Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2037463731', 'doi': 'https://doi.org/10.1109/tpel.2013.2260178', 'title': 'H6 Transformerless Full-Bridge PV Grid-Tied Inverters', 'display_name': 'H6 Transformerless Full-Bridge PV Grid-Tied Inverters', 'publication_year': 2013, 'publication_date': '2013-05-07', 'ids': {'openalex': 'https://openalex.org/W2037463731', 'doi': 'https://doi.org/10.1109/tpel.2013.2260178', 'mag': '2037463731'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1109/tpel.2013.2260178', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S29875816', 'display_name': 'IEEE Transactions on Power Electronics', 'issn_l': '0885-8993', 'issn': ['0885-8993', '1941-0107'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310319808', 'host_organization_name': 'Institute of Electrical and Electronics Engineers', 'host_organization_lineage': ['https://openalex.org/P4310319808'], 'host_organization_lineage_names': ['Institute of Electrical and Electronics Engineers'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['crossref'], 'open_access': {'is_oa': False, 'oa_status': 'closed', 'oa_url': None, 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5100425772', 'display_name': 'Li Zhang', 'orcid': 'https://orcid.org/0000-0003-4277-0591'}, 'institutions': [{'id': 'https://openalex.org/I99065089', 'display_name': 'Tsinghua University', 'ror': 'https://ror.org/03cve4549', 'country_code': 'CN', 'type': 'education', 'lineage': ['https://openalex.org/I99065089']}], 'countries': ['CN'], 'is_corresponding': False, 'raw_author_name': 'None Li Zhang', 'raw_affiliation_strings': ['Dept. of Electr. Eng., Tsinghua Univ., Beijing, China#TAB#'], 'affiliations': [{'raw_affiliation_string': 'Dept. of Electr. Eng., Tsinghua Univ., Beijing, China#TAB#', 'institution_ids': ['https://openalex.org/I99065089']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5062750482', 'display_name': 'Kai Sun', 'orcid': 'https://orcid.org/0000-0003-3443-4061'}, 'institutions': [{'id': 'https://openalex.org/I99065089', 'display_name': 'Tsinghua University', 'ror': 'https://ror.org/03cve4549', 'country_code': 'CN', 'type': 'education', 'lineage': ['https://openalex.org/I99065089']}], 'countries': ['CN'], 'is_corresponding': False, 'raw_author_name': 'None Kai Sun', 'raw_affiliation_strings': ['Dept. of Electr. Eng., Tsinghua Univ., Beijing, China#TAB#'], 'affiliations': [{'raw_affiliation_string': 'Dept. of Electr. Eng., Tsinghua Univ., Beijing, China#TAB#', 'institution_ids': ['https://openalex.org/I99065089']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5074725434', 'display_name': 'Yan Xing', 'orcid': 'https://orcid.org/0000-0003-4445-5261'}, 'institutions': [{'id': 'https://openalex.org/I9842412', 'display_name': 'Nanjing University of Aeronautics and Astronautics', 'ror': 'https://ror.org/01scyh794', 'country_code': 'CN', 'type': 'education', 'lineage': ['https://openalex.org/I9842412']}], 'countries': ['CN'], 'is_corresponding': False, 'raw_author_name': 'None Yan Xing', 'raw_affiliation_strings': ['Jiangsu Key Lab. of Renewable Energy Generation & Power Conversion, Nanjing Univ. of Aeronaut. & Astronaut., Nanjing, China'], 'affiliations': [{'raw_affiliation_string': 'Jiangsu Key Lab. of Renewable Energy Generation & Power Conversion, Nanjing Univ. of Aeronaut. & Astronaut., Nanjing, China', 'institution_ids': ['https://openalex.org/I9842412']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5101285160', 'display_name': 'Mu