{"id":5943,"date":"2022-07-10T17:47:21","date_gmt":"2022-07-10T08:47:21","guid":{"rendered":"http:\/\/ftz.myds.me\/wordpress\/?p=5943"},"modified":"2023-01-01T12:45:26","modified_gmt":"2023-01-01T03:45:26","slug":"%ed%8a%b9%ec%84%b1-%ec%9e%84%ed%94%bc%eb%8d%98%ec%8a%a4","status":"publish","type":"post","link":"http:\/\/ftz.myds.me\/wordpress\/%ed%8a%b9%ec%84%b1-%ec%9e%84%ed%94%bc%eb%8d%98%ec%8a%a4\/","title":{"rendered":"\ud2b9\uc131 \uc784\ud53c\ub358\uc2a4\u2055"},"content":{"rendered":"\n<h6><a href=\"http:\/\/ftz.myds.me\/wordpress\/%EC%9D%B8%EB%8D%95%ED%84%B4%EC%8A%A4-%EC%A0%95%EC%A0%84%EC%9A%A9%EB%9F%89-%ED%8A%B9%EC%84%B1-%EC%9E%84%ED%94%BC%EB%8D%98%EC%8A%A4\/\">\uc778\ub355\ud134\uc2a4<\/a>\/<a href=\"http:\/\/ftz.myds.me\/wordpress\/3%EC%83%81-1%ED%9A%8C%EC%84%A0-1%EC%84%A0%EB%8B%B9-%EC%9E%91%EC%9A%A9-%EC%9D%B8%EB%8D%95%ED%84%B4%EC%8A%A4\/\">3\uc0c1 1\ud68c\uc120 1\uc120\ub2f9 \uc791\uc6a9 \uc778\ub355\ud134\uc2a4<\/a>\/<br><a href=\"http:\/\/ftz.myds.me\/wordpress\/%ec%a0%95%ec%a0%84%ec%9a%a9%eb%9f%89\/\">\uc815\uc804\uc6a9\ub7c9<\/a>\/<a href=\"http:\/\/ftz.myds.me\/wordpress\/%EC%A0%95%EC%A0%84%EC%9A%A9%EB%9F%89-%EB%AC%B8%EC%A0%9C1\/\">\uc608\uc81c1<\/a>\/<a href=\"http:\/\/ftz.myds.me\/wordpress\/%EC%A0%95%EC%A0%84%EC%9A%A9%EB%9F%89-%EB%AC%B8%EC%A0%9C2%E2%81%95\/\">\uc608\uc81c2<\/a>\/<br><a href=\"http:\/\/ftz.myds.me\/wordpress\/%ed%8a%b9%ec%84%b1-%ec%9e%84%ed%94%bc%eb%8d%98%ec%8a%a4\/\">\ud2b9\uc131 \uc784\ud53c\ub358\uc2a4<\/a><\/h6>\n\n\n\n<p><meta charset=\"utf-8\">[acf field=ver]\u2605[acf field=rate]![acf field=edited] <\/p>\n\n\n\n<p class=\"has-text-align-right\"><strong>\ud2b9\uc131 \uc784\ud53c\ub358\uc2a4<\/strong><\/p>\n\n\n\n<h3>\ud2b9\uc131 \uc784\ud53c\ub358\uc2a4<\/h3>\n\n\n\n<p>(Characteristic Impedance)<\/p>\n\n\n\n<p>\ub1cc\uc11c\uc9c0, \uac1c\ud3d0\uc11c\uc9c0\uc5d0 \uc758\ud574\uc11c \ubc1c\uc0dd\ub41c \uc9c4\ud589\ud30c \uc804\uc555\uc740 \uc804\uc1a1\uc120\ub85c\ub97c \ucda9\uc804\ud558\uba74\uc11c \uc9c4\ud589\ud55c\ub2e4. \uadf8\ub54c \uc9c4\ud589\ud30c \uc804\uc555\uc774 \uc120\ub85c\ub97c \ucda9\uc804\ud558\uba74\uc11c \ucda9\uc804\uc804\ub958\uac00 \uc21c\uac04\uc801\uc73c\ub85c \ud750\ub974\uac8c \ub41c\ub2e4. \uc774 \uc9c4\ud589\ud30c \uc804\uc555\uacfc \uc804\ub958\uc758 \uc21c\uc2dc\uc801\uc778 \ube44\ub97c \uc774 \uc804\uc1a1\uc120\ub85c\uc758 \ud2b9\uc131 \uc784\ud53c\ub358\uc2a4\ub77c\uace0 \ud55c\ub2e4. \ud2b9\uc131 \uc784\ud53c\ub358\uc2a4\uac00 \ub2e4\ub978 \ubd80\ubd84\uc744 \ub9cc\ub098\uba74 \ubc18\uc0ac\uac00 \ubc1c\uc0dd\ub41c\ub2e4.