{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9735619","patent":{"patent_number":"US-9735619","title":"Power conversion device","assignee":null,"inventors":[],"filing_date":"2012-08-21T00:00:00.000Z","publication_date":"2017-08-15T00:00:00.000Z","cpc_codes":["H02J","H02J","H02J","H02J","H02J","H02J","H02J","H02J","H02J","H02M","H02M"],"num_claims":9,"abstract":"A power conversion device connected between a storage battery and AC system charges the storage battery with power from the AC system and discharges power from the storage battery to the AC system. The power conversion device includes a DC/DC conversion circuit performing conversion between a storage battery voltage and DC bus voltage, a DC/AC conversion circuit performing conversion between the DC bus voltage and AC voltage of the AC system, and control circuits controlling the DC/DC and DC/AC conversion circuits. The control circuits select either step-up control or step-down control for the DC/DC conversion circuit based on the storage battery voltage, the storage battery charge state, and a control range of the DC bus voltage, set a control target value of the DC bus voltage, and control the DC/DC and DC/AC conversion circuits by the selected control method so the DC bus voltage becomes the control target value."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Power conversion device","description":"A power conversion device connected between a storage battery and AC system charges the storage battery with power from the AC system and discharges power from the storage battery to the AC system. Th","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9735619","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-9735619","citation_suggestion":"Patentable. \"Power conversion device\" (US-9735619). https://patentable.app/patents/US-9735619","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9735619","json":"https://patentable.app/api/llm-context/US-9735619","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T12:37:28.495Z"}