{"id":1333,"date":"2026-07-22T05:33:12","date_gmt":"2026-07-22T05:33:12","guid":{"rendered":"https:\/\/lstransformer.com\/performance-parameters-and-their-impact-on-cost\/"},"modified":"2026-09-30T02:57:44","modified_gmt":"2026-09-30T02:57:44","slug":"performance-parameters-and-their-impact-on-cost","status":"publish","type":"post","link":"https:\/\/www.lstransformer.com\/fr\/performance-parameters-and-their-impact-on-cost\/","title":{"rendered":"Performance Parameters and Their Impact on Cost"},"content":{"rendered":"

Performance Parameters and Their Impact on Cost<\/h1>\n

1. Short-Circuit Impedance<\/em><\/h3>\n

The short-circuit impedance affects the voltage regulation and reactive power losses of transformers. A higher short-circuit impedance improves voltage regulation but results in a larger short-circuit current magnitude, influencing the power grid and system. For shell-type transformers, the presence of the winding’s ampere-turns allows some flexibility in short-circuit impedance without significant cost changes.<\/p>\n

2. Load Losses<\/em><\/h3>\n

Load losses include DC resistance losses, eddy current losses in conductors, circulating current losses between parallel conductors, and stray losses in structural components.<\/p>\n

(1)\u00a0DC Resistance Losses:<\/strong><\/h6>\n

Increasing the cross-sectional area of conductors to reduce DC resistance losses increases the winding’s volume and conductor length, leading to higher manufacturing costs.<\/p>\n

(2)\u00a0Eddy Current Losses in Conductors: <\/strong><\/h6>\n

Techniques such as parallel arrangement, combination, or transposition of conductors can reduce eddy current losses but may increase manufacturing costs.<\/p>\n

(3)\u00a0Circulating Current Losses Between Parallel Conductors: <\/strong><\/h6>\n

Measures to reduce circulating current losses between parallel conductors and stray losses in structural components might lead to increased manufacturing costs.<\/p>\n

(4)\u00a0Stray Losses in Structural Components: <\/strong><\/h6>\n

Stray losses, part of the total losses in large transformers, can be effectively reduced by adding magnetic shielding or electromagnetic shielding on the tank wall and clamps. Using low-loss magnetic materials in structural components may further decrease stray losses, but these measures may come with increased manufacturing costs.<\/p>\n

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

3. No-Load Losses<\/em><\/h3>\n

The no-load losses of transformers mainly consist of core losses, comprising hysteresis losses and eddy current losses. To reduce no-load losses, it is necessary to decrease the magnetic flux density, which may result in increased magnetic material usage. Alternatively, using high-permeability, low-loss magnetic materials or thinner magnetic materials also increases transformer manufacturing costs. However, excessively thin magnetic materials might compromise the planarity of silicon steel sheets, weakening the mechanical strength of the core.<\/p>\n

4. Sound Level<\/em><\/h3>\n

To ensure that the sound level of transformers is below the standard value, manufacturers may employ special design methods and measures. These may include reducing the selected magnetic flux density, using special winding and tightening methods, implementing corresponding vibration reduction structures, and choosing low-noise fans. However, these measures contribute to increased manufacturing costs. Therefore, when opting for low-noise transformers, an economic analysis should be conducted. In certain cases, taking appropriate measures, such as installing isolation walls at the transformer installation site, may be a more cost-effective choice.<\/p>\n

5. Relationship Between Transformer Capacity, Weight, Size, and Performance<\/em><\/h3>\n

Under the same voltage level, short-circuit impedance, structural form, design principles, conductor current density, and core magnetic flux density, different-capacity transformers exhibit the following approximate relationships:<\/p>\n

(1)\u00a0<\/span><\/strong>Transformer capacity is proportional to the fourth power of linear dimensions.<\/p>\n

(2)\u00a0<\/span><\/strong>Effective material weight of the transformer is proportional to the 3\/4 power of the capacity.<\/p>\n

(3)<\/span><\/strong>\u00a0Effective material consumption per unit capacity is proportional to the -1\/4 power of the capacity.<\/p>\n

(4) <\/span><\/strong>When conductor current density and core magnetic flux density remain constant, losses in effective material are proportional to the capacity’s 3\/4 power.<\/p>\n

(5)\u00a0<\/span><\/strong>Losses per unit capacity of the transformer are proportional to the -1\/4 power of the capacity.<\/p>\n

(6)\u00a0<\/span><\/strong>Transformer manufacturing costs are proportional to the 3\/4 power of the capacity. Therefore, under the same load conditions, choosing a single large-capacity transformer is more economical than using multiple small-capacity transformers.<\/p>\n

Contact<\/strong><\/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":"

Performance Parameters and Their Impact on Cost 1. Short-Circuit Impedance The short-circuit impedance affects the voltage regulation and reactive power losses of transformers. A higher short-circuit impedance improves voltage regulation but results in a larger short-circuit current magnitude, influencing the power grid and system. For shell-type transformers, the presence of the winding’s ampere-turns allows some […]<\/p>\n","protected":false},"author":3,"featured_media":2708,"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-1333","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-faq"],"yoast_head":"\nPerformance Parameters and Their Impact on Cost - LS power transformer, Line reactor, High-voltage transformer, Oil-immersed transformer-CHANGSHA LUSHAN ELECTRONIC TECHNOLOGY CO.,LTD<\/title>\n<meta name=\"description\" content=\"The short-circuit impedance affects the voltage regulation and reactive power losses of transformers. 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