Xing', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I17442442', 'display_name': 'State Grid Corporation of China (China)', 'ror': 'https://ror.org/05twwhs70', 'country_code': 'CN', 'type': 'company', 'lineage': ['https://openalex.org/I17442442']}], 'countries': ['CN'], 'is_corresponding': False, 'raw_author_name': 'None Mu Xing', 'raw_affiliation_strings': ['State Grid Corp. of China, Xuancheng, China'], 'affiliations': [{'raw_affiliation_string': 'State Grid Corp. of China, Xuancheng, China', 'institution_ids': ['https://openalex.org/I17442442']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 3, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': None, 'apc_paid': None, 'fwci': 15.048, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 333, 'citation_normalized_percentile': {'value': 0.999985, 'is_in_top_1_percent': True, 'is_in_top_10_percent': True}, 'cited_by_percentile_year': {'min': 99, 'max': 100}, 'biblio': {'volume': '29', 'issue': '3', 'first_page': '1229', 'last_page': '1238'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10228', 'display_name': 'Multilevel Inverters and Converters', 'score': 0.9999, 'subfield': {'id': 'https://openalex.org/subfields/2208', 'display_name': 'Electrical and Electronic Engineering'}, 'field': {'id': 'https://openalex.org/fields/22', 'display_name': 'Engineering'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, 'topics': [{'id': 'https://openalex.org/T10228', 'display_name': 'Multilevel Inverters and Converters', 'score': 0.9999, 'subfield': {'id': 'https://openalex.org/subfields/2208', 'display_name': 'Electrical and Electronic Engineering'}, 'field': {'id': 'https://openalex.org/fields/22', 'display_name': 'Engineering'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, {'id': 'https://openalex.org/T10223', 'display_name': 'Microgrid Control and Optimization', 'score': 0.9996, 'subfield': {'id': 'https://openalex.org/subfields/2207', 'display_name': 'Control and Systems Engineering'}, 'field': {'id': 'https://openalex.org/fields/22', 'display_name': 'Engineering'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, {'id': 'https://openalex.org/T10468', 'display_name': 'Photovoltaic System Optimization Techniques', 'score': 0.9995, 'subfield': {'id': 'https://openalex.org/subfields/2105', 'display_name': 'Renewable Energy, Sustainability and the Environment'}, 'field': {'id': 'https://openalex.org/fields/21', 'display_name': 'Energy'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/leakage', 'display_name': 'Leakage (economics)', 'score': 0.56003153}], 'concepts': [{'id': 'https://openalex.org/C199845137', 'wikidata': 'https://www.wikidata.org/wiki/Q145490', 'display_name': 'Network topology', 'level': 2, 'score': 0.8487178}, {'id': 'https://openalex.org/C11190779', 'wikidata': 'https://www.wikidata.org/wiki/Q664575', 'display_name': 'Inverter', 'level': 3, 'score': 0.6897644}, {'id': 'https://openalex.org/C184720557', 'wikidata': 'https://www.wikidata.org/wiki/Q7825049', 'display_name': 'Topology (electrical circuits)', 'level': 2, 'score': 0.68147093}, {'id': 'https://openalex.org/C41291067', 'wikidata': 'https://www.wikidata.org/wiki/Q1897785', 'display_name': 'Photovoltaic system', 'level': 2, 'score': 0.65714705}, {'id': 'https://openalex.org/C2777042071', 'wikidata': 'https://www.wikidata.org/wiki/Q6509304', 'display_name': 'Leakage (economics)', 'level': 2, 'score': 0.56003153}, {'id': 'https://openalex.org/C187691185', 'wikidata': 'https://www.wikidata.org/wiki/Q2020720', 