{"id":6243,"date":"2022-06-26T11:31:23","date_gmt":"2022-06-26T02:31:23","guid":{"rendered":"http:\/\/ftz.myds.me\/wordpress\/?p=6243"},"modified":"2023-01-07T17:55:00","modified_gmt":"2023-01-07T08:55:00","slug":"%eb%85%b8%ec%9d%b4%ec%a6%88noise","status":"publish","type":"post","link":"http:\/\/ftz.myds.me\/wordpress\/%eb%85%b8%ec%9d%b4%ec%a6%88noise\/","title":{"rendered":"\ub178\uc774\uc988(Noise)\u2055"},"content":{"rendered":"\n

[acf field=ver]\u2605[acf field=rate]![acf field=edited] <\/p>\n\n\n\n

\ub178\uc774\uc988(Noise)<\/strong><\/p>\n\n\n\n

\uc804\uc790\ud30c \uc7a5\uc560(EMI: Electromagnetic Interference)\uac00 \uc804\uae30\uc124\ube44\uc758 \uc804\uae30\ubc30\uc120\uc5d0 \ubbf8\uce58\ub294 \uc601\ud5a5\uacfc \ub300\ucc45\uc744 \uc124\uba85\ud558\uc2dc\uc624. <\/p><\/blockquote>\n\n\n\n

\uc804\uae30\uc7a1\uc74c(Electrical Noise)\uc911\uc5d0\uc11c \uc815\uc804\uc720\ub3c4\uc7a1\uc74c\uacfc \uc804\uc790\uc720\ub3c4\uc7a1\uc74c\uc744 \uc124\uba85\ud558\uc2dc\uc624.<\/p><\/blockquote>\n\n\n\n

\uac1c\uc694<\/h3>\n\n\n\n

1) \ub178\uc774\uc988\ub294 \uc6d0\uce58\uc54a\ub294 \ubd88\uaddc\uce59\ud55c \uc7a1\uc74c\uc2e0\ud638\ub85c \uc6d0\ub798\uc758 \uc2e0\ud638\ub97c \uad50\ub780\ud558\uc5ec \uc804\uc790\uc7a5\uce58\uc758 \uae30\ub2a5\uc744 \uc800\ud574(\uc624\ub3d9\uc791, \ud30c\uad34, \uace0\uc7a5)\ud558\ub294 \uc694\uc778\uc774\ub2e4.
2) \ub178\uc774\uc988\ub294 \uc790\uc5f0\ud604\uc0c1\uacfc \uc778\uacf5\uc801\uc778 \uc6d0\uc778\uc73c\ub85c \ubc1c\uc0dd\ub41c\ub2e4.
3) \ub178\uc774\uc988\ub294 \ubc29\uc0ac, \uc804\ub3c4, \uc720\ub3c4\uacb0\ud569\uc5d0 \uc758\ud55c \ubc29\ubc95\uc73c\ub85c \uc804\uc790\uae30\uae30\uc5d0 \uc804\ub2ec\ub41c\ub2e4.<\/p>\n\n\n\n

\ub178\uc774\uc988 \ubc1c\uc0dd\uc6d0\uc778<\/h3>\n\n\n\n

\uc804\uc790\ud30c \ub178\uc774\uc988<\/h4>\n\n\n\n

(1) \uc804\uc790\ud30c\ub294 \uc804\uacc4\uc640 \uc790\uacc4\uac00 \uc11c\ub85c \uc9c1\uad50\ud558\uba74\uc11c \ub9e4\uc9c8\uc744 \uc9c4\ud589\ud558\ub294 \ud30c\uc758 \uc131\uc9c8\uc744 \uac16\uc73c\uba70 \uc8fc\ud30c\uc218\uc758 \ub300\uc5ed\uc740 ~300\ub9ccMHz\uae4c\uc9c0 \ub9e4\uc6b0 \ub113\uc740 \ud2b9\uc9d5\uc744 \uac16\ub294\ub2e4.
(2) \uc804\uc790\ud30c\uc758 \uacb0\ud569\uc5d0 \uc758\ud574 \ub178\uc774\uc988\uac00 \ubc1c\uc0dd\ub41c\ub2e4.<\/p>\n\n\n\n

\uc804\ub825\uc804\uc790 \uc2a4\uc704\uce6d\uc5d0 \uc758\ud55c \ub178\uc774\uc988<\/h4>\n\n\n\n

