{"id":1131,"date":"2026-07-22T05:32:56","date_gmt":"2026-07-22T05:32:56","guid":{"rendered":"https:\/\/lstransformer.com\/how-to-reduce-transformer-no-load-loss-complete-guide-global-practices\/"},"modified":"2026-09-30T05:45:29","modified_gmt":"2026-09-30T05:45:29","slug":"how-to-reduce-transformer-no-load-loss-complete-guide-global-practices","status":"publish","type":"post","link":"https:\/\/www.lstransformer.com\/fr\/how-to-reduce-transformer-no-load-loss-complete-guide-global-practices\/","title":{"rendered":"How to Reduce Transformer No-Load Loss? Complete Guide & Global Practices"},"content":{"rendered":"

Dans le contexte global de la transition \u00e9nerg\u00e9tique et de l'efficacit\u00e9 \u00e9nerg\u00e9tique industrielle, la r\u00e9duction de transformateur non-perte de charge est devenue un \u00e9l\u00e9ment cl\u00e9 pour l'industrie de l'\u00e9nergie, les entreprises industrielles et commerciales les utilisateurs. Selon l'Agence Internationale de l'\u00c9nergie (AIE), la transmission et de la distribution des pertes repr\u00e9sentent environ 8% \u00e0 15% du total de la production mondiale d'\u00e9lectricit\u00e9, avec transformateur sans pertes de charge repr\u00e9sente une partie consid\u00e9rable de cette. Si vous exploitez les transformateurs de distribution, transformateurs de puissance, ou de transformateurs \u00e0 sec, l'optimisation n'performances de chargement peut directement r\u00e9duire vos co\u00fbts d'\u00e9lectricit\u00e9.<\/p>\n

\"\"<\/p>\n

Pour les installations avec des transformateurs de fonctionnement 24\/7 \u2013 tels que les centres de donn\u00e9es, les h\u00f4pitaux, et continue de la production de plantes \u2013 les \u00e9conomies d'\u00e9nergie de r\u00e9duire sans perte de charge sont particuli\u00e8rement importants. Ce guide fournit une vue d'ensemble de non-perte de charge, des normes internationales et des strat\u00e9gies \u00e9prouv\u00e9es de r\u00e9duction, adapt\u00e9 pour un public mondial recherche efficace et rentable des solutions d'\u00e9nergie.<\/p>\n

1. Qu'est-ce que le Transformateur N'-Perte de Charge? D\u00e9finitions Et Normes Internationales<\/em><\/h3>\n

Transformateur Sans Perte de Charge, tel que d\u00e9fini par la norme internationale CEI 60076-1, est la puissance active consomm\u00e9e par un transformateur lorsqu'un bobinage (g\u00e9n\u00e9ralement du c\u00f4t\u00e9 haute tension) est aliment\u00e9 \u00e0 la tension nominale et la fr\u00e9quence nominale, tandis que l'autre enroulement reste en circuit ouvert. Il se compose principalement de deux \u00e9l\u00e9ments:<\/p>\n

1.1 Perte Par Hyst\u00e9r\u00e9sis<\/strong><\/h4>\n
(1) Cause: <\/strong><\/h6>\n

This loss occurs due to the internal friction within the transformer’s core material. As the alternating magnetic field constantly reverses direction, the magnetic domains in the core material must realign, a process that consumes energy and dissipates it as heat.<\/p>\n

(2) Key Influencing Factor: <\/strong><\/h6>\n

The lower the coercivity of the core material, the smaller the area of its hysteresis loop, resulting in lower hysteresis loss.<\/p>\n

1.2 Pertes Par Courants De Foucault<\/strong><\/h4>\n
(1) Cause:<\/strong><\/h6>\n

The alternating magnetic field induces circulating currents (eddy currents) within the conductive core material. The electrical resistance of the core converts the energy of these currents into heat (Joule heating).<\/p>\n

(2) Key Influencing Factors:<\/strong><\/h6>\n

Directly related to the core material’s resistivity, lamination thickness, and magnetic flux density.No-load loss is an inherent characteristic of a transformer. It occurs continuously whenever the transformer is energized, regardless of whether it is supplying any load. Therefore, investing in low no-load loss transformers offers a clear path to operational savings.<\/p>\n\n\n\n\n\n\n\n
Syst\u00e8me Standard<\/strong><\/td>\nCode Standard<\/strong><\/td>\nL'Efficacit\u00e9 De Niveau<\/strong><\/td>\nSans Perte de Charge Limite (kW)<\/strong><\/td>\nNotes<\/strong><\/td>\n<\/tr>\n
La Commission \u00c9lectrotechnique Internationale<\/td>\nIEC 60076-20<\/td>\nNiveau 1<\/td>\n1.05<\/td>\nDe base exigence de rendement<\/td>\n<\/tr>\n
D\u00e9partement AM\u00c9RICAIN de l'\u00c9nergie<\/td>\nDOE 10 CFR 431<\/td>\nTP-1<\/td>\n0.98<\/td>\nDerni\u00e8re norme en vigueur 2023<\/td>\n<\/tr>\n
L'UE \u00c9coconception<\/td>\nL'UE 548\/2014<\/td>\nA0<\/td>\n0.92<\/td>\nLa classe d'efficacit\u00e9 la plus \u00e9lev\u00e9e<\/td>\n<\/tr>\n
Standard National Chinois<\/td>\nGO 20052-2020<\/td>\nNiveau 1<\/td>\n0.89<\/td>\nMenant niveau de performance<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
Tableau 1: Non-Perte de Charge des Exigences de l'International Majeur des Normes d'Efficacit\u00e9 (Exemple: 10kV, 1000kVA Huile Transformateur Immerg\u00e9)<\/div>\n

