{"id":146809,"date":"2024-04-27T12:44:56","date_gmt":"2024-04-27T12:44:56","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/%ec%95%95%ec%a0%84%eb%a5%98-%ec%84%bc%ec%84%9c\/"},"modified":"2024-04-27T12:44:56","modified_gmt":"2024-04-27T12:44:56","slug":"%ec%95%95%ec%a0%84%eb%a5%98-%ec%84%bc%ec%84%9c","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/ko\/%ec%95%95%ec%a0%84%eb%a5%98-%ec%84%bc%ec%84%9c\/","title":{"rendered":"\uc555\uc804\ub958 \uc13c\uc11c"},"content":{"rendered":"<p class=\"sidekick\">\uc555\uc804\ub958 \uc13c\uc11c\uc758 \uc6d0\ub9ac\uc640 \ud65c\uc6a9\uc744 \uc124\uba85\ud558\ub294 \uae30\uc0ac\ub85c, \uc555\uc804 \ud6a8\uacfc\ub97c \uc774\uc6a9\ud574 \uae30\uacc4\uc801 \uc555\ub825\uc744 \uc804\uae30 \uc2e0\ud638\ub85c \ubcc0\ud658\ud558\ub294 \uc13c\uc11c\uc758 \uc791\ub3d9 \ubc29\uc2dd\uacfc \uc751\uc6a9 \ubd84\uc57c\ub97c \ub2e4\ub8f9\ub2c8\ub2e4.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.electricity-magnetism.org\/wp-content\/uploads\/2024\/04\/\uc555\uc804\ub958-\uc13c\uc11c.png\" alt=\"\uc555\uc804\ub958 \uc13c\uc11c\"\/><\/p>\n<h2>\uc555\uc804\ub958 \uc13c\uc11c(Piezoelectric Current Sensor)\ub780?<\/h2>\n<p>\uc555\uc804\ub958 \uc13c\uc11c\ub294 \uc555\uc804 \ud6a8\uacfc\ub97c \uae30\ubc18\uc73c\ub85c \ud558\ub294 \uc7a5\uce58\uc785\ub2c8\ub2e4. &#8216;\uc555\uc804 \ud6a8\uacfc&#8217;\ub780 \ud2b9\uc815\ud55c \ubb3c\uc9c8\uc5d0 \uae30\uacc4\uc801\uc778 \ud798\uc774 \uac00\ud574\uc9c8 \ub54c \uc804\uae30\uc801\uc778 \uc804\ud558\uac00 \ubc1c\uc0dd\ud558\ub294 \ud604\uc0c1\uc744 \ub9d0\ud569\ub2c8\ub2e4. \uc774 \ud604\uc0c1\uc740 \ud2b9\uc815\ud55c \uacb0\uc815\uccb4, \ud2b9\ud788 \uc138\ub77c\ubbf9 \uc7ac\uc9c8\uacfc \uac19\uc740 \ube44\ub300\uce6d \uacb0\uc815 \uad6c\uc870\ub97c \uac00\uc9c4 \ubb3c\uc9c8\uc5d0\uc11c \uc8fc\ub85c \uad00\ucc30\ub429\ub2c8\ub2e4. \uc555\uc804 \ud6a8\uacfc\ub294 \uc5ed\uc73c\ub85c\ub3c4 \uc791\uc6a9\ud558\ub294\ub370, \uc804\uae30\uc7a5\uc744 \uac00\ud558\uba74 \ubb3c\uc9c8\uc774 \ud33d\ucc3d\ud558\uac70\ub098 \uc218\ucd95\ud558\ub294 \uc5ed\uc555\uc804 \ud6a8\uacfc \ub610\ud55c \uc874\uc7ac\ud569\ub2c8\ub2e4.<\/p>\n<h2>\uc555\uc804 \ud6a8\uacfc\uc758 \uc6d0\ub9ac<\/h2>\n<p>\uc555\uc804 \ud6a8\uacfc\ub294 \uc555\uc804 \ubb3c\uc9c8\uc758 \ubd84\uc790\uad6c\uc870\uc5d0\uc11c \ube44\ub86f\ub429\ub2c8\ub2e4. \uc555\ub825\uc774 \uac00\ud574\uc9c0\uba74 \ubd84\uc790\uad6c\uc870 \ub0b4\uc5d0\uc11c \uc591\uc758 \uc804\ud558\ub97c \uac00\uc9c4 \uc6d0\uc790\uc640 \uc74c\uc758 \uc804\ud558\ub97c \uac00\uc9c4 \uc6d0\uc790\uac00 \uc11c\ub85c \ub2e4\ub978 \ubc29\ud5a5\uc73c\ub85c \ubc00\ub824\ub098\uba70 \uc804\uae30 \uc30d\uadf9\uc790\ub97c \ud615\uc131\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ubcc0\ud654\uac00 \uc804\uccb4 \ubb3c\uc9c8\uc5d0 \uac78\uccd0 \uc77c\uc5b4\ub098\uba74 \uc804\uae30\uc801\uc778 \uc804\uc704 \ucc28\uc774\uac00 \uc0dd\uae30\uac8c \ub418\uace0, \uc774\ub97c \ud1b5\ud574 \uc804\uae30\uac00 \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \uc555\uc804 \ubb3c\uc9c8 \ub0b4\ubd80\uc5d0\uc11c\uc758 \uc804\ud558 \ubd84\ub9ac\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \uc218\uc2dd\uc73c\ub85c \uc124\uba85\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<ul>\n<li><strong>\uc804\uae30 \ubcc0\uc704 D<\/strong>: D = \u03b5<sub>0<\/sub>E + P<\/li>\n<li><strong>\uc555\uc804 \uacc4\uc218 d<\/strong>: P = d * stress<\/li>\n<\/ul>\n<p>\uc5ec\uae30\uc11c, \u03b5<sub>0<\/sub>\uc740 \uc9c4\uacf5\uc758 \uc720\uc804\uc728\uc774\uace0, E\ub294 \uc678\ubd80 \uc804\uae30\uc7a5, P\ub294 \uc720\ub3c4\ub41c \uc30d\uadf9\uc790 \ubaa8\uba58\ud2b8(\uc804\uae30\ud654), d\ub294 \uc555\uc804 \uacc4\uc218, \uadf8\ub9ac\uace0 stress\ub294 \ubb3c\uc9c8\uc5d0 \uac00\ud574\uc9c4 \uae30\uacc4\uc801 \uc555\ub825\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/p>\n<h2>\uc555\uc804\ub958 \uc13c\uc11c\uc758 \uad6c\uc870\uc640 \uc791\ub3d9<\/h2>\n<p>\uc555\uc804\ub958 \uc13c\uc11c\ub294 \uc555\uc804 \ubb3c\uc9c8\uc744 \uc774\uc6a9\ud558\uc5ec \uae30\uacc4\uc801\uc778 \ud798\uc744 \uc804\uae30\uc801\uc778 \uc2e0\ud638\ub85c \ubcc0\ud658\ud569\ub2c8\ub2e4. \uc13c\uc11c\uc758 \ud575\uc2ec \ubd80\ud488\uc740 \uc555\uc804 \ubb3c\uc9c8\ub85c \ub9cc\ub4e4\uc5b4\uc9c4 \uacb0\uc815 \ub610\ub294 \uc138\ub77c\ubbf9\uc774\uba70, \uc774 \ubb3c\uc9c8 \uc591\uba74\uc5d0\ub294 \uc804\uadf9\uc774 \ubd80\ucc29\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \ud798\uc774 \uac00\ud574\uc9c8 \ub54c \uc555\uc804 \ubb3c\uc9c8 \ub0b4\uc5d0\uc11c \ubc1c\uc0dd\ud558\ub294 \uc804\ud558\ub294 \uc804\uadf9\uc744 \ud1b5\ud574 \ud750\ub974\uac8c \ub418\uace0, \uc774\ub97c \uce21\uc815\ud558\uba74 \uae30\uacc4\uc801\uc778 \ud798\uc758 \ud06c\uae30\ub97c \uc54c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uc555\uc804\ub958 \uc13c\uc11c\uc758 \uc791\ub3d9 \uacfc\uc815\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n<ol>\n<li>\uae30\uacc4\uc801 \ud798\uc774 \uc555\uc804 \ubb3c\uc9c8\uc5d0 \uac00\ud574\uc9d1\ub2c8\ub2e4.<\/li>\n<li>\uc555\uc804 \ubb3c\uc9c8 \ub0b4\uc5d0\uc11c \uc804\ud558 \ubd84\ub9ac\uac00 \uc77c\uc5b4\ub098\uba74\uc11c \uc804\uae30\uc801 \uc804\uc704\uac00 \ubc1c\uc0dd\ud569\ub2c8\ub2e4.<\/li>\n<li>\uc804\uadf9\uc744 \ud1b5\ud574 \ud750\ub974\ub294 \uc804\ud558\uc758 \uc591\uc774 \uce21\uc815\ub429\ub2c8\ub2e4.