\uc804\ub825\uc804\uc790 \uc2a4\uc704\uce6d \uc18c\uc790\uac00 \uace0\uc18d\uc73c\ub85c \uc2a4\uc704\uce6d\uc744 \ud558\uae30 \ub54c\ubb38\uc5d0 \uc804\uc555\uacfc \uc804\ub958\uc758 \ubcc0\ud654\uac00 \uae09\uaca9\ud558\uac8c \ubc1c\uc0dd\ud558\uc5ec \uc11c\uc9c0\uc804\uc555 \ubc0f \uc11c\uc9c0\uc804\ub958\uac00 \uc0dd\uae34\ub2e4.<\/p>\n\n\n\n

\ud68c\ub85c\uc758 \uac1c\ud3d0\uc5d0 \uc758\ud55c \ub178\uc774\uc988<\/h4>\n\n\n\n

\uc804\uae30\ud68c\ub85c\uc758 \uac1c\ud3d0\uc7a5\uce58\uac00 \uac1c\ud3d0\uc2dc\uc5d0 \ubc1c\uc0dd\ub418\ub294 \uac1c\ud3d0\uc11c\uc9c0 \ud615\ud0dc\uc758 \ub178\uc774\uc988<\/p>\n\n\n\n

\uc720\ub3c4\uacb0\ud569\uc5d0 \uc758\ud55c \ub178\uc774\uc988<\/h4>\n\n\n\n

(1) \uc815\uc804\uc720\ub3c4 \ub178\uc774\uc988: \uc8fc\ubcc0 \uc804\uacc4\uc758 \uc601\ud5a5\uc73c\ub85c \uc804\uc555\uc774 \uc720\ub3c4\ub418\ub294 \ub178\uc774\uc988
(2) \uc804\uc790\uc720\ub3c4 \ub178\uc774\uc988: \uc8fc\ubcc0 \uc790\uacc4\uc758 \uc601\ud5a5\uc73c\ub85c \uc804\uc555\uc774 \uc720\ub3c4\ub418\ub294 \ub178\uc774\uc988<\/p>\n\n\n\n

\ubc29\uc804 \ub178\uc774\uc988<\/h4>\n\n\n\n

\ub1cc\ubc29\uc804, \uc815\uc804\uae30\uc758 \ubc29\uc804\uc2dc \uc804\uc555\uacfc \uc804\ub958\uc758 \uc2dc\uac04\uc801\uc778 \ubcc0\ud654\uc5d0 \uc758\ud574 \ub178\uc774\uc988\uac00 \ubc1c\uc0dd<\/p>\n\n\n\n

\ub178\uc774\uc988\uc758 \uc804\ub2ec<\/h3>\n\n\n\n

\ub178\uc774\uc988\ub294 \ubc29\uc0ac, \uc804\ub3c4, \uc720\ub3c4\uacb0\ud569\uc5d0 \uc758\ud55c \ubc29\ubc95\uc73c\ub85c \uc804\uc790\uae30\uae30\uc5d0 \uce68\uc785\ud558\uc5ec \uc601\ud5a5\uc744 \ubbf8\uce5c\ub2e4.<\/p>\n\n\n\n

1) \ub9e4\uc9c8\uc744 \ud1b5\ud55c \ubc29\uc0ac\ub97c \ud1b5\ud55c \uc804\ub2ec
2) \uc804\uc6d0\uc120, \uc811\uc9c0\uc120, \uc2e0\ud638\uc120\uc744 \ud1b5\ud55c \uc804\ub3c4\ub97c \ud1b5\ud55c \uc9c1\uc811\uc801\uc778 \uc804\ub2ec
3) \uc815\uc804\uc720\ub3c4\uc5d0 \uc758\ud55c \uacb0\ud569 \ubc0f \uc804\uc790\uc720\ub3c4\uc5d0 \uc758\ud55c \uacb0\ud569\uc5d0 \uc758\ud55c \uc804\ub2ec<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

