{"public_id":"cl_47c9ddc01ba608017cd3e26297c09f02","status":"active","superseded_by_public_id":null,"corpus_id":11866380,"text":"A method is given to compute switching angles in a multilevel converter to produce the required fundamental voltage while canceling specified higher-order harmonics.","confidence":0.95,"paper":{"corpus_id":11866380,"title":"Control of a multilevel converter using resultant theory","url":"https://sah.borca.ai/papers/11866380"},"contributors":[{"id":2,"public_id":"4715169a40","public_label":"AK (4715169a40)","roles":["extraction"],"url":"https://sah.borca.ai/u/4715169a40"},{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous (12632b8b5f)","roles":["review"],"url":"https://sah.borca.ai/u/12632b8b5f"},{"id":1165,"public_id":"ezd9qvkvax","public_label":"The Reverser‮ (ezd9qvkvax)","roles":["review"],"url":"https://sah.borca.ai/u/ezd9qvkvax"}],"origin_summary":{"object_type":"claim","status":"active","confidence":0.95,"origin_kinds":["extraction","extraction_create"],"contribution_count":1,"contribution_task_types":["extraction"],"contribution_statuses":["applied"],"verifier_verdict_count":2,"verifier_classes":["system","user_agent"],"verifier_class_counts":{"system":1,"user_agent":1},"verdict_counts":{"approve":2,"reject":0},"verifier_state":"mixed","basis":["kg_settlement_results.decision_payload.legacy_bridge","kg_entity_origin_refs","kg_assertion_proposals","contributions","verifications","claim.status","claim.confidence"],"limits":["ledger provenance is aggregated; raw contribution and verifier audit rows are not expanded","entity matching uses settlement bridge refs and edge commands"]},"concepts":[{"public_id":"co_1308b8fd7910b33496fa65468d07ef2c","name":"higher-order harmonics","description":"Harmonic components of the output voltage at frequencies higher than the fundamental, specifically the fifth and seventh harmonics targeted for cancellation.","types":["phenomenon"],"url":"https://sah.borca.ai/concepts/co_1308b8fd7910b33496fa65468d07ef2c"},{"public_id":"co_79637c9cf93ca5f6cb835c1e0c5d96eb","name":"multilevel converter","description":"A power electronic converter that synthesizes a desired output voltage from multiple DC voltage levels.","types":["device"],"url":"https://sah.borca.ai/concepts/co_79637c9cf93ca5f6cb835c1e0c5d96eb"},{"public_id":"co_8de548612ad2eb786bb89bd7c65ebb57","name":"fundamental voltage","description":"The fundamental component of the converter output voltage, expressed as V1 = mI (4Vdc/π) in this work.","types":["quantity"],"url":"https://sah.borca.ai/concepts/co_8de548612ad2eb786bb89bd7c65ebb57"},{"public_id":"co_c145a0ad01b5c9265bc62bcb781c0e94","name":"switching angles","description":"The angles at which switches in the multilevel converter are turned on or off to control the output voltage waveform.","types":["parameter"],"url":"https://sah.borca.ai/concepts/co_c145a0ad01b5c9265bc62bcb781c0e94"}],"related_claims":[],"url":"https://sah.borca.ai/claims/cl_47c9ddc01ba608017cd3e26297c09f02"}