<\/p>\n\n\n\n<p>\uc804\uc1a1\uc120\ub85c\uc5d0\uc11c \ud30c\ub3d9\uc784\ud53c\ub358\uc2a4\uc758 \ud574\uc11d\uc740 \ubb34\uc190\uc2e4\uc120\ub85c(r=0, G=0)\uc778 \uc870\uac74\uc73c\ub85c \ud574\uc11d<\/p>\n\n\n\n<div class=\"wp-block-mathml-mathmlblock\">\\[Z_0=\\sqrt{\\frac{Z}{Y}}=\\sqrt{\\frac{r+jw}{g+jb}}\\backsimeq\\sqrt{\\frac{j\\omega L}{j\\omega C}}=\\sqrt{\\frac{L}{C}}\\]<script src='http:\/\/ftz.myds.me\/wordpress\/wp-includes\/js\/dist\/vendor\/regenerator-runtime.min.js?ver=0.13.9' id='regenerator-runtime-js'><\/script>\n<script src='http:\/\/ftz.myds.me\/wordpress\/wp-includes\/js\/dist\/vendor\/wp-polyfill.min.js?ver=3.15.0' id='wp-polyfill-js'><\/script>\n<script src='http:\/\/ftz.myds.me\/wordpress\/wp-includes\/js\/dist\/hooks.min.js?ver=4169d3cf8e8d95a3d6d5' id='wp-hooks-js'><\/script>\n<script src='http:\/\/ftz.myds.me\/wordpress\/wp-includes\/js\/dist\/i18n.min.js?ver=9e794f35a71bb98672ae' id='wp-i18n-js'><\/script>\n<script id='wp-i18n-js-after'>\nwp.i18n.setLocaleData( { 'text direction\\u0004ltr': [ 'ltr' ] } );\n<\/script>\n<script  async src='https:\/\/cdnjs.cloudflare.com\/ajax\/libs\/mathjax\/2.7.7\/MathJax.js?config=TeX-MML-AM_CHTML' id='mathjax-js'><\/script>\n<\/div>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"744\" height=\"304\" src=\"http:\/\/ftz.myds.me\/wordpress\/wp-content\/uploads\/2022\/10\/\u1110\u1173\u11a8\u1109\u1165\u11bc\u110b\u1175\u11b7\u1111\u1175\u1103\u1165\u11ab\u1109\u1173.png\" alt=\"\" class=\"wp-image-16447\" srcset=\"http:\/\/ftz.myds.me\/wordpress\/wp-content\/uploads\/2022\/10\/\u1110\u1173\u11a8\u1109\u1165\u11bc\u110b\u1175\u11b7\u1111\u1175\u1103\u1165\u11ab\u1109\u1173.png 744w, http:\/\/ftz.myds.me\/wordpress\/wp-content\/uploads\/2022\/10\/\u1110\u1173\u11a8\u1109\u1165\u11bc\u110b\u1175\u11b7\u1111\u1175\u1103\u1165\u11ab\u1109\u1173-300x123.png 300w\" sizes=\"(max-width: 744px) 100vw, 744px\" \/><figcaption>\ud2b9\uc131\uc784\ud53c\ub358\uc2a4<\/figcaption><\/figure>\n\n\n\n<h3>\uc804\uc555, \uc804\ub958\uc758 \uc9c4\ud589\ud30c \uac1c\ub150\uc73c\ub85c \ud574\uc11d<\/h3>\n\n\n\n<p>dx\uad6c\uac04\uc5d0 \ucda9\uc804\ub420 \uc804\ud558\ub7c9<\/p>\n\n\n\n<div class=\"wp-block-mathml-mathmlblock\">\\[dQ=CVdx\\]<\/div>\n\n\n\n<p>dx\uad6c\uac04\uc758 \ucda9\uc804\uc804\ub958 (v : \uc9c4\ud589\ud30c \uc804\uc1a1\uc18d\ub3c4)<\/p>\n\n\n\n<div