{"schemaVersion":1,"slug":"capacitor-voltage-transformer","name":"Capacitor voltage transformer","kind":"symbol","abbreviation":"CVT / CCVT","aliases":["capacitive voltage transformer","coupling capacitor voltage transformer","CVT","CCVT","capacitor potential transformer"],"category":"measurement-protection","drawingTypes":["SLD","Schematic"],"referenceFamilies":["Manufacturer"],"summary":"An instrument transformer using a capacitive voltage divider and an electromagnetic unit to supply documented voltage measurement or protection signals.","description":["A capacitor voltage transformer combines a capacitive divider with an electromagnetic unit to provide voltage signals for its documented metering or protection application. Manufacturer arrangements may also provide interfaces for power-line carrier equipment.","In a single line diagram, identify the high-voltage connection and the measurement or protection circuits served by the secondary outputs. The conceptual preview illustrates the operating arrangement; it is not a certified standard symbol or a manufacturer connection drawing."],"readingNotes":["Distinguish the capacitive divider and electromagnetic unit from a standalone coupling capacitor.","Trace the secondary circuits and any carrier interface using the selected model documentation rather than assuming they share the same connection."],"drawingChecklist":["Identify the exact CVT/CCVT equipment tag and the voltage circuit represented.","Reference the specified primary/secondary arrangement, measurement duties and secondary earthing details.","Cross-reference the manufacturer terminal diagram and any documented carrier or damping-system interfaces."],"distinction":"An inductive voltage transformer and a capacitor voltage transformer can both supply voltage signals, but their operating arrangements and transient behaviour differ. A coupling capacitor alone is not a complete CVT.","facts":[{"label":"Operating arrangement","value":"Capacitive divider plus electromagnetic unit; exact construction depends on manufacturer design"},{"label":"Code scope","value":"CVT and CCVT are common equipment abbreviations, not an assigned graphical-symbol identifier"},{"label":"Preview scope","value":"Independently drawn functional concept; not official standard artwork"}],"references":[{"sourceId":"public-cvt-cpb","relevance":"Public CVT application description supports metering, protection and optional carrier context."},{"sourceId":"public-cvt-working-principle","relevance":"Public manufacturer construction explanation supports the divider/electromagnetic-unit distinction."}],"related":["voltage-transformer","capacitor","current-transformer"],"artwork":"original-cvt-concept","publishedOn":"2026-10-13","updatedOn":"2026-10-13","provenance":"independent-public-research","url":"https://eloragrid.ai/symbols/capacitor-voltage-transformer","illustration":{"url":"https://eloragrid.ai/library/illustrations/capacitor-voltage-transformer.svg","scope":"Original educational concept; not an official standard graphic or product footprint","license":"https://creativecommons.org/licenses/by/4.0/"},"sources":[{"id":"public-cvt-cpb","title":"CPB capacitor voltage transformer","publisher":"Hitachi Energy","url":"https://www.hitachienergy.com/uk-ie/en/products-and-solutions/instrument-transformers/voltage-transformers/cpb-72-800-kv","type":"manufacturer","scope":"Public manufacturer description of a capacitor voltage transformer for high-voltage metering, protection and power-line carrier applications. Exact model data remains with the publisher.","checkedOn":"2026-10-13","reuse":"link-only","relevance":"Public CVT application description supports metering, protection and optional carrier context."},{"id":"public-cvt-working-principle","title":"CCV/CVT and coupling capacitors brochure","publisher":"GE Vernova","url":"https://www.gevernova.com/grid-solutions/sites/default/files/2025-09/CCV-CVT-And-CC-Coupling-Capacitors-Brochure-EN-N50166-Hybrid-202505-R002.pdf","type":"manufacturer","scope":"Public explanation of capacitive sections, electromagnetic unit, terminal arrangements and the distinction from a coupling capacitor. Original publisher graphics are not reproduced.","checkedOn":"2026-10-13","reuse":"link-only","relevance":"Public manufacturer construction explanation supports the divider/electromagnetic-unit distinction."}]}