\ub178\uc774\uc988 \uc601\ud5a5<\/h3>\n\n\n\n

1) \uc804\uc790\ud30c \uc7a5\ud574(EMI)
2) \uc11c\uc9c0\uc804\uc555\uc5d0 \uc758\ud55c \uae30\uae30\uc758 \uc808\uc5f0\ud30c\uad34
3) \uc81c\uc5b4\uae30\uae30\uc758 \uc624\ub3d9\uc791 \uc720\ubc1c
4) \uc13c\uc11c\ub97c \uc774\uc6a9\ud55c \uce21\uc815\uc758 \uc815\ubc00\ub3c4 \uc800\ud558
5) \ud1b5\uc2e0\uc7a1\uc74c \ubc1c\uc0dd
6) \ubc30\uc120\uc5d0 \ubbf8\uce58\ub294 \uc601\ud5a5 \u2192 \uc11c\uc9c0, \uc804\uc555\ubcc0\ub3d9(Sag, Swell, Flicker), \uc8fc\ud30c\uc218 \ubcc0\ub3d9 \ub4f1<\/p>\n\n\n\n

\ub178\uc774\uc988 \ub300\ucc45<\/h3>\n\n\n\n

L-C \ud544\ud130(Filter) \ubc0f Snubber \ud68c\ub85c<\/h4>\n\n\n\n

(1) L-C \ud544\ud130: \uc804\uc6d0\uc73c\ub85c\ubd80\ud130 \uc720\uc785\ub418\ub294 \ub178\uc774\uc988 \uc81c\uac70
(2) Snubber \ud68c\ub85c: \uace0\uc8fc\ud30c \uc2a4\uc704\uce6d \ub178\uc774\uc988 \ud761\uc218<\/p>\n\n\n\n

\ucc28\ud3d0(Shield)<\/h4>\n\n\n\n

\u2460 \uc815\uc804\ucc28\ud3d0\ub294 \ub3c4\uc804\uc131 \uc88b\uc740 \uae08\uc18d\uc81c \uc678\ud568\uc744 \uc0ac\uc6a9\ud558\uba70 \uc811\uc9c0\ud55c\ub2e4.
\u2461 \uc804\uc790\ucc28\ud3d0\ub294 \ud22c\uc790\uc728\uc774 \uc88b\uc740 \uae08\uc18d\uc7ac\ub8cc\ub97c \uc0ac\uc6a9\ud55c\ub2e4.<\/p>\n\n\n\n

\ucf00\uc774\ube14, \uc81c\uc5b4 \ubc0f \uc2e0\ud638\uc120<\/h4>\n\n\n\n

\u2460 \ucc28\ud3d0\uce35\uc774 \uc788\ub294 \uc804\ub825\ucf00\uc774\ube14 \ubc0f \uc81c\uc5b4\ucf00\uc774\ube14 \uc0ac\uc6a9
\u2461 \ucc28\ud3d0\uce35\uc758 \uc811\uc9c0 \u2192 \uc815\uc804\uc720\ub3c4 \ub178\uc774\uc988 \uc81c\uac70
\u2462 \uc2e0\ud638\uc120\uc758 \ud2b8\uc704\uc2a4\ud2b8(Twist) \u2192 Stray \uc790\uc18d\uc5d0 \uc758\ud55c \uc804\uc790\uc720\ub3c4 \ub178\uc774\uc988 \uc81c\uac70<\/p>\n\n\n\n

\uc811\uc9c0<\/h4>\n\n\n\n

\u2460 \uae30\ubcf8\ubc29\uce68 \u2192 \uc811\uc9c0\uc800\ud56d\uc758 \ucd5c\uc18c\ud654, \uc811\uc9c0\ub8e8\ud504\uc758 \ucd5c\uc18c\ud654, \uc811\uc9c0\uc120 \ucd5c\uc18c\ud654
\u2461 \uae30\uc900\uc804\uc704 \ud655\ubcf4\ub97c \uc704\ud55c \uc811\uc9c0 \u2192 \uc815\ubcf4\ud1b5\uc2e0\uae30\uae30\uc758 \uc624\ub3d9\uc791 \ubc29\uc9c0
\u2462 \ub4f1\uc804\uc704 \ubcf8\ub529 \u2192 \ub1cc\uc11c\uc9c0 \ubcf4\ud638, SPD \uc0ac\uc6a9<\/p>\n\n\n\n

\ubcc0\uc555\uae30<\/h4>\n\n\n\n

(1) \uc808\uc5f0\ubcc0\uc555\uae30 (Isolating Tr)
(2) \uc274\ub4dc\ubcc0\uc555\uae30 (Shield Tr)
(3) \ub178\uc774\uc988 \ucef7 \ubcc0\uc555\uae30 (Noise Cut Tr)<\/p>\n\n\n\n

