{"id":8399,"date":"2026-02-19T19:01:23","date_gmt":"2026-02-19T10:01:23","guid":{"rendered":"https:\/\/now0930.pe.kr\/wordpress\/?p=8399"},"modified":"2026-10-04T11:33:53","modified_gmt":"2026-10-04T02:33:53","slug":"%ed%98%84%eb%8c%80%ec%a0%84%eb%a0%a5%ec%a0%84%ec%9e%90%ea%b3%b5%ed%95%99-1%ec%9e%a5","status":"publish","type":"post","link":"https:\/\/now0930.pe.kr\/wordpress\/%ed%98%84%eb%8c%80%ec%a0%84%eb%a0%a5%ec%a0%84%ec%9e%90%ea%b3%b5%ed%95%99-1%ec%9e%a5\/","title":{"rendered":"\ud604\ub300\uc804\ub825\uc804\uc790\uacf5\ud559 1\uc7a5"},"content":{"rendered":"\n
\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\"\"<\/figure>\n\n\n\n“`html\n
\n\n

\ud604\ub300\uc804\ub825\uc804\uc790\uacf5\ud559 1\uc7a5<\/h1>\n\n
\n Power Electronics \u00b7 Power Converter \u00b7 Rectifier \u00b7 Inverter \u00b7 AC Converter \u00b7 RF \u00b7 THD \u00b7 PF \u00b7 Phase Control \u00b7 PWM\n <\/div>\n\n\n \n

1. \uc804\ub825\uc804\uc790\uacf5\ud559<\/h2>\n\n
\n\n

\n \uccab \ubc88\uc9f8 \uc774\ubbf8\uc9c0\uc5d0\uc11c\ub294 \uc804\ub825\uc804\uc790\ub97c\n \uc804\ub825\uc6a9 \ubc18\ub3c4\uccb4 \uc18c\uc790\ub97c \ubc14\ud0d5\uc73c\ub85c\n \uc804\ub825\ubcc0\ud658\uae30\ub97c \uc774\uc6a9\ud558\uc5ec \uc804\uae30\uc5d0\ub108\uc9c0\ub97c\n \ubcc0\ud658\u00b7\uc81c\uc5b4\ud558\ub294 \uae30\uc220\ub85c \uae30\ub85d\ud55c\ub2e4.\n <\/p>\n\n

\n Power Electronics\n =\n \uc804\ub825\uc6a9 \ubc18\ub3c4\uccb4 \uc18c\uc790\n +\n Power Converter\n +\n \uc804\uae30\uc5d0\ub108\uc9c0 \ubcc0\ud658\u00b7\uc81c\uc5b4\n <\/div>\n\n
\n \n \ud604\ub300 \uc804\ub825\uc804\uc790\uc758 \uc2dc\uc791\uc744\n GE\uc758 SCR \ub4f1\uc7a5\uacfc \uc5f0\uacb0\ud558\uc5ec \uae30\ub85d\ud55c\ub2e4.\n <\/strong>\n <\/div>\n\n <\/div>\n\n\n \n

2. SCR<\/h2>\n\n
\n\n

\n \uc6d0\ubcf8\uc5d0\ub294 \ud604\ub300 \uc804\ub825\uc804\uc790\uc758 \uc2dc\uc791\uc744\n GE\uc758 SCR\uacfc \uc5f0\uacb0\ud55c \uba54\ubaa8\uac00 \uc788\ub2e4.\n <\/p>\n\n

\n SCR\uc5d0 \ub300\ud574\uc11c\ub294\n \uc7a5\uc810\uc740 \ub9ce\uc9c0\ub9cc \uc0ac\uc6a9\uc774 \uc27d\uc9c0 \uc54a\uc558\ub2e4\ub294\n \ub2e8\uc810 \uba54\ubaa8\uac00 \ud568\uaed8 \uae30\ub85d\ub418\uc5b4 \uc788\ub2e4.\n <\/p>\n\n <\/div>\n\n\n \n

3. \uc804\ub825\ubcc0\ud658\uc758 \uc885\ub958<\/h2>\n\n
\n\n

\n \uccab \ubc88\uc9f8 \uc774\ubbf8\uc9c0\ub294 \uc804\ub825\ubcc0\ud658 \ubc29\ud5a5\uc744\n \ub124 \uac00\uc9c0\ub85c \uad6c\ubd84\ud55c\ub2e4.\n <\/p>\n\n

\n\n \n \n \n \n \n \n \n \n
\uc785\ub825<\/th>\n \ucd9c\ub825<\/th>\n \uc6d0\ubcf8 \uba85\uce6d<\/th>\n <\/tr>\n <\/thead>\n\n
DC<\/td>\n DC<\/td>\n Chopper<\/td>\n <\/tr>\n\n
DC<\/td>\n AC<\/td>\n Inverter<\/td>\n <\/tr>\n\n
AC<\/td>\n DC<\/td>\n Rectifier<\/td>\n <\/tr>\n\n
AC<\/td>\n AC<\/td>\n Cycloconverter<\/td>\n <\/tr>\n <\/tbody>\n <\/table>\n\n <\/div>\n\n <\/div>\n\n\n \n

4. \uc804\ub825\ubcc0\ud658 \uad00\uacc4<\/h2>\n\n
\n\n 
\n              DC\n          \u250c\u2500\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2510\n          \u2502         \u2502\n      Chopper    Inverter\n          \u2502         \u2502\n          \u25bc         \u25bc\n         DC         AC\n\n         AC\n      \u250c\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n      \u2502                \u2502\n  Rectifier      Cycloconverter\n      \u2502                \u2502\n      \u25bc                \u25bc\n     DC                AC\n    <\/pre>\n\n  <\/div>\n\n\n  \n  
