{"id":424,"date":"2024-08-10T10:55:22","date_gmt":"2024-08-10T08:55:22","guid":{"rendered":"https:\/\/gezhi-tech.com\/?p=424"},"modified":"2025-09-27T17:50:24","modified_gmt":"2025-09-27T15:50:24","slug":"clause-3-how-to-understand-the-definition-of-protective-impedance","status":"publish","type":"post","link":"https:\/\/gezhi-tech.com\/ko\/clause-3-how-to-understand-the-definition-of-protective-impedance\/","title":{"rendered":"3\ud56d \u2013 \u201c\ubcf4\ud638\uc784\ud53c\ub358\uc2a4\u201d\uc758 \uc815\uc758\ub97c \uc774\ud574\ud558\ub294 \ubc29\ubc95"},"content":{"rendered":"\ubcf4\ud638 \uc784\ud53c\ub358\uc2a4: \uae30\uae30\uc758 \uc815\uc0c1 \uc0ac\uc6a9 \ubc0f \uace0\uc7a5 \uac00\ub2a5\uc131\uc774 \uc788\ub294 \uc870\uac74\uc5d0\uc11c \uc804\ub958\uac00 \uc548\uc804\ud55c \uac12\uc73c\ub85c \uc81c\ud55c\ub418\ub3c4\ub85d \ucda9\uc804\ubd80\uc640 2\uc885 \uad6c\uc870\uc758 \uc811\uadfc \uac00\ub2a5\ud55c \uc804\ub3c4\uc131 \ubd80\ubd84 \uc0ac\uc774\uc5d0 \uc5f0\uacb0\ub41c \uc784\ud53c\ub358\uc2a4.<br>\n<br>\n\uc0ac\ub840 1:<br>\uccab \ubc88\uc9f8 \uacbd\uc6b0\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uc5b4\ub311\ud130 \uad6c\ub3d9 \uc81c\ud488\uacfc \uac19\uc774 \uc800\uc804\uc555 \uc804\uc6d0 \uacf5\uae09\uc774 \ud544\uc694\ud55c \uc77c\ubd80 \uc0c1\ud669\uc785\ub2c8\ub2e4. \uc5b4\ub311\ud130\uc758 \ucd9c\ub825 \uc804\uc555\uc740 DC12V, DC24V \ub610\ub294 DC5V\uc785\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc800\uc804\uc555 \ubd80\ubd84\uc740 \uc77c\ubc18\uc801\uc73c\ub85c DC \uc800\uc804\uc555 \ubd80\ubd84\uc774 \ubcc0\uc555\uae30 \ubcc0\uc555 \ubc0f \uc815\ub958\uae30 \uc804\ub958\uc758 \uc815\ub958\uc5d0 \uc758\ud574 \uc5bb\uc5b4\uc9c0\uae30 \ub54c\ubb38\uc5d0 \uc0ac\uc6a9\uc790\uac00 \ub9cc\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c \uace0\uc804\uc555\ubd80\uc640 \uc804\uc555\ubd80\uac00 \ud6a8\uacfc\uc801\uc73c\ub85c \ubd84\ub9ac\ub418\ub3c4\ub85d \ubcf4\uc7a5\ud560 \ud544\uc694\uac00 \uc788\ub2e4. \uc77c\ubc18\uc801\uc778 \uc2a4\uc704\uce6d \uc804\uc6d0 \uacf5\uae09 \uc7a5\uce58 \ubcf4\ub4dc\uc5d0\uc11c EMC \uc804\ub3c4 \ud14c\uc2a4\ud2b8\ub97c \uc218\ud589\ud560 \ub54c \ubcc0\uc555\uae30\uc758 1\ucc28\uce21\uc5d0\uc11c \uc0dd\uc131\ub41c \uac04\uc12d\uc740 1\ucc28\uce21\uacfc 2\ucc28\uce21 \uc0ac\uc774\uc758 \uae30\uc0dd \uc6a9\ub7c9\uc744 \ud1b5\uacfc\ud558\uc5ec 150k-30MHz \uc804\ub3c4\uc131 \uac04\uc12d\uc744 \uc0dd\uc131\ud558\uace0 2\ucc28\uce21\uc5d0 \ub3c4\ub2ec\ud569\ub2c8\ub2e4. \uc5ec\uae30\uc11c\ub294 Y \ucee4\ud328\uc2dc\ud130\ub97c \uc0ac\uc6a9\ud558\uc5ec \uac04\uc12d \uc2e0\ud638\uac00 \uc804\uc6d0\uc73c\ub85c \ub3cc\uc544\uac00\ub3c4\ub85d \ud558\uace0 \uac04\uc12d\uc744 \uc0c1\uc1c4\ud558\ub294 \ub8e8\ud504\ub97c \ud615\uc131\ud569\ub2c8\ub2e4. \uadf8\ub807\uc9c0 \uc54a\uc73c\uba74 \uc804\ub3c4 \ud14c\uc2a4\ud2b8\uac00 \uc2e4\ud328\ud558\uac8c \ub429\ub2c8\ub2e4. \uc5ec\uae30\uc11c Y \ucee4\ud328\uc2dc\ud130\ub294 \ubcf4\ud638 \uc784\ud53c\ub358\uc2a4\ub97c \ud615\uc131\ud569\ub2c8\ub2e4. \uc544\ub798 \uadf8\ub9bc\uc758 \ube68\uac04\uc0c9 \ubc15\uc2a4\uc5d0\uc11c \uc120\ud0dd\ud55c 2\uac1c\uc758 Y \ucee4\ud328\uc2dc\ud130\uac00 \ubcf4\ud638\uc784\ud53c\ub358\uc2a4\uc774\ub2e4.