2. R\u00e9duction De La Perte \u00c0 Vide: Optimisation De Base De Conception Et S\u00e9lection Des Mat\u00e9riaux<\/em><\/h3>\n

Le c\u0153ur est la source principale de la non-perte de charge dans un transformateur. Des mat\u00e9riaux de pointe et un design innovant sont essentielles \u00e0 l'am\u00e9lioration de l'efficacit\u00e9 de conversion \u00e9nerg\u00e9tique.<\/p>\n

2.1 \u00c0 L'Aide De Haute Perm\u00e9abilit\u00e9, Faible Perte De T\u00f4les D'Acier Au Silicium<\/strong><\/h4>\n
2.1.1 Action:<\/strong><\/h5>\n

Employ High-Grade Grain-Oriented Silicon Steel (GOES), such as Japan’s JFE JNEX series, Germany’s ThyssenKrupp Hi-B steel, or China’s Baosteel B20R070.<\/p>\n

2.1.2 How It Works:<\/strong><\/h5>\n
(1) Crystal Orientation Optimization:Special rolling and annealing processes align the silicon steel grains so their easy-magnetization direction is consistent with the rolling direction. This makes magnetization easier, significantly reducing hysteresis loss.<\/strong><\/h6>\n
(2) Increased Silicon Content:Adding silicon (typically 3%-3.5%) increases the core’s resistivity. According to the formula for eddy current loss<\/strong><\/h6>\n

Pe \u221d (Bm * f * t)2 \/ \u03c1<\/p>\n

o\u00f9 Bm est la densit\u00e9 de flux<\/p>\n

f est la fr\u00e9quence, t est le laminage de l'\u00e9paisseur<\/p>\n

\u03c1 est la r\u00e9sistivit\u00e9<\/p>\n

Un<\/span>plus la r\u00e9sistivit\u00e9 directement r\u00e9duit les pertes par courants de foucault.<\/p>\n

2.2 Demande Amorphe De Noyau En M\u00e9tal \u2013 Une Perc\u00e9e R\u00e9volutionnaire<\/strong><\/h4>\n
(1) Action: <\/strong><\/h6>\n

Replace traditional silicon steel with Amorphous Alloy (e.g., Metglas) ribbon to form the transformer core.<\/p>\n

2.2.1 How It Works:<\/strong><\/h5>\n
(1) Disordered Atomic Structure: <\/strong><\/h6>\n

Amorphous metal is formed by ultra-rapid cooling (millions of degrees per second), creating a glassy, non-crystalline structure with long-range atomic disorder. This eliminates the impediment of grain<\/p>\n

(2) boundaries to magnetic domain wall movement, resulting in extremely low coercivity. Hysteresis loss can be just 20%-30% of that in traditional silicon steel.<\/strong><\/h6>\n
2.2.2 High Resistivity: <\/strong><\/h5>\n

Amorphous alloys have a resistivity approximately three times higher than silicon steel, drastically suppressing eddy current loss at the source.<\/p>\n

2.3 Optimisation de la Structure de Base et les Processus de Fabrication<\/strong><\/h4>\n
2.3.1 Action:<\/span> <\/strong><\/h5>\n

Utilize Step-Lap joint configurations in the core and minimize the number of joints.<\/p>\n

2.3.2 How It Works:<\/strong><\/h5>\n
(1) Reducing Local Magnetic Reluctance:<\/strong><\/h6>\n

Traditional butt-lap joints cause severe magnetic flux distortion and high-loss transverse flux. Step-lap joints create a smooth transition, leading to more uniform flux distribution and a significant reduction in stray loss at the joints.<\/p>\n

(2) Controlling Stacking Pressure and Annealing: <\/strong><\/h6>\n

Precise stacking pressure ensures core compactness, avoiding additional losses from vibration. Annealing in a protective atmosphere relieves processing stresses in the laminations, restoring their optimal magnetic properties.<\/p>\n