<\/li>\n<li>\uc774 \uc804\ud558\uc758 \uc591\uc744 \ubd84\uc11d\ud568\uc73c\ub85c\uc368 \uac00\ud574\uc9c4 \ud798\uc758 \ud06c\uae30\ub97c \uc54c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ol>\n<h2>\uc555\uc804\ub958 \uc13c\uc11c\uc758 \uc751\uc6a9 \ubd84\uc57c<\/h2>\n<p>\uc555\uc804\ub958 \uc13c\uc11c\ub294 \ub2e4\uc591\ud55c \ubd84\uc57c\uc5d0\uc11c \uc751\uc6a9\ub429\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uace0\uc815\ubc00 \uce21\uc815 \uae30\uae30, \uc790\ub3d9\ucc28\uc758 \ucda9\uaca9 \uac10\uc9c0\uae30, \uc758\ub8cc \ubd84\uc57c\uc758 \ucd08\uc74c\ud30c \uc7a5\ube44, \uadf8\ub9ac\uace0 \uc74c\uc545 \uc545\uae30\uc758 \ud53d\uc5c5 \ub4f1\uc5d0\uc11c \ub110\ub9ac \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \ub610\ud55c, \uc774 \uc13c\uc11c\ub294 \uc9c4\ub3d9 \uce21\uc815, \uc555\ub825 \uac10\uc9c0, \ud798\uc758 \uce21\uc815 \ub4f1\uc744 \ud3ec\ud568\ud574 \uacf5\ud559\uc801 \uc751\uc6a9\uc5d0 \uc788\uc5b4\uc11c \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4.<\/p>\n<p>\uc555\uc804\ub958 \uc13c\uc11c\uc758 \ubbfc\uac10\ub3c4\uc640 \ube60\ub978 \uc751\ub2f5\uc2dc\uac04\uc740 \uc815\ubc00\ud55c \uce21\uc815\uc774 \uc694\uad6c\ub418\ub294 \ud604\ub300 \uae30\uc220\uc5d0\uc11c \ub9e4\uc6b0 \uc911\uc694\ud55c \ud2b9\uc131\uc785\ub2c8\ub2e4. \ub9c8\ucc2c\uac00\uc9c0\ub85c, \uc774 \uc13c\uc11c\ub4e4\uc740 \ub2e4\ub978 \ud0c0\uc785\uc758 \uc13c\uc11c\ubcf4\ub2e4 \uc791\uace0 \uacbd\ub7c9\ud654\uac00 \uac00\ub2a5\ud574 \ud734\ub300\uc131\uacfc \uacf5\uac04 \ud65c\uc6a9\uc5d0 \ud6a8\uc728\uc801\uc785\ub2c8\ub2e4.<\/p>\n<h2>\uacb0\ub860<\/h2>\n<p>\uc555\uc804\ub958 \uc13c\uc11c\ub294 \uc77c\uc0c1 \uc0dd\ud65c\uacfc \uacf5\uc5c5 \ubd84\uc57c\uc5d0\uc11c \ub110\ub9ac \uc4f0\uc774\ub294 \ud575\uc2ec \uae30\uc220\uc785\ub2c8\ub2e4. \uc774 \uc13c\uc11c\ub4e4\uc740 \uc555\uc804 \ud6a8\uacfc\ub97c \ud65c\uc6a9\ud558\uc5ec \ubb3c\ub9ac\uc801\uc778 \ud798\uc744 \uc804\uae30\uc801\uc778 \uc2e0\ud638\ub85c \ubcc0\ud658\ud568\uc73c\ub85c\uc368 \ub2e4\uc591\ud55c \uc751\uc6a9\uc5d0\uc11c \ud070 \uac00\uce58\ub97c \uc9c0\ub2c8\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc555\uc804 \ud6a8\uacfc\uc758 \uae30\ubcf8 \uc774\ud574\ub97c \ud1b5\ud574 \uc6b0\ub9ac\ub294 \uc13c\uc11c \uae30\uc220\uc758 \uc6d0\ub9ac\uc640 \ubc1c\uc804 \uac00\ub2a5\uc131\uc744 \ub354\uc6b1 \uae4a\uc774 \uc778\uc2dd\ud558\uac8c \ub429\ub2c8\ub2e4. \uc55e\uc73c\ub85c\ub3c4 \uc555\uc804\ub958 \uc13c\uc11c\ub294 \ub354 \ub9ce\uc740 \ud601\uc2e0\uacfc \uc751\uc6a9\uc744 \uac00\ub2a5\ud558\uac8c \ud558\ub294 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \uacc4\uc18d\ud574\uc11c \ud560 \uac83\uc785\ub2c8\ub2e4. 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