'display_name': 'Grid', 'level': 2, 'score': 0.54103017}, {'id': 'https://openalex.org/C24326235', 'wikidata': 'https://www.wikidata.org/wiki/Q126095', 'display_name': 'Electronic engineering', 'level': 1, 'score': 0.5187076}, {'id': 'https://openalex.org/C41008148', 'wikidata': 'https://www.wikidata.org/wiki/Q21198', 'display_name': 'Computer science', 'level': 0, 'score': 0.4464155}, {'id': 'https://openalex.org/C163258240', 'wikidata': 'https://www.wikidata.org/wiki/Q25342', 'display_name': 'Power (physics)', 'level': 2, 'score': 0.4302813}, {'id': 'https://openalex.org/C127413603', 'wikidata': 'https://www.wikidata.org/wiki/Q11023', 'display_name': 'Engineering', 'level': 0, 'score': 0.37848872}, {'id': 'https://openalex.org/C119599485', 'wikidata': 'https://www.wikidata.org/wiki/Q43035', 'display_name': 'Electrical engineering', 'level': 1, 'score': 0.29898688}, {'id': 'https://openalex.org/C165801399', 'wikidata': 'https://www.wikidata.org/wiki/Q25428', 'display_name': 'Voltage', 'level': 2, 'score': 0.16969162}, {'id': 'https://openalex.org/C121332964', 'wikidata': 'https://www.wikidata.org/wiki/Q413', 'display_name': 'Physics', 'level': 0, 'score': 0.0988383}, {'id': 'https://openalex.org/C33923547', 'wikidata': 'https://www.wikidata.org/wiki/Q395', 'display_name': 'Mathematics', 'level': 0, 'score': 0.09560785}, {'id': 'https://openalex.org/C31258907', 'wikidata': 'https://www.wikidata.org/wiki/Q1301371', 'display_name': 'Computer network', 'level': 1, 'score': 0.07013017}, {'id': 'https://openalex.org/C2524010', 'wikidata': 'https://www.wikidata.org/wiki/Q8087', 'display_name': 'Geometry', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C62520636', 'wikidata': 'https://www.wikidata.org/wiki/Q944', 'display_name': 'Quantum mechanics', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C162324750', 'wikidata': 'https://www.wikidata.org/wiki/Q8134', 'display_name': 'Economics', 'level': 0, 'score': 0.0}, {'id': 'https://openalex.org/C139719470', 'wikidata': 'https://www.wikidata.org/wiki/Q39680', 'display_name': 'Macroeconomics', 'level': 1, 'score': 0.0}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1109/tpel.2013.2260178', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S29875816', 'display_name': 'IEEE Transactions on Power Electronics', 'issn_l': '0885-8993', 'issn': ['0885-8993', '1941-0107'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310319808', 'host_organization_name': 'Institute of Electrical and Electronics Engineers', 'host_organization_lineage': ['https://openalex.org/P4310319808'], 'host_organization_lineage_names': ['Institute of Electrical and Electronics Engineers'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [{'id': 'https://metadata.un.org/sdg/7', 'score': 0.83, 'display_name': 'Affordable and clean energy'}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 24, 'referenced_works': ['https://openalex.org/W2035229723', 'https://openalex.org/W2039514495', 'https://openalex.org/W2080401934', 'https://openalex.org/W2089158133', 'https://openalex.org/W2097847386', 'https://openalex.org/W2100096355', 'https://openalex.org/W2104831662', 'https://openalex.org/W2105059208', 'https://openalex.org/W2106278471', 'https://openalex.org/W2106482668', 'https://openalex.org/W2114119139', 'https://openalex.org/W2118384007', 'https://openalex.org/W2121782361', 'https://openalex.org/W2123943935', 'https://openalex.org/W2127744857', 'https://openalex.org/W2134297518', 'https://openalex.org/W2141710607', 