{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11245258","patent":{"patent_number":"US-11245258","title":"Optimal sparse placement of phasor measurement units and state estimation of key buses in distribution networks","assignee":null,"inventors":[],"filing_date":"2020-08-31T00:00:00.000Z","publication_date":"2022-02-08T00:00:00.000Z","cpc_codes":["H02J","H02J","G06Q","H02J","H02J","H02J","H02J"],"num_claims":20,"abstract":"A method for state estimation of a distribution network comprises: (a) obtaining measurements from phasor measurement units (PMUs) placed at buses in the distribution network; (b) constructing a quotient gradient system (QGS) based on a constraint set H that relates the measurements to state variables of the distribution network; (c) integrating the QGS to reach a steady state; (d) identifying one or more of the state variables whose measurement residuals violate a measurement residual constraint in the constraint set H; (e) integrating a reconstructed QGS, which is reconstructed based on the constraint set H by setting the identified one or more state variables to values of corresponding PMU measurements; (f) iterating steps of (d) and (e) until no measurement residuals violate the measurement residual constraint, to thereby obtain the state estimation; and (g) reporting the state estimation to a control system during real-time monitoring of the distribution network."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Optimal sparse placement of phasor measurement units and state estimation of key buses in distribution networks","description":"A method for state estimation of a distribution network comprises: (a) obtaining measurements from phasor measurement units (PMUs) placed at buses in the distribution network; (b) constructing a quoti","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11245258","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-11245258","citation_suggestion":"Patentable. \"Optimal sparse placement of phasor measurement units and state estimation of key buses in distribution networks\" (US-11245258). https://patentable.app/patents/US-11245258","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11245258","json":"https://patentable.app/api/llm-context/US-11245258","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T04:22:42.726Z"}