\uc11c\uc9c0\ubcf4\ud638\uae30\uae30 <\/h4>\n\n\n\n

\u2192 \ub1cc\uc11c\uc9c0, \uac1c\ud3d0\uc11c\uc9c0\uc758 \ubcf4\ud638\ub97c \uc704\ud574 LA, SA, SPD \uc0ac\uc6a9<\/p>\n\n\n\n

\uc804\uc790\uae30\uae30 \ub178\uc774\uc988 \ub0b4\uc131\uc744 \uc99d\uac00<\/h4>\n\n\n\n

\u203b \uc804\uc790\ud30c \uc7a5\ud574 <\/h4>\n\n\n\n

(EMI, Electro-Magnetic Interference)<\/p>\n\n\n\n

\uc804\uc790\uc7a5\uce58\uc5d0\uc11c \ubc1c\uc0dd\ud55c \uc804\uc790\ud30c\uac00 \ub2e4\ub978 \uc804\uc790\uc7a5\uce58\uc5d0 \ubbf8\uce58\ub294 \uc7a5\ud574(\uc624\ub3d9\uc791, \uace0\uc7a5 \ub4f1)\uc758 \uc815\ub3c4\ub97c \ub9d0\ud55c\ub2e4. \uc989 EMI\ub294 \uc804\uc790\uc7a5\uce58 \uc790\uc2e0\uc774 \uc678\ubd80\uc5d0 \ub300\ud574\uc11c \uc5bc\ub9c8\ub9cc\ud55c \uc804\uc790\ud30c \ub178\uc774\uc988\uc6d0\uc73c\ub85c \uc791\uc6a9\ud558\ub294\uc9c0\uac00 \uad00\uc810\uc774\ub2e4. \uadf8\ub7ec\ubbc0\ub85c \uc804\uc790\uc7a5\uce58 \ubc0f \ub0b4\ubd80\ubd80\ud488\uc774 \uc804\uc790\ud30c \ub178\uc774\uc988\ub97c \ubc1c\uc0dd\ud558\uc9c0 \uc54a\ub3c4\ub85d \ud558\uae30 \uc704\ud55c \ub300\ucc45\uc774 EMI \ub300\ucc45\uc774\ub2e4.<\/p>\n\n\n\n

\u203b \uc804\uc790\ud30c \uac10\uc218\uc131 <\/h4>\n\n\n\n

(EMS, Electro-Magnetic Susceptibility)<\/p>\n\n\n\n

\uc804\uc790\ud30c \uac10\uc218\uc131\uc5d0 \uc5ed\uc218\ub97c \ucde8\ud558\uba74 \uc804\uc790\ud30c \ub0b4\uc131(Immunity)\uc774 \ub41c\ub2e4. \uc989 \uc804\uc790\ud30c \uac10\uc218\uc131\uc740 \uc804\uc790\uc7a5\uce58\uac00 \ub2e4\ub978 \uae30\uae30\ub85c\ubd80\ud130 \ubc1c\uc0dd\ud558\ub294 \uc804\uc790\uae30\uc801 \ubc29\ud574\ub97c \ubc1b\uc544\ub3c4 \uc545\uc601\ud5a5\uc774 \uc5c6\uc774 \uc791\ub3d9\ud560 \uc218 \uc788\ub294 \uc131\uc9c8\uc744 \ub9d0\ud55c\ub2e4. \uadf8\ub7ec\ubbc0\ub85c \uc804\uc790\ud30c \uac10\uc218\uc131\uc740 \uc678\ubd80\uc5d0\uc11c \uc720\uc785\ub418\ub294 \uc804\uc790\ud30c \ub178\uc774\uc988\uc5d0 \ub300\ud55c \uc5bc\ub9c8\ub098 \uacac\ub51c\uc218 \uc788\ub294\uc9c0\ub97c \ub098\ud0c0\ub0b4\ub294 \ucc99\ub3c4\uc774\ub2e4.<\/p>\n\n\n\n

\u203b \uc804\uc790\ud30c \uc591\ub9bd\uc131 <\/h4>\n\n\n\n

(EMC, Electro-Magnetic Compatibility)<\/p>\n\n\n\n

\uc804\uc790\ud30c \ub178\uc774\uc988\ub97c \ubc1c\uc0dd\ub418\uc9c0 \uc54a\ub3c4\ub85d \ud568\uacfc \ub3d9\uc2dc\uc5d0 \uc678\ubd80 \uc804\uc790\ud30c \ub178\uc774\uc988\uc5d0 \ub300\ud574\uc11c \ub0b4\uc131\uc744 \uac16\ub3c4\ub85d \uc989 \uc591\uc790\uc758 \uade0\ud615\uc744 \uc720\uc9c0\ud558\ub3c4\ub85d \ud558\ub294 \uac83\uc744 \ub9d0\ud55c\ub2e4.<\/p>\n\n\n\n

