What does TCUL stand for in the context of transformers?

In the context of transformers, TCUL stands for "Tap Charger Under Load". This term typically refers to the feature of certain types of transformers that allows for adjustments in tapping, which can manage the output voltage while the transformer is still under load. Tap chargers are essential in regulating voltage to ensure that the electrical supply remains stable and meets the demand for power, especially in systems where load conditions can fluctuate.

The ability to adjust tapping while under load is significant because it allows for real-time adjustments to maintain system performance without needing to disconnect the load, which can reduce downtime and increase efficiency in power management. Understanding this terminology is crucial for linemen as they work with distribution systems that rely on transformer functionality to deliver electricity effectively.