5. \uac00\uc0c1\uc758 \uc804\ub825 Converter<\/h2>\n\n  
\n\n    
\n      \ub450 \ubc88\uc9f8 \uc774\ubbf8\uc9c0\ub294\n      \uc5ec\ub7ec \uac1c\uc758 \uc774\uc0c1\uc801\uc778 Switch\ub97c \uc0ac\uc6a9\ud558\ub294\n      \uac00\uc0c1 \uc804\ub825 Converter\ub97c \uadf8\ub9b0\ub2e4.\n    <\/p>\n\n    
\n        Source\n          \u2502\n      \u250c\u2500\u2500 S1 \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n      \u2502                \u2502\n      \u2502                RL\n      \u2502                \u2502\n      \u2514\u2500\u2500 S2 \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518\n           \u2572 S3,S4\n\n             S5\n             \u2502\n        Load Side\n    <\/pre>\n\n    
\n      S1~S5\uc758 \uc0c1\ud0dc\ub97c \ubc14\uafb8\uc5b4\n      \uc785\ub825\uc804\uc555\uc758 \uadf9\uc131\uacfc \ubd80\ud558 \uc5f0\uacb0\uc0c1\ud0dc\ub97c\n      \uc81c\uc5b4\ud558\ub294 \uad6c\uc870\uc774\ub2e4.\n    <\/p>\n\n  <\/div>\n\n\n  \n  
6. Converter\uc758 \uc0c1\ud0dc<\/h2>\n\n  
\n\n    
\n      \uc6d0\ubcf8\uc5d0\uc11c\ub294 Converter\ub97c\n      \uc5ec\ub7ec Switching State\ub85c \uad6c\ubd84\ud55c\ub2e4.\n    <\/p>\n\n    
\n      \ucd08\uae30 \uc0c1\ud0dc\uc5d0\uc11c\ub294\n      S1, S2, S3, S4\uac00 Open\uc774\uace0\n      S5\uac00 Close\uc778 \uc0c1\ud0dc\ub97c \uae30\ub85d\ud55c\ub2e4.\n    <\/p>\n\n    
\n      State 0\n      \u2192\n      S1,S2,S3,S4 : Open\n      ,\n      S5 : Close\n    <\/div>\n\n  <\/div>\n\n\n  \n  
7. \uc815\ub958 \ub3d9\uc791<\/h2>\n\n  
\n\n    
\n      \ub450 \ubc88\uc9f8 \uc774\ubbf8\uc9c0\uc5d0\uc11c\ub294\n      Switch\ub97c \uc21c\uc11c\uc5d0 \ub530\ub77c \ub3d9\uc791\uc2dc\ucf1c\n      \uc785\ub825\uc758 \uadf9\uc131\uc774 \ubcc0\ud574\ub3c4\n      \ubd80\ud558\uc5d0\ub294 \uac19\uc740 \ubc29\ud5a5\uc758 \uc804\uc555\uc744 \uacf5\uae09\ud558\ub294\n      \uc815\ub958 \ub3d9\uc791\uc744 \uc124\uba85\ud55c\ub2e4.\n    <\/p>\n\n    
\n      AC Input\n      \u2192\n      Switching\n      \u2192\n      DC + Ripple\n    <\/div>\n\n    
\n      \n        \uc2a4\uc704\uce58\ub97c \ub3d9\uc791\uc2dc\ud0a4\uba74\uc11c\n        \uc785\ub825\uc758 \ubc18\uc8fc\uae30\ub9c8\ub2e4 \uc5f0\uacb0\uc0c1\ud0dc\ub97c \ubc14\uafb8\uc5b4\n        \ucd9c\ub825\uc758 \uadf9\uc131\uc744 \uc77c\uc815\ud558\uac8c \ub9cc\ub4dc\ub294 \uad6c\uc870\uc774\ub2e4.\n      <\/strong>\n    <\/div>\n\n  <\/div>\n\n\n  \n  
8. \ucd9c\ub825 DC\uc640 Ripple<\/h2>\n\n  
\n\n    
\n      \uc815\ub958 \ud6c4 \ucd9c\ub825\uc740 \uc644\uc804\ud55c DC\uac00 \uc544\ub2c8\ub77c\n      DC \uc131\ubd84\uc5d0 Ripple\uc774 \ud3ec\ud568\ub41c \ud615\ud0dc\ub85c \uae30\ub85d\ud55c\ub2e4.\n    <\/p>\n\n    
\n      Output\n      =\n      DC\n      +\n      Ripple\n    <\/div>\n\n  <\/div>\n\n\n  \n  
9. \ud30c\ud615 \uc131\ub2a5\uc9c0\uc218<\/h2>\n\n  
\n\n    
