{"schemaVersion":1,"slug":"microgrid-pcc-import-limit-controller","name":"Microgrid PCC import-limit controller","kind":"symbol","abbreviation":"MPIC","aliases":["Microgrid active-power dispatch controls","microgrids Microgrid active-power dispatch controls","microgrids","Microgrids","PCC import measurement and limit","Resource power adjustment"],"category":"microgrid-systems","drawingTypes":["Schematic"],"referenceFamilies":["Manufacturer"],"summary":"Requests resource adjustments to keep the measured utility import within the assigned operating limit.","description":["Requests resource adjustments to keep the measured utility import within the assigned operating limit. Active-power dispatch allocates the electrical work performed by the microgrid resources. A total site target, a resource power limit and the actual measured contribution are different quantities that must be connected clearly in the diagram.","In a microgrid with solar generation, a battery and generators, the controller can allocate an import/export target among the available resources while reserving the power needed for operating disturbances. For this reference, the drawing identifies “PCC import measurement and limit” at the input and “Resource power adjustment” at the output. The sign convention and measurement boundary must be explicit.","Identify the measurement boundary, power sign convention, resource limits and target priority. An original control block does not supply dispatch settings, a financial operating policy or proof of grid-code compliance. 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: PCC import measurement and limit. Identify its source device or document and the state represented on the drawing.","Follow the named output: Resource power adjustment. Cross-reference its destination and separate the command from confirmation that the equipment responded.","The sign convention and measurement boundary must be explicit.","Identify the measurement boundary, power sign convention, resource limits and target priority. An original control block does not supply dispatch settings, a financial operating policy or proof of grid-code compliance."],"drawingChecklist":["Label the source and connection reference for pcc import measurement and limit.","Identify the destination and defined state of resource power adjustment.","Record the equipment or control-document revision supporting this functional block.","Check this application limit in the project design: The sign convention and measurement boundary must be explicit."],"distinction":"The sign convention and measurement boundary must be explicit. 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":"PCC import measurement and limit"},{"label":"Output / connection","value":"Resource power adjustment"},{"label":"Lookup label","value":"MPIC is a library lookup label, not a standard device designation."}],"references":[{"sourceId":"pi26-mg-power","relevance":"Public technical context for microgrid active-power dispatch controls. Active and reactive power, generation, load control, operating reserves and system supervision. The application text and educational graphic are independently authored; the publisher does not certify this representation."}],"related":["power-plant-controller","point-of-common-coupling","microgrid-pcc-export-limit-controller"],"artwork":"pi26-microgrid-pcc-import-limit-controller","publishedOn":"2026-11-03","updatedOn":"2026-11-03","provenance":"independent-public-research","representation":{"type":"functional-block","focus":"microgrids","family":"microgrid-active","input":"PCC import measurement and limit","output":"Resource power adjustment"},"plainEnglish":{"title":"What this block does","introduction":"Requests resource adjustments to keep the measured utility import within the assigned operating limit.","example":"In a microgrid with solar generation, a battery and generators, the controller can allocate an import/export target among the available resources while reserving the power needed for operating disturbances. For this reference, the drawing identifies “PCC import measurement and limit” at the input and “Resource power adjustment” at the output. The sign convention and measurement boundary must be explicit.","drawings":"Start at the named input: PCC import measurement and limit. Identify its source device or document and the state represented on the drawing. Follow the named output: Resource power adjustment. Cross-reference its destination and separate the command from confirmation that the equipment responded.","terms":[{"name":"Input","meaning":"PCC import measurement and limit"},{"name":"Output","meaning":"Resource power adjustment"},{"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":["PCC import measurement and limit","MPIC","Resource power adjustment"],"caption":"A reading guide. The entry's original illustration and input/output facts describe this application.","sources":[{"label":"Microgrid control systems","url":"https://selinc.com/services/microgrids-power-management/microgrid-control-systems/"}],"profileId":"power-installation-microgrid-active"},"url":"https://eloragrid.ai/symbols/microgrid-pcc-import-limit-controller","illustration":{"url":"https://eloragrid.ai/tools/electrical-library/illustrations/microgrid-pcc-import-limit-controller.svg","scope":"Original educational concept; not an official standard graphic or product footprint","license":"https://creativecommons.org/licenses/by/4.0/"},"sources":[{"id":"pi26-mg-power","publisher":"SEL","title":"Microgrid control systems","url":"https://selinc.com/services/microgrids-power-management/microgrid-control-systems/","scope":"Active and reactive power, generation, load control, operating reserves and system supervision.","type":"manufacturer","checkedOn":"2026-11-03","reuse":"link-only","relevance":"Public technical context for microgrid active-power dispatch controls. Active and reactive power, generation, load control, operating reserves and system supervision. The application text and educational graphic are independently authored; the publisher does not certify this representation."}]}