{"schemaVersion":1,"slug":"microgrid-site-active-power-setpoint-allocator","name":"Microgrid site active-power setpoint allocator","kind":"symbol","abbreviation":"MSASA","aliases":["Microgrid active-power dispatch controls","microgrids Microgrid active-power dispatch controls","microgrids","Microgrids","Site target and resource limits","Resource active-power targets"],"category":"microgrid-systems","drawingTypes":["Schematic"],"referenceFamilies":["Manufacturer"],"summary":"Distributes the assigned site power target among resources with available control capacity.","description":["Distributes the assigned site power target among resources with available control capacity. 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 “Site target and resource limits” at the input and “Resource active-power targets” at the output. Allocation depends on resource capabilities and priorities.","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: Site target and resource limits. Identify its source device or document and the state represented on the drawing.","Follow the named output: Resource active-power targets. Cross-reference its destination and separate the command from confirmation that the equipment responded.","Allocation depends on resource capabilities and priorities.","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 site target and resource limits.","Identify the destination and defined state of resource active-power targets.","Record the equipment or control-document revision supporting this functional block.","Check this application limit in the project design: Allocation depends on resource capabilities and priorities."],"distinction":"Allocation depends on resource capabilities and priorities. 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":"Site target and resource limits"},{"label":"Output / connection","value":"Resource active-power targets"},{"label":"Lookup label","value":"MSASA 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-available-generation-capacity-estimator"],"artwork":"pi26-microgrid-site-active-power-setpoint-allocator","publishedOn":"2026-11-03","updatedOn":"2026-11-03","provenance":"independent-public-research","representation":{"type":"functional-block","focus":"microgrids","family":"microgrid-active","input":"Site target and resource limits","output":"Resource active-power targets"},"plainEnglish":{"title":"What this block does","introduction":"Distributes the assigned site power target among resources with available control capacity.","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 “Site target and resource limits” at the input and “Resource active-power targets” at the output. Allocation depends on resource capabilities and priorities.","drawings":"Start at the named input: Site target and resource limits. Identify its source device or document and the state represented on the drawing. Follow the named output: Resource active-power targets. Cross-reference its destination and separate the command from confirmation that the equipment responded.","terms":[{"name":"Input","meaning":"Site target and resource limits"},{"name":"Output","meaning":"Resource active-power targets"},{"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":["Site target and resource limits","MSASA","Resource active-power targets"],"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-site-active-power-setpoint-allocator","illustration":{"url":"https://eloragrid.ai/tools/electrical-library/illustrations/microgrid-site-active-power-setpoint-allocator.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."}]}