\n      \uc138 \ubc88\uc9f8 \uc774\ubbf8\uc9c0\ub294\n      \uc804\ub825\ubcc0\ud658\uae30\uc758 \ucd9c\ub825\ud30c\ud615\uc744 \ud3c9\uac00\ud558\uae30 \uc704\ud55c\n      \uc131\ub2a5\uc9c0\uc218\ub97c \uc815\ub9ac\ud55c\ub2e4.\n    <\/p>\n\n    
    \n      
  • Ripple Factor<\/li>\n      
  • Total Harmonic Distortion<\/li>\n      
  • \ud6a8\uc728 \u03b7<\/li>\n      
  • Power Factor<\/li>\n    <\/ul>\n\n  <\/div>\n\n\n  \n  
    10. Ripple Factor<\/h2>\n\n  
    \n\n    
    \n      Ripple Factor\ub294\n      \ucd9c\ub825\uc758 AC \uc131\ubd84\uacfc DC \uc131\ubd84\uc758 \ube44\ub85c \uae30\ub85d\ub418\uc5b4 \uc788\ub2e4.\n    <\/p>\n\n    
    \n      RF\n      =\n      \u03c8ac<\/sub>\n      \/\n      \u03c8dc<\/sub>\n    <\/div>\n\n    
    \n      \u03c8\ub294 \ud30c\ud615\uc758 \uc2e4\ud6a8\uac12\uacfc \uad00\ub828\ub41c \uae30\ud638\ub85c \uc0ac\uc6a9\ub41c\ub2e4.\n    <\/p>\n\n  <\/div>\n\n\n  \n  
    11. Total Harmonic Distortion<\/h2>\n\n  
    \n\n    
    \n      THD\ub294 \uae30\ubcf8\ud30c \uc131\ubd84\uacfc\n      \uace0\uc870\ud30c \uc131\ubd84\uc744 \ube44\uad50\ud558\ub294 \uc9c0\ud45c\ub85c \uae30\ub85d\ud55c\ub2e4.\n    <\/p>\n\n    
    \n      THD\n      =\n      \u03c8h<\/sub>\n      \/\n      \u03c81<\/sub>\n    <\/div>\n\n    
      \n      
    • \u03c81<\/sub> : \uae30\ubcf8\ud30c \uc2e4\ud6a8\uce58<\/li>\n      
    • \u03c8h<\/sub> : Harmonic \uc131\ubd84<\/li>\n    <\/ul>\n\n    
      \n      \n        THD\uc758 \uc138\ubd80 \uc81c\uacf1\ud569 \ud45c\ud604\uc740\n        \uc6d0\ubcf8 \uc774\ubbf8\uc9c0\uc5d0\uc11c \uba85\ud655\ud558\uac8c \uc801\ud600 \uc788\uc9c0 \uc54a\uc544\n        \uc190\ud544\uae30 \ud615\ud0dc\ub9cc \ubc18\uc601\ud558\uc600\ub2e4.\n      <\/strong>\n    <\/div>\n\n  <\/div>\n\n\n  \n  
      12. \ud6a8\uc728<\/h2>\n\n  
      \n\n    
      \n      \uc804\ub825\ubcc0\ud658 \ud6a8\uc728\uc740\n      \uc785\ub825\uc804\ub825\uacfc \ucd9c\ub825\uc804\ub825\uc758 \ube44\ub85c \uae30\ub85d\ud55c\ub2e4.\n    <\/p>\n\n    
      \n      \u03b7\n      =\n      Po<\/sub>\n      \/\n      Pi<\/sub>\n    <\/div>\n\n  <\/div>\n\n\n  \n  
      13. Power Factor<\/h2>\n\n  
      \n\n    
      \n      Power Factor\ub294\n      \uc6d0\ubcf8\uc5d0\uc11c \ub2e4\uc74c \ud615\ud0dc\ub85c \uae30\ub85d\ud55c\ub2e4.\n    <\/p>\n\n    
      \n      PF\n      =\n      P\n      \/\n      S\n    <\/div>\n\n    
        \n      
      • P : \uc720\ud6a8\uc804\ub825<\/li>\n      
      • S : \ud53c\uc0c1\uc804\ub825<\/li>\n    <\/ul>\n\n  <\/div>\n\n\n  \n  
        14. \uc704\uc0c1\uc81c\uc5b4<\/h2>\n\n  
        \n\n    
        \n      \uc138 \ubc88\uc9f8\uc640 \ub124 \ubc88\uc9f8 \uc774\ubbf8\uc9c0\uc5d0\uc11c\ub294\n      \uacfc\uac70 \uc804\ub825\ubcc0\ud658\uae30\uc758 \uc81c\uc5b4\ubc29\ubc95\uc73c\ub85c\n      \uc704\uc0c1\uc81c\uc5b4\ub97c \uae30\ub85d\ud55c\ub2e4.\n    <\/p>\n\n    
        \n      Phase Control\n      \u2192\n      \ud3c9\uade0 \ucd9c\ub825\uc804\uc555 \uc81c\uc5b4\n    <\/div>\n\n    
        \n      \ucd9c\ub825\ud30c\ud615\uc744 \uc77c\ubd80 \uad6c\uac04\uc5d0\uc11c\ub9cc \ub3c4\ud1b5\uc2dc\ucf1c\n      \ud3c9\uade0\uac12\uc744 \uc870\uc815\ud558\ub294 \ubc29\uc2dd\uc774\ub2e4.\n    <\/p>\n\n  <\/div>\n\n\n  \n  
