{"id":15438,"date":"2022-10-20T15:40:36","date_gmt":"2022-10-20T06:40:36","guid":{"rendered":"http:\/\/ftz.myds.me\/wordpress\/?p=15438"},"modified":"2023-01-02T21:18:13","modified_gmt":"2023-01-02T12:18:13","slug":"3%ec%83%81-%eb%8b%a8%eb%9d%bd-%ec%98%88%ec%a0%9c2","status":"publish","type":"post","link":"http:\/\/ftz.myds.me\/wordpress\/3%ec%83%81-%eb%8b%a8%eb%9d%bd-%ec%98%88%ec%a0%9c2\/","title":{"rendered":"\uc608\uc81c2(\ubc1c\uc804\uae30)\u2055"},"content":{"rendered":"\n<h6><meta charset=\"utf-8\"><a href=\"http:\/\/ftz.myds.me\/wordpress\/%eb%8c%80%ec%b9%ad-%eb%8b%a8%eb%9d%bd%ec%a0%84%eb%a5%98\/\">\ub300\uce6d \ub2e8\ub77d\uc804\ub958<\/a>\/<a href=\"http:\/\/ftz.myds.me\/wordpress\/3%ec%83%81-%eb%8b%a8%eb%9d%bd-%ec%98%88%ec%a0%9c1\/\">\uc608\uc81c(\uc804\ub825\uacc4\ud1b5)<\/a>\/<a href=\"http:\/\/ftz.myds.me\/wordpress\/3%ec%83%81-%eb%8b%a8%eb%9d%bd-%ec%98%88%ec%a0%9c2\/\">\uc608\uc81c(\ubc1c\uc804\uae30)<\/a>\/<a href=\"http:\/\/ftz.myds.me\/wordpress\/%ec%b0%a8%eb%8b%a8%ea%b8%b0%ec%9a%a9%eb%9f%89%ea%b3%84%ec%82%b0-%ec%98%88%ec%a0%9c3\/\">\uc608\uc81c(\ucc28\ub2e8\uae30)<\/a>\/<a href=\"http:\/\/ftz.myds.me\/wordpress\/3%ec%83%81-%eb%8b%a8%eb%9d%bd%ea%b3%a0%ec%9e%a5-%ec%98%88%ec%a0%9c4\/\">\uc608\uc81c(\uc774\uc911\ubaa8\uc120)<\/a><\/h6>\n\n\n\n<p class=\"has-text-align-right\">\ub300\uce6d \ub2e8\ub77d\uc804\ub958 \uc608\uc81c2<\/p>\n\n\n\n<blockquote class=\"wp-block-quote\"><p>\ub2e4\uc74c \uadf8\ub9bc\uc5d0\uc11c S\uc810\uc5d0\uc11c 3\uc0c1 \ub2e8\ub77d\uc774 \ubc1c\uc0dd\ud558\uc600\ub2e4. \uc774\ub54c\uc758 3\uc0c1 \ub2e8\ub77d\uc804\ub958 \ubc0f 3\uc0c1\ub2e8\ub77d \uc6a9\ub7c9\uc744 \uacc4\uc0b0\ud558\uc2dc\uc624.<br>\ub2e8, G1, G2 : 30,000[kVA] 22[kV] \ub9ac\uc561\ud134\uc2a4 30[%]<br>\ubcc0\uc555\uae30 Tr\ub294 60,000[kVA] 22\/154[kV] \ub9ac\uc561\ud134\uc2a4 10[%]<br>\uc1a1\uc804\uc120 Tr, S\uac04\uc740 120[km]\ub85c \ud558\uace0 \uc120\ub85c \uc784\ud53c\ub358\uc2a4\ub294 Z=0+j0.5[\u2126\/km]\ub77c \ud55c\ub2e4.