{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9755546","patent":{"patent_number":"US-9755546","title":"PWM controlled neutral point clamped multilevel converter","assignee":null,"inventors":[],"filing_date":"2012-11-21T00:00:00.000Z","publication_date":"2017-09-05T00:00:00.000Z","cpc_codes":["H02M","H02M"],"num_claims":7,"abstract":"A neutral point clamped, multilevel level converter includes a DC voltage link; a first capacitor coupling one side of the DC link to a neutral point; a second capacitor coupling another side of the DC link to the neutral point; a plurality of phase legs, each phase leg including switches, each phase leg coupled to an AC node; a current sensor associated with each AC node; and a controller generating a PWM signal to control the switches, the controller generating a current zero sequence component in response to current sensed at each of the current sensors, the controller adjusting a modulation index signal in response to the current zero sequence component to produce the PWM signal."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"PWM controlled neutral point clamped multilevel converter","description":"A neutral point clamped, multilevel level converter includes a DC voltage link; a first capacitor coupling one side of the DC link to a neutral point; a second capacitor coupling another side of the D","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9755546","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-9755546","citation_suggestion":"Patentable. \"PWM controlled neutral point clamped multilevel converter\" (US-9755546). https://patentable.app/patents/US-9755546","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9755546","json":"https://patentable.app/api/llm-context/US-9755546","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T10:14:44.265Z"}