Simulation output does not include measurements from power-transformer-end-connected tap changers

Regulators in CIM-100 can be associated with a transformer tank end (single-phase) or a power transformer end (multi-phase).

Currently, the platform only produces measurements for tap changers connected to transformer tank ends. One example of this type of tap changer occurs in the 123-bus system at the substation.

The state estimator requires measurements from these tap changers. State estimator support will be added under #1238

From Tom: In CIM and OpenDSS, the regulator is split into the transformer function and the tap changer function. Those functions are combined in GridLAB-D. If you have a single-phase line regulator, or a three-phase regulator with independent phase control, then the transformer function has to be modeled in tanks, leading to TransformerTankEnd. Inside the substation, the regulator is three-phase and ganged together, so you don’t need the complexity of tanks, leading to PowerTransformerEnd.

The query in ListMeasureables.py only filters on TransformerTankEnd, so it will miss the tap changer measurements for PowerTransformerEnd. There was a fix in the latest branch of Powergrid-Models, either feature/mRID or feature/speedup, but that didn’t get migrated into the measurements.

GRIDAPPSD / GOSS-GridAPPS-D

Simulation output does not include measurements from power-transformer-end-connected tap changers #1239