{"id":5857,"date":"2022-06-10T16:02:50","date_gmt":"2022-06-10T07:02:50","guid":{"rendered":"http:\/\/ftz.myds.me\/wordpress\/?p=5857"},"modified":"2023-01-07T20:40:11","modified_gmt":"2023-01-07T11:40:11","slug":"%eb%b3%80%eb%a5%98%ea%b8%b0-%ea%b4%80%eb%a0%a8-%ec%9a%a9%ec%96%b4","status":"publish","type":"post","link":"http:\/\/ftz.myds.me\/wordpress\/%eb%b3%80%eb%a5%98%ea%b8%b0-%ea%b4%80%eb%a0%a8-%ec%9a%a9%ec%96%b4\/","title":{"rendered":"\ubcc0\ub958\uae30 \uad00\ub828 \uc6a9\uc5b4\u2055"},"content":{"rendered":"\n<p><meta charset=\"utf-8\">[acf field=ver]\u2605[acf field=rate]![acf field=edited] <\/p>\n\n\n\n<p><meta charset=\"utf-8\"><a href=\"http:\/\/ftz.myds.me\/wordpress\/%EB%B3%80%EB%A5%98%EA%B8%B0\/\" target=\"_blank\" rel=\"noopener\">\ubcc0\ub958\uae30<\/a>\u2736<\/p>\n\n\n\n<blockquote class=\"wp-block-quote\"><p>\ubcc0\ub958\uae30\uc758 \uacfc\uc804\ub958\uac15\ub3c4, \uc815\uaca9 \ub0b4\uc804\ub958, \uacfc\uc804\ub958 \uc815\uc218\ub97c \uc124\uba85\ud558\uc2dc\uc624. <\/p><\/blockquote>\n\n\n\n<blockquote class=\"wp-block-quote\"><p>\ubcc0\ub958\uae30(CT)\uc758 ANSI \ub610\ub294 IEC \uc624\ucc28\uacc4\uae09(Accuracy) \uaddc\uaca9\uc758 \uc885\ub958\uc5d0 \ub300\ud558\uc5ec \uc0c1\uc138\ud788 \uc124\uba85\ud558\uace0, \ub2e4\uc74c \uc6a9\uc5b4\uc5d0 \ub300\ud558\uc5ec \uac04\ub2e8\ud788 \uc124\uba85\ud558\uc2dc\uc624. <br>(1) \uadf9\uc131 (2) \uacfc\uc804\ub958 \uc815\uc218 (3) \uc815\uaca9\ubd80\ub2f4 (4) \ud3ec\ud654\uace1\uc120 <br>(5) C200 \ubcc0\ub958\uae30\uc758 \ubd80\ub2f4(CT 2\ucc28 \uc815\uaca9: 5A, \uacfc\uc804\ub958\uc815\uc218: 20) (6) CT \uc120\uc815\uc2dc \uace0\ub824\uc0ac\ud56d (7) \ubd80\ub2f4\uacfc \uacfc\uc804\ub958 \uc815\uc218\uc640\uc758 \uc0c1\uad00\uad00\uacc4 <\/p><\/blockquote>\n\n\n\n<blockquote class=\"wp-block-quote\"><p>\ubcf4\ud638\uacc4\uc804\uae30\uc6a9 \ubcc0\ub958\uae30 \uc120\uc815\uc2dc \uc720\uc758\ud560 \ubb34\ub98e\uc804\uc555(Knee Point Voltage)\uc5d0 \ub300\ud55c \uc815\uc758, \ud2b9\uc131, \ubcc0\ub958\uae30 \uc120\uc815\uc2dc \uace0\ub824\uc0ac\ud56d\uc5d0 \ub300\ud558\uc5ec \uc124\uba85\ud558\uace0, \ubcc0\ub958\uae30 2\ucc28\uc758 \ud2b9\uc131 \uc911 \ubd80\ub2f4\uc5d0 \uad00\ub828\ub41c \uc0ac\ud56d<br>[\u2460\ubd80\ub2f4(Burden) \u2461 \uc18c\ube44\ubd80\ub2f4 \u2462 \uc815\uaca9\uce58 \uc18c\ube44\ubd80\ub2f4 \u2463 \ub3d9\uc791\uce58 \uc18c\ube44\ubd80\ub2f4 \u2464 \ubd80\ub2f4 \uc784\ud53c\ub358\uc2a4)\uc5d0 \ub300\ud558\uc5ec \uc124\uba85\ud558\uc2dc\uc624.