{"id":6143,"date":"2022-06-25T19:40:36","date_gmt":"2022-06-25T10:40:36","guid":{"rendered":"http:\/\/ftz.myds.me\/wordpress\/?p=6143"},"modified":"2023-01-04T15:45:25","modified_gmt":"2023-01-04T06:45:25","slug":"%eb%8c%80%ec%b9%ad-%eb%8b%a8%eb%9d%bd%ec%a0%84%eb%a5%98","status":"publish","type":"post","link":"http:\/\/ftz.myds.me\/wordpress\/%eb%8c%80%ec%b9%ad-%eb%8b%a8%eb%9d%bd%ec%a0%84%eb%a5%98\/","title":{"rendered":"\ub300\uce6d \ub2e8\ub77d\uc804\ub958\u2055"},"content":{"rendered":"\n<p><meta charset=\"utf-8\">[acf field=ver]\u2605[acf field=rate]![acf field=edited] <\/p>\n\n\n\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\"><strong>\ub300\uce6d \ub2e8\ub77d\uc804\ub958<\/strong><\/p>\n\n\n\n<blockquote class=\"wp-block-quote\"><p>\ub2e4\uc74c\uacfc \uac19\uc740 \uacc4\ud1b5\uc5d0\uc11c \ubcc0\uc555\uae30\uc758 \ucd9c\ub825\ub2e8\uc73c\ub85c\ubd80\ud130 50[M] \uc9c0\uc810\uc778 F1\uc810\uc5d0\uc11c 3\uc0c1 \ub2e8\ub77d\uc0ac\uace0\uac00 \ubc1c\uc0dd\ud558\uc600\ub2e4. \uc8fc\uc5b4\uc9c4 \uac12\uc744 \ucc38\uc870\ud558\uc5ec F1\uc810\uc5d0\uc11c\uc758 3\uc0c1 \ub2e8\ub77d\uc804\ub958\ub97c \uacc4\uc0b0\ud558\uc5ec\ub77c. (\ub2e8, \ubcc0\uc555\uae30 \uc6a9\ub7c9\uae30\uc900\uc73c\ub85c \ud37c\uc13c\ud2b8 \uc784\ud53c\ub358\uc2a4\ub85c \uacc4\uc0b0\ud558\uc2dc\uc624)<\/p><\/blockquote>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"http:\/\/ftz.myds.me\/wordpress\/wp-content\/uploads\/2022\/07\/\u1103\u1162\u110e\u1175\u11bc\u1103\u1161\u11ab\u1105\u1161\u11a8\u110c\u1165\u11ab\u1105\u11724-490x1024-1.png\" alt=\"\" class=\"wp-image-9773\" width=\"143\" height=\"299\" srcset=\"http:\/\/ftz.myds.me\/wordpress\/wp-content\/uploads\/2022\/07\/\u1103\u1162\u110e\u1175\u11bc\u1103\u1161\u11ab\u1105\u1161\u11a8\u110c\u1165\u11ab\u1105\u11724-490x1024-1.png 490w, http:\/\/ftz.myds.me\/wordpress\/wp-content\/uploads\/2022\/07\/\u1103\u1162\u110e\u1175\u11bc\u1103\u1161\u11ab\u1105\u1161\u11a8\u110c\u1165\u11ab\u1105\u11724-490x1024-1-144x300.png 144w\" sizes=\"(max-width: 143px) 100vw, 143px\" \/><\/figure><\/div>\n\n\n\n<p>1) KEPCO\uce21 \uc784\ud53c\ub358\uc2a4 100[MVA], X\/R=10<br>2) TR: 22.9\/0.38[kV], 500[kVA] %Z=2.0+j5.0<br>3) ZL1=0.2+j0.15[\u03a9\/km], 2 [km]<br>4) ZL2=0.1+j0.10[\u03a9\/km], 50 [m]<br>5) \uc804\ub3d9\uae30\uc758 \uc6a9\ub7c9 150[kVA], %Z=j15[%]<\/p>\n\n\n\n<h4>\uae30\uc900\uac12<\/h4>\n\n\n\n<p>\u2460 \uae30\uc900\uc6a9\ub7c9: 500 [kVA] = 0.5 [MVA]<\/p>\n\n\n\n<p>\u2461 \uae30\uc900 \uc784\ud53c\ub358\uc2a4<\/p>\n\n\n\n<div