<br>\n<figure class=\"wp-block-image size-full\"><br>\n<img loading=\"lazy\" decoding=\"async\" width=\"760\" height=\"363\" src=\"https:\/\/gezhi-tech.com\/wp-content\/uploads\/2024\/08\/protective-impedance-in-switch-power-supply.jpg\" alt=\"\" class=\"wp-image-425\" srcset=\"https:\/\/gezhi-tech.com\/wp-content\/uploads\/2024\/08\/protective-impedance-in-switch-power-supply.jpg 760w, https:\/\/gezhi-tech.com\/wp-content\/uploads\/2024\/08\/protective-impedance-in-switch-power-supply-300x143.jpg 300w\" sizes=\"auto, (max-width: 760px) 100vw, 760px\" \/><br>\n<\/figure><br>\n\ub450 \uac1c\uc758 \ubcf4\ud638 \uc784\ud53c\ub358\uc2a4\ub294 T2 \ubcc0\uc555\uae30\uc758 1\ucc28 \uad8c\uc120\uacfc 2\ucc28 \uad8c\uc120 \uc0ac\uc774\uc5d0 \uc5f0\uacb0\ub429\ub2c8\ub2e4. \uc544\ub798 \uadf8\ub9bc\uc758 \uc810\uc120\uc740 220~240V \ub3d9\uc791\uc804\uc555\ubd80\uc640 \uc800\uc791\ub3d9\uc804\uc555\ubd80(SELV)\uac00 \ubd84\ub9ac\ub418\uc5b4 \uc788\uc74c\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<br>\n<figure class=\"wp-block-image size-full is-resized\"><br>\n<img loading=\"lazy\" decoding=\"async\" width=\"373\" height=\"245\" src=\"https:\/\/gezhi-tech.com\/wp-content\/uploads\/2024\/08\/circuit-diagram-for-switch-power-supply.png\" alt=\"\" class=\"wp-image-426\" style=\"width:776px;height:auto\" srcset=\"https:\/\/gezhi-tech.com\/wp-content\/uploads\/2024\/08\/circuit-diagram-for-switch-power-supply.png 373w, https:\/\/gezhi-tech.com\/wp-content\/uploads\/2024\/08\/circuit-diagram-for-switch-power-supply-300x197.png 300w\" sizes=\"auto, (max-width: 373px) 100vw, 373px\" \/><br>\n<\/figure><br>\n\uc0ac\ub840 2: \uc74c\uc774\uc628 \ubc1c\uc0dd\uae30\uc5d0 \uc0ac\uc6a9\ub418\ub294 \ubcf4\ud638 \uc784\ud53c\ub358\uc2a4. \uc544\ub798 \uc67c\ucabd \uadf8\ub9bc\uacfc \uac19\uc774 \ud770\uc0c9 \uc120\uc774 \uace0\uc804\uc555 \ucd9c\ub825\ub2e8\uc774\uace0, \ub098\uba38\uc9c0 \ub450 \uc120\uc740 \uc804\uc6d0 \uc785\ub825\uc120\uc785\ub2c8\ub2e4.<br>\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\"><div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><figure class=\"wp-block-image size-full\"><br>\n<img loading=\"lazy\" decoding=\"async\" width=\"290\" height=\"476\" src=\"https:\/\/gezhi-tech.com\/wp-content\/uploads\/2024\/08\/220V-Negative-Ion-Generator-for-Air-Purifier-Accessories-Parts.png\" alt=\"\" class=\"wp-image-427\" srcset=\"https:\/\/gezhi-tech.com\/wp-content\/uploads\/2024\/08\/220V-Negative-Ion-Generator-for-Air-Purifier-Accessories-Parts.png 290w, https:\/\/gezhi-tech.com\/wp-content\/uploads\/2024\/08\/220V-Negative-Ion-Generator-for-Air-Purifier-Accessories-Parts-183x300.png 183w\" sizes=\"auto, (max-width: 290px) 100vw, 290px\" \/><br>\n<\/figure><\/div><div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><figure class=\"wp-block-image size-full\"><br>\n<img