<\/p><\/blockquote>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"376\" src=\"http:\/\/ftz.myds.me\/wordpress\/wp-content\/uploads\/2022\/10\/3\uc0c1-\ub2e8\ub77d-\uc608\uc81c21.png\" alt=\"\" class=\"wp-image-15439\" srcset=\"http:\/\/ftz.myds.me\/wordpress\/wp-content\/uploads\/2022\/10\/3\uc0c1-\ub2e8\ub77d-\uc608\uc81c21.png 1024w, http:\/\/ftz.myds.me\/wordpress\/wp-content\/uploads\/2022\/10\/3\uc0c1-\ub2e8\ub77d-\uc608\uc81c21-300x110.png 300w, http:\/\/ftz.myds.me\/wordpress\/wp-content\/uploads\/2022\/10\/3\uc0c1-\ub2e8\ub77d-\uc608\uc81c21-768x282.png 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h4>\uae30\uc900\uac12<\/h4>\n\n\n\n<p>1) \uae30\uc900\uc6a9\ub7c9 100[MVA]<\/p>\n\n\n\n<p>2) \uae30\uc900 \uc784\ud53c\ub358\uc2a4(154kV \uae30\uc900)<\/p>\n\n\n\n<div class=\"wp-block-mathml-mathmlblock\">\\[Z_{b}=\\frac{V^2[kV]}{P_b[MVA]}=\\frac{154^2}{100}=237.16[\\Omega]\\]\n<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<h4>\uae30\uc900\uc6a9\ub7c9\uc73c\ub85c %Z \ud658\uc0b0<\/h4>\n\n\n\n<div class=\"wp-block-mathml-mathmlblock\">\\[\\%Z_g=30\\times\\frac{100}{30}=100[\\%]\\]\n\\[\\%Z_{tr}=10\\times\\frac{100}{60}=16.667[\\%]\\]\n\\[Z_L=\\frac{120\\times0.5}{237.16}\\times 100=25.3[\\%]\\]<\/div>\n\n\n\n<h4>\uc784\ud53c\ub358\uc2a4 \ud569\uc131<\/h4>\n\n\n\n<div class=\"wp-block-mathml-mathmlblock\">\\[\\%X=\\frac{100}{2}+16.667+25.3=91.966[\\%]\\]<\/div>\n\n\n\n<h4>3\uc0c1 \ub2e8\ub77d\uc804\ub958<\/h4>\n\n\n\n<div class=\"wp-block-mathml-mathmlblock\">\\[I_s=\\frac{100}{\\%X}\\times I_b=\\frac{100}{91.966}\\times\\frac{100,000}{\\sqrt3\\times 154}\\]\\[=407.65[A]\\]<\/div>\n\n\n\n<h4>3\uc0c1 \ub2e8\ub77d\uc6a9\ub7c9<\/h4>\n\n\n\n<div class=\"wp-block-mathml-mathmlblock\">\\[P_s=\\frac{100}{\\%X}\\times P_b=\\frac{100}{91.966}\\times 100\\]\\[=108.78[MVA]\\]<\/div>\n\n\n\n<h3>\u203b \uc624\uc634\ubc95<\/h3>\n\n\n\n<p>\ubcc0\uc555\uae30\uac00 \uc788\uc5b4\uc11c \uc784\ud53c\ub358\uc2a4 \ud658\uc0b0\uc5d0 \uad8c\uc218\ube44\ub97c \uace0\ub824\ud574 \uc8fc\uc5b4\uc57c \ud568.<\/p>\n\n\n\n<div class=\"wp-block-mathml-mathmlblock\">\\[a=\\frac{V_1}{V_2}=\\sqrt{\\frac{Z_1}{Z_2}}\\]<\/div>\n\n\n\n<p>1\ucc28\ub97c 2\ucc28\ub85c \ud658\uc0b0\ud558\ub294 \uacbd\uc6b0<\/p>\n\n\n\n<div class=\"wp-block-mathml-mathmlblock\">\\[a^2=\\frac{Z_1}{Z_2}\\to Z_2=\\frac{Z_1}{a^2}=Z_1\\times(\\frac{V_2}{V_1})^2\\]<\/div>\n\n\n\n<p>\u203b \uc2e4\uc81c \uc784\ud53c\ub358\uc2a4 \uac12\uc73c\ub85c \ubaa8\ub450 \ubcc0\ud658(\ubcc0\uc555\uae30 2\ucc28\ub85c \ud658\uc0b0, 154kV)<\/p>\n\n\n\n<div