{"id":4404,"date":"2025-04-02T03:32:19","date_gmt":"2025-04-02T03:32:19","guid":{"rendered":"https:\/\/grwinding.com\/?p=4404"},"modified":"2025-04-02T04:27:54","modified_gmt":"2025-04-02T04:27:54","slug":"%e8%ae%8a%e5%a3%93%e5%99%a8%e4%b8%ad%e7%9a%84%e8%ab%a7%e6%b3%a2","status":"publish","type":"post","link":"https:\/\/grwinding.com\/zh\/harmonics-in-transformers\/","title":{"rendered":"\u8b8a\u58d3\u5668\u8ae7\u6ce2\uff1a\u539f\u56e0\u3001\u5f71\u97ff\u53ca\u89e3\u6c7a\u65b9\u6848"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"4404\" class=\"elementor elementor-4404\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-4c3fa1b e-flex e-con-boxed e-con e-parent\" data-id=\"4c3fa1b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ad07bc1 elementor-widget elementor-widget-text-editor\" data-id=\"ad07bc1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<article class=\"w-full text-token-text-primary\" dir=\"auto\" data-testid=\"conversation-turn-596\" data-scroll-anchor=\"true\"><div class=\"text-base my-auto mx-auto py-5 px-6\"><div class=\"mx-auto flex flex-1 text-base gap-4 md:gap-5 lg:gap-6 md:max-w-3xl lg:max-w-[40rem] xl:max-w-[48rem] group\/turn-messages focus-visible:outline-none\" tabindex=\"-1\"><div class=\"group\/conversation-turn relative flex w-full min-w-0 flex-col agent-turn @xs\/thread:px-0 @sm\/thread:px-1.5 @md\/thread:px-4\"><div class=\"relative flex-col gap-1 md:gap-3\"><div class=\"flex max-w-full flex-col flex-grow\"><div class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 whitespace-normal break-words text-start [.text-message+&amp;]:mt-5\" dir=\"auto\" data-message-author-role=\"assistant\" data-message-id=\"0fa8d0c2-6358-424b-b44a-62505591ab96\" data-message-model-slug=\"gpt-4o\"><div class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[3px]\"><div class=\"markdown prose w-full break-words dark:prose-invert light\"><p data-start=\"0\" data-end=\"308\">Harmonics in electrical systems distort waveforms and can seriously affect<a href=\"https:\/\/grwinding.com\/what-is-transformer-winding\/\"> transformer<\/a> efficiency and lifespan.<\/p><p><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter wp-image-6770 lazyload\" title=\"Graph showing transformer harmonics and waveform effects\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/grwinding.com\/wp-content\/uploads\/2025\/04\/Graph-showing-transformer-harmonics-and-waveform-effects.webp\" alt=\"Graph showing transformer harmonics and waveform effects\" width=\"450\" height=\"298\" \/><noscript><img decoding=\"async\" class=\"aligncenter wp-image-6770 lazyload\" title=\"Graph showing transformer harmonics and waveform effects\" src=\"https:\/\/grwinding.com\/wp-content\/uploads\/2025\/04\/Graph-showing-transformer-harmonics-and-waveform-effects.webp\" alt=\"Graph showing transformer harmonics and waveform effects\" width=\"450\" height=\"298\" srcset=\"https:\/\/grwinding.com\/wp-content\/uploads\/2025\/04\/Graph-showing-transformer-harmonics-and-waveform-effects.webp 1024w, https:\/\/grwinding.com\/wp-content\/uploads\/2025\/04\/Graph-showing-transformer-harmonics-and-waveform-effects-300x199.webp 300w, https:\/\/grwinding.com\/wp-content\/uploads\/2025\/04\/Graph-showing-transformer-harmonics-and-waveform-effects-768x509.webp 768w, https:\/\/grwinding.com\/wp-content\/uploads\/2025\/04\/Graph-showing-transformer-harmonics-and-waveform-effects-18x12.webp 18w\" sizes=\"(max-width: 450px) 100vw, 450px\" \/><\/noscript><\/p><p data-start=\"0\" data-end=\"308\">In this guide, we\u2019ll cover what causes harmonics, how they impact transformers, and key design solutions to handle them.<\/p><h2 data-start=\"0\" data-end=\"308\">What Are Harmonics?<\/h2><p><img decoding=\"async\" class=\"aligncenter wp-image-6771 lazyload\" title=\"Visual of fundamental and harmonic frequency waveforms\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/grwinding.com\/wp-content\/uploads\/2025\/04\/Visual-of-fundamental-and-harmonic-frequency-waveforms.webp\" alt=\"Visual of fundamental and harmonic frequency waveforms\" width=\"341\" height=\"360\" \/><noscript><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-6771 lazyload\" title=\"Visual of fundamental and harmonic frequency waveforms\" src=\"https:\/\/grwinding.com\/wp-content\/uploads\/2025\/04\/Visual-of-fundamental-and-harmonic-frequency-waveforms.webp\" alt=\"Visual