<\/p><\/blockquote>\n\n\n\n<h3>\uadf9\uc131<\/h3>\n\n\n\n<p>1\ucc28\uce21 \uc804\ub958\uc5d0 \ub300\ud55c 2\ucc28\uce21 \uc804\ub958\uc758 \ubc29\ud5a5\uc744 \ub098\ud0c0\ub0b4\ub294 \uac83\uc73c\ub85c \uc6b0\ub9ac\ub098\ub77c\ub294 \uac10\uadf9\uc131\uc744 \ud45c\uc900\uc73c\ub85c \uc0ac\uc6a9\ud55c\ub2e4.<br>\uac10\uadf9\uc131 \uae30\uc900\uc73c\ub85c 1\ucc28\uce21\uc740 \uc804\ub958\uac00 \uc720\uc785\ub418\ub294 \ub2e8\uc790(K), 2\ucc28\uce21 \uc804\ub958\uac00 \uc720\ucd9c\ub418\ub294 \ub2e8\uc790(k)\uc5d0 \uadf9\uc131\uae30\ud638\uc744 \ud45c\uc2dc\ud55c\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"756\" height=\"498\" src=\"http:\/\/ftz.myds.me\/wordpress\/wp-content\/uploads\/2022\/07\/\u1107\u1167\u11ab\u1105\u1172\u1100\u1175\u110b\u1174-\u1100\u1173\u11a8\u1109\u1165\u11bc.png\" alt=\"\" class=\"wp-image-9070\" srcset=\"http:\/\/ftz.myds.me\/wordpress\/wp-content\/uploads\/2022\/07\/\u1107\u1167\u11ab\u1105\u1172\u1100\u1175\u110b\u1174-\u1100\u1173\u11a8\u1109\u1165\u11bc.png 756w, http:\/\/ftz.myds.me\/wordpress\/wp-content\/uploads\/2022\/07\/\u1107\u1167\u11ab\u1105\u1172\u1100\u1175\u110b\u1174-\u1100\u1173\u11a8\u1109\u1165\u11bc-300x198.png 300w\" sizes=\"(max-width: 756px) 100vw, 756px\" \/><figcaption>\ubcc0\ub958\uae30 \uadf9\uc131<\/figcaption><\/figure>\n\n\n\n<h3>\uc815\uaca9\uc804\ub958<\/h3>\n\n\n\n<p>1\ucc28 \uc815\uaca9\uc804\ub958\ub294 \ucd5c\ub300 \ubd80\ud558\uc804\ub958\ubcf4\ub2e4 1.25\u223c1.5\ubc30 \ub192\uac8c \uc120\uc815\ud558\ub294 \uac83\uc774 \ubc14\ub78c\uc9c1\ud558\ub2e4.<br>2\ucc28 \uc815\uaca9\uc804\ub958\ub294 \ud1b5\uc0c1 5[A]\uac00 \ud45c\uc900\uc774\uba70, \ubcc0\ub958\uae30\uc758 2\ucc28\uce21\uc5d0 \uc811\uc18d\ub418\ub294 \uacc4\uae30 \ubc0f \uacc4\uc804\uae30\uc758 \uc815\uaca9\uc804\ub958\ub97c \uace0\ub824\ud558\uc5ec \uc120\uc815\ud55c\ub2e4. \ub2e8 \uc601\uc0c1 \ubcc0\ub958\uae30\uc758 1\ucc28 \ud45c\uc900 \uc815\uaca9\uc804\ub958\ub294 100\u223c200[A], \uc815\uaca9 \uc601\uc0c1 1\ucc28 \uc804\ub958\ub294 200[mA], \uc815\uaca9 \uc601\uc0c1 2\ucc28 \uc804\ub958\ub294 1.5[mA] \uc774\ub2e4.<\/p>\n\n\n\n<h3>\ubd80\ub2f4(Burden)<\/h3>\n\n\n\n<p>\ubd80\ub2f4\uc774\ub780 \ubcc0\ub958\uae30\uc758 2\ucc28 \ub610\ub294 3\ucc28\uc5d0 \ud68c\ub85c\uc5d0 \uc811\uc18d\ub41c \ubd80\ud558(\ucf00\uc774\ube14, \uacc4\uae30 \ubc0f \uacc4\uc804\uae30) \uc784\ud53c\ub358\uc2a4 \ub610\ub294 \ud53c\uc0c1\uc804\ub825(2\ucc28 \uc815\uaca9\uc804\ub958\u00d7\ubd80\ud558 \uc784\ud53c\ub358\uc2a4)\uc73c\ub85c \ub098\ud0c0\ub0b8\ub2e4.<\/p>\n\n\n\n<p>&#8211; \uc815\uaca9\ubd80\ub2f4: \uc815\uaca9\ubd80\ub2f4\uc740 2\ucc28 \uc815\uaca9\uc804\ub958(5A, 1A)\uac00 \ubd80\ud558 \uc784\ud53c\ub358\uc2a4\uc5d0 \ud750\ub97c \ub54c \uaddc\uc815\ub41c \uc624\ucc28 \ubc94\uc704\ub97c \uc720\uc9c0\ud560 \uc218 \uc788\ub294(\uc131\ub2a5\uc744 \ubcf4\uc99d\ud560 \uc218 \uc788\ub294) \ud53c\uc0c1\uc804\ub825\uc744 [VA]\ub85c \ud45c\uc2dc\ud55c \uac83\uc774\ub2e4.