{"id":147821,"date":"2024-04-27T15:00:33","date_gmt":"2024-04-27T15:00:33","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/%ec%84%bc%eb%8d%94%ec%8a%a4%ed%8a%b8\/"},"modified":"2024-04-27T15:00:33","modified_gmt":"2024-04-27T15:00:33","slug":"%ec%84%bc%eb%8d%94%ec%8a%a4%ed%8a%b8","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/ko\/%ec%84%bc%eb%8d%94%ec%8a%a4%ed%8a%b8\/","title":{"rendered":"\uc13c\ub354\uc2a4\ud2b8"},"content":{"rendered":"<p class=\"sidekick\">\uc13c\ub354\uc2a4\ud2b8\ub294 \uc790\uc131\uc744 \uc9c0\ub2cc \uc54c\ub8e8\ubbf8\ub284, \uc2e4\ub9ac\ucf58, \ucca0\uc758 \ud569\uae08\uc73c\ub85c \uc804\uc790 \uc81c\ud488\uc758 \ubcc0\uc555\uae30, \uc778\ub355\ud130\uc5d0\uc11c \ub192\uc740 \ud6a8\uc728\uacfc \ub0ae\uc740 \ud575\uc2ec \uc190\uc2e4\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.electricity-magnetism.org\/wp-content\/uploads\/2024\/04\/\uc13c\ub354\uc2a4\ud2b8.png\" alt=\"\uc13c\ub354\uc2a4\ud2b8\"\/><\/p>\n<h2>\uc13c\ub354\uc2a4\ud2b8\ub780 \ubb34\uc5c7\uc778\uac00?<\/h2>\n<p>\uc13c\ub354\uc2a4\ud2b8(Sendust)\ub294 \uc54c\ub8e8\ubbf8\ub284(Al), \uc2e4\ub9ac\ucf58(Si), \uadf8\ub9ac\uace0 \ucca0(Fe)\uc758 \ud569\uae08\uc73c\ub85c \uc774\ub8e8\uc5b4\uc9c4 \uc790\uc131\uccb4\uc785\ub2c8\ub2e4. \uc774 \ubb3c\uc9c8\uc740 1930\ub144\ub300 \uc77c\ubcf8\uc758 \uacfc\ud559\uc790\uc778 \ub370\uc4f0\ub85c \ub9c8\uc2a4\ubb34\ub77c(Tokushichi Masumura)\uac00 \ubc1c\uacac\ud558\uc600\uc2b5\ub2c8\ub2e4. \uc13c\ub354\uc2a4\ud2b8\ub294 \uadf8\uc758 \uc774\ub984 &#8216;Sen&#8217;\uacfc &#8216;Dust'(\uba3c\uc9c0\ub97c \uc758\ubbf8)\ub97c \uacb0\ud569\ud558\uc5ec \uba85\uba85\ub418\uc5c8\uc73c\uba70, \uc54c\ub8e8\ubbf8\ub284(\uc57d 9%), \uc2e4\ub9ac\ucf58(\uc57d 6%), \ucca0(\ub098\uba38\uc9c0 \ub300\ubd80\ubd84)\uc758 \ube44\uc728\ub85c \uad6c\uc131\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \ud569\uae08\uc740 \ub192\uc740 \uce68\ud22c\uc728\uacfc \ub0ae\uc740 \ud575\uc2ec \uc190\uc2e4(core loss)\uc744 \uac00\uc9c0\uace0 \uc788\uc5b4 \ubcc0\uc555\uae30, \uc778\ub355\ud130, \uc2a4\ud53c\ucee4 \ub4f1 \ub2e4\uc591\ud55c \uc804\uc790 \uc81c\ud488\uc5d0 \uc0ac\uc6a9\ub418\ub294 \uac83\uc73c\ub85c \uc720\uba85\ud569\ub2c8\ub2e4.<\/p>\n<h2>\uc13c\ub354\uc2a4\ud2b8\uc758 \uc804\uc790\uae30\uc801 \uc131\uc9c8<\/h2>\n<p>\uc13c\ub354\uc2a4\ud2b8\ub294 \ub192\uc740 \uc790\uae30 \ud22c\uacfc\ub3c4(magnetic permeability)\ub97c \uac00\uc9c4 \uc790\uc131 \ubb3c\uc9c8\ub85c, \uc804\uae30 \ubc0f \uc790\uae30\uc7a5\uc5d0 \ub300\ud55c \ubc18\uc751\uc774 \ub9e4\uc6b0 \uc88b\uc2b5\ub2c8\ub2e4. \uc774\ub294 \ubb3c\uc9c8\uc774 \uc790\uae30\uc7a5\uc5d0 \uc27d\uac8c \ub9c8\uadf8\ub124\ud2f1\ud558\uac8c \ub428\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. \uc989, \ubcc4\ub3c4\uc758 \uc790\uae30\uc7a5\uc774 \uc801\uc6a9\ub418\uc9c0 \uc54a\uc744 \ub54c\ub294 \uc790\uc131\uc744 \ub760\uc9c0 \uc54a\uc9c0\ub9cc, \uc678\ubd80 \uc790\uae30\uc7a5\uc5d0 \uc758\ud574 \uc790\ud654\ub418\uba74 \uac15\ud55c \uc790\uae30 \ubaa8\uba58\ud2b8(magnetic moment)\ub97c \ubc1c\ud718\ud569\ub2c8\ub2e4.