{"id":208991,"date":"2024-03-21T14:05:17","date_gmt":"2024-03-21T14:05:17","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/%e8%a4%87%e7%b4%a0%e3%82%a4%e3%83%b3%e3%83%94%e3%83%bc%e3%83%80%e3%83%b3%e3%82%b9-%e8%a7%a3%e8%aa%ac%e3%81%a8%e8%a8%88%e7%ae%97%e6%96%b9%e6%b3%95\/"},"modified":"2024-05-17T15:05:19","modified_gmt":"2024-05-17T15:05:19","slug":"%e8%a4%87%e7%b4%a0%e3%82%a4%e3%83%b3%e3%83%94%e3%83%bc%e3%83%80%e3%83%b3%e3%82%b9-%e8%a7%a3%e8%aa%ac%e3%81%a8%e8%a8%88%e7%ae%97%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/ja\/%e8%a4%87%e7%b4%a0%e3%82%a4%e3%83%b3%e3%83%94%e3%83%bc%e3%83%80%e3%83%b3%e3%82%b9-%e8%a7%a3%e8%aa%ac%e3%81%a8%e8%a8%88%e7%ae%97%e6%96%b9%e6%b3%95\/","title":{"rendered":"\u8907\u7d20\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9 | \u89e3\u8aac\u3068\u8a08\u7b97\u65b9\u6cd5"},"content":{"rendered":"<p class=\"sidekick\">\u8907\u7d20\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u306e\u7406\u8ad6\u3068\u8a08\u7b97\u65b9\u6cd5\u3092\u8a73\u3057\u304f\u89e3\u8aac\u3002\u4ea4\u6d41\u56de\u8def\u306e\u62b5\u6297\u3001\u30ea\u30a2\u30af\u30bf\u30f3\u30b9\u3001\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u306e\u95a2\u4fc2\u6027\u3092\u7406\u89e3\u3059\u308b\u305f\u3081\u306b\u5fc5\u8aad\u306e\u8a18\u4e8b\u3002<\/p>\n<h2>\u8907\u7d20\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9 | \u89e3\u8aac\u3068\u8a08\u7b97\u65b9\u6cd5<\/h2>\n<p>\u8907\u7d20\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u306f\u3001\u4ea4\u6d41\u56de\u8def\u3092\u89e3\u6790\u3059\u308b\u969b\u306b\u975e\u5e38\u306b\u91cd\u8981\u306a\u6982\u5ff5\u3067\u3059\u3002\u62b5\u6297 (R)\u3001\u30ea\u30a2\u30af\u30bf\u30f3\u30b9 (X)\u3001\u304a\u3088\u3073\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9 (Z) \u306e\u95a2\u4fc2\u6027\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u306b\u3088\u308a\u3001\u4ea4\u6d41\u56de\u8def\u306e\u7279\u6027\u3092\u52b9\u7387\u7684\u306b\u628a\u63e1\u3067\u304d\u307e\u3059\u3002\u672c\u8a18\u4e8b\u3067\u306f\u3001\u8907\u7d20\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3001\u305d\u306e\u8a08\u7b97\u65b9\u6cd5\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<h2>\u8907\u7d20\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u3068\u306f\uff1f<\/h2>\n<p>\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9 (Z) \u306f\u3001\u4ea4\u6d41\uff08AC\uff09\u56de\u8def\u306b\u304a\u3051\u308b\u96fb\u6d41\u306e\u9032\u884c\u3092\u59a8\u3052\u308b\u52b9\u679c\u3092\u8868\u3059\u91cf\u3067\u3059\u3002\u76f4\u6d41\uff08DC\uff09\u56de\u8def\u3067\u306f\u3001\u62b5\u6297 (R) \u306e\u307f\u304c\u96fb\u6d41\u306e\u9032\u884c\u3092\u59a8\u3052\u307e\u3059\u304c\u3001\u4ea4\u6d41\u56de\u8def\u3067\u306f\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u304c\u62b5\u6297\u3060\u3051\u3067\u306a\u304f\u3001\u30ea\u30a2\u30af\u30bf\u30f3\u30b9 (X) \u3092\u3082\u542b\u307f\u307e\u3059\u3002<\/p>\n<p>\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u306f\u8907\u7d20\u6570\u3067\u8868\u73fe\u3055\u308c\u3001\u6b21\u306e\u3088\u3046\u306b\u8a18\u8ff0\u3055\u308c\u307e\u3059\uff1a<\/p>\n<p>\\( Z = R + jX \\)<\/p>\n<p>\u3053\u3053\u3067\u3001\\( j \\) \u306f\u865a\u6570\u5358\u4f4d\u3067\u3001-1 \u306e\u5e73\u65b9\u6839\u3092\u8868\u3057\u307e\u3059\u3002<\/p>\n<h2>\u30ea\u30a2\u30af\u30bf\u30f3\u30b9\u3068\u306f\uff1f<\/h2>\n<p>\u30ea\u30a2\u30af\u30bf\u30f3\u30b9 (X) \u306f\u3001\u4ea4\u6d41\u56de\u8def\u306b\u304a\u3051\u308b\u30b3\u30a4\u30eb\uff08\u30a4\u30f3\u30c0\u30af\u30bf\u30f3\u30b9\uff09\u304a\u3088\u3073\u30b3\u30f3\u30c7\u30f3\u30b5\uff08\u5bb9\u91cf\uff09\u306b\u8d77\u56e0\u3059\u308b\u53cd\u5fdc\u3092\u793a\u3057\u307e\u3059\u3002\u30ea\u30a2\u30af\u30bf\u30f3\u30b9\u306b\u306f\u4e8c\u3064\u306e\u30bf\u30a4\u30d7\u304c\u3042\u308a\u307e\u3059\uff1a<\/p>\n<ul>\n<li><strong>\u30a4\u30f3\u30c0\u30af\u30c6\u30a3\u30d6\u30ea\u30a2\u30af\u30bf\u30f3\u30b9 (\\( X_L \\))\uff1a<\/strong> \u30b3\u30a4\u30eb\u306b\u3088\u308b\u5f71\u97ff\u3002\u5468\u6ce2\u6570 (\\( f \\)) \u304c\u9ad8\u3044\u307b\u3069\u5927\u304d\u304f\u306a\u308a\u307e\u3059\u3002<\/li>\n<li><strong>\u30ad\u30e3\u30d1\u30b7\u30c6\u30a3\u30d6\u30ea\u30a2\u30af\u30bf\u30f3\u30b9 (\\( X_C \\))\uff1a<\/strong> \u30b3\u30f3\u30c7\u30f3\u30b5\u306b\u3088\u308b\u5f71\u97ff\u3002\u5468\u6ce2\u6570\u304c\u9ad8\u3044\u307b\u3069\u5c0f\u3055\u304f\u306a\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n<h2>\u30a4\u30f3\u30c0\u30af\u30c6\u30a3\u30d6\u30ea\u30a2\u30af\u30bf\u30f3\u30b9\u306e\u8a08\u7b97\u65b9\u6cd5<\/h2>\n<p>\u30a4\u30f3\u30c0\u30af\u30c6\u30a3\u30d6\u30ea\u30a2\u30af\u30bf\u30f3\u30b9 \\( X_L \\) \u306f\u6b21\u306e\u5f0f\u3067\u6c42\u3081\u3089\u308c\u307e\u3059\uff1a<\/p>\n<p>\\( X_L = 2 \\pi f L \\)<\/p>\n<p>\u3053\u3053\u3067\u3001<\/p>\n<ul>\n<li>\\( f \\)\uff1a\u5468\u6ce2\u6570 (Hz)<\/li>\n<li>\\( L \\)\uff1a\u30a4\u30f3\u30c0\u30af\u30bf\u30f3\u30b9 (H)<\/li>\n<\/ul>\n<h2>\u30ad\u30e3\u30d1\u30b7\u30c6\u30a3\u30d6\u30ea\u30a2\u30af\u30bf\u30f3\u30b9\u306e\u8a08\u7b97\u65b9\u6cd5<\/h2>\n<p>\u30ad\u30e3\u30d1\u30b7\u30c6\u30a3\u30d6\u30ea\u30a2\u30af\u30bf\u30f3\u30b9 \\( X_C \\) \u306f\u6b21\u306e\u5f0f\u3067\u6c42\u3081\u3089\u308c\u307e\u3059\uff1a<\/p>\n<p>\\( X_C = \\frac{1}{2 \\pi f C} \\)<\/p>\n<p>\u3053\u3053\u3067\u3001<\/p>\n<ul>\n<li>\\( f \\)\uff1a\u5468\u6ce2\u6570 (Hz)<\/li>\n<li>\\( C \\)\uff1a\u5bb9\u91cf (F)<\/li>\n<\/ul>\n<h2>\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u306e\u5408\u6210<\/h2>\n<p>\u76f4\u5217\u56de\u8def\u304a\u3088\u3073\u4e26\u5217\u56de\u8def\u306b\u304a\u3044\u3066\u3001\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u306e\u5408\u6210\u65b9\u6cd5\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n<h3>\u76f4\u5217\u56de\u8def<\/h3>\n<p>\u76f4\u5217\u56de\u8def\u3067\u306f\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u306f\u5358\u7d14\u306b\u8db3\u3057\u5408\u308f\u305b\u307e\u3059\uff1a<\/p>\n<p>\\( Z_{\\text{\u7dcf}} = Z_1 + Z_2 + \\cdots + Z_n \\)<\/p>\n<h3>\u4e26\u5217\u56de\u8def<\/h3>\n<p>\u4e26\u5217\u56de\u8def\u3067\u306f\u3001\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u306e\u9006\u6570\u306e\u5408\u6210\u306b\u306a\u308a\u307e\u3059\uff1a<\/p>\n<p>\\( \\frac{1}{Z_{\\text{\u7dcf}}} = \\frac{1}{Z_1} + \\frac{1}{Z_2} + \\cdots + \\frac{1}{Z_n} \\)<\/p>\n<h2>\u4f8b\u984c<\/h2>\n<p>\u4f8b\u3068\u3057\u3066\u3001\u62b5\u6297 \\( R = 10 \\, \\Omega \\)\u3001\u30a4\u30f3\u30c0\u30af\u30bf\u30f3\u30b9 \\( L = 0.01 \\, H \\)\u3001\u5468\u6ce2\u6570 \\( f = 50 \\, Hz \\) \u306e\u56de\u8def\u3092\u8003\u3048\u307e\u3059\u3002<\/p>\n<p>\u30a4\u30f3\u30c0\u30af\u30c6\u30a3\u30d6\u30ea\u30a2\u30af\u30bf\u30f3\u30b9 \\( X_L \\) \u3092\u8a08\u7b97\u3057\u307e\u3059\uff1a<\/p>\n<p>\\( X_L = 2 \\pi f L = 2 \\pi \\times 50 \\times 0.01 = 3.14 \\, \\Omega \\)<\/p>\n<p>\u8907\u7d20\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\uff1a<\/p>\n<p>\\( Z = R + jX_L = 10 + j3.14 \\, \\Omega \\)<\/p>\n<h2>\u307e\u3068\u3081<\/h2>\n<p>\u8907\u7d20\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u306f\u3001\u62b5\u6297\u3068\u30ea\u30a2\u30af\u30bf\u30f3\u30b9\u3092\u7d44\u307f\u5408\u308f\u305b\u305f\u4ea4\u6d41\u56de\u8def\u306e\u91cd\u8981\u306a\u7279\u6027\u3067\u3059\u3002\u305d\u306e\u8a08\u7b97\u65b9\u6cd5\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u3067\u3001\u56de\u8def\u306e\u8a2d\u8a08\u3084\u89e3\u6790\u304c\u5bb9\u6613\u306b\u306a\u308a\u307e\u3059\u3002\u57fa\u790e\u7684\u306a\u4f8b\u984c\u3092\u901a\u3058\u3066\u3001\u8907\u7d20\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u306e\u57fa\u672c\u7684\u306a\u6982\u5ff5\u3068\u8a08\u7b97\u65b9\u6cd5\u306b\u3064\u3044\u3066\u7406\u89e3\u3092\u6df1\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8907\u7d20\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u306e\u7406\u8ad6\u3068\u8a08\u7b97\u65b9\u6cd5\u3092\u8a73\u3057\u304f\u89e3\u8aac\u3002\u4ea4\u6d41\u56de\u8def\u306e\u62b5\u6297\u3001\u30ea\u30a2\u30af\u30bf\u30f3\u30b9\u3001\u30a4\u30f3\u30d4\u30fc\u30c0\u30f3\u30b9\u306e\u95a2\u4fc2\u6027\u3092\u7406\u89e3\u3059\u308b\u305f\u3081\u306b\u5fc5\u8aad\u306e\u8a18\u4e8b\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","footnotes":""},"categories":[96],"tags":[97],"class_list":["post-208991","post","type-post","status-publish","format-standard","hentry","category-96","tag-97","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"yoast_head":"<!-- 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