{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11303129","patent":{"patent_number":"US-11303129","title":"Commutation failure prediction method, device and storage medium based on energy accumulation features of inverter","assignee":null,"inventors":[],"filing_date":"2021-07-10T00:00:00.000Z","publication_date":"2022-04-12T00:00:00.000Z","cpc_codes":["H02J","H02J","H02M","H02M","H02M","H02M","H02M","H02M","H02M"],"num_claims":15,"abstract":"The disclosure discloses a commutation failure prediction method, device and storage medium based on energy accumulation features of inverter. The method includes the following steps: collecting instantaneous values of three-phase valve side current and calculating the derivatives of the three-phase valve side current according to the instantaneous values of three-phase valve side current; the derivative includes positive, negative and zero states; according to the derivatives of the three-phase valve side current, determining the locations of incoming valve and ongoing valve; based on the valve side current of the incoming valve and ongoing valve, calculating energy accumulation features of the 12-pulse inverter; predicting whether the commutation failure from the incoming valve to the ongoing valve will happen according to the states of the derivatives of the three-phase valve side current and the energy accumulation features of the 12-pulse inverter."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Commutation failure prediction method, device and storage medium based on energy accumulation features of inverter","description":"The disclosure discloses a commutation failure prediction method, device and storage medium based on energy accumulation features of inverter. The method includes the following steps: collecting insta","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11303129","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-11303129","citation_suggestion":"Patentable. \"Commutation failure prediction method, device and storage medium based on energy accumulation features of inverter\" (US-11303129). https://patentable.app/patents/US-11303129","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11303129","json":"https://patentable.app/api/llm-context/US-11303129","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T08:28:33.141Z"}