of fundamental and harmonic frequency waveforms\" width=\"341\" height=\"360\" srcset=\"https:\/\/grwinding.com\/wp-content\/uploads\/2025\/04\/Visual-of-fundamental-and-harmonic-frequency-waveforms.webp 1180w, https:\/\/grwinding.com\/wp-content\/uploads\/2025\/04\/Visual-of-fundamental-and-harmonic-frequency-waveforms-284x300.webp 284w, https:\/\/grwinding.com\/wp-content\/uploads\/2025\/04\/Visual-of-fundamental-and-harmonic-frequency-waveforms-970x1024.webp 970w, https:\/\/grwinding.com\/wp-content\/uploads\/2025\/04\/Visual-of-fundamental-and-harmonic-frequency-waveforms-768x811.webp 768w, https:\/\/grwinding.com\/wp-content\/uploads\/2025\/04\/Visual-of-fundamental-and-harmonic-frequency-waveforms-11x12.webp 11w\" sizes=\"(max-width: 341px) 100vw, 341px\" \/><\/noscript><\/p><p class=\"\" data-start=\"0\" data-end=\"308\">Harmonics are unwanted frequency components that are integer multiples of the fundamental frequency\u2014like the 3rd (180 Hz) or 5th (300 Hz) in a 60 Hz system.<\/p><p class=\"\" data-start=\"0\" data-end=\"308\">These distort the smooth AC sine wave, causing noise, resonance, overheating, and power losses that can degrade transformer performance and efficiency.<\/p><h2 data-start=\"0\" data-end=\"48\">What Causes Harmonics in Electrical Systems?<\/h2><p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-6772 lazyload\" title=\"Comparison of linear and non linear electrical loads\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/grwinding.com\/wp-content\/uploads\/2025\/04\/Comparison-of-linear-and-non-linear-electrical-loads.webp\" alt=\"Comparison of linear and non linear electrical loads\" width=\"450\" height=\"193\" \/><noscript><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-6772 lazyload\" title=\"Comparison of linear and non linear electrical loads\" src=\"https:\/\/grwinding.com\/wp-content\/uploads\/2025\/04\/Comparison-of-linear-and-non-linear-electrical-loads.webp\" alt=\"Comparison of linear and non linear electrical loads\" width=\"450\" height=\"193\" srcset=\"https:\/\/grwinding.com\/wp-content\/uploads\/2025\/04\/Comparison-of-linear-and-non-linear-electrical-loads.webp 638w, https:\/\/grwinding.com\/wp-content\/uploads\/2025\/04\/Comparison-of-linear-and-non-linear-electrical-loads-300x128.webp 300w, https:\/\/grwinding.com\/wp-content\/uploads\/2025\/04\/Comparison-of-linear-and-non-linear-electrical-loads-18x8.webp 18w\" sizes=\"(max-width: 450px) 100vw, 450px\" \/><\/noscript><\/p><p class=\"\" data-start=\"50\" data-end=\"451\">Harmonics are primarily caused by non-linear loads, which include devices like computers, <a href=\"https:\/\/en.wikipedia.org\/wiki\/Variable-frequency_drive\">variable frequency drives (VFDs)<\/a>, and fluorescent lights.<\/p><p class=\"\" data-start=\"50\" data-end=\"451\">These devices consume power in irregular bursts, generating harmonic distortion.<\/p><p class=\"\" data-start=\"50\" data-end=\"451\">Modern high-efficiency equipment, such as wind turbines and solar panels, also contributes to harmonics due to their intermittent operation and energy consumption patterns.<\/p><h2 data-start=\"0\" data-end=\"51\">Transformer Design Considerations for Harmonics<\/h2><p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-6769 lazyload\" title=\"Phase A B C 5th harmonic waveform distortion chart\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/grwinding.com\/wp-content\/uploads\/2025\/04\/Phase-A-B-C-5th-harmonic-waveform-distortion-chart.webp\" alt=\"Phase A B C 5th harmonic waveform distortion chart\" width=\"450\" height=\"263\" \/><noscript><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-6769 lazyload\" title=\"Phase A B C 5th harmonic waveform distortion chart\" src=\"https:\/\/grwinding.com\/wp-content\/uploads\/2025\/04\/Phase-A-B-C-5th-harmonic-waveform-distortion-chart.webp\" alt=\"Phase A B C 5th harmonic waveform distortion chart\" width=\"450\" height=\"263\" srcset=\"https:\/\/grwinding.com\/wp-content\/uploads\/2025\/04\/Phase-A-B-C-5th-harmonic-waveform-distortion-chart.webp 507w, https:\/\/grwinding.com\/wp-content\/uploads\/2025\/04\/Phase-A-B-C-5th-harmonic-waveform-distortion-chart-300x175.webp 300w, https:\/\/grwinding.com\/wp-content\/uploads\/2025\/04\/Phase-A-B-C-5th-harmonic-waveform-distortion-chart-18x12.webp 18w\" sizes=\"(max-width: 450px) 100vw, 450px\" \/><\/noscript><\/p><\/div><\/div><\/div><\/div><\/div><div class=\"absolute\"><div class=\"flex items-center justify-center\"><p class=\"\" data-start=\"53\" data-end=\"226\">Harmonics can cause excessive heat, increased losses, and reduced lifespan in transformers, making harmonic-conscious design essential for system reliability and efficiency.