What occurs when buck-boost transformers are connected to boost the input voltage?

When buck-boost transformers are connected to boost the input voltage, the primary and secondary voltages are additive. This means that the voltage output of the transformer increases, providing a higher voltage than what is supplied at the input.

Buck-boost transformers are designed for situations where voltage needs to be adjusted to either increase (boost) or decrease (buck) the input voltage. When the transformer is configured for boosting, the secondary winding's output voltage is added to the voltage present at the primary winding, resulting in a total output that exceeds the input voltage. This is particularly useful in various electrical applications where a specific voltage level is required for proper operation.

Understanding transformer connections and the relationship between primary and secondary voltages is essential for effectively using them to meet specific voltage requirements in electrical systems.