{"schemaVersion":1,"slug":"microgrid-dispatch-tracking-error-monitor","name":"Microgrid dispatch tracking-error monitor","kind":"symbol","abbreviation":"MDTM","aliases":["Microgrid active-power dispatch controls","microgrids Microgrid active-power dispatch controls","microgrids","Microgrids","Power request and measurement","Power tracking error"],"category":"microgrid-systems","drawingTypes":["Schematic"],"referenceFamilies":["Manufacturer"],"summary":"Compares the assigned active-power request with the measured resource response.","description":["Compares the assigned active-power request with the measured resource response. 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 “Power request and measurement” at the input and “Power tracking error” at the output. Measurement timing must be considered.","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: Power request and measurement. Identify its source device or document and the state represented on the drawing.","Follow the named output: Power tracking error. Cross-reference its destination and separate the command from confirmation that the equipment responded.","Measurement timing must be considered.","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 power request and measurement.","Identify the destination and defined state of power tracking error.","Record the equipment or control-document revision supporting this functional block.","Check this application limit in the project design: Measurement timing must be considered."],"distinction":"Measurement timing must be considered. 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":"Power request and measurement"},{"label":"Output / connection","value":"Power tracking error"},{"label":"Lookup label","value":"MDTM 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-peak-demand-support-request"],"artwork":"pi26-microgrid-dispatch-tracking-error-monitor","publishedOn":"2026-11-03","updatedOn":"2026-11-03","provenance":"independent-public-research","representation":{"type":"functional-block","focus":"microgrids","family":"microgrid-active","input":"Power request and measurement","output":"Power tracking error"},"plainEnglish":{"title":"What this block does","introduction":"Compares the assigned active-power request with the measured resource response.","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 “Power request and measurement” at the input and “Power tracking error” at the output. Measurement timing must be considered.","drawings":"Start at the named input: Power request and measurement. Identify its source device or document and the state represented on the drawing. Follow the named output: Power tracking error. Cross-reference its destination and separate the command from confirmation that the equipment responded.","terms":[{"name":"Input","meaning":"Power request and measurement"},{"name":"Output","meaning":"Power tracking error"},{"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":["Power request and measurement","MDTM","Power tracking error"],"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-dispatch-tracking-error-monitor","illustration":{"url":"https://eloragrid.ai/tools/electrical-library/illustrations/microgrid-dispatch-tracking-error-monitor.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."}]}