class=\"wp-block-mathml-mathmlblock\">\\[\\%Z=\\frac{PZ_{actual}}{10V^2}\\to Z_{actual}=\\%Z\\times\\frac{10V^2}{P}\\]<\/div>\n\n\n\n<h4>(154kV \uc804\uc555\uc5d0 \ub9de\ucd94\uc5b4) \uc2e4\uc81c \uc784\ud53c\ub358\uc2a4\ub85c \ud658\uc0b0<\/h4>\n\n\n\n<div class=\"wp-block-mathml-mathmlblock\">\\[Z_g=\\%Z_g\\times \\frac{10V_1^2}{P}\\times(\\frac{V_2}{V_1})^2\\]\\[=\\%Z_g\\times\\frac{10V_2^2}{P}=30\\times\\frac{10\\times154^2}{30,000}\\]\\[=237.16[\\Omega]\\]<\/div>\n\n\n\n<div class=\"wp-block-mathml-mathmlblock\">\\[Z_{tr}=10\\times\\frac{10\\times154^2}{60,000}=39.52\\Omega]\\]<\/div>\n\n\n\n<div class=\"wp-block-mathml-mathmlblock\">\\[Z_L=0.5\\times 120=60[\\Omega]\\]<\/div>\n\n\n\n<h4>\uc804\uccb4 \uc784\ud53c\ub358\uc2a4 \ud569\uc0b0<\/h4>\n\n\n\n<div class=\"wp-block-mathml-mathmlblock\">\\[Z=\\frac{237.16}{2}+39.52+60=218.32[\\Omega]\\]<\/div>\n\n\n\n<h4>3\uc0c1 \ub2e8\ub77d\uc804\ub958<\/h4>\n\n\n\n<div class=\"wp-block-mathml-mathmlblock\">\\[I_s=\\frac{E}{Z}=\\frac{V\/\\sqrt3}{Z}=\\frac{(154\/\\sqrt3)\\times10^{-3}}{218.32}\\]\\[=407.26[A]\\]<\/div>\n\n\n\n<h4>3\uc0c1 \ub2e8\ub77d\uc6a9\ub7c9<\/h4>\n\n\n\n<div class=\"wp-block-mathml-mathmlblock\">\\[P_s=\\sqrt3 VI=\\sqrt3\\times 154\\times10^3\\times 407.26\\]\\[=108.6[MVA]\\]<\/div>\n\n\n\n<h6><strong><em>\u2605<a href=\"http:\/\/ftz.myds.me\/wordpress\/j-%ea%b3%a0%ec%9e%a5%ea%b3%84%ec%82%b0\/\">\uace0\uc7a5\uacc4\uc0b0<\/a> <br><a href=\"http:\/\/ftz.myds.me\/wordpress\/%ea%b3%a0%ec%9e%a5-%ea%b3%84%ec%82%b0%ec%9d%98-%ea%b8%b0%ec%b4%88\/\">\uace0\uc7a5 \uacc4\uc0b0\uc758 \uae30\ucd08\u2055<br><\/a>&#8211;<a href=\"http:\/\/ftz.myds.me\/wordpress\/%ed%8d%bc%ec%84%bc%ed%8a%b8-%ec%9e%84%ed%94%bc%eb%8d%98%ec%8a%a4\/\">\ud37c\uc13c\ud2b8 \uc784\ud53c\ub358\uc2a4<\/a>\u2055<br>&#8211;<a href=\"http:\/\/ftz.myds.me\/wordpress\/%ea%b3%a0%ec%9e%a5-%ec%8b%9c%ea%b0%84%ec%97%90-%eb%94%b0%eb%a5%b8-%eb%b6%84%eb%a5%98\/\">\uace0\uc7a5 \uc2dc\uac04\uc5d0 \ub530\ub978 \ubd84\ub958<\/a>\u2055<br>&#8211;<a href=\"http:\/\/ftz.myds.me\/wordpress\/%ea%b3%a0%ec%9e%a5-%ec%9e%84%ed%94%bc%eb%8d%98%ec%8a%a4\/\">\uace0\uc7a5 \uc784\ud53c\ub358\uc2a4<\/a>\u2055<br>&#8211;<a href=\"http:\/\/ftz.myds.me\/wordpress\/%ec%a0%84%eb%a0%a5%ea%b3%84%ed%86%b5-%eb%8b%a8%eb%9d%bd%ec%82%ac%ea%b3%a0%ec%97%90-%eb%8c%80%ed%95%9c-%ea%b3%bc%eb%8f%84-%ed%95%b4%ec%84%9d\/\">\uc804\ub825\uacc4\ud1b5 \ub2e8\ub77d\uc0ac\uace0\uc5d0 \ub300\ud55c \uacfc\ub3c4 \ud574\uc11d<\/a>\u2055<\/em><\/strong><br><strong><em><br><a href=\"http:\/\/ftz.myds.me\/wordpress\/%eb%b3%80%ed%99%98%ec%9d%98-%ea%b8%b0%ec%b4%88\/\">\ubcc0\ud658\uc758 \uae30\ucd08<\/a><\/em><\/strong>\u2055<\/h6>\n\n\n\n<p>I&nbsp;<a href=\"https:\/\/cq4l.com\/%EB%8B%A8%EB%9D%BD%EC%A0%84%EB%A5%98-%EA%B8%B0%EB%B3%B8%EC%9D%B4%EB%A1%A0\/\">\ub2e8\ub77d\uc804\ub958(\uae30\ubcf8\uc774\ub860)<\/a><br>\u2192A&nbsp;<a href=\"https:\/\/cq4l.com\/%ea%b8%b0%ec%97%ac%ec%a0%84%eb%a5%98\/\">\uae30\uc5ec\uc804\ub958<\/a><br>\u2192Z&nbsp;<a href=\"https:\/\/cq4l.com\/%EB%8B%A8%EB%9D%BD%EC%A0%84%EB%A5%98-%EC%A2%85%EB%A5%98\/\">\ub2e8\ub77d\uc804\ub958(\uc885\ub958)<\/a><br>C&nbsp;<a href=\"https:\/\/cq4l.com\/%EB%8B%A8%EB%9D%BD%EC%A0%84%EB%A5%98-%EA%B3%84%EC%82%B0%EB%B2%95-%EC%A2%85%EB%A5%98\/\">\ub2e8\ub77d\uc804\ub958(\uacc4\uc0b0\ubc95 \uc885\ub958)<\/a><br>\u2192Y&nbsp;<a href=\"https:\/\/cq4l.com\/%EB%8C%80%EC%B9%AD%EC%A2%8C%ED%91%9C%EB%B2%95\/\">\ub300\uce6d\uc88c\ud45c\ubc95<\/a><br>P&nbsp;<a href=\"https:\/\/cq4l.com\/%EC%88%98%EB%B3%80%EC%A0%84%EC%84%A4%EB%B9%84-%EB%8B%A8%EB%9D%BD%EC%9A%A9%EB%9F%89-%EA%B2%BD%EA%B0%90%EB%8C%80%EC%B1%85\/\">\ub2e8\ub77d\uc6a9\ub7c9 \uacbd\uac10\ub300\ucc45(\uc218\ubcc0\uc804\uc124\ube44)<\/a><br>\u2192N&nbsp;<a href=\"https:\/\/cq4l.com\/%EA%B3%84%ED%86%B5%EC%97%B0%EA%B3%84%EA%B8%B0\/\">\uacc4\ud1b5\uc5f0\uacc4\uae30<\/a><br>\u2192S<a href=\"https:\/\/cq4l.com\/%EC%B4%88%EC%A0%84%EB%8F%84-%ED%95%9C%EB%A5%98%EA%B8%B0\/\">\ucd08\uc804\ub3c4 \ud55c\ub958\uae30<\/a><\/p>\n\n\n\n<p>F\u00a0<a href=\"https:\/\/cq4l.com\/%EB%8B%A8%EB%9D%BD%EC%A0%84%EB%A5%98-%EA%B3%84%EC%82%B0-flow\/\">\ub2e8\ub77d\uc804\ub958(\uacc4\uc0b0)<\/a><br>\u21920\u00a0<a href=\"https:\/\/cq4l.com\/a%EC%A0%90%EA%B3%BC-b%EC%A0%90%EC%9D%98-%EB%8B%A8%EB%9D%BD%EC%A0%84%EB%A5%98-%EA%B3%84%EC%82%B0\/\">\ub2e8\ub77d\uc804\ub958 \uacc4\uc0b0(\uae30\ubcf8)<\/a><br>\u21921\u00a0<a href=\"https:\/\/cq4l.com\/1%EC%84%A0-%EC%A7%80%EB%9D%BD%EC%A0%84%EB%A5%98-%EC%9C%A0%EB%8F%84\/\">1\uc120\uc9c0\ub77d\uc804\ub958 \uc720\ud6a8\uc811\uc9c0<\/a><br>\u21922\u00a0<a