{"id":"W3094984879","doi":"10.1109/access.2020.3035840","title":"Voltage Source Converters Connected to Very Weak Grids: Accurate Dynamic Modeling, Small-Signal Analysis, and Stability Improvement","year":2020,"lang":"en","type":"article","venue":"IEEE Access","topic":"Microgrid Control and Optimization","field":"Engineering","cited_by":25,"is_retracted":false,"has_abstract":true,"ca_institutions":"Simon Fraser University","funders":"Natural Sciences and Engineering Research Council of Canada; Western Washington University","keywords":"Voltage source; Control theory (sociology); Interfacing; Computer science; Transfer function; Converters; Modal analysis; Grid; Electrical impedance; Electric power system; SIGNAL (programming language); Power (physics); Voltage; Engineering; Mathematics; Physics; Finite element method","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.00009704586,0.0002073609,0.0003089532,0.0001075614,0.00005844788,0.0002008922,0.0002651767,0.0000682043,0.0000913966],"category_scores_gemma":[0.00001753652,0.0002085426,0.00007972918,0.0005124952,0.00001659045,0.0002618485,0.00006994842,0.000135334,0.000008319455],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00005868542,"about_ca_system_score_gemma":0.00001761299,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0002395091,"about_ca_topic_score_gemma":0.0003799793,"domain_scores_codex":[0.9989204,0.00002148388,0.0003151136,0.0003537714,0.0001205019,0.0002687238],"domain_scores_gemma":[0.999451,0.00002875428,0.00004229185,0.0001934884,0.00007882473,0.0002056341],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"simulation_or_modeling","study_design_gemma":"simulation_or_modeling","study_design_scores_codex":[0.00005979232,0.00001302779,0.0009293943,0.00007848209,0.0003481618,0.000002247317,0.0004060133,0.9307238,0.05624907,0.000001200856,0.0001087457,0.01108001],"study_design_scores_gemma":[0.0005261934,0.00004375685,0.0003378986,0.000007175064,0.0002127749,3.493849e-7,0.0001012884,0.9919256,0.006458543,0.000007960442,0.000131329,0.0002471312],"study_design_candidate":"simulation_or_modeling","study_design_consensus":"simulation_or_modeling","genre_codex":"methods","genre_gemma":"empirical","genre_scores_codex":[0.4781144,0.0001536721,0.5211256,0.0001079766,0.00008525406,0.0002061654,0.00002732442,0.0001662967,0.00001330515],"genre_scores_gemma":[0.999097,0.00009013245,0.0001874501,0.0004526857,0.00005940832,0.00003388112,0.00004754472,0.00002703921,0.000004880683],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.5209826,"threshold_uncertainty_score":0.8504122,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01628161122357438,"score_gpt":0.2238971419617294,"score_spread":0.2076155307381551,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}