        15. \uac00\ubcc0\uc800\ud56d\uc5d0 \uc758\ud55c \ucd9c\ub825\uc81c\uc5b4<\/h2>\n\n  
        \n\n    
        \n      \ub124 \ubc88\uc9f8 \uc774\ubbf8\uc9c0\ub294\n      \uba3c\uc800 \uac00\ubcc0\uc800\ud56d\uc73c\ub85c \ucd9c\ub825\uc804\uc555\uc744 \uc870\uc808\ud558\ub294\n      \ub2e8\uc21c\ud55c \ud68c\ub85c\ub97c \uadf8\ub9b0\ub2e4.\n    <\/p>\n\n    
        \n      Vi \u2500\u2500 Rth \u2500\u2500\u252c\u2500\u2500\u2500\u2500 Vo\n                  \u2502\n                  R\n                  \u2502\n                 GND\n    <\/pre>\n\n    
        \n      M\n      =\n      Vo<\/sub>\/Vi<\/sub>\n      =\n      R\/(Rth<\/sub>+R)\n    <\/div>\n\n  <\/div>\n\n\n  \n  
        16. \uac00\ubcc0\uc800\ud56d \uc81c\uc5b4\uc758 \ud6a8\uc728<\/h2>\n\n  
        \n\n    
        \n      \uac19\uc740 \ud68c\ub85c\uc5d0\uc11c \ud6a8\uc728\uc744 \uacc4\uc0b0\ud558\uba74\n      \uc6d0\ubcf8\uc5d0\uc11c\ub294\n    <\/p>\n\n    
        \n      \u03b7\n      =\n      R\/(Rth<\/sub>+R)\n      =\n      M\n    <\/div>\n\n    
        \n      \uc73c\ub85c \uae30\ub85d\ud55c\ub2e4.\n    <\/p>\n\n    
        \n      \n        M\uc744 \uc791\uac8c \ub9cc\ub4e4\uc5b4 \ucd9c\ub825\uc804\uc555\uc744 \ub0ae\ucd94\uba74\n        \ud6a8\uc728 \u03b7\ub3c4 \ud568\uaed8 \uc791\uc544\uc9c0\ub294 \uac83\uc774\n        \uac00\ubcc0\uc800\ud56d \ubc29\uc2dd\uc758 \ubb38\uc81c\uc810\uc73c\ub85c \uae30\ub85d\ub418\uc5b4 \uc788\ub2e4.\n      <\/strong>\n    <\/div>\n\n  <\/div>\n\n\n  \n  
        17. SCR \uc704\uc0c1\uc81c\uc5b4<\/h2>\n\n  
        \n\n    
        \n      \uac00\ubcc0\uc800\ud56d \ubc29\uc2dd\uc758 \ubb38\uc81c\ub97c \ud574\uacb0\ud558\uae30 \uc704\ud55c\n      \uc704\uc0c1\uc81c\uc5b4 \uc18c\uc790\ub85c SCR\uc744 \uae30\ub85d\ud55c\ub2e4.\n    <\/p>\n\n    
        \n      SCR\uc5d0\uc11c\ub294\n      Delay Angle\uacfc Firing Angle\uc744 \uc774\uc6a9\ud574\n      \ub3c4\ud1b5\uc2dc\uc810\uc744 \uacb0\uc815\ud55c\ub2e4.\n    <\/p>\n\n    
        \n      SCR\n      \u2192\n      Delay Angle \/ Firing Angle\n      \u2192\n      Average Output Control\n    <\/div>\n\n  <\/div>\n\n\n  \n  
        18. SCR\uc758 \ud55c\uacc4<\/h2>\n\n  
        \n\n    
        \n      \uc6d0\ubcf8\uc5d0\ub294 SCR\uc740\n      Gate\ub85c Turn-On \uc2dc\uc810\uc740 \uc81c\uc5b4\ud560 \uc218 \uc788\uc9c0\ub9cc,\n      \ub3d9\uc791 \uc911 Turn-Off\ub294 \uc790\uc720\ub86d\uac8c \uc81c\uc5b4\ud558\uae30 \uc5b4\ub835\ub2e4\ub294\n      \uba54\ubaa8\uac00 \uc788\ub2e4.\n    <\/p>\n\n    
        \n      SCR\n      :\n      Turn-On \uc81c\uc5b4 \uac00\ub2a5\n      \/\n      Turn-Off \uc790\uc720\uc81c\uc5b4 \uc5b4\ub824\uc6c0\n    <\/div>\n\n  <\/div>\n\n\n  \n  
        19. Triac<\/h2>\n\n  
        \n\n    
        \n      SCR\uc758 \uc591\ubc29\ud5a5 \ub3d9\uc791\uacfc \uad00\ub828\ud558\uc5ec\n      Triac\uc744 \ud568\uaed8 \uae30\ub85d\ud55c\ub2e4.\n    <\/p>\n\n    
        \n      Triac\n      \u2248\n      \uc5ed\ubcd1\ub82c SCR 2\uac1c\n    <\/div>\n\n    
        \n      AC \uc704\uc0c1\uc81c\uc5b4\uc5d0 \uc774\uc6a9\ud558\ub294 \uad6c\uc870\ub85c \uba54\ubaa8\ub418\uc5b4 \uc788\ub2e4.\n    <\/p>\n\n  <\/div>\n\n\n  \n  
