Power System Elements | AC & DC Power System Components | ETAP

System Elements

System Elements & Components

AC 1-phase, 2-phase & 3-phase elements
DC elements
Distribution Equipment
Traction Equipment
Switching devices
Protective devices
Source elements
Branch elements
Load & Motor elements
Instrumentation (Relay, Meter, CT, VT, PT)
Power conversion – AC/DC elements
DC control system elements
Underground raceway elements
System grounding elements
Unlimited buses: license dependent at run-time
Nested network views - composite networks & MCC

Sources

Power Grids
Synchronous Generator
Induction Generator
Wind Turbine Generator
PhotoVoltaic Array / Solar Panel

Branches

Two-Winding Transformer with voltage regulators
Three-Winding Transformer with voltage regulators
Three Single Phase Transformers
Open-Delta Transformer
ZigZag Grounding Transformer
Power Cable
Current Limiting Reactor
Overhead Transmission Line
HVDC Transmission Link
Impedance
Current Limiting Reactor
Series Capacitor
Distribution Voltage Regulator

Bus

Node
MCC
Switchgear
Switchboard
Switchrack
Panelboard
Cable Bus
Open Air
Bus Duct
Busway (Trunking Busbar)

Loads

Induction Motor
Lumped Load - voltage & frequency dependent
Static Load
Panel System
Static Var Compensator (SVC)
Synchronous Motor
Synchronous Condenser
Motor Operated Valve (MOV)
Capacitor
Switched Capacitor
Harmonic Filter - Single Tuned, High-Pass, Band Pass, 3rd Order Damped & C-Type

Instrumentation Elements

Current Transformer (CT)
Potential / Voltage Transformer (PT / VT)
Voltmeter
Ammeter
Multimeter
Voltage Relay
Frequency Relay
Motor Relay
Differential Relay
Reverse Power Relay
Solid-State Trip Relay
Overcurrent Relay
Distance Relay
Overload Relay
Multi-Functional Relay

Protective & Switching Devices

Fuse
High Voltage Circuit Breaker
Recloser
Overload Heater
Single Throw Switch
Double Throw Switch
Ground Switch
Contactor
Low-Voltage Circuit Breaker
In-line Overload Relay

Power Conversion - AC-DC Elements

Uninterruptible Power Supply (UPS)
Variable Frequency Drive (VFD)
Battery Charger / Rectifier
Inverter

DC Elements

Battery
DC Motor
DC Static Load
DC Lumped Load
DC Branch Impedance
DC Cable
DC-DC Converter
DC PV Array - License dependent
DC Fuse
DC Circuit Breaker
DC Switch - Single & Double Throw

DC Control System Elements

Bus
Fuse
Circuit Breaker
Push Button
Switch
Contact
Double Contact
Macro-Controlled Contact
Wire
Impedance
Light
Solenoid
General Load
Control Relay

Other

Exciters
Governors
Power System Stabilizers (PSS)
Remote Connector
Grounding/Earthing Adapter
Phase Adapter
Ground Grid System
Composite Network - Nested Network
Composite Motor - Nested MCC