<\/p>\n<ul>\n<li><strong>\ub192\uc740 \ud3ec\ud654 \uc790\ud654(saturation magnetization)<\/strong>: \uc13c\ub354\uc2a4\ud2b8\ub294 \ub192\uc740 \ud3ec\ud654 \uc790\ud654 \uc218\uc900\uc744 \uac00\uc9c0\uace0 \uc788\uc5b4 \uac15\ub825\ud55c \uc790\uae30\uc7a5\uc5d0\uc11c\ub3c4 \uc790\uae30 \ub3c4\ud1b5\ub2a5\uc774 \uc720\uc9c0\ub429\ub2c8\ub2e4.<\/li>\n<li><strong>\uc800\ud575\uc2ec \uc190\uc2e4(low core loss)<\/strong>: \ubcc0\uc555\uae30\ub098 \uc778\ub355\ud130\uc758 \ud575\uc2ec \uc18c\uc7ac\ub85c \uc0ac\uc6a9\ub420 \ub54c \uc5d0\ub108\uc9c0 \uc190\uc2e4\uc774 \uc801\uc5b4, \ud6a8\uc728\uc774 \ub9e4\uc6b0 \ub192\uc2b5\ub2c8\ub2e4.<\/li>\n<li><strong>\uc800\uc8fc\ud30c \ub300\uc5ed\uc5d0\uc11c\uc758 \uc6b0\uc218\ud55c \uc131\ub2a5<\/strong>: \uc13c\ub354\uc2a4\ud2b8\ub294 \uc800\uc8fc\ud30c \ub300\uc5ed\uc5d0\uc11c \uc6b0\uc218\ud55c \uc804\uc790\uae30\uc801 \uc131\uc9c8\uc744 \uac16\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc774\uac83\uc740 \uc624\ub514\uc624 \uae30\uae30\uc758 \uc778\ub355\ud130\ub098, \uc804\ub825 \ubcc0\ud658\uae30\uae30\uc758 \ud575\uc2ec \uc18c\uc7ac\ub85c \uc801\ud569\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h2>\uc13c\ub354\uc2a4\ud2b8\uc758 \uc751\uc6a9 \ubd84\uc57c<\/h2>\n<p>\uc13c\ub354\uc2a4\ud2b8\ub294 \uc804\uc790 \uc81c\ud488\uc758 \ub2e4\uc591\ud55c \ubd80\ud488\uc5d0\uc11c \uc790\uc8fc \ub9cc\ub0a0 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n<ol>\n<li><strong>\uc804\ub825 \ubcc0\uc555\uae30(Power Transformers)<\/strong>: \uc13c\ub354\uc2a4\ud2b8\ub294 \ubcc0\uc555\uae30\uc758 \ud575\uc2ec \uc18c\uc7ac\ub85c \uc0ac\uc6a9\ub418\uba70, \uace0\ud6a8\uc728\uacfc \uc800\uc190\uc2e4\uc744 \uac00\ub2a5\ud558\uac8c \ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uc778\ub355\ud130\uc640 \ud544\ud130(Inductors and Filters)<\/strong>: RF(Radio Frequency) \ud544\ud130\uc640 \uac19\uc740 \uc8fc\ud30c\uc218\ub97c \uc120\ud0dd\ud558\ub294 \uc778\ub355\ud130\uc5d0 \uc0ac\uc6a9\ub418\uba70, \uc2e0\ud638\uc758 \uc815\uc81c\ub098 \uc7a1\uc74c \uac10\uc18c\uc5d0 \uc720\uc6a9\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uc18c\uc74c \uc5b5\uc81c(Common Mode Chokes)<\/strong>: \uc13c\ub354\uc2a4\ud2b8\ub294 \uc804\uc790\uae30 \uac04\uc12d(EMI)\uc744 \uc81c\uc5b4\ud558\uace0 \uc7a1\uc74c\uc744 \uc5b5\uc81c\ud558\ub294\ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n<li><strong>\uae30\ud0c0 \uc790\uae30 \uae30\ub85d \uc7a5\uce58(Magnetic Recording Devices)<\/strong>: \uace0\ubc00\ub3c4 \uc790\uae30 \uae30\ub85d\uc744 \uc704\ud55c \ud575\uc2ec \uc7ac\ub8cc\ub85c\ub3c4 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n<\/ol>\n<h2>\uc13c\ub354\uc2a4\ud2b8\uc640 \uc804\uae30 \uc778\ub355\ud134\uc2a4<\/h2>\n<p>\uc13c\ub354\uc2a4\ud2b8\ub294 \uc804\uc790\uacf5\ud559\uc5d0\uc11c \uc778\ub355\ud130 \uc81c\uc791\uc5d0 \ub110\ub9ac \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc778\ub355\ud134\uc2a4\ub294 \ud68c\ub85c\uc5d0\uc11c \uc804\ub958\uc758 \ubcc0\ud654\uc5d0 \uc800\ud56d\ud558\ub294 \ub2a5\ub825\uc744 \ub098\ud0c0\ub0b4\uba70, \ub2e4\uc74c\uacfc \uac19\uc774 \ud45c\ud604\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n<p><i>L = N<sup>2<\/sup> * \u03bc * A \/ l<\/i><\/p>\n<p>\uc5ec\uae30\uc11c <i>L<\/i>\uc740 \uc778\ub355\ud134\uc2a4, <i>N<\/i>\uc740 \ucf54\uc77c\uc758 \ucd1d \uad8c\uc218, <i>\u03bc<\/i>\ub294 \ubb3c\uc9c8\uc758 \uce68\ud22c\uc728(\uc13c\ub354\uc2a4\ud2b8\uc758 \uacbd\uc6b0 \ub192\uc74c), <i>A<\/i>\ub294 \ucf54\uc77c\uc758 \ub2e8\uba74\uc801, \uadf8\ub9ac\uace0 <i>l<\/i>\uc740 \ucf54\uc77c \uae38\uc774\uc785\ub2c8\ub2e4. \uc13c\ub354\uc2a4\ud2b8\uc758 \ub192\uc740 \ud22c\uacfc\uc728 \ub54c\ubb38\uc5d0 \uac19\uc740 \ud06c\uae30\uc758 \uc778\ub355\ud130\uc5d0\uc11c\ub3c4 \ub354 \ub192\uc740 \uc778\ub355\ud134\uc2a4 \uac12\uc744 \ub2ec\uc131\ud560 \uc218 \uc788\uc5b4, \uc778\ub355\ud130\uc758 \ud06c\uae30\ub97c \uc904\uc774\uba74\uc11c \ud6a8\uc728\uc744 \ub192\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uc13c\ub354\uc2a4\ud2b8\ub294 \ud569\uae08\uc758 \ud2b9\uc131\uacfc \uc804\uc790\uae30\uc801 \uc131\uc9c8 \ub54c\ubb38\uc5d0 \uc804\uae30 \ubc0f \uc804\uc790 \uc81c\ud488 \ubd84\uc57c\uc5d0\uc11c \uc911\uc694\ud55c \uc18c\uc7ac\ub85c \uc778\uc815\ubc1b\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub294 \ud604\ub300 \uae30\uc220\uc5d0\uc11c \ube7c\ub193\uc744 \uc218 \uc5c6\ub294 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud558\uba70, \uc9c0\uc18d\uc801\uc778 \uc5f0\uad6c\uc640 \uac1c\ubc1c\uc744 \ud1b5\ud574 \uc0c8\ub85c\uc6b4 \uc751\uc6a9 \ubd84\uc57c\ub97c \ucc3d\ucd9c\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc13c\ub354\uc2a4\ud2b8\uac00 \uac00\uc9c4 \uc7a5\uc810\uc740 \uc804\uae30\uacf5\ud559\uacfc \ubb3c\ub9ac\ud559 \ubd84\uc57c\uc5d0\uc11c \ub110\ub9ac \uc778\uc815\ub418\uace0 \uc788\uc73c\uba70, \uc55e\uc73c\ub85c\ub3c4 \uc774 \ubd84\uc57c\uc758 \ud601\uc2e0\uc744 \uacc4\uc18d \uc774\ub04c \uac83\uc73c\ub85c \uae30\ub300\ub429\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\uc13c\ub354\uc2a4\ud2b8\ub294 \uc790\uc131\uc744 \uc9c0\ub2cc \uc54c\ub8e8\ubbf8\ub284, \uc2e4\ub9ac\ucf58, \ucca0\uc758 \ud569\uae08\uc73c\ub85c \uc804\uc790 \uc81c\ud488\uc758 \ubcc0\uc555\uae30, \uc778\ub355\ud130\uc5d0\uc11c \ub192\uc740 \ud6a8\uc728\uacfc \ub0ae\uc740 \ud575\uc2ec \uc190\uc2e4\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n","protected":false},"author":1,"featured_media":180133,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","footnotes":""},"categories":[88],"tags":[89],"class_list":["post-147821","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-88","tag-89","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.9 - 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