<\/p><ul data-start=\"228\" data-end=\"781\" data-is-last-node=\"\" data-is-only-node=\"\"><li class=\"\" data-start=\"228\" data-end=\"348\"><p class=\"\" data-start=\"230\" data-end=\"348\"><strong data-start=\"230\" data-end=\"255\">K-Factor Transformers<\/strong>: Built to withstand harmonic distortion with reinforced insulation and oversized neutrals.<\/p><\/li><li class=\"\" data-start=\"349\" data-end=\"448\"><p class=\"\" data-start=\"351\" data-end=\"448\"><strong data-start=\"351\" data-end=\"374\">Zigzag Transformers<\/strong>: Reduce triplen harmonics by redirecting them within internal windings.<\/p><\/li><li class=\"\" data-start=\"449\" data-end=\"558\"><p class=\"\" data-start=\"451\" data-end=\"558\"><strong data-start=\"451\" data-end=\"479\">Passive Harmonic Filters<\/strong>: Divert harmonic currents and prevent them from reaching critical equipment.<\/p><\/li><li class=\"\" data-start=\"559\" data-end=\"669\"><p class=\"\" data-start=\"561\" data-end=\"669\"><strong data-start=\"561\" data-end=\"585\">THD and Crest Factor<\/strong>: Crucial metrics for evaluating harmonic levels and adjusting transformer design.<\/p><\/li><li class=\"\" data-start=\"670\" data-end=\"781\"><p class=\"\" data-start=\"672\" data-end=\"781\"><strong data-start=\"672\" data-end=\"698\">Derating or Oversizing<\/strong>: Necessary when THD exceeds 5% to ensure safe and efficient transformer operation.<\/p><\/li><\/ul><\/div><\/div><\/div><\/div><\/div><\/article><div class=\"pointer-events-none h-px w-px\" aria-hidden=\"true\" data-edge=\"true\"><article class=\"w-full text-token-text-primary\" dir=\"auto\" data-testid=\"conversation-turn-592\" data-scroll-anchor=\"false\"><div class=\"text-base my-auto mx-auto py-5 px-6\"><div class=\"mx-auto flex flex-1 text-base gap-4 md:gap-5 lg:gap-6 md:max-w-3xl lg:max-w-[40rem] xl:max-w-[48rem] group\/turn-messages focus-visible:outline-none\" tabindex=\"-1\"><div class=\"group\/conversation-turn relative flex w-full min-w-0 flex-col agent-turn @xs\/thread:px-0 @sm\/thread:px-1.5 @md\/thread:px-4\"><div class=\"relative flex-col gap-1 md:gap-3\"><div class=\"flex max-w-full flex-col flex-grow\"><div class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 whitespace-normal break-words text-start [.text-message+&amp;]:mt-5\" dir=\"auto\" data-message-author-role=\"assistant\" data-message-id=\"9de4c253-f37c-4fe9-be2c-0cbb4059173a\" data-message-model-slug=\"gpt-4o\"><div class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[3px]\"><div class=\"markdown prose w-full break-words dark:prose-invert light\"><h2 data-start=\"0\" data-end=\"178\">Conclusion<\/h2><p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-4416 lazyload\" title=\"A transformer housed in a protective enclosure demonstrating equipment used for measuring harmonics\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/grwinding.com\/wp-content\/uploads\/2024\/11\/A-transformer-housed-in-a-protective-enclosure-demonstrating-equipment-used-for-measuring-harmonics-e1730792437117.webp\" alt=\"A transformer housed in a protective enclosure demonstrating equipment used for measuring harmonics\" width=\"450\" height=\"411\" \/><noscript><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-4416 lazyload\" title=\"A transformer housed in a protective enclosure demonstrating equipment used for measuring harmonics\" src=\"https:\/\/grwinding.com\/wp-content\/uploads\/2024\/11\/A-transformer-housed-in-a-protective-enclosure-demonstrating-equipment-used-for-measuring-harmonics-e1730792437117.webp\" alt=\"A transformer housed in a protective enclosure demonstrating equipment used for measuring harmonics\" width=\"450\" height=\"411\" srcset=\"https:\/\/grwinding.com\/wp-content\/uploads\/2024\/11\/A-transformer-housed-in-a-protective-enclosure-demonstrating-equipment-used-for-measuring-harmonics-e1730792437117.webp 381w, https:\/\/grwinding.com\/wp-content\/uploads\/2024\/11\/A-transformer-housed-in-a-protective-enclosure-demonstrating-equipment-used-for-measuring-harmonics-e1730792437117-300x274.webp 300w, https:\/\/grwinding.com\/wp-content\/uploads\/2024\/11\/A-transformer-housed-in-a-protective-enclosure-demonstrating-equipment-used-for-measuring-harmonics-e1730792437117-13x12.webp 13w\" sizes=\"(max-width: 450px) 100vw, 450px\" \/><\/noscript><\/p><p class=\"\" data-start=\"0\" data-end=\"178\">Harmonics can lead to overheating, increased losses, and reduced transformer efficiency. Using proper transformer types like K-rated or Zigzag models is essential for mitigation.