loading=\"lazy\" decoding=\"async\" width=\"916\" height=\"675\" src=\"https:\/\/gezhi-tech.com\/wp-content\/uploads\/2024\/08\/Negative-ion-generator.jpg\" alt=\"\" class=\"wp-image-428\" srcset=\"https:\/\/gezhi-tech.com\/wp-content\/uploads\/2024\/08\/Negative-ion-generator.jpg 916w, https:\/\/gezhi-tech.com\/wp-content\/uploads\/2024\/08\/Negative-ion-generator-300x221.jpg 300w, https:\/\/gezhi-tech.com\/wp-content\/uploads\/2024\/08\/Negative-ion-generator-768x566.jpg 768w\" sizes=\"auto, (max-width: 916px) 100vw, 916px\" \/><br>\n<\/figure><\/div><\/div><br>\n\uc544\ub798 \uadf8\ub9bc\uc740 \uc74c\uc774\uc628 \ubc1c\uc0dd\uae30\uc758 \ud68c\ub85c\ub3c4\uc785\ub2c8\ub2e4. \ube68\uac04\uc0c9 \uc9c1\uc0ac\uac01\ud615\uc73c\ub85c \uc120\ud0dd\ub41c \ub450 \uac1c\uc758 \uc800\ud56d\uc774 \uc77c\ubc18\uc801\uc778 \ubcf4\ud638 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\uadf8\ub9bc\uc5d0\uc11c CY1, CY2\ub294 \ubcf4\ud638\uc784\ud53c\ub358\uc2a4\uc778\uac00\uc694?<br>\n<figure class=\"wp-block-image is-resized\"><br>\n<img decoding=\"async\" src=\"https:\/\/gezhi-tech.com\/wp-content\/uploads\/2024\/08\/is-it-a-protective-impedance.png\" alt=\"\" style=\"width:716px;height:auto\"\/><br>\n<\/figure><br>\n\ud45c\uc900\uc758 \uc815\uc758\uc5d0 \ub530\ub974\uba74 \ubcf4\ud638 \uc784\ud53c\ub358\uc2a4\ub294 \uc811\uc9c0\uac00 \uc788\ub294 \ud074\ub798\uc2a4 II \uad6c\uc131\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc5ec\uae30\uc11c \uc811\uc9c0\ub97c \ubcf4\ud638 \uc811\uc9c0\ub85c \uc815\uc758\ud558\uba74 \ub2f9\uc5f0\ud788 CY1\uacfc CY2\ub97c \ubcf4\ud638 \uc784\ud53c\ub358\uc2a4\ub85c \uc815\uc758\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4. \uc65c\ub0d0\ud558\uba74 \ubcf4\ud638 \uc784\ud53c\ub358\uc2a4\ub294 \ud074\ub798\uc2a4 II \uad6c\uc131\uc5d0 \uc0ac\uc6a9\ub418\uba70 \uc5ec\uae30\uc11c\ub294 \ud074\ub798\uc2a4 I \uad6c\uc131\uc774 \uc0ac\uc6a9\ub418\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4. \uc5ec\uae30\uc11c \uc811\uc9c0\uc640 \uc811\uc9c0\ub97c \uae30\ub2a5 \uc811\uc9c0\ub85c \uc815\uc758\ud558\uba74 \ub450 \uac00\uc9c0 \ubb38\uc81c\uac00 \uc788\uc2b5\ub2c8\ub2e4. \uccab\uc9f8, \uc774\ub294 \ud074\ub798\uc2a4 I \uad6c\uc870\uc774\ubbc0\ub85c CY1\uacfc CY2\ub294 \ubcf4\ud638 \uc784\ud53c\ub358\uc2a4\ub85c \uc815\uc758\ub420 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4. \ub458\uc9f8, Class II \uad6c\uc870\ub77c\uba74 CY1\uacfc CY2\ub97c \ubcf4\ud638\uc784\ud53c\ub358\uc2a4\ub85c \uc815\uc758\ud560 \uc218 \uc788\uc73c\uba70, \uc774\uc5d0 \ub530\ub978 \ubcf4\ud638\uc784\ud53c\ub358\uc2a4 \uc694\uad6c\uc0ac\ud56d\uc744 \ub9cc\uc871\ud574\uc57c \ud55c\ub2e4. \uac1c\uc778\uc801\uc778 \uc758\uacac\uc73c\ub85c\ub294 CY1\uacfc CY2\ub294 \ubcf4\ud638\uc784\ud53c\ub358\uc2a4\uac00 \uc544\ub2c8\uba70, \uae30\ubcf8\uc808\uc5f0\uc774\ub77c\uace0 \ubc14\ub85c \uac04\uc8fc\ud560 \uc218 \uc788\ub2e4\ub294 \uac83\uc785\ub2c8\ub2e4. \uacb0\uad6d, \ud68c\ub85c\ub3c4\uc5d0 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