class=\"wp-block-mathml-mathmlblock\">\\[I=\\frac{dQ}{dt}=CV\\frac{dx}{dt}=CVv\\]<\/div>\n\n\n\n<p>\ubbf8\uc18c\uc804\ub958 Idx\uc5d0\uc758\ud55c \uc1c4\uad50\uc790\uc18d\uc744 d\u03a6\ub77c \ud558\uba74 \uc778\ub355\ud134\uc2a4\ub294<\/p>\n\n\n\n<div class=\"wp-block-mathml-mathmlblock\">\\[I=\\frac{d\\Phi}{Idx}\\to d\\Phi=LI dx\\]<\/div>\n\n\n\n<p>\uc720\uae30\uae30\uc804\ub825<\/p>\n\n\n\n<div class=\"wp-block-mathml-mathmlblock\">\\[V=\\frac{d\\Phi}{dt}=LI\\frac{dx}{dt}=LIv\\]<\/div>\n\n\n\n<p>\ud2b9\uc131 \uc784\ud53c\ub358\uc2a4<\/p>\n\n\n\n<div class=\"wp-block-mathml-mathmlblock\">\\[Z_0=\\frac{V}{I}=\\frac{LIv}{CVv}=\\frac{LI}{CV}\\]\n\\[\\to Z_0=\\sqrt{\\frac{L}{C}}\\to v=\\frac{1}{\\sqrt{LC}}\\]<\/div>\n\n\n\n<h3>\uac00\uacf5\uc120\ub85c\uc640 \ucf00\uc774\ube14\uc758 \ud2b9\uc131 \uc784\ud53c\ub358\uc2a4, \uc9c4\ud589\ud30c \uc9c4\ud589\uc18d\ub3c4 \ube44\uad50<\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"645\" src=\"http:\/\/ftz.myds.me\/wordpress\/wp-content\/uploads\/2022\/10\/\u1100\u1161\u1100\u1169\u11bc\u110c\u1165\u11ab\u1109\u1165\u11ab\u1105\u1169\u110f\u1166\u110b\u1175\u1107\u1173\u11af.png\" alt=\"\" class=\"wp-image-16449\" srcset=\"http:\/\/ftz.myds.me\/wordpress\/wp-content\/uploads\/2022\/10\/\u1100\u1161\u1100\u1169\u11bc\u110c\u1165\u11ab\u1109\u1165\u11ab\u1105\u1169\u110f\u1166\u110b\u1175\u1107\u1173\u11af.png 1024w, http:\/\/ftz.myds.me\/wordpress\/wp-content\/uploads\/2022\/10\/\u1100\u1161\u1100\u1169\u11bc\u110c\u1165\u11ab\u1109\u1165\u11ab\u1105\u1169\u110f\u1166\u110b\u1175\u1107\u1173\u11af-300x189.png 300w, http:\/\/ftz.myds.me\/wordpress\/wp-content\/uploads\/2022\/10\/\u1100\u1161\u1100\u1169\u11bc\u110c\u1165\u11ab\u1109\u1165\u11ab\u1105\u1169\u110f\u1166\u110b\u1175\u1107\u1173\u11af-768x484.png 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption>\uac00\uacf5\uc804\uc120\ub85c,\ucf00\uc774\ube14<\/figcaption><\/figure>\n\n\n\n<h4>1) \uc778\ub355\ud134\uc2a4<\/h4>\n\n\n\n<p>\uac00\uacf5\uc120<\/p>\n\n\n\n<div class=\"wp-block-mathml-mathmlblock\">\\[L\\backsimeq 0.4605\\log_{10}\\frac{2h}{r}[mH\/km]\\]<\/div>\n\n\n\n<p>\ucf00\uc774\ube14<\/p>\n\n\n\n<div class=\"wp-block-mathml-mathmlblock\">\\[L\\backsimeq 0.4605\\log_{10}\\frac{R}{r}[mH\/km]\\]<\/div>\n\n\n\n<h4>2) \uc815\uc804\uc6a9\ub7c9<\/h4>\n\n\n\n<p>\uac00\uacf5\uc120<\/p>\n\n\n\n<div class=\"wp-block-mathml-mathmlblock\">\\[C\\backsimeq\\frac{0.02413}{\\log_{10}\\frac{2h}{r}}[\\mu F\/km]\\]<\/div>\n\n\n\n<p>\ucf00\uc774\ube14<\/p>\n\n\n\n<div