<\/p>\n\n\n\n<p>&#8211; \ud45c\uc900 \uc815\uaca9\ubd80\ub2f4: 5, 10, 15, 20, 25, 40, 60[VA]<\/p>\n\n\n\n<p>&#8211; \uc0ac\uc6a9\ubd80\ub2f4\uc774 \uc815\uaca9\ubd80\ub2f4 \uc774\uc0c1\uc774 \ub420 \uacbd\uc6b0 \uaddc\uc815\ub41c \uc624\ucc28\ubc94\uc704\ub97c \ubc97\uc5b4\ub098\uac8c \ub41c\ub2e4.<\/p>\n\n\n\n<div class=\"wp-block-mathml-mathmlblock\">\\[ [VA]=I _{2}^{2}\\times Z _{b} \\]<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<h6 class=\"has-text-align-center\">I2 : 2\ucc28 \uc815\uaca9\uc804\ub958(5A)<br>Zb : \ubd80\ud558 \uc784\ud53c\ub358\uc2a4(\uacc4\uc804\uae30, \uacc4\uce21\uae30 \ubc0f \ucf00\uc774\ube14\uc758 \uc784\ud53c\ub358\uc2a4 \ud3ec\ud568\ud55c \ucd1d \ubd80\ud558)<\/h6>\n\n\n\n<h3>\uacfc\uc804\ub958\uc815\uc218<\/h3>\n\n\n\n<p>\ubcf4\ud638\uacc4\uc804\uae30\uc6a9 \ubcc0\ub958\uae30\ub294 \uacfc\uc804\ub958 \uc601\uc5ed\uc5d0\uc11c \ube44\uc624\ucc28\uac00 \uc911\uc694\ud558\uac8c \ub418\ubbc0\ub85c, \uacfc\uc804\ub958 \uc601\uc5ed\uc5d0\uc11c\uc758 \ube44\uc624\ucc28\ub97c \ubcf4\uc99d\ud558\uae30 \uc704\ud55c \ubc29\ubc95\uc73c\ub85c \uacfc\uc804\ub958\uc815\uc218\ub77c\ub294 \uc6a9\uc5b4\ub97c \uc0ac\uc6a9\ud55c\ub2e4.<\/p>\n\n\n\n<h4>1) \uc815\uc758<\/h4>\n\n\n\n<p>\uacfc\uc804\ub958\uc601\uc5ed\uc758 \uc624\ucc28\ud2b9\uc131\uc744 \ud45c\uc2dc\ud558\ub294 \uac12\uc73c\ub85c \uc815\uaca9\ubd80\ub2f4(PF=0.8 \uc9c0\uc5ed\ub960)\uc5d0\uc11c \ube44\uc624\ucc28\uac00 -10%\uac00 \ub420 \ub54c\uc758 1\ucc28\uc804\ub958\ub97c 1\ucc28 \uc815\uaca9\uc804\ub958\ub85c \ub098\ub208 \uac12\uc774\ub2e4.<\/p>\n\n\n\n<div class=\"wp-block-mathml-mathmlblock\">\\[ n=\\]\n\\[ \\frac{\uc815\uaca9\ubd80\ub2f4\uc5d0\uc11c\\ \ube44\uc624\ucc28\uac00-10\\%\uac00\\ \ub420\ub54c\uc758\\ 1\ucc28\uc804\ub958}{1\ucc28\\ \uc815\uaca9\uc804\ub958} \\]<\/div>\n\n\n\n<h4>2) \uacfc\uc804\ub958\uc815\uc218\uc758 \ud45c\uc900\uac12<\/h4>\n\n\n\n<p>[n&gt;5, n&gt;10, n&gt;20, n&gt;20]\uc73c\ub85c \ubcf4\ud638\uc6a9 CT\uc758 \ud2b9\uc131\uc744 \ub098\ud0c0\ub0b4\ub294 \uac12\uc774\ub2e4.<br>\uacfc\uc804\ub958\uc815\uc218\uc758 \uc120\uc815\uc740 \uacfc\uc804\ub958\uacc4\uc804\uae30\uc758 \uc21c\uc2dc\uc694\uc18c \ub3d9\uc791\uc815\uc815\uce58\ub97c \uace0\ub824\ud574\uc57c \ud55c\ub2e4.<br>\uc608) \uc21c\uc2dc\uc815\uc815\uce58\uac00 40A\uc778 \uacbd\uc6b0\ub77c\uba74, n&gt;8 \uc774\uc0c1\uc758 \uacfc\uc804\ub958 \uc815\uc218\uac00 \ud544\uc694\ud558\ub2e4.