Supported single-line diagram symbols - Arc protection - Bay control and measurement - Motor protection - Transformer protection - 2 winding - Busbar differential protection (low impedance) - Feeder protection - Voltage regulation - Busbar protection (voltage and frequency) - Capacitor bank protection - Interconnection protection - Power management/Load shedding - Back-up protection - Engineering Manual - SSC600 Smart substation control and protection - 1.5 - IEC - ANSI - 17.04.2023

SSC600 and SSC600 SW Engineering Manual

Description IEC representation ANSI representation
Disconnector – Intermediate position
Disconnector – Open position
Disconnector – Closed position
Disconnector – Bad (faulty) position
Circuit breaker – Intermediate position
Circuit breaker – Open position
Circuit breaker – Closed position
Circuit breaker – Bad (faulty) position
Truck – Intermediate position
Truck – Open position
Truck – Closed position
Truck – Bad (faulty) position
Contactor – Intermediate position
Contactor – Open position
Contactor – Closed position
Contactor – Bad (faulty) position
Load Breaker – Intermediate position
Load Breaker – Open position
Load Breaker – Closed position
Load Breaker – Bad (faulty) position
Disconnecting truck – Intermediate position
Disconnecting truck – Open position
Disconnecting truck – Closed position
Disconnecting truck – Bad (faulty) position
Current transformer
Voltage transformer 2 windings
Voltage measurement truck – Intermediate position
Voltage measurement truck – Open position
Voltage measurement truck – Closed position
Voltage measurement truck – Bad (faulty) position
Current sensor
Voltage sensor
Transformer 2 windings
Transformer 3 windings
Autotransformer
Tap changer
Transformer 2 windings with earth
In-feeder
Out-feeder
Earth symbol
Button
Capacitor
Motor
Generator
Fuse
Resistor
Earthing transformer
Petersen coil
Power factor controller