Implement bus <--> signal node connections in phasor dynamics models
#354 aberto em 1 de abr. de 2026
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Description
Summary
In order to allow for GridKit to be used in co-simulation context, implement connections allowing for bus voltages to be read by a signal node. Similarly, implement connections where buses can read injection currents from a signal node.
Rationale
Co-simulations are commonly used in industry to connect different simulation tools or to include hardware data streams in hardware-in-the-loop simulations. Phasor domain dynamic co-simulated models are connected by exchanging bus voltages and injection currents between co-simulated parts. Providing signal connection to buses is a step towards enabling co-simulations in GridKit.
Description
Consider adding signal ports like this to the bus model:
voltage_rvoltage_iinjection_current_rinjection_current_iVoltage ports should be outgoing , while current ports should be incoming signal ports.
This is a good time to review signal ports implementation.
Additional information
CC @abirchfield @lukelowry @alexander-novo