<\/p><p class=\"\" data-start=\"180\" data-end=\"315\">Need help with harmonics in your system? <a href=\"https:\/\/grwinding.com\/contact-us\/\">Contact us<\/a> for expert guidance and transformer solutions tailored to your power quality needs.<\/p><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/div><\/article><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7ed11c4 elementor-widget elementor-widget-template\" data-id=\"7ed11c4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"template.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-template\">\n\t\t\t\t\t<div data-elementor-type=\"container\" data-elementor-id=\"4370\" class=\"elementor elementor-4370\" data-elementor-post-type=\"elementor_library\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e765ecb e-flex e-con-boxed e-con e-parent\" data-id=\"e765ecb\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f856aac elementor-widget elementor-widget-heading\" data-id=\"f856aac\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Related Articles to Winding Factor<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-618c027 elementor-icon-list--layout-inline elementor-list-item-link-full_width elementor-widget elementor-widget-icon-list\" data-id=\"618c027\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"icon-list.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-icon-list-items elementor-inline-items\">\n\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/grwinding.com\/what-is-a-winding-factor\/\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-dot-circle\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 8C119.033 8 8 119.033 8 256s111.033 248 248 248 248-111.033 248-248S392.967 8 256 8zm80 248c0 44.112-35.888 80-80 80s-80-35.888-80-80 35.888-80 80-80 80 35.888 80 80z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Winding Factor<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/grwinding.com\/differences-short-pitched-and-full-pitched-coils\/\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-dot-circle\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 8C119.033 8 8 119.033 8 256s111.033 248 248 248 248-111.033 248-248S392.967 8 256 8zm80 248c0 44.112-35.888 80-80 80s-80-35.888-80-80 35.888-80 80-80 80 35.888 80 80z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Full Pitch Coil and Short Pitch Coil<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/grwinding.com\/concentrated-winding-and-distributed-winding\/\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-dot-circle\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 8C119.033 8 8 119.033 8 256s111.033 248 248 248 248-111.033 248-248S392.967 8 256 8zm80 248c0 44.112-35.888 80-80 80s-80-35.888-80-80 35.888-80 80-80 80 35.888 80 80z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Concentrated Winding and Distributed Winding<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-inline-item\">\n\t\t\t\t\t\t\t\t\t\t\t<a href=\"https:\/\/grwinding.com\/harmonics-in-transformers\/\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t<svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-dot-circle\" viewBox=\"0 0 512 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M256 8C119.033 8 8 119.033 8 256s111.033 248 248 248 248-111.033 248-248S392.967 8 256 8zm80 248c0 44.112-35.888 80-80 80s-80-35.888-80-80 35.888-80 80-80 80 35.888 80 80z\"><\/path><\/svg>\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text\">Harmonics in Transformer<\/span>\n\t\t\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t<\/li>\n\t\t\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u8b8a\u58d3\u5668\u4e2d\u7684\u8ae7\u6ce2\uff0c\u5305\u62ec\u5176\u539f\u56e0\u3001\u5f71\u97ff\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528 K 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