Answer :
Final answer:
When the input voltage decreases, the primary and secondary voltages in buck-boost transformers are additive.
Explanation:
Buck-boost transformers, also known as autotransformers, are a specific type of transformer used to either step up or step down voltage levels in electrical systems. These transformers are particularly useful when the required voltage adjustment falls within a relatively small range, and a full-fledged, separate step-up or step-down transformer may not be cost-effective. Buck-boost transformers can provide a simple and economical solution for voltage correction.
When buck-boost transformers are connected to decreases the input voltage, the primary and secondary voltages are additive.
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