{"schemaVersion":1,"slug":"ansi-compound-excited-dc-generator","name":"ANSI/IEEE compound-excited DC generator symbol","kind":"symbol","abbreviation":"G DC CMP","aliases":["IEEE compound DC generator symbol","ANSI compound-wound generator symbol","HPW1G10"],"category":"microgrid-systems","drawingTypes":["Schematic"],"referenceFamilies":["IEEE / ANSI","Manufacturer"],"summary":"IEEE-oriented library form of a DC generator with both series and shunt field windings, for drawing lookup.","description":["A compound-excited DC generator combines a shunt field across the armature with a series field carrying load current. Depending on whether the series field aids or opposes the shunt field, terminal voltage can stay nearly flat, rise or fall with load. Such machines survive in legacy battery charging, traction and test installations.","IEEE-style schematics draw the armature circle with brushes, the series field as a winding in the armature lead and the shunt field as a separate winding across the terminals. This entry is a convention-specific lookup based on a publisher's IEEE-labelled preview; the geometry here is independently drawn and is not a certified reproduction of the standard graphic."],"readingNotes":["Identify whether the shunt field is connected across the armature only (short shunt) or across the series field as well (long shunt).","The vendor block identifier is a library name, not a standard number."],"drawingChecklist":["State field connection: short or long shunt, cumulative or differential.","Show field rheostat if fitted.","Cross-reference the IEC-style counterpart entry."],"distinction":"A compound generator has both series and shunt fields; a plain DC generator symbol does not specify the field arrangement.","facts":[{"label":"Convention evidence","value":"Autodesk IEEE Symbol Preview, Generators"},{"label":"Public vendor block name","value":"HPW1G10, VPW1G10 (Autodesk identifiers; not IEEE symbol numbers)"},{"label":"Field windings","value":"Series and shunt"},{"label":"Artwork scope","value":"Original functional illustration; exact standard glyph and compliance are not certified"}],"references":[{"sourceId":"ansi-autodesk-6a9fa93b-3010-4274-ae51-20db3520999c","relevance":"Public IEEE-oriented generator category page listing the compound-excitation DC generator block."},{"sourceId":"ieee-315","relevance":"Graphic-symbol standards context; not a source of reproduced artwork."}],"related":["compound-excited-dc-generator","ansi-dc-generator","dc-generator"],"artwork":"s28-ansi-compound-excited-dc-generator","publishedOn":"2026-10-28","updatedOn":"2026-10-28","provenance":"independent-public-research","symbolVariant":{"convention":"IEEE / ANSI","form":"Autodesk IEEE-oriented DC Generator with Compound Excitation functional form","counterpart":"compound-excited-dc-generator","reference":"Autodesk publishes this block under its IEEE Symbol Preview for generators. The counterpart is the matching functional concept; no equivalence of every detailed standard graphic is asserted."},"plainEnglish":{"title":"What does ANSI/IEEE compound-excited DC generator mean?","introduction":"A compound-excited DC generator combines a shunt field across the armature with a series field carrying load current. Depending on whether the series field aids or opposes the shunt field, terminal voltage can stay nearly flat, rise or fall with load. Such machines survive in legacy battery charging, traction and test installations.","example":"IEEE-style schematics draw the armature circle with brushes, the series field as a winding in the armature lead and the shunt field as a separate winding across the terminals. This entry is a convention-specific lookup based on a publisher's IEEE-labelled preview; the geometry here is independently drawn and is not a certified reproduction of the standard graphic.","drawings":"Identify whether the shunt field is connected across the armature only (short shunt) or across the series field as well (long shunt). The vendor block identifier is a library name, not a standard number. A compound generator has both series and shunt fields; a plain DC generator symbol does not specify the field arrangement.","terms":[{"name":"DC","meaning":"Direct current: electricity flowing in one direction."},{"name":"Winding","meaning":"A coil of conductor inside an electrical machine or transformer."},{"name":"Terminal","meaning":"An identified point where a conductor connects."}],"diagram":"flow","steps":["Identify the device and form","Read the connections and state","Check the equipment reference"],"caption":"A guide to reading this reference. The original symbol illustration and its drawing notes appear below; these boxes are not a wiring diagram.","sources":[{"label":"Autodesk IEEE Symbol Preview — Generators","url":"https://help.autodesk.com/cloudhelp/2021/ENU/AutoCAD-Electrical/files/GUID-6A9FA93B-3010-4274-AE51-20DB3520999C.htm"},{"label":"IEEE/ANSI 315-1975: graphic symbols for electrical and electronics diagrams","url":"https://standards.ieee.org/ieee/315/515/"}],"detail":"IEEE-oriented library form of a DC generator with both series and shunt field windings, for drawing lookup. A compound generator has both series and shunt fields; a plain DC generator symbol does not specify the field arrangement.","profileId":"reviewed-symbol-20261028"},"url":"https://eloragrid.ai/symbols/ansi-compound-excited-dc-generator","illustration":{"url":"https://eloragrid.ai/tools/electrical-library/illustrations/ansi-compound-excited-dc-generator.svg","scope":"Original educational concept; not an official standard graphic or product footprint","license":"https://creativecommons.org/licenses/by/4.0/"},"sources":[{"id":"ansi-autodesk-6a9fa93b-3010-4274-ae51-20db3520999c","title":"Autodesk IEEE Symbol Preview — Generators","publisher":"Autodesk","url":"https://help.autodesk.com/cloudhelp/2021/ENU/AutoCAD-Electrical/files/GUID-6A9FA93B-3010-4274-AE51-20DB3520999C.htm","type":"cad-reference","scope":"Verified public IEEE-oriented vendor catalogue. Block names identify vendor symbols, not IEEE standard symbol numbers. Linked only; graphics and CAD files are not redistributed. IEEE/ANSI 315-1975 is a historical graphics reference with Inactive-Reserved status; this page does not certify current standards compliance.","checkedOn":"2026-10-14","reuse":"link-only","relevance":"Public IEEE-oriented generator category page listing the compound-excitation DC generator block."},{"id":"ieee-315","title":"IEEE/ANSI 315-1975: graphic symbols for electrical and electronics diagrams","publisher":"IEEE Standards Association","url":"https://standards.ieee.org/ieee/315/515/","type":"standard","scope":"Graphic symbols and designation letters. IEEE lists this edition as Inactive-Reserved; it is a historical reference, not a claim of current compliance.","checkedOn":"2026-10-13","reuse":"link-only","relevance":"Graphic-symbol standards context; not a source of reproduced artwork."}]}