class=\"wp-block-mathml-mathmlblock\">\\[Z_{b,22.9}=\\frac{V^2[kV]}{P_b[MVA]}=\\frac{22.9^2}{0.5}=1,048.82[\\Omega]\\]\n\\[Z_{b,0.38}=\\frac{V^2[kV]}{P_b[MVA]}=\\frac{0.38^2}{0.5}=0.288[\\Omega]\\]<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<p>1) KEPCO\uce21(\uc804\uc6d0\uce21 \uc784\ud53c\ub358\uc2a4 \uc0b0\ucd9c)<\/p>\n\n\n\n<div class=\"wp-block-mathml-mathmlblock\">\\[\\%Z_s=\\frac{P_b}{P_s}\\times 100=\\frac{0.5}{100}\\times 100=0.5[\\%]\\]\n\\[\\%Z_s=\\]\\[\\%Z_s\\cdot\\cos(\\tan^{-1}10)+j\\%Z_s\\cdot\\sin(\\tan^{-1}10)\\]\\[=0.04975+j0.4975\\]<\/div>\n\n\n\n<p>2) \ubcc0\uc555\uae30<\/p>\n\n\n\n<div class=\"wp-block-mathml-mathmlblock\">\\[\\%Z_t=2.0+j5.0\\]<\/div>\n\n\n\n<p>3) \uc120\ub85c<\/p>\n\n\n\n<ul><li>22.9kV\uce21 \uc120\ub85c: <\/li><\/ul>\n\n\n\n<div class=\"wp-block-mathml-mathmlblock\">\\[\\%Z_{L1}=\\frac{(0.2+j0.15)\\times 2}{1,048.82}\\times 100\\]\\[=0.0381+j0.0286\\]<\/div>\n\n\n\n<ul><li>0.38kV\uce21 \uc120\ub85c: <\/li><\/ul>\n\n\n\n<div class=\"wp-block-mathml-mathmlblock\">\\[\\%Z_{I2}=\\frac{(0.1+j0.10)\\times 0.05}{0.288}\\times 100\\]\\[=1.736+j1.736\\]<\/div>\n\n\n\n<p>4) \uc804\ub3d9\uae30<\/p>\n\n\n\n<div class=\"wp-block-mathml-mathmlblock\">\\[\\%Z_g=j15\\times\\frac{500}{150}=j50\\]<\/div>\n\n\n\n<h4>\uc784\ud53c\ub358\uc2a4\uc758 \ud569\uc131(\u203b \uc804\ub3d9\uae30 \ud3ec\ud568)<\/h4>\n\n\n\n<div class=\"wp-block-mathml-mathmlblock\">\\[\\%Z=2.264+j5.896\\]<\/div>\n\n\n\n<h4>\ub2e8\ub77d\uc804\ub958 \uacc4\uc0b0<\/h4>\n\n\n\n<div class=\"wp-block-mathml-mathmlblock\">\\[I_{s,sym}=\\frac{100}{\\%Z}\\times I_b=\\]\n\\[\\frac{100}{|2.264+j5.896|}\\times\\frac{500}{\\sqrt3\\times 0.38}=12,028[A]\\]<\/div>\n\n\n\n<h3>\uc784\ud53c\ub358\uc2a4 \ub9f5<\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"449\" src=\"http:\/\/ftz.myds.me\/wordpress\/wp-content\/uploads\/2022\/07\/\u110b\u1175\u11b7\u1111\u1175\u1103\u1165\u11ab\u1109\u1173\u1106\u1162\u11b8-1024x449-1.png\" alt=\"\" class=\"wp-image-9775\" srcset=\"http:\/\/ftz.myds.me\/wordpress\/wp-content\/uploads\/2022\/07\/\u110b\u1175\u11b7\u1111\u1175\u1103\u1165\u11ab\u1109\u1173\u1106\u1162\u11b8-1024x449-1.png 1024w, http:\/\/ftz.myds.me\/wordpress\/wp-content\/uploads\/2022\/07\/\u110b\u1175\u11b7\u1111\u1175\u1103\u1165\u11ab\u1109\u1173\u1106\u1162\u11b8-1024x449-1-300x132.png 300w, http:\/\/ftz.myds.me\/wordpress\/wp-content\/uploads\/2022\/07\/\u110b\u1175\u11b7\u1111\u1175\u1103\u1165\u11ab\u1109\u1173\u1106\u1162\u11b8-1024x449-1-768x337.png 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\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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