What is another word for power autotransformer?
Pronunciation: [pˈa͡ʊəɹ ˌɔːtə͡ʊtɹansfˈɔːmə] (IPA) 
A power autotransformer is an electrical device that is used to regulate and control the flow of electrical power in a circuit. The device is sometimes called a variable autotransformer, voltage regulating transformer, or simply an autotransformer. Synonyms for a power autotransformer include power transformer, voltage regulator, voltage stabilizer, voltage converter, voltage controller, and voltage transformer. All of these terms refer to the same device, which is designed to increase or decrease the voltage of an electrical circuit. Power autotransformers are commonly used in industries such as manufacturing, construction, and engineering, and are an essential component of many electrical systems.