<br>cf) \uacc4\uae30\uc6a9\uc758 \uacbd\uc6b0\ub294 \ub192\uc740 \uc0ac\uace0\uc804\ub958\uc5d0 \ub300\ud574 \uacc4\uae30\ub97c \ubcf4\ud638\ud560 \ubaa9\uc801\uc73c\ub85c CT\uac00 \ud3ec\ud654 \ub418\ub294\uac83\uc774 \uc624\ud788\ub824 \uc720\ub9ac\ud558\ub2e4. \u2192 FS<\/p>\n\n\n\n<h4>3) \uacfc\uc804\ub958\uc815\uc218\ub97c \ud06c\uac8c\ud558\ub294 \ubc29\ubc95<\/h4>\n\n\n\n<p>CT\uc758 \ucca0\uc2ec \ub2e8\uba74\uc801\uc744 \uc99d\uac00 \ubc0f \uad8c\uc120\uc218\ub97c \uc99d\uac00\uc2dc\ud0a4\ub294 \ubc29\ubc95 \ub4f1\uc774 \uc788\ub2e4.<\/p>\n\n\n\n<h3>\uacfc\uc804\ub958\uc815\uc218\uc640 \ubd80\ub2f4(Burden)<\/h3>\n\n\n\n<h4>1) \uacfc\uc804\ub958\uc815\uc218\uc640 \ubd80\ub2f4\uacfc\uc758 \uad00\uacc4<\/h4>\n\n\n\n<p>CT\uc758 \uacfc\uc804\ub958\uc815\uc218\uc640 CT\uc758 2\ucc28 \ubd80\ub2f4\uc758 \uacf1\uc740 \uac70\uc758 \uc77c\uc815\ud55c \uad00\uacc4\ub97c \uac16\ub294\ub2e4.<br>\u2192 [\uacfc\uc804\ub958\uc815\uc218 \u00d7 \uc815\uaca9\ubd80\ub2f4 = \uc77c\uc815]<\/p>\n\n\n\n<p>&#8211; \uc0ac\uc6a9\ubd80\ub2f4\uc774 \uc815\uaca9\ubd80\ub2f4\uc758 1\/2\uc774\uba74 \uacfc\uc804\ub958\uc815\uc218\ub294 \uc57d 2\ubc30\uac00 \ub418\uba70, \ubc18\ub300\uc758 \uacbd\uc6b0\ub294 \uacfc\uc804\ub958\uc815\uc218\uac00 \uac10\uc18c\ud558\uac8c \ub41c\ub2e4.<\/p>\n\n\n\n<p>&#8211; \ud070 \uacfc\uc804\ub958\uc815\uc218\uac00 \ud544\uc694\ub85c \ud560 \ub54c\ub294 \ubd80\ub2f4(\uc804\uc790\ud615 \uacc4\uc804\uae30, \ub514\uc9c0\ud138 \uacc4\uc804\uae30 \ub610\ub294 \ucf00\uc774\ube14\uc758 \uae38\uc774 \ub4f1)\uc744 \uc904\uc5ec\uc57c \ud55c\ub2e4.<\/p>\n\n\n\n<p>&#8211; \uacfc\uc804\ub958\uc815\uc218\ub97c \ub108\ubb34 \ud06c\uac8c \ub418\uba74 CT 2\ucc28\uce21\uc5d0\ub294 \uc0ac\uace0\uc804\ub958\uc5d0 \ube44\ub840\ud55c \ud070 \uc804\ub958\uac00 \ud758\ub7ec \uacc4\uc804\uae30\uc758 \uc5f4\uc801, \uae30\uacc4\uc801 \ub0b4\ub7c9\uc774 \ubb38\uc81c\uac00 \ub428\uc73c\ub85c \uc8fc\uc758\ud558\uc5ec\uc57c \ud55c\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"787\" src=\"http:\/\/ftz.myds.me\/wordpress\/wp-content\/uploads\/2022\/07\/\u1100\u116a\u110c\u1165\u11ab\u1105\u1172\u110c\u1165\u11bc\u1109\u116e\u110b\u116a-\u1107\u116e\u1103\u1161\u11b7.png\" alt=\"\" class=\"wp-image-9071\" srcset=\"http:\/\/ftz.myds.me\/wordpress\/wp-content\/uploads\/2022\/07\/\u1100\u116a\u110c\u1165\u11ab\u1105\u1172\u110c\u1165\u11bc\u1109\u116e\u110b\u116a-\u1107\u116e\u1103\u1161\u11b7.png 1024w, http:\/\/ftz.myds.me\/wordpress\/wp-content\/uploads\/2022\/07\/\u1100\u116a\u110c\u1165\u11ab\u1105\u1172\u110c\u1165\u11bc\u1109\u116e\u110b\u116a-\u1107\u116e\u1103\u1161\u11b7-300x231.png 