{"id":"https://openalex.org/keywords/area-control-error","display_name":"area control error","description":"A power-system frequency-control measure representing the mismatch between scheduled and actual interchange power, adjusted for frequency deviation.","display_name_alternatives":["area control errors","ACE"],"ids":{"openalex":"https://openalex.org/keywords/area-control-error","wikidata":null},"primary_topic":{"id":"https://openalex.org/T12277","display_name":"Frequency Control in Power Systems","score":0.817,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T12277","display_name":"Frequency Control in Power Systems","score":0.817,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"works_count":741,"cited_by_count":10497,"works_api_url":"https://api.openalex.org/works?filter=keywords.id:keywords/area-control-error","updated_date":"2026-10-21T04:06:17","created_date":"2026-09-30T00:00:00"}