class=\"wp-block-mathml-mathmlblock\">\\[C\\backsimeq\\frac{0.02413\\epsilon_r}{\\log_{10}\\frac{R}{r}}[\\mu F\/km]\\]<\/div>\n\n\n\n<h4>3) \ud2b9\uc131 \uc784\ud53c\ub358\uc2a4<\/h4>\n\n\n\n<p>(\uac00\uacf5\uc120: 300~500[\u03a9], \ucf00\uc774\ube14: 30~50[\u03a9])<\/p>\n\n\n\n<p>\uac00\uacf5\uc120<\/p>\n\n\n\n<div class=\"wp-block-mathml-mathmlblock\">\\[Z_0=\\sqrt{\\frac{L}{C}}=\\sqrt{\\frac{0.4605\\log_{10}\\frac{2h}{r}\\times 10^{-3}}{\\frac{0.02413}{\\log_{10}\\frac{2h}{r}}\\times 10^{-6}}}\\]\\[1.38\\times \\log{10}\\frac{2h}{r}[\\Omega]\\]<\/div>\n\n\n\n<p>\ucf00\uc774\ube14<\/p>\n\n\n\n<div class=\"wp-block-mathml-mathmlblock\">\\[Z_0=\\sqrt{\\frac{L}{C}}=\\sqrt{\\frac{0.4605\\log_{10}\\frac{R}{r}\\times 10^{-3}}{\\frac{0.02413\\epsilon_r}{\\log_{10}\\frac{R}{r}}\\times 10^{-6}}}\\]\\[\\frac{138}{\\sqrt{\\epsilon_r}}\\times \\log{10}\\frac{R}{r}[\\Omega]\\]<\/div>\n\n\n\n<h4>4) \uc9c4\ud589\ud30c\uc758 \uc804\ud30c\uc18d\ub3c4<\/h4>\n\n\n\n<p>(\uac00\uacf5\uc120: \uad11\uc18d, \ucf00\uc774\ube14: \ube44\uc720\uc804\ub960\uc5d0 \uc99d\uac00\ub85c \uc18d\ub3c4 \uac10\uc18c)<\/p>\n\n\n\n<p>\u2460 \uac00\uacf5\uc120<\/p>\n\n\n\n<div class=\"wp-block-mathml-mathmlblock\">\\[v=1\/\\sqrt{LC}\\]\n\\[=1\/\\sqrt{0.4605\\log_{10}\\frac{2h}{r}\\times 10^{-3}\\times \\frac{0.02413}{\\log_{10}\\frac{2h}{r}}\\times 10^{-6}}\\]\\[=3\\times 10^8[m\/s]\\]<\/div>\n\n\n\n<p>\u2461 \ucf00\uc774\ube14<\/p>\n\n\n\n<div class=\"wp-block-mathml-mathmlblock\">\\[v=1\/\\sqrt{LC}\\]\n\\[=1\/\\sqrt{0.4605\\log_{10}\\frac{R}{r}\\times 10^{-3}\\times \\frac{0.02413\\epsilon_r}{\\log_{10}\\frac{R}{r}}\\times 10^{-6}}\\]\\[=\\frac{3\\times 10^8}{\\sqrt{\\epsilon_r}}[m\/s]\\]<\/div>\n\n\n\n<h6><strong>\u2605<a href=\"http:\/\/ftz.myds.me\/wordpress\/f-%EC%86%A1%EC%A0%84%EC%9D%BC%EB%B0%98\/\">\uc1a1\uc804\uc77c\ubc18<\/a><br><a href=\"http:\/\/ftz.myds.me\/wordpress\/%ea%b5%ad%eb%82%b4-%ec%a0%84%eb%a0%a5%ec%84%a4%eb%b9%84%ec%9d%98-%ed%98%84%ed%99%a9\/\">\uad6d\ub0b4 \uc804\ub825\uc124\ube44\uc758 \ud604\ud669(1)<\/a><br>&#8211;<meta charset=\"utf-8\"><a href=\"http:\/\/ftz.myds.me\/wordpress\/765kv-%ec%86%a1%ec%a0%84%ec%84%a0%eb%a1%9c\/\">765kV \uc1a1\uc804\uc120\ub85c<\/a><br><a href=\"http:\/\/ftz.myds.me\/wordpress\/hvdc-%ec%86%a1%ec%a0%84%eb%b0%a9%ec%8b%9d%ea%b3%bc-%ea%b5%90%eb%a5%98-%ec%86%a1%ec%a0%84%eb%b0%a9%ec%8b%9d\/\">HVDC \uc1a1\uc804\ubc29\uc2dd\uacfc \uad50\ub958 \uc1a1\uc804\ubc29\uc2dd<\/a><br>&#8211;<a