300w, http:\/\/ftz.myds.me\/wordpress\/wp-content\/uploads\/2022\/07\/\u1100\u116a\u110c\u1165\u11ab\u1105\u1172\u110c\u1165\u11bc\u1109\u116e\u110b\u116a-\u1107\u116e\u1103\u1161\u11b7-768x590.png 768w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption>\uacfc\uc804\ub958\uc815\uc218\uc640 \ubd80\ub2f4<\/figcaption><\/figure>\n\n\n\n<h4>2) \uc774\uc720<\/h4>\n\n\n\n<p>CT\uc758 1\ucc28 \uc804\ub958\uac00 \uacc4\uc18d \uc99d\uac00\ub418\uba74 \ucca0\uc2ec\uc758 \ud3ec\ud654(1.5~2.0T)\uac00 \uc2dc\uc791\ub418\uc5b4, \uc5ec\uc790\ud68c\ub85c\uc758 \uc784\ud53c\ub358\uc2a4\ub294 \uac10\uc18c\ud558\uac8c \ub418\uc5b4 \uc5ec\uc790\uc804\ub958\uac00 \uc99d\uac00\ud558\uac8c \ub41c\ub2e4. <\/p>\n\n\n\n<p>\uadf8\ub7ec\ubbc0\ub85c 1\ucc28 \uc804\ub958\uc758 \uc99d\uac00\uc5d0 \ub300\ud574\uc11c 2\ucc28 \uc804\ub958\uac00 \ube44\ub840\ud574\uc11c \uc99d\uac00\ud558\uc9c0 \ubabb\ud558\uc5ec \ube44\uc624\ucc28\uac00 \uc99d\uac00\ud558\uac8c \ub41c\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"938\" height=\"418\" src=\"http:\/\/ftz.myds.me\/wordpress\/wp-content\/uploads\/2022\/07\/\u1100\u116a\u110c\u1165\u11ab\u1105\u1172\u110c\u1165\u11bc\u1109\u116e\u110b\u116a-\u1107\u116e\u1103\u1161\u11b7-\u110b\u1163\u11a8\u1103\u1169.png\" alt=\"\" class=\"wp-image-9072\" srcset=\"http:\/\/ftz.myds.me\/wordpress\/wp-content\/uploads\/2022\/07\/\u1100\u116a\u110c\u1165\u11ab\u1105\u1172\u110c\u1165\u11bc\u1109\u116e\u110b\u116a-\u1107\u116e\u1103\u1161\u11b7-\u110b\u1163\u11a8\u1103\u1169.png 938w, http:\/\/ftz.myds.me\/wordpress\/wp-content\/uploads\/2022\/07\/\u1100\u116a\u110c\u1165\u11ab\u1105\u1172\u110c\u1165\u11bc\u1109\u116e\u110b\u116a-\u1107\u116e\u1103\u1161\u11b7-\u110b\u1163\u11a8\u1103\u1169-300x134.png 300w, http:\/\/ftz.myds.me\/wordpress\/wp-content\/uploads\/2022\/07\/\u1100\u116a\u110c\u1165\u11ab\u1105\u1172\u110c\u1165\u11bc\u1109\u116e\u110b\u116a-\u1107\u116e\u1103\u1161\u11b7-\u110b\u1163\u11a8\u1103\u1169-768x342.png 768w\" sizes=\"(max-width: 938px) 100vw, 938px\" \/><figcaption>\uacfc\uc804\ub958\uc815\uc218\uc640 \ubd80\ub2f4<\/figcaption><\/figure>\n\n\n\n<div class=\"wp-block-mathml-mathmlblock\">\\[  \\dot{V_2} =\\dot{V_b} + \\dot{I_2} \\dot{Z} \\cdot\\cdot\\cdot\\dot{V _{b}}={\\dot{I _{2}}} {\\dot{Z _{b}}} \\]<\/div>\n\n\n\n<div class=\"wp-block-mathml-mathmlblock\">\\[ \\epsilon  \\backsimeq- \\frac{ I_0}{ I_2}(\ube44\uc624\ucc28) \\]<\/div>\n\n\n\n<p>I2\ub294 \uc77c\uc815\ud55c \uc870\uac74\uc5d0\uc11c, <br>Z0\uc774 \uc791\uc544\uc9c0\uba74 Vb\uc758 \uac10\uc18c\ub85c V2\uac00 \uac10\uc18c\ud55c\ub2e4.