        20. \uc704\uc0c1\uc81c\uc5b4\uc758 Harmonic \ubb38\uc81c<\/h2>\n\n  
        \n\n    
        \n      \uc6d0\ubcf8\uc5d0\uc11c\ub294 \uc704\uc0c1\uc81c\uc5b4\ub97c \uc0ac\uc6a9\ud558\uba74\n      \ucd9c\ub825\ud30c\ud615\uc774 \uc798\ub824\n      Harmonic \ubb38\uc81c\uac00 \ucee4\uc9c4\ub2e4\uace0 \uae30\ub85d\ud55c\ub2e4.\n    <\/p>\n\n    
        \n      Phase Control\n      \u2192\n      Waveform Distortion\n      \u2192\n      Harmonic \uc99d\uac00\n    <\/div>\n\n    
        \n      \uc774\ub97c \uc904\uc774\uae30 \uc704\ud574\n      Filter\uac00 \ub9ce\uc774 \ud544\uc694\ud558\ub2e4\ub294 \uba54\ubaa8\uac00 \uc788\ub2e4.\n    <\/p>\n\n  <\/div>\n\n\n  \n  
        21. PWM \uc81c\uc5b4<\/h2>\n\n  
        \n\n    
        \n      \ub2e4\uc12f \ubc88\uc9f8 \uc774\ubbf8\uc9c0\uc5d0\uc11c\ub294\n      \uc704\uc0c1\uc81c\uc5b4\uc640 \ub2ec\ub9ac PWM\uc744 \uc774\uc6a9\ud558\uc5ec\n      \uc804\uc555\uc744 \uc81c\uc5b4\ud558\ub294 \ubc29\ubc95\uc744 \uae30\ub85d\ud55c\ub2e4.\n    <\/p>\n\n    
        \n      PWM\n      =\n      Pulse Width Modulation\n    <\/div>\n\n    
        \n      \uc0c1\ud0dc 0\uacfc \uc0c1\ud0dc 1\uc744 \ube60\ub974\uac8c \ubc18\ubcf5\ud558\uba74\uc11c\n      Duty Ratio\ub97c \uc870\uc808\ud558\uc5ec\n      \ud3c9\uade0 \ucd9c\ub825\uc804\uc555\uc744 \ub9cc\ub4e0\ub2e4.\n    <\/p>\n\n  <\/div>\n\n\n  \n  
        22. PWM\uc758 Switching State<\/h2>\n\n  
        \n\n    
        \n      PWM\uc5d0\uc11c\ub294 \ub450 Switching State\ub97c \uc0ac\uc6a9\ud55c\ub2e4.\n    <\/p>\n\n    
        \n      State 0\n      \u2194\n      State 1\n    <\/div>\n\n    
        \n      \ub450 \uc0c1\ud0dc\uc5d0 \uba38\ubb34\ub294 \uc2dc\uac04\uc758 \ube44\uc728\uc744\n      Duty Ratio\ub85c \uc870\uc808\ud55c\ub2e4.\n    <\/p>\n\n  <\/div>\n\n\n  \n  
        23. Duty Ratio<\/h2>\n\n  
        \n\n    
        \n      \uc6d0\ubcf8\uc5d0\uc11c\ub294 Duty Ratio\ub97c d\ub85c \ud45c\uc2dc\ud55c\ub2e4.\n    <\/p>\n\n    
        \n      d\n      =\n      Duty Ratio\n    <\/div>\n\n    
        \n      d\ub97c \uc870\uc808\ud558\uc5ec\n      \ud3c9\uade0 \ucd9c\ub825\uc804\uc555\uc744 \ubc14\uafbc\ub2e4.\n    <\/p>\n\n    
        \n      Vo,avg<\/sub>\n      =\n      d\n      \u00b7\n      Vo,adj(max)<\/sub>\n    <\/div>\n\n    
        \n      \n        \uc6b0\ubcc0\uc758 V \ud45c\uae30\ub294 \uc190\ud544\uae30\uc5d0\uc11c\n        ‘V_o,adj(max)’ \ud615\ud0dc\ub85c \uc77d\ud788\ubbc0\ub85c\n        \uc6d0\ubcf8 \uae30\ud638\ub97c \uadf8\ub300\ub85c \ubcf4\uc874\ud558\uc600\ub2e4.\n      <\/strong>\n    <\/div>\n\n  <\/div>\n\n\n  \n  
        24. PWM\uc758 Harmonic<\/h2>\n\n  
        \n\n    
        \n      \ub2e4\uc12f \ubc88\uc9f8 \uc774\ubbf8\uc9c0\ub294\n      PWM \uc804\uc555\uc740 \ubaa8\uc591 \uc790\uccb4\ub294 \ubcf5\uc7a1\ud558\uc9c0\ub9cc\n      \ub192\uc740 \uc8fc\ud30c\uc218 Harmonic\uc774 \ud070 \ubc29\ud5a5\uc73c\ub85c \uc774\ub3d9\ud55c\ub2e4\uace0 \uae30\ub85d\ud55c\ub2e4.\n    <\/p>\n\n    
        \n      PWM\n      \u2192\n      High-Frequency Harmonics\n    <\/div>\n\n    
