{"schemaVersion":1,"slug":"microgrid-generator-duty-rotation-selector","name":"Microgrid generator duty-rotation selector","kind":"symbol","abbreviation":"MGDS","aliases":["Microgrid generating-set coordination","microgrids Microgrid generating-set coordination","microgrids","Microgrids","Availability and rotation criteria","Generator priority order"],"category":"microgrid-systems","drawingTypes":["Schematic"],"referenceFamilies":["Manufacturer"],"summary":"Assigns the preferred generating sets according to the documented rotation rule.","description":["Assigns the preferred generating sets according to the documented rotation rule. Generating-set coordination decides which available machines should operate and how their power contribution is shared. Engine starting, breaker connection, load acceptance and stopping are separate stages with their own feedback.","In a microgrid power station, the controller can request an additional generator when available reserve falls and later unload a selected machine before its documented stop sequence. For this reference, the drawing identifies “Availability and rotation criteria” at the input and “Generator priority order” at the output. Maintenance and operating restrictions can override rotation.","Preserve the engine and generator electrical boundaries, command authority and source readiness. Starting duty, minimum loading, synchronising, fuel systems and cooling behavior require the selected generator documentation. 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: Availability and rotation criteria. Identify its source device or document and the state represented on the drawing.","Follow the named output: Generator priority order. Cross-reference its destination and separate the command from confirmation that the equipment responded.","Maintenance and operating restrictions can override rotation.","Preserve the engine and generator electrical boundaries, command authority and source readiness. Starting duty, minimum loading, synchronising, fuel systems and cooling behavior require the selected generator documentation."],"drawingChecklist":["Label the source and connection reference for availability and rotation criteria.","Identify the destination and defined state of generator priority order.","Record the equipment or control-document revision supporting this functional block.","Check this application limit in the project design: Maintenance and operating restrictions can override rotation."],"distinction":"Maintenance and operating restrictions can override rotation. 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":"Microgrids"},{"label":"Input / boundary","value":"Availability and rotation criteria"},{"label":"Output / connection","value":"Generator priority order"},{"label":"Lookup label","value":"MGDS is a library lookup label, not a standard device designation."}],"references":[{"sourceId":"pi26-genset-control","relevance":"Public technical context for microgrid generating-set coordination. Generator start/stop, load sharing, reserve and power management. The application text and educational graphic are independently authored; the publisher does not certify this representation."}],"related":["genset-controller","diesel-generator-set","microgrid-generator-spinning-reserve-contribution"],"artwork":"pi26-microgrid-generator-duty-rotation-selector","publishedOn":"2026-11-03","updatedOn":"2026-11-03","provenance":"independent-public-research","representation":{"type":"functional-block","focus":"microgrids","family":"microgrid-gensets","input":"Availability and rotation criteria","output":"Generator priority order"},"plainEnglish":{"title":"What this block does","introduction":"Assigns the preferred generating sets according to the documented rotation rule.","example":"In a microgrid power station, the controller can request an additional generator when available reserve falls and later unload a selected machine before its documented stop sequence. For this reference, the drawing identifies “Availability and rotation criteria” at the input and “Generator priority order” at the output. Maintenance and operating restrictions can override rotation.","drawings":"Start at the named input: Availability and rotation criteria. Identify its source device or document and the state represented on the drawing. Follow the named output: Generator priority order. Cross-reference its destination and separate the command from confirmation that the equipment responded.","terms":[{"name":"Input","meaning":"Availability and rotation criteria"},{"name":"Output","meaning":"Generator priority order"},{"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":["Availability and rotation criteria","MGDS","Generator priority order"],"caption":"A reading guide. The entry's original illustration and input/output facts describe this application.","sources":[{"label":"AGC power management options G4, G5 and G8","url":"https://www.deif.com/media/5a4bx0xv/agc-3-option-g4-g5-and-g8-power-management-4189340696-uk.pdf"}],"profileId":"power-installation-microgrid-gensets"},"url":"https://eloragrid.ai/symbols/microgrid-generator-duty-rotation-selector","illustration":{"url":"https://eloragrid.ai/tools/electrical-library/illustrations/microgrid-generator-duty-rotation-selector.svg","scope":"Original educational concept; not an official standard graphic or product footprint","license":"https://creativecommons.org/licenses/by/4.0/"},"sources":[{"id":"pi26-genset-control","publisher":"DEIF","title":"AGC power management options G4, G5 and G8","url":"https://www.deif.com/media/5a4bx0xv/agc-3-option-g4-g5-and-g8-power-management-4189340696-uk.pdf","scope":"Generator start/stop, load sharing, reserve and power management.","type":"manufacturer","checkedOn":"2026-11-03","reuse":"link-only","relevance":"Public technical context for microgrid generating-set coordination. Generator start/stop, load sharing, reserve and power management. The application text and educational graphic are independently authored; the publisher does not certify this representation."}]}