{"id":1504,"date":"2026-07-22T05:33:27","date_gmt":"2026-07-22T05:33:27","guid":{"rendered":"https:\/\/lstransformer.com\/how-is-the-ac-magnetization-curve-defined-for-silicon-steel-sheets\/"},"modified":"2026-09-27T09:11:34","modified_gmt":"2026-09-27T09:11:34","slug":"how-is-the-ac-magnetization-curve-defined-for-silicon-steel-sheets","status":"publish","type":"post","link":"https:\/\/www.lstransformer.com\/ru\/how-is-the-ac-magnetization-curve-defined-for-silicon-steel-sheets\/","title":{"rendered":"How is the AC magnetization curve defined for silicon steel sheets?"},"content":{"rendered":"

How is the AC magnetization curve defined for silicon steel sheets?<\/b><\/h1>\n

Silicon steel sheets\u00a0are widely used in power transformers and electrical machines, and their magnetic properties directly affect the efficiency and performance of the equipment. When studying the magnetic properties of silicon steel sheets, the AC magnetization curve (B-H curve) is a crucial concept and tool. So, how is the AC magnetization curve of silicon steel sheets defined?<\/p>\n

TheAC magnetization curve\u00a0of silicon steel sheets is obtained by applying an alternating magnetic field to a demagnetized sample and gradually increasing the magnetic field strength. As the applied AC magnetic field increases, the peak value of the corresponding AC magnetic induction (magnetic flux density) is measured and recorded. This relationship between the AC magnetic field (in effective value) and the peak magnetic induction is plotted to form the AC magnetization curve, also known as theB-H curve.<\/p>\n

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Specifically, the definition and acquisition process of the AC magnetization curve can be divided into the following steps:<\/p>\n

Concrete Step<\/strong><\/h2>\n

1. Demagnetization Treatment:<\/em><\/h3>\n

Before measuring theAC magnetization curve, the silicon steel sheet sample must undergo demagnetization. The purpose of demagnetization is to eliminate any residual magnetization in the sample, bringing it to a demagnetized state.Demagnetization\u00a0is typically achieved using a gradually decreasing alternating magnetic field, ensuring that the sample\u2019s magnetization characteristics are reset to their initial state.<\/p>\n

2. Gradual Increase of AC Magnetization Field:<\/em><\/h3>\n

After demagnetization, the sample is magnetized by applying an alternating magnetic field. This external magnetic field is gradually increased, typically starting from zero and rising to the desiredmaximum value.\u00a0The effective value (RMS value) of the applied AC magnetic field is a critical parameter, representing the actual strength of the magnetic field.<\/p>\n

3. Measurement of Magnetic Induction:<\/em><\/h3>\n

While applying the alternating magnetic field, the peak value of the AC magnetic induction (B) generated in the silicon steel sheet sample is measured.Magnetic induction\u00a0refers to the internal magnetic flux density of the material under the influence of the magnetic field, with the peak value indicating the maximum value of magnetic induction within one AC cycle.<\/p>\n

\"\"<\/a><\/p>\n

4. Plotting the B-H Curve:<\/em><\/h3>\n

The measured effective value of the AC magnetic field (H) and the corresponding peak magnetic induction (B) are plotted as coordinate points on a graph. Connecting these points produces a continuous curve known as theAC magnetization curve (B-H curve). This curve describes the magnetization characteristics of the silicon steel sheet under an alternating magnetic field.<\/p>\n

The importance of the AC magnetization curve lies in its ability to reflect the magnetic performance of silicon steel sheets under actual operating conditions. For instance, the shape and area of the B-H curve can be used to assess parameters such as hysteresis loss and magnetic permeability, which are crucial for the design and performance optimization of power transformers and electrical machines.<\/p>\n

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In practical applications, the B-H curve of silicon steel sheets may vary under different frequencies and temperature conditions. Therefore, when measuring and using the AC magnetization curve, it is important to consider how changes in operating conditions affect magnetic performance to ensure optimal performance of the silicon steel material in specific applications. In summary, theAC magnetization curve\u00a0of silicon steel sheets defines the relationship between magnetic induction and magnetic field strength under an alternating magnetic field and is an essential tool for studying and optimizing the magnetic properties of silicon steel sheets.<\/p>\n

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\u041a\u043e\u043d\u0442\u0430\u043a\u0442\u044b<\/h2>\n

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\u0423\u0437\u043d\u0430\u0439\u0442\u0435 \u0431\u043e\u043b\u044c\u0448\u0435 \u043e \u0441\u0438\u043b\u043e\u0432\u043e\u043c \u0442\u0440\u0430\u043d\u0441\u0444\u043e\u0440\u043c\u0430\u0442\u043e\u0440\u0435 \u0438 \u0440\u0435\u0430\u043a\u0442\u043e\u0440\u0435: www.lstransformer.com<\/a>.<\/p>\n

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How is the AC magnetization curve defined for silicon steel sheets? Silicon steel sheets\u00a0are widely used in power transformers and electrical machines, and their magnetic properties directly affect the efficiency and performance of the equipment. When studying the magnetic properties of silicon steel sheets, the AC magnetization curve (B-H curve) is a crucial concept and […]<\/p>\n","protected":false},"author":3,"featured_media":2110,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[48],"tags":[],"class_list":["post-1504","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-faq"],"yoast_head":"\nHow is the AC magnetization curve defined for silicon steel sheets? - LS power transformer, Line reactor, High-voltage transformer, Oil-immersed transformer-CHANGSHA LUSHAN ELECTRONIC TECHNOLOGY CO.,LTD<\/title>\n<meta name=\"description\" content=\"Silicon steel sheets\u00a0are widely used in power transformers and electrical machines, and their magnetic properties directly affect the efficiency and performance of the equipment. When studying the magnetic properties of silicon steel sheets, the AC magnetization curve (B-H curve) is a crucial concept and tool. 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