{"schemaVersion":1,"slug":"embedded-generation-export-interface","name":"Embedded-generation export interface","kind":"symbol","abbreviation":"EEI","aliases":["Switchboard source and bus interfaces","switchgear Switchboard source and bus interfaces","switchgear","Switchgear","Generation and utility measurements","Export connection information"],"category":"control-circuits","drawingTypes":["Schematic"],"referenceFamilies":["Manufacturer"],"summary":"Marks the switchboard point where local generation can feed toward the external system.","description":["Marks the switchboard point where local generation can feed toward the external system. A source and bus arrangement shows how incoming supplies and outgoing circuits can be connected. Breaker and tie positions determine which sections are energized and whether sources can become electrically paralleled.","In a switchgear lineup with two incomers and a bus tie, the single-line arrangement helps the engineer identify normal supply paths and which loads change source during a transfer. For this reference, the drawing identifies “Generation and utility measurements” at the input and “Export connection information” at the output. Export permission and protection are separate requirements.","Keep normal positions, transfer limits, source independence and protection-zone boundaries visible. An arrangement drawing explains connectivity; the permitted switching sequence needs a separate approved scheme. The functional block is an independent explanation of this named application. Equipment-specific ratings, terminal connections and operating conditions must be established in the project documentation."],"readingNotes":["Start at the named input: Generation and utility measurements. Identify its source device or document and the state represented on the drawing.","Follow the named output: Export connection information. Cross-reference its destination and separate the command from confirmation that the equipment responded.","Export permission and protection are separate requirements.","Keep normal positions, transfer limits, source independence and protection-zone boundaries visible. An arrangement drawing explains connectivity; the permitted switching sequence needs a separate approved scheme."],"drawingChecklist":["Label the source and connection reference for generation and utility measurements.","Identify the destination and defined state of export connection information.","Record the equipment or control-document revision supporting this functional block.","Check this application limit in the project design: Export permission and protection are separate requirements."],"distinction":"Export permission and protection are separate requirements. This reference describes the named application; it does not establish a new IEC graphical symbol, an ANSI device-function number or an exact manufacturer connection diagram.","facts":[{"label":"Representation","value":"Functional block"},{"label":"Installation focus","value":"Switchgear"},{"label":"Input / boundary","value":"Generation and utility measurements"},{"label":"Output / connection","value":"Export connection information"},{"label":"Lookup label","value":"EEI is a library lookup label, not a standard device designation."}],"references":[{"sourceId":"pi26-bus-schemes","relevance":"Public technical context for switchboard source and bus interfaces. Bus arrangements, breaker control and bay-level coordination. The application text and educational graphic are independently authored; the publisher does not certify this representation."}],"related":["busbar","automatic-transfer-switch","bus-section-load-transfer-request"],"artwork":"pi26-embedded-generation-export-interface","publishedOn":"2026-11-03","updatedOn":"2026-11-03","provenance":"independent-public-research","representation":{"type":"functional-block","focus":"switchgear","family":"supply-arrangements","input":"Generation and utility measurements","output":"Export connection information"},"plainEnglish":{"title":"What this block does","introduction":"Marks the switchboard point where local generation can feed toward the external system.","example":"In a switchgear lineup with two incomers and a bus tie, the single-line arrangement helps the engineer identify normal supply paths and which loads change source during a transfer. For this reference, the drawing identifies “Generation and utility measurements” at the input and “Export connection information” at the output. Export permission and protection are separate requirements.","drawings":"Start at the named input: Generation and utility measurements. Identify its source device or document and the state represented on the drawing. Follow the named output: Export connection information. Cross-reference its destination and separate the command from confirmation that the equipment responded.","terms":[{"name":"Input","meaning":"Generation and utility measurements"},{"name":"Output","meaning":"Export connection information"},{"name":"Application reference","meaning":"An explanation of a named drawing function or circuit relationship; the project documents define the equipment and its connections."}],"diagram":"flow","steps":["Generation and utility measurements","EEI","Export connection information"],"caption":"A reading guide. The entry's original illustration and input/output facts describe this application.","sources":[{"label":"SEL-451 protection, automation and bay control","url":"https://selinc.com/products/451/"}],"profileId":"power-installation-supply-arrangements"},"url":"https://eloragrid.ai/symbols/embedded-generation-export-interface","illustration":{"url":"https://eloragrid.ai/tools/electrical-library/illustrations/embedded-generation-export-interface.svg","scope":"Original educational concept; not an official standard graphic or product footprint","license":"https://creativecommons.org/licenses/by/4.0/"},"sources":[{"id":"pi26-bus-schemes","publisher":"SEL","title":"SEL-451 protection, automation and bay control","url":"https://selinc.com/products/451/","scope":"Bus arrangements, breaker control and bay-level coordination.","type":"manufacturer","checkedOn":"2026-11-03","reuse":"link-only","relevance":"Public technical context for switchboard source and bus interfaces. Bus arrangements, breaker control and bay-level coordination. The application text and educational graphic are independently authored; the publisher does not certify this representation."}]}