| Name | Description |
|---|---|
| PortAC | AC port computing auxiliary quantities |
| OnePortAC | Base class for AC components with one port |
| OnePortACdqPU | Base class for one-port AC components with p.u. Park's transformation |
| TwoPortAC | Base class for two-port AC components |
| ShuntConductance | Connects the port to ground via a conductor |