What would be the output if a buck-boost transformer is incorrectly connected?

When a buck-boost transformer is incorrectly connected, various outcomes are possible due to the nature of the transformer and how it is designed to adjust voltage levels. The transformer is typically used to either step down (buck) or step up (boost) voltage levels, and an improper connection can lead to unexpected and erratic output.

If the transformer’s primary and secondary windings are miswired, it can indeed produce a higher voltage than expected if the turns ratio is effectively reversed or misconfigured. Conversely, it could also lead to a lower voltage output if the intended step-down function is disrupted or if there is a phase issue. In some cases, especially if a complete misconnection occurs where the transformer is not properly integrated into the circuit, there might be no output at all.

Therefore, the outcome of incorrectly connecting a buck-boost transformer can truly vary, resulting in higher than expected, lower than expected, or even no output at all. This demonstrates the sensitivity of transformer connections and the critical importance of following the correct wiring procedures to ensure proper functionality.