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

Conclusion Et Recommandations Mondiales<\/strong><\/h2>\n

La r\u00e9duction de transformateur non-perte de charge est syst\u00e9matique d\u00e9fi d'ing\u00e9nierie qui int\u00e8gre la science des mat\u00e9riaux \u00e9lectromagn\u00e9tiques, de la conception, et un fonctionnement intelligent. En commen\u00e7ant par la s\u00e9lection des transformateurs de rencontrer du monde’s les plus hautes normes d'efficacit\u00e9 (comme l'UE A0 ou de la Chine de Niveau 1) et s'\u00e9tendant vers affin\u00e9 de gestion tout au long de leur cycle de vie, chaque \u00e9tape offre d'importantes \u00e9conomies d'\u00e9nergie et de rentabilit\u00e9 \u00e9conomique.<\/p>\n

Plats \u00c0 Emporter Cl\u00e9s:<\/strong><\/h2>\n

Le Noyau est le Principal champ de Bataille: Investir dans la haute performance en acier de silicium ou m\u00e9talliques amorphes c\u0153urs peuvent augmenter les co\u00fbts initiaux, mais il a consid\u00e9rablement r\u00e9duit le Co\u00fbt Total de Possession (TCO) au cours de la typique de 20 \u00e0 30 ans de dur\u00e9e de vie.
\nLe Design est une question d'\u00e9quilibre: Travailler en \u00e9troite collaboration avec votre fabricant de transformateurs. Optimiser la conception de la densit\u00e9 du flux magn\u00e9tique et de l'utilisation des mat\u00e9riaux en fonction de votre profil de charge pour la meilleure efficacit\u00e9 \u00e0 vos points de fonctionnement.
\nOp\u00e9ration de Gestion est le Multiplicateur de Force: Utiliser la surveillance num\u00e9rique et les technologies de r\u00e9seau intelligent afin de garantir votre haute efficacit\u00e9 de mat\u00e9riel effectue \u00e0 son apog\u00e9e.
\nDans le global chemin vers la “net-z\u00e9ro \u00e9missions,” l'am\u00e9lioration de transformateur d'efficacit\u00e9 est l'un des plus co\u00fbt-efficace des actions disponibles. Nous recommandons que pour votre prochain transformateur d'achat, vous regardez au-del\u00e0 de la premi\u00e8re \u00e9tiquette de prix. Demande d\u00e9taill\u00e9e de la non-perte de charge des rapports de test et de calculer le co\u00fbt du cycle de vie pour faire un choix \u00e9clair\u00e9.<\/p>\n

About Us:<\/strong><\/h2>\n

We provide global clients with high-efficiency, energy-saving transformers and customized energy solutionsthat comply with international standards. Our engineering team is proficient in various standards including IEC, IEEE, BS, and DIN. Our products are exported to over 50 countries and regions across Europe, North America, Southeast Asia, the Middle East, and more. For no-load loss analysis and product selection advice tailored to your specific operating conditions, please contact our global engineering team.<\/p>\n

Contact<\/h2>\n

LuShan, heure de l'est. 1975, est un fabricant professionnel Chinois sp\u00e9cialis\u00e9 dans les transformateurs de puissance et des r\u00e9acteurs de plus de 50 ans. Les produits de pointe sont transformateur monophas\u00e9, triphas\u00e9 transformateurs d'isolement, transformateur \u00e9lectrique, transformateur de distribution, l'\u00e9tape vers le bas et d'intensifier le transformateur de basse tension du transformateur, transformateur \u00e0 haute tension, contr\u00f4le de transformateur toro\u00efdal transformateur, transformateur R-core; inductances DC, AC r\u00e9acteurs, le filtrage du r\u00e9acteur, de ligne et de charge du r\u00e9acteur, des bobines, le filtrage du r\u00e9acteur, et interm\u00e9diaire, \u00e0 haute fr\u00e9quence produits<\/a>.<\/p>\n

Nos transformateurs de puissance et les r\u00e9acteurs sont largement utilis\u00e9s dans les 10 domaines d'application: transport en commun rapide, les machines de construction, les \u00e9nergies renouvelables, intelligents de fabrication, des \u00e9quipements m\u00e9dicaux, de la mine de charbon de l'explosion de la pr\u00e9vention, de l'excitation du syst\u00e8me, frittage sous vide(four), d'une climatisation centrale.<\/p>\n

En savoir plus sur transformateur de puissance et le r\u00e9acteur: www.lstransformer.com<\/a>.<\/p>\n

Si vous souhaitez obtenir des solutions personnalis\u00e9es pour les transformateurs ou des r\u00e9acteurs, veuillez nous contacter.
\nWhatsApp\uff1a+86 13787095096
\nE-mail: marketing@hnlsdz.com<\/p>","protected":false},"excerpt":{"rendered":"

In the global context of energy transition and industrial energy efficiency, reducing transformer no-load loss has become a key focus for the power industry, industrial enterprises, and commercial users alike. According to the International Energy Agency (IEA), transmission and distribution losses account for about 8% to 15% of total global electricity generation, with transformer no-load […]<\/p>\n","protected":false},"author":3,"featured_media":3390,"comment_status":"open","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-1131","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-faq"],"yoast_head":"\nHow to Reduce Transformer No-Load Loss? 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