{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9685884","patent":{"patent_number":"US-9685884","title":"Seven-level inverter apparatus","assignee":null,"inventors":[],"filing_date":"2013-07-01T00:00:00.000Z","publication_date":"2017-06-20T00:00:00.000Z","cpc_codes":["H02M","H02M","H02M","H02M"],"num_claims":5,"abstract":"It is composed of a three-phase three-level inverter 1, three single-phase five-level inverters 2, each of which is connected in series with an output of each phase of the three-phase three-level inverter 1, and pulse width modulation control means 8 provided for each phase which supplies gate pulses to the three-level inverter 1 and the single-phase five-level inverter 2 of the relevant phase. State transition means 84 which determines an output of a switching leg of the three-level inverter 1, and outputs of outside and inside switching legs of the single-phase five-level inverter based on transition of a voltage level created by the pulse width modulation control means 8, makes all of the three outputs of the three-level inverter 1, and the outside and inside switching legs of the single-phase five-level inverter 2 0 or positive, when the voltage level is positive, makes all of the outputs of these three legs 0 or negative, when the voltage level is negative, and makes all of the outputs of these three legs 0, when the voltage level is 0."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Seven-level inverter apparatus","description":"It is composed of a three-phase three-level inverter 1, three single-phase five-level inverters 2, each of which is connected in series with an output of each phase of the three-phase three-level inve","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9685884","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-9685884","citation_suggestion":"Patentable. \"Seven-level inverter apparatus\" (US-9685884). https://patentable.app/patents/US-9685884","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9685884","json":"https://patentable.app/api/llm-context/US-9685884","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T09:29:39.018Z"}