{"id":189168,"date":"2024-06-25T09:51:44","date_gmt":"2024-06-25T07:51:44","guid":{"rendered":"https:\/\/www.rse-web.it\/pubblicazioni\/the-use-of-voltage-transformers-for-the-measurement-of-power-system-subharmonics-in-compliance-with-international-standards\/"},"modified":"2024-07-02T14:19:27","modified_gmt":"2024-07-02T12:19:27","slug":"the-use-of-voltage-transformers-for-the-measurement-of-power-system-subharmonics-in-compliance-with-international-standards","status":"publish","type":"pubblicazioni","link":"https:\/\/www.rse-web.it\/en\/publications\/the-use-of-voltage-transformers-for-the-measurement-of-power-system-subharmonics-in-compliance-with-international-standards\/","title":{"rendered":"The Use of Voltage Transformers for the Measurement of Power System Subharmonics in Compliance With International Standards"},"content":{"rendered":"<p class=\"last-updated-date\">Recently updated on July 2nd, 2024 at 02:19 pm<\/p>","protected":false},"excerpt":{"rendered":"<p>The measurement of subharmonics in distribution systems requires measuring transformers to reduce the voltage and current to levels compatible with the low-voltage input of Power Quality instruments. Considering the case of a constant supply frequency of 50 Hz, subharmonics with a frequency that is not an integer multiple of 5 Hz could introduce inaccuracies in the measurements due to spectral dispersion. This work investigates the additional error contributions that may be introduced by voltage transformers used at the input of a power quality instrument to measure subharmonics in accordance with international standards.<\/p>\n","protected":false},"author":93,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"tags":[1324,1408,1377],"targets":[1314,1317],"pubblicazioni_tipologie":[773],"class_list":["post-189168","pubblicazioni","type-pubblicazioni","status-publish","hentry","tag-electricity-network-en","tag-measurement-transformers","tag-monitoring-and-control","targets-press-media-en","targets-research","pubblicazioni_tipologie-isi-article-en"],"acf":{"dont_show_hompage":true,"projects":{"ID":189271,"post_author":"93","post_date":"2024-06-25 11:54:44","post_date_gmt":"2024-06-25 09:54:44","post_content":"<!-- wp:table -->\n<figure class=\"wp-block-table\"><table><tbody><tr><td><\/td><\/tr><\/tbody><\/table><\/figure>\n<!-- \/wp:table -->","post_title":"Measurement methods and test procedures for assessing accuracy of instrument transformers for power quality measurements","post_excerpt":"The project aims at developing of the metrological framework for the traceable calibration of ITs employed for PQ measurements in electricity grids, that which can be used as a basis for relevant future standardisation.","post_status":"publish","comment_status":"open","ping_status":"closed","post_password":"","post_name":"measurement-methods-and-test-procedures-for-assessing-accuracy-of-instrument-transformers-for-power-quality-measurements","to_ping":"","pinged":"","post_modified":"2024-06-26 16:57:51","post_modified_gmt":"2024-06-26 14:57:51","post_content_filtered":"","post_parent":0,"guid":"https:\/\/www.rse-web.it\/progetti\/measurement-methods-and-test-procedures-for-assessing-accuracy-of-instrument-transformers-for-power-quality-measurements\/","menu_order":0,"post_type":"progetti","post_mime_type":"","comment_count":"0","filter":"raw"},"order_posts":"","dont_show_search":false,"related_posts":false,"show_on_slider":false,"single_post_data":{"titolo_spot":"","post_content":"<p>The analysis is conducted through numerical simulations and experimental tests on two commercial voltage transformers based on different operating principles. The results show that using a voltage transformer to measure subharmonics, in accordance with international standards, may introduce additional errors higher than the ratio errors of the same device evaluated at subharmonic frequencies.<\/p>\n","scarica_file":false,"link_estreno":[{"link_text":"Download Publication","link":"https:\/\/ieeexplore.ieee.org\/document\/9877915"}],"button":{"text":"","link":""},"referente_group":false,"data_emissione":"2022-09-05","autori":"G. Crotti, P.S. Letizia (INRIM), G. D'Avanzo (RSE S.p.A.), M. Luiso (UniCamp)","destinazione":"IEEE Transactions on Instrumentation and Measurement, Vol. 71, September 5, 2022","rif_rse":"22000519"},"satellite_post_url":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>The Use of Voltage Transformers for the Measurement of Power System Subharmonics in Compliance With International Standards - RSE<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.rse-web.it\/en\/publications\/the-use-of-voltage-transformers-for-the-measurement-of-power-system-subharmonics-in-compliance-with-international-standards\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The Use of Voltage Transformers for the Measurement of Power System Subharmonics in Compliance With International Standards - RSE\" \/>\n<meta property=\"og:description\" content=\"The measurement of subharmonics in distribution systems requires measuring transformers to reduce the voltage and current to levels compatible with the low-voltage input of Power Quality instruments. 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