        \n      \ubd80\ud558 RL\uc740 Low-Pass Filter\ucc98\ub7fc \ub3d9\uc791\ud558\uc5ec\n      \ub192\uc740 \uc8fc\ud30c\uc218 Harmonic\uc744 \uc904\uc774\ub294 \ubc29\ud5a5\uc73c\ub85c \uae30\ub85d\ub418\uc5b4 \uc788\ub2e4.\n    <\/p>\n\n    
        \n      RL Load\n      \u2192\n      LPF \ud2b9\uc131\n      \u2192\n      High-Frequency Harmonic \uac10\uc18c\n    <\/div>\n\n  <\/div>\n\n\n  \n  
        25. \uc704\uc0c1\uc81c\uc5b4\uc640 PWM \ube44\uad50<\/h2>\n\n  
        \n\n    \n\n      \n        \n          \n\n        \n          \n          \n          \n          
        \ud56d\ubaa9<\/th>\n          \uc704\uc0c1\uc81c\uc5b4<\/th>\n          PWM<\/th>\n        <\/tr>\n      <\/thead>\n\n      
        \uc81c\uc5b4\ubc29\ubc95<\/strong><\/td>\n          \ub3c4\ud1b5 \uc2dc\uc791\uac01 \uc870\uc808<\/td>\n          Duty Ratio \uc870\uc808<\/td>\n        <\/tr>\n\n        
        \ub300\ud45c\uc18c\uc790<\/strong><\/td>\n          SCR, Triac<\/td>\n          Switching Device<\/td>\n        <\/tr>\n\n        
        \ucd9c\ub825\uc870\uc808<\/strong><\/td>\n          Firing Angle<\/td>\n          Pulse Width<\/td>\n        <\/tr>\n\n        
        Harmonic<\/strong><\/td>\n          \ud30c\ud615 \uc65c\uace1\uc73c\ub85c Harmonic \ubb38\uc81c \uae30\ub85d<\/td>\n          \ub192\uc740 \uc8fc\ud30c\uc218 Harmonic\uc73c\ub85c \uc774\ub3d9<\/td>\n        <\/tr>\n\n      <\/tbody>\n\n    <\/table>\n\n  <\/div>\n\n\n  \n  
        26. 1\uc7a5\uc758 \uc804\uccb4 \ud750\ub984<\/h2>\n\n  
        \n\n    
        \n                    Power Electronics\n                           \u2502\n                           \u25bc\n               Semiconductor Switching\n                           \u2502\n                           \u25bc\n                   Power Converter\n                           \u2502\n          \u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u253c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n          \u25bc                \u25bc                \u25bc\n       AC\u2192DC             DC\u2192AC           DC\u2192DC \/ AC\u2192AC\n     Rectifier          Inverter\n          \u2502\n          \u25bc\n       DC + Ripple\n          \u2502\n          \u25bc\n      Performance Index\n     RF \/ THD \/ \u03b7 \/ PF\n          \u2502\n          \u25bc\n        Control\n          \u2502\n      \u250c\u2500\u2500\u2500\u2534\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510\n      \u25bc             \u25bc\n Phase Control     PWM\n      \u2502             \u2502\n SCR \/ Triac    Duty Ratio\n      \u2502             \u2502\n      \u25bc             \u25bc\n Harmonic      High-Frequency\n Problem         Harmonic\n                      \u2502\n                      \u25bc\n                   RL Load\n                    LPF\n    <\/pre>\n\n  <\/div>\n\n\n  \n  
        27. \uc774\ubbf8\uc9c0 \ud575\uc2ec \uc815\ub9ac<\/h2>\n\n  
        \n\n    \n\n      \n        \n          \n\n        \n          \n          \n          \n          \n          \n          \n          \n          \n          \n          \n          \n          \n          \n          \n          
        \ud56d\ubaa9<\/th>\n          \uc6d0\ubcf8 \ub0b4\uc6a9<\/th>\n        <\/tr>\n      <\/thead>\n\n      