\u2605\uc804\ub825\ud488\uc9c8<\/a>
\uc804\ub825\ud488\uc9c8 \uc800\ud574\uc694\uc18c<\/a>
\uc21c\uc2dc\uc804\uc555\uac15\ud558(Voltage Sag)<\/a>
–\ubb34\uc815\uc804-\uc804\uc6d0\uacf5\uae09\uc7a5\uce58<\/a>
\uc804\uc555 \ubcc0\ub3d9<\/a>
\uace0\uc870\ud30c(1)<\/a>
–\uace0\uc870\ud30c\uac00 \uc804\ub825\uae30\uae30\uc5d0 \ubbf8\uce58\ub294 \uc601\ud5a5<\/a>
\uace0\uc870\ud30c \uad00\ub9ac\uae30\uc900<\/a>
–\uc608\uc81c<\/a>
K-Factor \ubcc0\uc555\uae30<\/a>
\ub178\uc774\uc988(Noise)<\/a>
\uc815\uc804\uae30<\/a> <\/em><\/strong><\/h6>\n","protected":false},"excerpt":{"rendered":"

[acf field=ver]\u2605[acf field=rate]![acf field=edited] \ub178\uc774\uc988(Noise) \uc804\uc790\ud30c \uc7a5\uc560(EMI: Electromagnetic Interference)\uac00 \uc804\uae30\uc124\ube44\uc758 \uc804\uae30\ubc30\uc120\uc5d0 \ubbf8\uce58\ub294 \uc601\ud5a5\uacfc \ub300\ucc45\uc744 \uc124\uba85\ud558\uc2dc\uc624. \uc804\uae30\uc7a1\uc74c(Electrical Noise)\uc911\uc5d0\uc11c \uc815\uc804\uc720\ub3c4\uc7a1\uc74c\uacfc \uc804\uc790\uc720\ub3c4\uc7a1\uc74c\uc744 \uc124\uba85\ud558\uc2dc\uc624. \uac1c\uc694 1) \ub178\uc774\uc988\ub294 \uc6d0\uce58\uc54a\ub294 \ubd88\uaddc\uce59\ud55c \uc7a1\uc74c\uc2e0\ud638\ub85c \uc6d0\ub798\uc758 \uc2e0\ud638\ub97c \uad50\ub780\ud558\uc5ec \uc804\uc790\uc7a5\uce58\uc758 \uae30\ub2a5\uc744 \uc800\ud574(\uc624\ub3d9\uc791, \ud30c\uad34, \uace0\uc7a5)\ud558\ub294 \uc694\uc778\uc774\ub2e4.2) \ub178\uc774\uc988\ub294 \uc790\uc5f0\ud604\uc0c1\uacfc \uc778\uacf5\uc801\uc778 \uc6d0\uc778\uc73c\ub85c \ubc1c\uc0dd\ub41c\ub2e4.3) \ub178\uc774\uc988\ub294 \ubc29\uc0ac, \uc804\ub3c4, \uc720\ub3c4\uacb0\ud569\uc5d0 \uc758\ud55c \ubc29\ubc95\uc73c\ub85c \uc804\uc790\uae30\uae30\uc5d0 \uc804\ub2ec\ub41c\ub2e4. \ub178\uc774\uc988 \ubc1c\uc0dd\uc6d0\uc778 \uc804\uc790\ud30c \ub178\uc774\uc988 (1) \uc804\uc790\ud30c\ub294 \uc804\uacc4\uc640 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[503],"tags":[],"_links":{"self":[{"href":"http:\/\/ftz.myds.me\/wordpress\/wp-json\/wp\/v2\/posts\/6243"}],"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=6243"}],"version-history":[{"count":0,"href":"http:\/\/ftz.myds.me\/wordpress\/wp-json\/wp\/v2\/posts\/6243\/revisions"}],"wp:attachment":[{"href":"http:\/\/ftz.myds.me\/wordpress\/wp-json\/wp\/v2\/media?parent=6243"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/ftz.myds.me\/wordpress\/wp-json\/wp\/v2\/categories?post=6243"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/ftz.myds.me\/wordpress\/wp-json\/wp\/v2\/tags?post=6243"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}