{"schemaVersion":1,"slug":"32-directional-power","name":"Directional power","kind":"function","abbreviation":"32","aliases":["reverse power","directional power relay"],"category":"measurement-protection","drawingTypes":["SLD","Schematic"],"referenceFamilies":["IEEE / ANSI"],"summary":"A function responding to power with a specified direction and operating condition.","description":["Directional power protection uses the direction and magnitude of power according to the implementation and configured purpose. Reverse-power applications are one use encountered in generating systems; the generic device number does not specify the complete application.","On a power drawing, keep this function reference connected to the selected equipment and its complete designation. A multifunction relay can implement several numbered functions. This entry explains the reference; it supplies no settings or commissioning procedure."],"readingNotes":["Identify both the current and voltage measurement references.","Read the defined forward or reverse direction from the system and relay documentation."],"drawingChecklist":["Document measurement references.","State the applied direction convention.","Link the protection application and associated device."],"distinction":"Directional power and directional overcurrent measure different operating quantities. The numbers 32 and 67 are not interchangeable.","facts":[{"label":"ANSI / IEEE function number","value":"32"},{"label":"Equipment implementation","value":"Consult the selected device manual"},{"label":"Suffix interpretation","value":"Application and manufacturer documentation"}],"references":[{"sourceId":"device-numbers","relevance":"Public manufacturer table used to check the base function-number name."},{"sourceId":"ieee-functions","relevance":"Normative publication reference for the device-function convention."}],"related":["67-directional-overcurrent","current-transformer","generator"],"artwork":"function","publishedOn":"2026-10-13","updatedOn":"2026-10-13","provenance":"independent-public-research","url":"https://eloragrid.ai/protection-functions/32-directional-power","illustration":{"url":"https://eloragrid.ai/library/illustrations/32-directional-power.svg","scope":"Original educational concept; not an official standard graphic or product footprint","license":"https://creativecommons.org/licenses/by/4.0/"},"sources":[{"id":"device-numbers","title":"Public reference table of ANSI device-function numbers","publisher":"Schneider Electric","url":"https://www.se.com/es/es/faqs/FA34639/","type":"manufacturer","scope":"Spanish-language public reference table. Used to check device-number names; no claim that every function is implemented in every device.","checkedOn":"2026-10-13","reuse":"link-only","relevance":"Public manufacturer table used to check the base function-number name."},{"id":"ieee-functions","title":"IEEE C37.2-2022: power-system device function numbers","publisher":"IEEE","url":"https://ieeexplore.ieee.org/document/9984140","type":"standard","scope":"Device function numbers, acronyms and contact designations. The full publication may require access through IEEE.","checkedOn":"2026-10-13","reuse":"link-only","relevance":"Normative publication reference for the device-function convention."}]}