{"schemaVersion":1,"slug":"microgrid-pv-reactive-control-ownership","name":"Microgrid PV reactive-control ownership","kind":"symbol","abbreviation":"MPRO","aliases":["Microgrid renewable-generation interfaces","microgrids Microgrid renewable-generation interfaces","microgrids","Microgrids","Reactive control authority","Selected PV reactive reference"],"category":"microgrid-systems","drawingTypes":["Schematic"],"referenceFamilies":["Manufacturer"],"summary":"Selects the permitted voltage-support control source for the assigned PV inverter.","description":["Selects the permitted voltage-support control source for the assigned PV inverter. Renewable-generation coordination connects variable resource availability, inverter operating limits and the microgrid power target. Available solar or wind power, an issued curtailment request and actual delivered power are different signals.","In a microgrid with solar generation, the controller can restrain inverter output when local load and storage cannot absorb the available power. The resource controller reports its own availability and accepted operating limits. For this reference, the drawing identifies “Reactive control authority” at the input and “Selected PV reactive reference” at the output. The inverter capability depends on its operating point.","Identify the point where power is measured and the system declaring each availability or limit signal. Resource forecasts and controller requests do not guarantee the delivered generation at every instant. 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: Reactive control authority. Identify its source device or document and the state represented on the drawing.","Follow the named output: Selected PV reactive reference. Cross-reference its destination and separate the command from confirmation that the equipment responded.","The inverter capability depends on its operating point.","Identify the point where power is measured and the system declaring each availability or limit signal. Resource forecasts and controller requests do not guarantee the delivered generation at every instant."],"drawingChecklist":["Label the source and connection reference for reactive control authority.","Identify the destination and defined state of selected pv reactive reference.","Record the equipment or control-document revision supporting this functional block.","Check this application limit in the project design: The inverter capability depends on its operating point."],"distinction":"The inverter capability depends on its operating point. 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":"Reactive control authority"},{"label":"Output / connection","value":"Selected PV reactive reference"},{"label":"Lookup label","value":"MPRO is a library lookup label, not a standard device designation."}],"references":[{"sourceId":"pi26-pv-control","relevance":"Public technical context for microgrid renewable-generation interfaces. Renewable generation dispatch and microgrid source coordination. The application text and educational graphic are independently authored; the publisher does not certify this representation."}],"related":["pv-string-inverter","photovoltaic-string-combiner","microgrid-solar-forecast-input-boundary"],"artwork":"pi26-microgrid-pv-reactive-control-ownership","publishedOn":"2026-11-03","updatedOn":"2026-11-03","provenance":"independent-public-research","representation":{"type":"functional-block","focus":"microgrids","family":"microgrid-renewables","input":"Reactive control authority","output":"Selected PV reactive reference"},"plainEnglish":{"title":"What this block does","introduction":"Selects the permitted voltage-support control source for the assigned PV inverter.","example":"In a microgrid with solar generation, the controller can restrain inverter output when local load and storage cannot absorb the available power. The resource controller reports its own availability and accepted operating limits. For this reference, the drawing identifies “Reactive control authority” at the input and “Selected PV reactive reference” at the output. The inverter capability depends on its operating point.","drawings":"Start at the named input: Reactive control authority. Identify its source device or document and the state represented on the drawing. Follow the named output: Selected PV reactive reference. Cross-reference its destination and separate the command from confirmation that the equipment responded.","terms":[{"name":"Input","meaning":"Reactive control authority"},{"name":"Output","meaning":"Selected PV reactive reference"},{"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":["Reactive control authority","MPRO","Selected PV reactive reference"],"caption":"A reading guide. The entry's original illustration and input/output facts describe this application.","sources":[{"label":"Microgrid processing and control functions","url":"https://productinfo.se.com/esxp_digital_apps_iec/mg/English/BM_ESXP_DG_Microgrid_IEC_0001122076.xml/%24/ESXP_DG_MG_SD_Processing_0001125595"}],"profileId":"power-installation-microgrid-renewables"},"url":"https://eloragrid.ai/symbols/microgrid-pv-reactive-control-ownership","illustration":{"url":"https://eloragrid.ai/tools/electrical-library/illustrations/microgrid-pv-reactive-control-ownership.svg","scope":"Original educational concept; not an official standard graphic or product footprint","license":"https://creativecommons.org/licenses/by/4.0/"},"sources":[{"id":"pi26-pv-control","publisher":"Schneider Electric","title":"Microgrid processing and control functions","url":"https://productinfo.se.com/esxp_digital_apps_iec/mg/English/BM_ESXP_DG_Microgrid_IEC_0001122076.xml/%24/ESXP_DG_MG_SD_Processing_0001125595","scope":"Renewable generation dispatch and microgrid source coordination.","type":"manufacturer","checkedOn":"2026-11-03","reuse":"link-only","relevance":"Public technical context for microgrid renewable-generation interfaces. Renewable generation dispatch and microgrid source coordination. The application text and educational graphic are independently authored; the publisher does not certify this representation."}]}