'https://openalex.org/W2146819726', 'https://openalex.org/W2156766527', 'https://openalex.org/W2163797930', 'https://openalex.org/W2167106294', 'https://openalex.org/W2167923034', 'https://openalex.org/W2389106966', 'https://openalex.org/W2491172893'], 'related_works': ['https://openalex.org/W4362514067', 'https://openalex.org/W4320012129', 'https://openalex.org/W4312747056', 'https://openalex.org/W3148284432', 'https://openalex.org/W3082530497', 'https://openalex.org/W2384022998', 'https://openalex.org/W2163428336', 'https://openalex.org/W2030541034', 'https://openalex.org/W1983578640', 'https://openalex.org/W129735365'], 'abstract_inverted_index': {'Transformerless': [0], 'inverters': [1], 'are': [2, 113], 'widely': [3], 'used': [4], 'in': [5, 40, 139, 162], 'grid-tied': [6], 'photovoltaic': [7], '(PV)': [8], 'generation': [9], 'systems,': [10], 'due': [11], 'to': [12, 29], 'the': [13, 31, 41, 61, 76, 87, 116, 118, 121, 152, 157, 172], 'benefits': [14], 'of': [15, 34, 49, 86, 141, 171, 182], 'achieving': [16], 'high': [17], 'efficiency': [18, 143, 179], 'and': [19, 60, 69, 75, 103, 109, 120, 144, 156], 'low': [20, 55], 'cost.': [21], 'Various': [22], 'transformerless': [23, 51], 'inverter': [24, 52, 71, 90], 'topologies': [25, 53, 91, 133], 'have': [26], 'been': [27, 81], 'proposed': [28, 77, 88, 122, 153], 'meet': [30], 'safety': [32], 'requirement': [33], 'leakage': [35, 56, 145, 163], 'currents,': [36, 164], 'such': [37], 'as': [38, 83, 94], 'specified': [39], 'VDE-4105': [42], 'standard.': [43], 'In': [44], 'this': [45], 'paper,': [46], 'a': [47], 'family': [48], 'H6': [50, 78, 89, 123, 154], 'with': [54, 100], 'currents': [57, 146], 'is': [58, 92, 128, 166], 'proposed,': [59], 'intrinsic': [62], 'relationship': [63], 'between': [64], 'H5': [65, 173, 183], 'topology,': [66, 74, 174], 'highly': [67], 'efficient': [68], 'reliable': [70], 'concept': [72], '(HERIC)': [73], 'topology': [79, 155], 'has': [80], 'discussed': [82], 'well.': [84], 'One': [85], 'taken': [93], 'an': [95], 'example': [96], 'for': [97, 130, 135], 'detail': [98], 'analysis': [99], 'operation': [101], 'modes': [102], 'modulation': [104], 'strategy.': [105], 'The': [106], 'power': [107, 110, 142], 'losses': [108], 'device': [111], 'costs': [112], 'compared': [114], 'among': [115], 'H5,': [117], 'HERIC,': [119], 'topologies.': [124], 'A': [125], 'universal': [126], 'prototype': [127], 'built': [129], 'these': [131], 'three': [132], 'mentioned': [134], 'evaluating': [136], 'their': [137], 'performances': [138], 'terms': [140], 'characteristics.': [147], 'Experimental': [148], 'results': [149], 'show': [150], 'that': [151, 170, 181], 'HERIC': [158], 'achieve': [159], 'similar': [160], 'performance': [161], 'which': [165], 'slightly': [167], 'worse': [168], 'than': [169, 180], 'but': [175], 'it': [176], 'features': [177], 'higher': [178], 'topology.': [184]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2037463731', 'counts_by_year': [{'year': 2024, 'cited_by_count': 12}, {'year': 2023, 'cited_by_count': 25}, {'year': 2022, 'cited_by_count': 30}, {'year': 2021, 'cited_by_count': 25}, {'year': 2020, 'cited_by_count': 41}, {'year': 2019, 'cited_by_count': 37}, {'year': 2018, 'cited_by_count': 38}, {'year': 2017, 'cited_by_count': 40}, {'year': 2016, 'cited_by_count': 42}, {'year': 2015, 'cited_by_count': 24}, {'year': 2014, 'cited_by_count': 16}, {'year': 2013, 'cited_by_count': 1}], 'updated_date': '2024-12-18T05:28:09.256182', 'created_date': '2016-06-24'}