href=\"http:\/\/ftz.myds.me\/wordpress\/hvdc-%ec%86%a1%ec%a0%84%eb%b0%a9%ec%8b%9d%ea%b3%bc-%ea%b5%90%eb%a5%98-%ec%86%a1%ec%a0%84%eb%b0%a9%ec%8b%9d-%eb%ac%b8%ec%a0%9c\/\">\ubb38\uc81c<\/a><br><a href=\"http:\/\/ftz.myds.me\/wordpress\/%ea%b0%80%ea%b3%b5%ec%a0%84%ec%84%a0%eb%a1%9c%ec%9d%98-%ec%a7%84%eb%8f%99%ec%9d%98-%ec%9b%90%ec%9d%b8%ea%b3%bc-%eb%8c%80%ec%b1%85\/\">\uac00\uacf5\uc804\uc120\ub85c\uc758 \uc9c4\ub3d9\uc758 \uc6d0\uc778\uacfc \ub300\ucc45<\/a><br><a href=\"http:\/\/ftz.myds.me\/wordpress\/%ec%bd%94%eb%a1%9c%eb%82%98-3\/\"><\/a><a href=\"http:\/\/ftz.myds.me\/wordpress\/%ec%bd%94%eb%a1%9c%eb%82%98\/\" target=\"_blank\" rel=\"noreferrer noopener\">\ucf54\ub85c\ub098<\/a> <br><a href=\"http:\/\/ftz.myds.me\/wordpress\/%EC%BD%94%EB%A1%9C%EB%82%98-3\/\">\ucf54\ub85c\ub098\uc784\uacc4\uc804\uc555\uc720\ub3c4<\/a> <br><a href=\"http:\/\/ftz.myds.me\/wordpress\/%eb%b3%b5%eb%8f%84%ec%b2%b4%eb%8b%a4%eb%8f%84%ec%b2%b4-%eb%b0%a9%ec%8b%9d%ec%9d%98-%ed%8a%b9%ec%a7%95\/\">\ubcf5\ub3c4\uccb4(\ub2e4\ub3c4\uccb4) \ubc29\uc2dd\uc758 \ud2b9\uc9d5<\/a><br><a href=\"http:\/\/ftz.myds.me\/wordpress\/%ec%95%a0%ec%9e%90%ec%9d%98-%ea%b5%ac%eb%b9%84%ec%a1%b0%ea%b1%b4-%eb%b0%8f-%ec%84%a0%ec%a0%95\/\">\uc560\uc790\uc758 \uad6c\ube44\uc870\uac74 \ubc0f \uc120\uc815<\/a><br><a href=\"http:\/\/ftz.myds.me\/wordpress\/%ec%86%a1%ec%a0%84%ec%9a%a9%eb%9f%89-%ec%a6%9d%eb%8c%80%eb%b0%a9%ec%95%88\/\">\uc1a1\uc804\uc6a9\ub7c9 \uc99d\ub300\ubc29\uc548<\/a><\/strong><br><meta charset=\"utf-8\"><a href=\"http:\/\/ftz.myds.me\/wordpress\/%EC%9D%B8%EB%8D%95%ED%84%B4%EC%8A%A4-%EC%A0%95%EC%A0%84%EC%9A%A9%EB%9F%89-%ED%8A%B9%EC%84%B1-%EC%9E%84%ED%94%BC%EB%8D%98%EC%8A%A4\/\">\uc778\ub355\ud134\uc2a4<\/a>\/<a href=\"http:\/\/ftz.myds.me\/wordpress\/3%EC%83%81-1%ED%9A%8C%EC%84%A0-1%EC%84%A0%EB%8B%B9-%EC%9E%91%EC%9A%A9-%EC%9D%B8%EB%8D%95%ED%84%B4%EC%8A%A4\/\">3\uc0c1 1\ud68c\uc120 1\uc120\ub2f9 \uc791\uc6a9 \uc778\ub355\ud134\uc2a4<\/a><br><a href=\"http:\/\/ftz.myds.me\/wordpress\/%ec%a0%95%ec%a0%84%ec%9a%a9%eb%9f%89\/\">\uc815\uc804\uc6a9\ub7c9<\/a>\/<a href=\"http:\/\/ftz.myds.me\/wordpress\/%EC%A0%95%EC%A0%84%EC%9A%A9%EB%9F%89-%EB%AC%B8%EC%A0%9C1\/\">\uc608\uc81c1<\/a>\/<a href=\"http:\/\/ftz.myds.me\/wordpress\/%EC%A0%95%EC%A0%84%EC%9A%A9%EB%9F%89-%EB%AC%B8%EC%A0%9C2%E2%81%95\/\">\uc608\uc81c2<\/a>\/<br><a href=\"http:\/\/ftz.myds.me\/wordpress\/%ed%8a%b9%ec%84%b1-%ec%9e%84%ed%94%bc%eb%8d%98%ec%8a%a4\/\">\ud2b9\uc131 \uc784\ud53c\ub358\uc2a4<\/a><strong><br><a 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