{"schemaVersion":1,"slug":"iec-bidirectional-energy-flow-qualifier","name":"Bidirectional-energy-flow qualifier","kind":"symbol","abbreviation":"Q020508","aliases":["Bidirectional-energy-flow qualifier symbol","Q020508","Bidirectional-energy-flow qualifier IEC reference"],"category":"microgrid-systems","drawingTypes":["SLD","Schematic"],"referenceFamilies":["IEC","Manufacturer"],"summary":"This qualifier identifies an energy interface intended to operate in both directions.","description":["This qualifier identifies an energy interface intended to operate in both directions. Storage and conversion systems can exchange energy in opposite directions under different modes. A bidirectional qualifier describes that capability without defining when either direction is enabled.","Name the charge/discharge or import/export modes and their interfaces. The operating strategy and protective controls are documented separately from the energy-flow mark."],"readingNotes":["State the supported operating modes and associated control conditions.","A bidirectional energy indication does not by itself certify grid-forming or islanding capability."],"drawingChecklist":["Identify the associated device, circuit or diagram boundary.","State the supported operating modes and associated control conditions.","Cross-reference the equipment data, terminal mapping or operating-state legend needed to interpret the form."],"distinction":"A bidirectional energy indication does not by itself certify grid-forming or islanding capability.","facts":[{"label":"Reference scope","value":"Specific public IEC-context family form"},{"label":"Publisher reference token","value":"Q020508 (Autodesk token; not a verified IEC database ID)"},{"label":"Information added","value":"State the supported operating modes and associated control conditions."},{"label":"Preview","value":"Independent educational concept; consult the publisher and applicable standard for the exact graphic"}],"references":[{"sourceId":"iec-public-energy","relevance":"Official public publisher family name and reference context; vendor identifiers and graphics are distinct from licensed IEC database content."}],"related":["power-converter","plc-io"],"artwork":"edu-iec-bidirectional-energy-flow-qualifier","publishedOn":"2026-10-14","updatedOn":"2026-10-14","provenance":"independent-public-research","symbolVariant":{"convention":"IEC","form":"Bidirectional-energy-flow qualifier","reference":"Autodesk IEC-60617 Symbol Preview — Energy-flow qualifiers; vendor family reference, not certified IEC geometry or database identifier."},"url":"https://eloragrid.ai/symbols/iec-bidirectional-energy-flow-qualifier","illustration":{"url":"https://eloragrid.ai/library/illustrations/iec-bidirectional-energy-flow-qualifier.svg","scope":"Original educational concept; not an official standard graphic or product footprint","license":"https://creativecommons.org/licenses/by/4.0/"},"sources":[{"id":"iec-public-energy","title":"Autodesk IEC-60617 preview: Energy-flow qualifiers","publisher":"Autodesk","url":"https://help.autodesk.com/cloudhelp/2021/ENU/AutoCAD-Electrical/files/GUID-2039C5DD-1C01-4D77-AD97-584052C53D75.htm","type":"cad-reference","scope":"Public publisher IEC-context family names and vendor block references. No vendor images or CAD library files are reproduced, and vendor tokens are not presented as verified IEC database identifiers.","checkedOn":"2026-10-14","reuse":"link-only","relevance":"Official public publisher family name and reference context; vendor identifiers and graphics are distinct from licensed IEC database content."}]}