        Power Electronics<\/strong><\/td>\n          \uc804\ub825\uc6a9 \ubc18\ub3c4\uccb4\ub97c \uc774\uc6a9\ud55c \uc804\ub825\uc5d0\ub108\uc9c0 \ubcc0\ud658\u00b7\uc81c\uc5b4<\/td>\n        <\/tr>\n\n        
        \ud604\ub300 \uc804\ub825\uc804\uc790 \uc2dc\uc791<\/strong><\/td>\n          GE\uc758 SCR<\/td>\n        <\/tr>\n\n        
        DC\u2192DC<\/strong><\/td>\n          Chopper<\/td>\n        <\/tr>\n\n        
        DC\u2192AC<\/strong><\/td>\n          Inverter<\/td>\n        <\/tr>\n\n        
        AC\u2192DC<\/strong><\/td>\n          Rectifier<\/td>\n        <\/tr>\n\n        
        AC\u2192AC<\/strong><\/td>\n          Cycloconverter<\/td>\n        <\/tr>\n\n        
        \uc815\ub958 \ucd9c\ub825<\/strong><\/td>\n          DC + Ripple<\/td>\n        <\/tr>\n\n        
        Ripple Factor<\/strong><\/td>\n          RF = \u03c8ac\/\u03c8dc<\/td>\n        <\/tr>\n\n        
        THD<\/strong><\/td>\n          \uace0\uc870\ud30c \uc131\ubd84 \/ \uae30\ubcf8\ud30c \uc131\ubd84<\/td>\n        <\/tr>\n\n        
        \ud6a8\uc728<\/strong><\/td>\n          \u03b7 = Po\/Pi<\/td>\n        <\/tr>\n\n        
        Power Factor<\/strong><\/td>\n          PF = P\/S<\/td>\n        <\/tr>\n\n        
        \uc800\ud56d\uc81c\uc5b4<\/strong><\/td>\n          M \uac10\uc18c \uc2dc \u03b7\ub3c4 \uac10\uc18c<\/td>\n        <\/tr>\n\n        
        \uc704\uc0c1\uc81c\uc5b4<\/strong><\/td>\n          SCR\/Triac, Firing Angle \uc81c\uc5b4<\/td>\n        <\/tr>\n\n        
        PWM<\/strong><\/td>\n          State 0\/1 Switching + Duty Ratio<\/td>\n        <\/tr>\n\n        
        PWM \ubd80\ud558<\/strong><\/td>\n          RL\uc774 LPF\ucc98\ub7fc \uace0\uc8fc\ud30c Harmonic \uac10\uc18c<\/td>\n        <\/tr>\n\n      <\/tbody>\n\n    <\/table>\n\n  <\/div>\n\n\n  \n  
        \n    \n      \uc774 HTML\uc740 WordPress \ud398\uc774\uc9c0 \ubcf8\ubb38\uc744 \uc0ac\uc6a9\ud558\uc9c0 \uc54a\uace0,\n      \ud398\uc774\uc9c0\uc5d0 \ud3ec\ud568\ub41c \uc77c\ubc18 \uc774\ubbf8\uc9c0 5\uc7a5\ub9cc\n      \uc2dc\uac01 \ud310\ub3c5\ud558\uc5ec \uc791\uc131\ud588\ub2e4.\n\n      \uc774 \ud398\uc774\uc9c0\uc5d0\ub294 NeoStudio PDF\uac00 \uc5c6\ub2e4.\n\n      1\ubc88\uc9f8 \uc774\ubbf8\uc9c0\ub294\n      \uc804\ub825\uc804\uc790\uacf5\ud559\uc758 \uc815\uc758,\n      SCR,\n      DC\/DC \u00b7 DC\/AC \u00b7 AC\/DC \u00b7 AC\/AC\n      \uc804\ub825\ubcc0\ud658 \uc885\ub958\ub97c \uae30\ub85d\ud55c\ub2e4.\n\n      2\ubc88\uc9f8 \uc774\ubbf8\uc9c0\ub294\n      \uc774\uc0c1\uc801\uc778 Switch S1~S5\ub97c \uc0ac\uc6a9\ud558\ub294\n      \uac00\uc0c1 Power Converter\uc640\n      \uc815\ub958\ub3d9\uc791,\n      DC + Ripple \ucd9c\ub825\uc744 \uc815\ub9ac\ud55c\ub2e4.\n\n      3\ubc88\uc9f8 \uc774\ubbf8\uc9c0\ub294\n      Ripple Factor,\n      THD,\n      \ud6a8\uc728 \u03b7,\n      Power Factor\uc640\n      \uc704\uc0c1\uc81c\uc5b4 \uac1c\ub150\uc744 \uae30\ub85d\ud55c\ub2e4.\n\n      4\ubc88\uc9f8 \uc774\ubbf8\uc9c0\ub294\n      \uac00\ubcc0\uc800\ud56d \uc81c\uc5b4\uc758\n      M=Vo\/Vi=R\/(Rth+R),\n      \u03b7=M \uad00\uacc4\uc640 \ubb38\uc81c\uc810\uc744 \uc124\uba85\ud558\uace0,\n      SCR Delay\/Firing Angle,\n      Triac,\n      Harmonic \ubb38\uc81c\ub85c \uc5f0\uacb0\ud55c\ub2e4.