href=\"https:\/\/cq4l.com\/2%EC%84%A0-%EB%8B%A8%EB%9D%BD%EA%B3%A0%EC%9E%A5%EA%B3%BC-3%EC%83%81-%EB%8B%A8%EB%9D%BD%EC%82%AC%EA%B3%A0%EC%9D%98-%EB%B9%84-%EA%B3%84%EC%82%B0\/\">2\uc120\ub2e8\ub77d 3\uc0c1\ub2e8\ub77d<\/a><br>\u21923\u00a0<a href=\"https:\/\/cq4l.com\/3%EC%83%81%EB%8B%A8%EB%9D%BD%EC%A0%84%EB%A5%98-%EB%B0%8F-%EB%8B%A8%EB%9D%BD%EC%9A%A9%EB%9F%89\/\">3\uc0c1\ub2e8\ub77d(\ub2e8\ub77d\uc804\ub958 \ub2e8\ub77d\uc6a9\ub7c9)<\/a><br>\u2192M\u00a0<a href=\"https:\/\/cq4l.com\/%EB%8B%A8%EB%9D%BD%EC%A0%84%EB%A5%98-%EA%B3%84%EC%82%B0%EC%A0%84%EB%8F%99%EA%B8%B0\/\">\ub2e8\ub77d\uc804\ub958 \uacc4\uc0b0(\uc804\ub3d9\uae30)<\/a><br>\u2192D\u00a0<a href=\"https:\/\/cq4l.com\/%EB%8B%A8%EB%9D%BD%EC%9A%A9%EB%9F%89-%EA%B3%84%EC%82%B0%EB%B6%84%EC%82%B0%EC%A0%84%EC%9B%90\/\">\ub2e8\ub77d\uc804\ub958 \uacc4\uc0b0(\ubd84\uc0b0\uc804\uc6d0)<\/a><br>\u2192R\u00a0<a href=\"https:\/\/cq4l.com\/3%EC%83%81%EB%8B%A8%EB%9D%BD%EA%B3%A0%EC%9E%A5%ED%95%9C%EB%A5%98%EB%A6%AC%EC%95%A1%ED%84%B0\/\">3\uc0c1\ub2e8\ub77d\uace0\uc7a5(\ud55c\ub958\ub9ac\uc561\ud130)<\/a><br>\u2192T\u00a0<a href=\"https:\/\/cq4l.com\/1%EC%84%A0%EC%A7%80%EB%9D%BD%EC%A0%84%EB%A5%98%EC%99%80-3%EC%83%81%EB%8B%A8%EB%9D%BD%EC%A0%84%EB%A5%98%EA%B3%84%EC%82%B0\/\">1\uc120\uc9c0\ub77d\uc804\ub958 3\uc0c1\ub2e8\ub77d\uc804\ub958<\/a><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><strong><em>&#8211;<a 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\ub2e4\uc74c \uadf8\ub9bc\uc5d0\uc11c S\uc810\uc5d0\uc11c 3\uc0c1 \ub2e8\ub77d\uc774 \ubc1c\uc0dd\ud558\uc600\ub2e4. \uc774\ub54c\uc758 3\uc0c1 \ub2e8\ub77d\uc804\ub958 \ubc0f 3\uc0c1\ub2e8\ub77d \uc6a9\ub7c9\uc744 \uacc4\uc0b0\ud558\uc2dc\uc624.\ub2e8, G1, G2 : 30,000[kVA] 22[kV] \ub9ac\uc561\ud134\uc2a4 30[%]\ubcc0\uc555\uae30 Tr\ub294 60,000[kVA] 22\/154[kV] \ub9ac\uc561\ud134\uc2a4 10[%]\uc1a1\uc804\uc120 Tr, S\uac04\uc740 120[km]\ub85c \ud558\uace0 \uc120\ub85c \uc784\ud53c\ub358\uc2a4\ub294 Z=0+j0.5[\u2126\/km]\ub77c \ud55c\ub2e4. \uae30\uc900\uac12 1) \uae30\uc900\uc6a9\ub7c9 100[MVA] 2) \uae30\uc900 \uc784\ud53c\ub358\uc2a4(154kV \uae30\uc900) \uae30\uc900\uc6a9\ub7c9\uc73c\ub85c %Z \ud658\uc0b0 \uc784\ud53c\ub358\uc2a4 \ud569\uc131 3\uc0c1 \ub2e8\ub77d\uc804\ub958 3\uc0c1 \ub2e8\ub77d\uc6a9\ub7c9 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