{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9831678","patent":{"patent_number":"US-9831678","title":"Method for black starting a power station comprising a plurality of inverters connectable to an AC electrical grid","assignee":null,"inventors":[],"filing_date":"2015-09-04T00:00:00.000Z","publication_date":"2017-11-28T00:00:00.000Z","cpc_codes":["H02J","H02J","H02M","H02J","H02J"],"num_claims":20,"abstract":"In a method for black start of a power station including a plurality of inventers connectable to a local AC electrical grid, a first AC voltage is built up in the AC electrical grid by a first inverter, said first AC voltage being reduced in comparison with a rated voltage of the AC electrical grid by at least a quarter, and at least one second inverter is connected to the AC electrical grid after synchronization with the first AC voltage. After connection of the second converter, a second AC voltage, which is higher than the first AC voltage, is built up in the AC electrical grid."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method for black starting a power station comprising a plurality of inverters connectable to an AC electrical grid","description":"In a method for black start of a power station including a plurality of inventers connectable to a local AC electrical grid, a first AC voltage is built up in the AC electrical grid by a first inverte","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9831678","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-9831678","citation_suggestion":"Patentable. \"Method for black starting a power station comprising a plurality of inverters connectable to an AC electrical grid\" (US-9831678). https://patentable.app/patents/US-9831678","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9831678","json":"https://patentable.app/api/llm-context/US-9831678","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T04:31:32.307Z"}