<br>\uadf8\ub7ec\ubbc0\ub85c \uc5ec\uc790\uc804\ub958\uac00 \uac10\uc18c\ud558\uac8c \ub418\uc5b4, \ud3ec\ud654 \uc804\uc5d0\ub294 Z0\uc774 \ub9e4\uc6b0 \ud06c\uae30 \ub54c\ubb38\uc5d0 I2=I0+I2=I2 \uac00 \ub418\uc5b4 \ube44\uc624\ucc28\uac00 \ub9e4\uc6b0 \uc791\ub2e4. \uc774\ub7f0 \uacb0\uacfc\ub294 \uc0c1\ub300\uc801\uc73c\ub85c \uacfc\uc804\ub958\uc815\uc218\uac00 \uc99d\uac00\ud558\uac8c \ub41c\ub2e4. \uc774\ucc98\ub7fc CT\uc758 2\ucc28\uce21\uc758 \ubd80\ub2f4\uc744 \uc904\uc774\uac8c \ub418\uba74 \ub3d9\uc77c \uc815\uaca9\ubd80\ub2f4\uc5d0\uc11c \ubcf4\ub2e4 \ud070 \uacfc\uc804\ub958\uc815\uc218\uae4c\uc9c0 \uc0ac\uc6a9\ud560 \uc218\uac00 \uc788\ub2e4. \ubc18\ub300\ub85c, \ubd80\ud558\uc758 \ubd80\ub2f4\uc774 \uc99d\uac00\ud558\uba74 V2\uac00 \uc99d\uac00\ud558\uc5ec \uc5ec\uc790\uc804\ub958\uac00 \uc0c1\uc2b9\ub418\uc5b4 \ube44\uc624\ucc28\uac00 \uc99d\ub300\ub41c\ub2e4.<\/p>\n\n\n\n<h3>\uacfc\uc804\ub958\uc815\uc218 \uac15\ub3c4<\/h3>\n\n\n\n<p>\uc804\ub825\uacc4\ud1b5\uc5d0 \ub2e8\ub77d\uc0ac\uace0\uac00 \ubc1c\uc0dd\ud558\uba74 \uc8fc \ud68c\ub85c\uc5d0 \uc811\uc18d\ub41c \ubcc0\ub958\uae30\uc758 1\ucc28 \uad8c\uc120\uc5d0\ub3c4 \ud070 \uace0\uc7a5\uc804\ub958\uac00 \ud750\ub974\uac8c \ub418\uc5b4 \uadf8 \uacfc\uc804\ub958\uc5d0 \uc758\ud558\uc5ec \uad8c\uc120\uc758 \uc628\ub3c4\uac00 \uc0c1\uc2b9\ud558\uc5ec \uad8c\uc120\uc774 \uc6a9\ub2e8\ub418\uac70\ub098, \uac15\ub825\ud55c \uc804\uc790\ub825\uc5d0 \uc758\ud558\uc5ec \uad8c\uc120\uc774 \ubcc0\ud615 \ub420 \uacbd\uc6b0\uac00 \uc788\ub2e4. \ub530\ub77c\uc11c \ubcc0\ub958\uae30\ub294 \uc774\ub7ec\ud55c \uc0ac\uace0\uc5d0 \ub300\ud558\uc5ec \uc5f4\uc801, \uae30\uacc4\uc801\uc73c\ub85c \uacac\ub51c \ud544\uc694\uac00 \uc788\ub2e4. \uc989, \uace0\uc7a5\uc804\ub958\uac00 \ubcc0\ub958\uae30 1\ucc28\uad8c\uc120\uc5d0 \ud750\ub97c \uacbd\uc6b0 \uadf8 \ubcc0\ub958\uae30\uc758 \uc815\uaca9 1\ucc28\uc804\ub958\uac12\uc758 \uba87\ubc30\uc758 \uace0\uc7a5\uc804\ub958\uae4c\uc9c0 \uacac\ub51c\uc218 \uc788\ub294\uac00\ub97c \uc815\ud55c \uac83\uc744 \ubcc0\ub958\uae30\uc758 \uacfc\uc804\ub958\uac15\ub3c4\ub77c\uace0 \ud55c\ub2e4.<\/p>\n\n\n\n<h4>1) \uc815\uc758<\/h4>\n\n\n\n<p>\ubcc0\ub958\uae30\uc5d0 \uc815\uaca9\ubd80\ub2f4, \uc815\uaca9\uc8fc\ud30c\uc218\uc5d0\uc11c \uc815\uaca9 1\ucc28\uc804\ub958\uc758 \uc5b4\ub5a4 \ubc30\uc218\ub9cc\ud07c\uc758 \uc804\ub958\ub97c 1\ucd08\uac04 \ud758\ub824\uc11c \uc5f4\uc801, \uae30\uacc4\uc801\uc73c\ub85c \uc190\uc0c1\ub418\uc9c0 \uc54a\uc744 \ub54c, \uc815\uaca9 1\ucc28\uc804\ub958\uc5d0 \ub300\ud55c \uc774 \uc804\ub958\uc758 \ubc30\uc218\ub97c \uacfc\uc804\ub958\uac15\ub3c4\ub77c\uace0 \ud55c\ub2e4.