Home Transformer Posted June 24, 2007 Transformer Share URL Copied to Clipboard https://ingaa.org/glossary/transformer/ « Back to Glossary Index An electrical device for changing the voltage of alternating current. Related Articles: Glossary: Voltage ControlGlossary: Capacity (Electric)Glossary: ElementGlossary: First Contingency Criteria« Back to Glossary Index Related Fact Sheets Safety Pivoting to Support a Net-Zero Future – IMCI Program February 21, 2023