{"id":3153,"date":"2023-10-19T10:55:32","date_gmt":"2023-10-19T05:55:32","guid":{"rendered":"http:\/\/vestnik.polytech.tj\/?p=3153"},"modified":"2023-10-19T10:58:21","modified_gmt":"2023-10-19T05:58:21","slug":"investigation-of-transformer-no-load-losses-over-the-period-of-operation","status":"publish","type":"post","link":"https:\/\/vestnik.polytech.tj\/?p=3153&lang=en","title":{"rendered":"INVESTIGATION OF TRANSFORMER NO-LOAD LOSSES OVER THE PERIOD OF OPERATION"},"content":{"rendered":"

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Authors<\/span><\/strong><\/p>\n

         <\/strong>Ibatullin E.E.<\/strong> \u2013 postgraduate student, Department of Electrical Complexes and Systems, <\/em>Kazan State Power Engineering University, Kazan, Russia, ibatullinedick@yandex.ru<\/a><\/em><\/p>\n

Annotation<\/strong><\/span><\/p>\n

        The article examines the growth of no-load losses of transformers during the period of operation. Some of the main reasons for the occurrence of no-load losses in power transformers are considered, the basic formulas for calculating no-load losses are selected and specific data on losses in the transformer during their use for certain periods are considered. The results of experimental studies carried out at JSC «Togliatti transformer» are presented, where the technical parameters of transformers of the AORCT brand were measured, the service life of which was 18 years. Experimental studies have shown that transformer aging leads to an increase in no-load losses, sometimes very, very significant, depending on the operating conditions of the transformer and, especially, the quality of its repair during operation. It was found that power transformers during the period of operation increased no-load losses by 5.65-6.25%. It is concluded that the reduction of electricity losses in transformers of distribution networks can be achieved both by reducing no-load losses by replacing underloaded transformers, and by reducing load losses by optimal rearrangement of transformers.<\/em><\/p>\n

Key words<\/em><\/strong><\/span><\/p>\n

  transformer no-load losses, power transformer.<\/em><\/p>\n<\/div>\n<\/div>\n

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english<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

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technical<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

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2023<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

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References<\/strong><\/span><\/p>\n

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    1. Gracheva E.I., Ignatieva S.B. Optimum mode of operation of workshop transformers \/\/ Reliability and safety of power engineering. 2015. <\/em>\u0420<\/em>. 23-25.<\/em><\/li>\n
    2. Gracheva E.I., Naumov O.V., Fedotov E.A. Influence of the load capacity of power transformers on their operational characteristics \/\/ News of higher educational institutions. Energy problems. 2017. No. 7-8. pp. 71-77.<\/em><\/li>\n
    3. Gracheva E.I., Naumov O.V., Sadykov R.R. Analysis of the reliability of the operation of equipment for shop networks \/\/ Reliability and safety of energy. — 2016. — No. 2(33). — pp. 46\u201350.<\/em><\/li>\n
    4. Gracheva E.I., Sadykov R.R., Khusnutdinov R.R. Reliability and layout of low-voltage switchgears of intrashop power supply \/\/ Reliability of energy. 2016. <\/em>\u0420<\/em>. 4-8.<\/em><\/li>\n
    5. Gracheva E.I., Naumov O.V., Sadykov R.R. Accounting for the idling of transformers during operation when calculating electricity losses in distribution networks \/\/ Problems of energy. — 2016. — <\/em>\u0420<\/em>. 104-107.<\/em><\/li>\n
    6. Yarymbash S.T., Yarymbash D.S. Simulation of the idle mode of the transformer, taking into account the effect of hysteresis and eddy currents \/\/ Electrical engineering. <\/em>2019. \u0420. 15-18.<\/em><\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<\/div>\n<\/div>\n

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      Publication date<\/span><\/strong><\/h2>\n

      09\/22\/2023<\/p>\n<\/div>\n<\/div>\n

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      <\/p>\n","protected":false},"excerpt":{"rendered":"

      Authors          Ibatullin E.E. \u2013 postgraduate student, Department of Electrical Complexes and Systems, Kazan State Power Engineering University, Kazan, Russia, ibatullinedick@yandex.ru Annotation         The article examines the growth of no-load losses of transformers during the period of operation. Some of the main reasons for the occurrence of no-load losses in power transformers are considered, the basic formulas for calculating no-load losses are selected and specific data on losses in the transformer during their use for certain periods are considered. The results of experimental studies…<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[161],"tags":[372],"class_list":["post-3153","post","type-post","status-publish","format-standard","hentry","category-bulletin-of-pittu-2022","tag-bulletin-of-pittu-2022-1"],"acf":[],"featured_image_src":null,"author_info":{"display_name":"Ilhomjon Qodirov","author_link":"https:\/\/vestnik.polytech.tj\/?author=3"},"_links":{"self":[{"href":"https:\/\/vestnik.polytech.tj\/index.php?rest_route=\/wp\/v2\/posts\/3153","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vestnik.polytech.tj\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vestnik.polytech.tj\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vestnik.polytech.tj\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/vestnik.polytech.tj\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3153"}],"version-history":[{"count":3,"href":"https:\/\/vestnik.polytech.tj\/index.php?rest_route=\/wp\/v2\/posts\/3153\/revisions"}],"predecessor-version":[{"id":3156,"href":"https:\/\/vestnik.polytech.tj\/index.php?rest_route=\/wp\/v2\/posts\/3153\/revisions\/3156"}],"wp:attachment":[{"href":"https:\/\/vestnik.polytech.tj\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3153"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vestnik.polytech.tj\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3153"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vestnik.polytech.tj\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3153"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}