watchdog timerWDT · Schematic Water heater plan markWH · GA Wattmetric earth-fault protection32N · SLD / Schematic Weak-infeed protection support interfaceWPSI · Schematic Weatherproof socket outletSO-IP · GA Westermo Lynx 5612-E-F4G-T8G-LVLynx 5612-E-F4G-T8G-LV · GA / Schematic Westermo PS2-60PS2-60 · GA / Schematic Wind generating stationWIND STN · SLD / Schematic Winding temperature indicatorWTI · Schematic / SLD Window current transformerGA · GA / Schematic Window voltage supervisorV WIN · Schematic Wire spliceSPLICE · Schematic Wire-mesh cable basketGA · GA / SLD Wireless access point symbolWAP · GA / Schematic Withdrawable motor feeder unitGA · GA / SLD Wound-primary current transformerCT · SLD / Schematic Wound-rotor induction motorM WR · SLD / Schematic Yard common-condition alarm aggregatorYCAA · Schematic Yard fence bonding interfaceYFBI · Schematic Yard gate bonding interfaceYGBI · Schematic Yard local-control authority contactYLAC · Schematic Yard marshalling-kiosk door alarmYMDA · Schematic Yard marshalling-kiosk heater controlYMHC · Schematic Yard marshalling-kiosk supply alarmYMSA · Schematic Yard mechanism anti-condensation interfaceYMAI · Schematic Yard monitoring communications-fault interfaceYMCI · Schematic Yard motor-drive supply-failure inputYMSI · Schematic Yard terminal-cabinet humidity alarmYTHA · Schematic Yd5 transformer connection referenceYd5 · SLD / Schematic Yd11 transformer connection referenceYd11 · SLD / Schematic Yy6 transformer connection referenceYy6 · SLD / Schematic Yz5 transformer connection referenceYz5 · SLD / Schematic Yz11 transformer connection referenceYz11 · SLD / Schematic Zener diodeZD · Schematic Zeta converter topologyZETA · Schematic / SLD Zigzag winding connectionZIGZAG · SLD / Schematic