\n\n      5\ubc88\uc9f8 \uc774\ubbf8\uc9c0\ub294\n      PWM\uc758 State 0\/1 Switching,\n      Duty Ratio,\n      \ud3c9\uade0 \ucd9c\ub825\uc804\uc555 \uc81c\uc5b4,\n      RL \ubd80\ud558\uc758 LPF \ud2b9\uc131\uc744 \uae30\ub85d\ud55c\ub2e4.\n\n      Buck\/Boost Converter,\n      SPWM,\n      SVPWM,\n      IGBT\/MOSFET,\n      SCR \uc815\ub958\uae30\uc758 \uc138\ubd80 \ud3c9\uade0\uc804\uc555 \uacf5\uc2dd \ub4f1\uc740\n      \uc774\ubc88 \uc774\ubbf8\uc9c0\uc5d0 \uc9c1\uc811 \uc804\uac1c\ub418\uc5b4 \uc788\uc9c0 \uc54a\uc73c\ubbc0\ub85c\n      \ucd94\uac00\ud558\uc9c0 \uc54a\uc558\ub2e4.\n\n      \uc77c\ubd80 Switch State\uc640 THD,\n      PWM \ud3c9\uade0\uc804\uc555\uc758 \uc138\ubd80 \uae30\ud638\ub294\n      \uc190\ud544\uae30\uac00 \uba85\ud655\ud558\uc9c0 \uc54a\uc544\n      \uc678\ubd80 \uc804\ub825\uc804\uc790 \uc774\ub860\uc73c\ub85c \uc784\uc758 \ubcf4\uc815\ud558\uc9c0 \uc54a\uc558\ub2e4.\n    <\/strong>\n  <\/div>\n\n\n  \n  
        \n    Power Electronics,\n    Power Converter,\n    SCR,\n    Triac,\n    Chopper,\n    Inverter,\n    Rectifier,\n    Cycloconverter,\n    Ripple Factor,\n    THD,\n    Efficiency,\n    Power Factor,\n    Phase Control,\n    Firing Angle,\n    PWM,\n    Duty Ratio,\n    Harmonic\n  <\/div>\n\n<\/div>\n“`\n","protected":false},"excerpt":{"rendered":"
        “`html \ud604\ub300\uc804\ub825\uc804\uc790\uacf5\ud559 1\uc7a5 Power Electronics \u00b7 Power Converter \u00b7 Rectifier \u00b7 Inverter \u00b7 AC Converter \u00b7 RF \u00b7 THD \u00b7 PF \u00b7 Phase Control \u00b7 PWM 1. \uc804\ub825\uc804\uc790\uacf5\ud559 \uccab \ubc88\uc9f8 \uc774\ubbf8\uc9c0\uc5d0\uc11c\ub294 \uc804\ub825\uc804\uc790\ub97c \uc804\ub825\uc6a9 \ubc18\ub3c4\uccb4 \uc18c\uc790\ub97c \ubc14\ud0d5\uc73c\ub85c \uc804\ub825\ubcc0\ud658\uae30\ub97c \uc774\uc6a9\ud558\uc5ec \uc804\uae30\uc5d0\ub108\uc9c0\ub97c \ubcc0\ud658\u00b7\uc81c\uc5b4\ud558\ub294 \uae30\uc220\ub85c \uae30\ub85d\ud55c\ub2e4. Power Electronics = \uc804\ub825\uc6a9 \ubc18\ub3c4\uccb4 \uc18c\uc790 + Power Converter + \uc804\uae30\uc5d0\ub108\uc9c0 \ubcc0\ud658\u00b7\uc81c\uc5b4 \ud604\ub300 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[1185],"tags":[1774,1870,1871,1872,1869],"class_list":["post-8399","post","type-post","status-publish","format-standard","hentry","category-1185","tag-pwm","tag-scr","tag-triac","tag-1872","tag-1869"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/posts\/8399","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/comments?post=8399"}],"version-history":[{"count":2,"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/posts\/8399\/revisions"}],"predecessor-version":[{"id":9718,"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/posts\/8399\/revisions\/9718"}],"wp:attachment":[{"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/media?parent=8399"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/categories?post=8399"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/now0930.pe.kr\/wordpress\/wp-json\/wp\/v2\/tags?post=8399"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}