{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8542502","patent":{"patent_number":"US-8542502","title":"Electrical power conversion apparatus","assignee":null,"inventors":[],"filing_date":"2009-05-28T00:00:00.000Z","publication_date":"2013-09-24T00:00:00.000Z","cpc_codes":["H02M","H02M"],"num_claims":15,"abstract":"An electrical conversion apparatus including a converter and an inverter comprises a capacitor that stores a DC electrical power; a ripple detection unit that detects a ripple of an active power that is output from the inverter; a voltage measuring instrument that measures a voltage across the capacitor; a DC voltage command generation unit that calculates a command value of the voltage across the capacitor according to a frequency of the AC voltage output from the inverter; and a DC voltage control unit that receives the voltage measured by the voltage measuring instrument and the command value calculated by the DC voltage command generation unit, to control the converter so that the voltage across the capacitor becomes the command value, wherein the DC voltage command generation unit makes the command value of the voltage across the capacitor higher than usual, within a predetermined range including a frequency of a ripple component of the voltage across the capacitor."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Electrical power conversion apparatus","description":"An electrical conversion apparatus including a converter and an inverter comprises a capacitor that stores a DC electrical power; a ripple detection unit that detects a ripple of an active power that ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8542502","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-8542502","citation_suggestion":"Patentable. \"Electrical power conversion apparatus\" (US-8542502). https://patentable.app/patents/US-8542502","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8542502","json":"https://patentable.app/api/llm-context/US-8542502","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T14:07:11.971Z"}