{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8493032","patent":{"patent_number":"US-8493032","title":"Bidirectional polyphase multimode converter including boost and buck-boost modes","assignee":null,"inventors":[],"filing_date":"2010-07-20T00:00:00.000Z","publication_date":"2013-07-23T00:00:00.000Z","cpc_codes":["H02J","H02J","H02J","H02J"],"num_claims":4,"abstract":"A charging method using a multiphase line voltage for charging an energy storage system (ESS) using a polyphase motor drive circuit communicated to a polyphase motor, the polyphase motor drive circuit including a plurality M of driver stages, one driver stage for each phase of the polyphase motor with each driver stage coupled across the energy storage system, the method including the steps of: (a) determining a charge mode responsive to a comparison of the multiphase line voltage to a voltage of the energy storage system, the determined charge mode including a boost mode when the voltage of the energy storage system has a first predetermined relationship to the multiphase line voltage and the determined charge mode including a boost-buck mode when the voltage of the energy storage system has a second predetermined relationship to the multiphase line voltage; (b) converting, when the charge mode includes the boost mode, the multiphase line voltage to a first charging voltage using a first set of N number of the plurality of driver stages, with N less than M, wherein the first charging voltage is communicated to the energy storage system, and wherein the first charging voltage is greater than the multiphase line voltage; and (c) converting, when the charge mode includes the boost-buck mode, the multiphase line voltage to a second charging voltage using a second set of P number of the plurality of driver stages when in the boost-buck mode, with P greater than N, wherein the second charging voltage is communicated to the energy storage system, and wherein the second charging voltage is less than the multiphase line voltage."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Bidirectional polyphase multimode converter including boost and buck-boost modes","description":"A charging method using a multiphase line voltage for charging an energy storage system (ESS) using a polyphase motor drive circuit communicated to a polyphase motor, the polyphase motor drive circuit","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8493032","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-8493032","citation_suggestion":"Patentable. \"Bidirectional polyphase multimode converter including boost and buck-boost modes\" (US-8493032). https://patentable.app/patents/US-8493032","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8493032","json":"https://patentable.app/api/llm-context/US-8493032","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T18:14:29.670Z"}