<\/p>\n\n\n\n<h4>2) \ud45c\uc900\uac12 -&gt; 40, 75, 150, 300<\/h4>\n\n\n\n<p>\uacfc\uc804\ub958\uac15\ub3c4 = \ucd5c\ub300 \ube44\ub300\uce6d \ub2e8\ub77d\uc804\ub958\/1\ucc28 \uc815\uaca9\uc804\ub958<\/p>\n\n\n\n<hr class=\"wp-block-separator is-style-wide\"\/>\n\n\n\n<p>100\/5\uc778 \ubcc0\ub958\uae30\uc758 \uacfc\uc804\ub958\uac15\ub3c4\uac00 40 <br>\u2192\ubcc0\ub958\uae30\uc758 1\ucc28\uce21\uc5d0 4,000A \uc774\ud558\uc758 \uc2e4\ud6a8\uce58 \uc804\ub958\uac00 1\ucd08 \ub3d9\uc548 \ud1b5\uc804\ub418\ub354\ub77c\ub3c4 \uc5f4\uc801\uc73c\ub85c \uc190\uc0c1\ub418\uc9c0 \uc54a\uc73c\uba70, (4,000\u00d72.6)\uc774\ud558 \ud06c\uae30\uc758 \uc21c\uc2dc\uc804\ub958\uc5d0 \uae30\uacc4\uc801\uc73c\ub85c \uc190\uc0c1\ub418\uc9c0 \uc54a\ub294 \ubcc0\ub958\uae30\ub97c \uc758\ubbf8\ud55c\ub2e4.<\/p>\n\n\n\n<h4>3) \uacfc\uc804\ub958\uac15\ub3c4\uc758 \uc0b0\uc815<\/h4>\n\n\n\n<div class=\"wp-block-mathml-mathmlblock\">\\[ S= \\frac{S _{n}} {\\sqrt {t}} \\]<\/div>\n\n\n\n<h6 class=\"has-text-align-center\">Sn: \uc815\uaca9\uacfc\uc804\ub958\uac15\ub3c4<br>S: \ud1b5\uc804\uc2dc\uac04 t\ucd08\uc5d0 \ub300\ud55c \uc5f4\uc801 \uacfc\uc804\ub958\uac15\ub3c4<br>t: \ud1b5\uc804\uc2dc\uac04(1\ucd08)<\/h6>\n\n\n\n<h6><strong><em>\u2605<a href=\"http:\/\/ftz.myds.me\/wordpress\/c-%eb%b3%80%eb%a5%98%ea%b8%b0\/\">\ubcc0\ub958\uae30<\/a><\/em><\/strong><br>T\u00a0<a href=\"https:\/\/cq4l.com\/%EB%B3%80%EB%A5%98%EA%B8%B0\/\">\ubcc0\ub958\uae30<\/a>(CT)<br>H\u00a0<a href=\"https:\/\/cq4l.com\/%EB%B3%80%EC%84%B1%EA%B8%B0-%ED%8A%B9%EC%84%B1\/\">\ubcc0\uc131\uae30 \ud2b9\uc131<\/a><br>L\u00a0<a href=\"https:\/\/cq4l.com\/%EA%B4%91ct\/\">\uad11CT<\/a><br>P\u00a0<a href=\"https:\/\/cq4l.com\/%EA%B3%84%EA%B8%B0%EC%9A%A9-%EB%B3%80%EC%95%95%EA%B8%B0\/\">\uacc4\uae30\uc6a9 \ubcc0\uc555\uae30<\/a>(PT)<br>Z\u00a0<a href=\"https:\/\/cq4l.com\/%EC%98%81%EC%83%81-%EB%B3%80%EB%A5%98%EA%B8%B0\/\">\uc601\uc0c1 \ubcc0\ub958\uae30<\/a>(ZCT)<br>C\u00a0<a href=\"https:\/\/cq4l.com\/%EC%A7%84%EC%83%81%EC%9A%A9-%EC%BD%98%EB%8D%B4%EC%84%9C\/\">\uc9c4\uc0c1\uc6a9 \ucf58\ub374\uc11c<\/a>(SC)<br>S\u00a0<a href=\"https:\/\/cq4l.com\/%EC%A0%95%EC%A7%80%ED%98%95-%EB%AC%B4%ED%9A%A8%EC%A0%84%EB%A0%A5-%EB%B3%B4%EC%83%81%EC%9E%A5%EC%B9%98\/\">\uc815\uc9c0\ud615 \ubb34\ud6a8\uc804\ub825 \ubcf4\uc0c1\uc7a5\uce58(SVC)<\/a><\/h6>\n\n\n\n<h6><strong><em><a href=\"http:\/\/ftz.myds.me\/wordpress\/%eb%b3%80%eb%a5%98%ea%b8%b0%ec%9d%98-%eb%93%b1%ea%b0%80%ed%9a%8c%eb%a1%9c-%eb%b0%8f-%ec%a2%85%eb%a5%98\/\">\ubcc0\ub958\uae30\uc758 \ub4f1\uac00\ud68c\ub85c \ubc0f \uc885\ub958<\/a><br><a href=\"http:\/\/ftz.myds.me\/wordpress\/%eb%b3%80%eb%a5%98%ea%b8%b0-%ea%b4%80%eb%a0%a8-%ec%9a%a9%ec%96%b4\/\">\ubcc0\ub958\uae30 \uad00\ub828 \uc6a9\uc5b4<\/a><br><a href=\"http:\/\/ftz.myds.me\/wordpress\/%eb%b3%80%eb%a5%98%ea%b8%b0-%ec%84%a0%ec%a0%95%ec%8b%9c-%ea%b3%a0%eb%a0%a4%ec%82%ac%ed%95%ad\/\">\ubcc0\ub958\uae30 \uc120\uc815\uc2dc \uace0\ub824\uc0ac\ud56d<\/a><br><meta charset=\"utf-8\">&#8211;<a href=\"http:\/\/ftz.myds.me\/wordpress\/%eb%b3%80%eb%a5%98%ea%b8%b0-%ec%84%a0%ec%a0%95%ec%8b%9c-%ea%b3%a0%eb%a0%a4%ec%82%ac%ed%95%ad-%eb%ac%b8%ec%a0%9c\/\">\ubb38\uc81c<\/a><br><a href=\"http:\/\/ftz.myds.me\/wordpress\/%eb%b3%80%eb%a5%98%ea%b8%b0-%ec%9a%b4%ec%a0%84%ec%a4%91-%ea%b0%9c%eb%b0%a9\/\">\ubcc0\ub958\uae30 \uc6b4\uc804\uc911 \uac1c\ubc29<\/a> <\/em><\/strong><br><\/h6>\n","protected":false},"excerpt":{"rendered":"<p>[acf field=ver]\u2605[acf field=rate]![acf field=edited] \ubcc0\ub958\uae30\u2736 \ubcc0\ub958\uae30\uc758 \uacfc\uc804\ub958\uac15\ub3c4, \uc815\uaca9 \ub0b4\uc804\ub958, \uacfc\uc804\ub958 \uc815\uc218\ub97c \uc124\uba85\ud558\uc2dc\uc624. \ubcc0\ub958\uae30(CT)\uc758 ANSI \ub610\ub294 IEC \uc624\ucc28\uacc4\uae09(Accuracy) \uaddc\uaca9\uc758 \uc885\ub958\uc5d0 \ub300\ud558\uc5ec \uc0c1\uc138\ud788 \uc124\uba85\ud558\uace0, \ub2e4\uc74c \uc6a9\uc5b4\uc5d0 \ub300\ud558\uc5ec \uac04\ub2e8\ud788 \uc124\uba85\ud558\uc2dc\uc624. (1) \uadf9\uc131 (2) \uacfc\uc804\ub958 \uc815\uc218 (3) \uc815\uaca9\ubd80\ub2f4 (4) \ud3ec\ud654\uace1\uc120 (5) C200 \ubcc0\ub958\uae30\uc758 \ubd80\ub2f4(CT 2\ucc28 \uc815\uaca9: 5A, \uacfc\uc804\ub958\uc815\uc218: 20) (6) CT \uc120\uc815\uc2dc \uace0\ub824\uc0ac\ud56d (7) \ubd80\ub2f4\uacfc \uacfc\uc804\ub958 \uc815\uc218\uc640\uc758 \uc0c1\uad00\uad00\uacc4 \ubcf4\ud638\uacc4\uc804\uae30\uc6a9 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[499],"tags":[],"_links":{"self":[{"href":"http:\/\/ftz.myds.me\/wordpress\/wp-json\/wp\/v2\/posts\/5857"}],"collection":[{"href":"http:\/\/ftz.myds.me\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/ftz.myds.me\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/ftz.myds.me\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/ftz.myds.me\/wordpress\/wp-json\/wp\/v2\/comments?post=5857"}],"version-history":[{"count":0,"href":"http:\/\/ftz.myds.me\/wordpress\/wp-json\/wp\/v2\/posts\/5857\/revisions"}],"wp:attachment":[{"href":"http:\/\/ftz.myds.me\/wordpress\/wp-json\/wp\/v2\/media?parent=5857"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/ftz.myds.me\/wordpress\/wp-json\/wp\/v2\/categories?post=5857"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/ftz.myds.me\/wordpress\/wp-json\/wp\/v2\/tags?post=5857"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}