{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9787210","patent":{"patent_number":"US-9787210","title":"Precharging apparatus and power converter","assignee":null,"inventors":[],"filing_date":"2015-01-14T00:00:00.000Z","publication_date":"2017-10-10T00:00:00.000Z","cpc_codes":["H02M","H02M","H02M"],"num_claims":13,"abstract":"Precharging systems and methods are presented for precharging a DC bus circuit in a power conversion system, in which precharging current is connected through a precharging resistance coupled between only a single AC input line and the DC bus circuit when the DC bus voltage is less than a non-zero threshold, and a controller individually activates controllable rectifier switching devices when the DC bus voltages greater than or equal to the threshold using DC gating or pulse width modulation to selectively provide a bypass path around the precharging resistance for normal load currents in the power conversion system."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Precharging apparatus and power converter","description":"Precharging systems and methods are presented for precharging a DC bus circuit in a power conversion system, in which precharging current is connected through a precharging resistance coupled between ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9787210","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-9787210","citation_suggestion":"Patentable. \"Precharging apparatus and power converter\" (US-9787210). https://patentable.app/patents/US-9787210","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9787210","json":"https://patentable.app/api/llm-context/US-9787210","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T15:32:12.958Z"}