{"id":169486,"date":"2024-04-27T17:07:57","date_gmt":"2024-04-27T17:07:57","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/%e3%83%a2%e3%83%bc%e3%82%bf%e3%83%bc%e9%9b%bb%e5%8a%9b%e5%9b%a0%e6%95%b0%e8%a3%9c%e6%ad%a3%e7%94%a8%e3%82%b3%e3%83%b3%e3%83%87%e3%83%b3%e3%82%b5%e3%83%bc\/"},"modified":"2024-05-11T16:31:59","modified_gmt":"2024-05-11T16:31:59","slug":"%e3%83%a2%e3%83%bc%e3%82%bf%e3%83%bc%e9%9b%bb%e5%8a%9b%e5%9b%a0%e6%95%b0%e8%a3%9c%e6%ad%a3%e7%94%a8%e3%82%b3%e3%83%b3%e3%83%87%e3%83%b3%e3%82%b5%e3%83%bc","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/ja\/%e3%83%a2%e3%83%bc%e3%82%bf%e3%83%bc%e9%9b%bb%e5%8a%9b%e5%9b%a0%e6%95%b0%e8%a3%9c%e6%ad%a3%e7%94%a8%e3%82%b3%e3%83%b3%e3%83%87%e3%83%b3%e3%82%b5%e3%83%bc\/","title":{"rendered":"\u30e2\u30fc\u30bf\u30fc\u96fb\u529b\u56e0\u6570\u88dc\u6b63\u7528\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc"},"content":{"rendered":"<p class=\"sidekick\">\u30e2\u30fc\u30bf\u30fc\u306e\u96fb\u529b\u56e0\u6570\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3001\u52b9\u7387\u7684\u306a\u30a8\u30cd\u30eb\u30ae\u30fc\u5229\u7528\u306e\u305f\u3081\u306e\u96fb\u529b\u56e0\u6570\u88dc\u6b63\u306e\u91cd\u8981\u6027\u3068\u65b9\u6cd5\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.electricity-magnetism.org\/wp-content\/uploads\/2024\/05\/\u30e2\u30fc\u30bf\u30fc\u96fb\u529b\u56e0\u6570\u88dc\u6b63\u7528\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc.png\" alt=\"\u30e2\u30fc\u30bf\u30fc\u96fb\u529b\u56e0\u6570\u88dc\u6b63\u7528\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc\"\/><\/p>\n<h2>\u30e2\u30fc\u30bf\u30fc\u306e\u96fb\u529b\u56e0\u6570\u3068\u306f<\/h2>\n<p>\u30e2\u30fc\u30bf\u30fc\u3092\u7406\u89e3\u3059\u308b\u306b\u306f\u3001\u96fb\u6c17\u30a8\u30cd\u30eb\u30ae\u30fc\u3068\u305d\u306e\u52d5\u4f5c\u539f\u7406\u3092\u7406\u89e3\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u96fb\u529b\u56e0\u6570\u306f\u3001\u30e2\u30fc\u30bf\u30fc\u304c\u6d88\u8cbb\u3059\u308b\u96fb\u529b\u306e\u52b9\u7387\u3092\u793a\u3059\u5c3a\u5ea6\u3067\u3059\u3002\u3053\u308c\u306f\u3001\u4f9b\u7d66\u3055\u308c\u305f\u96fb\u529b\u306e\u3046\u3061\u3069\u308c\u3060\u3051\u304c\u6709\u52b9\u306b\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u304b\u3092\u8868\u3059\u6570\u5024\u3067\u3001\u5b9f\u52b9\u96fb\u529b\uff08P\u3001\u5358\u4f4d\u306f\u30ef\u30c3\u30c8\uff09\u3068\u76ae\u76f8\u96fb\u529b\uff08S\u3001\u5358\u4f4d\u306f\u30dc\u30eb\u30c8\u30a2\u30f3\u30da\u30a2\uff09\u306e\u6bd4\u7387\u3067\u5b9a\u7fa9\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u96fb\u529b\u56e0\u6570\uff08PF\uff09\u306f\u4ee5\u4e0b\u306e\u5f0f\u3067\u8a08\u7b97\u3067\u304d\u307e\u3059\uff1a<\/p>\n<p>\\[ PF = \\frac{P}{S} = \\frac{\u5b9f\u52b9\u96fb\u529b}{\u76ae\u76f8\u96fb\u529b} \\]<\/p>\n<p>\u7406\u60f3\u7684\u306b\u306f\u96fb\u529b\u56e0\u6570\u306f1\u306b\u8fd1\u3044\u65b9\u304c\u826f\u3044\u3067\u3059\u304c\u3001\u591a\u304f\u306e\u30e2\u30fc\u30bf\u30fc\u306f\u96fb\u529b\u56e0\u6570\u304c\u4f4e\u304f\u3001\u30a4\u30f3\u30c0\u30af\u30c6\u30a3\u30d6\u8ca0\u8377\u306e\u6027\u8cea\u4e0a\u3001\u96fb\u6d41\u3068\u96fb\u5727\u306e\u9593\u306b\u4f4d\u76f8\u5dee\u304c\u751f\u3058\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5185\u3067\u7121\u99c4\u306a\u30a8\u30cd\u30eb\u30ae\u30fc\u304c\u6d88\u8cbb\u3055\u308c\u3001\u3055\u307e\u3056\u307e\u306a\u6280\u8853\u7684\u306a\u554f\u984c\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h2>\u96fb\u529b\u56e0\u6570\u88dc\u6b63\u3068\u305d\u306e\u52b9\u679c<\/h2>\n<p>\u4f4e\u3044\u96fb\u529b\u56e0\u6570\u3092\u6539\u5584\u3059\u308b\u305f\u3081\u306b\u3001\u96fb\u529b\u56e0\u6570\u88dc\u6b63\u304c\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u901a\u5e38\u3001\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc\u3092\u30e2\u30fc\u30bf\u30fc\u306e\u96fb\u6c17\u56de\u8def\u306b\u8ffd\u52a0\u3059\u308b\u3053\u3068\u3067\u884c\u308f\u308c\u307e\u3059\u3002\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc\u306f\u3001\u30e2\u30fc\u30bf\u30fc\u306e\u8d77\u52d5\u6642\u306b\u30ea\u30a2\u30af\u30c6\u30a3\u30d6\u96fb\u529b\u3092\u4f9b\u7d66\u3057\u3001\u30a4\u30f3\u30c0\u30af\u30c6\u30a3\u30d6\u8ca0\u8377\u306b\u3088\u3063\u3066\u5f15\u304d\u8d77\u3053\u3055\u308c\u308b\u9045\u308c\u3092\u88dc\u6b63\u3057\u307e\u3059\u3002<\/p>\n<p>\u96fb\u529b\u56e0\u6570\u88dc\u6b63\u3092\u884c\u3046\u3053\u3068\u3067\u3001\u4ee5\u4e0b\u306e\u5229\u70b9\u304c\u3042\u308a\u307e\u3059\uff1a<\/p>\n<ul>\n<li>\u96fb\u529b\u640d\u5931\u306e\u4f4e\u6e1b<\/li>\n<li>\u96fb\u5727\u30ec\u30d9\u30eb\u306e\u6539\u5584<\/li>\n<li>\u914d\u96fb\u30b7\u30b9\u30c6\u30e0\u306e\u5bb9\u91cf\u5897\u5927<\/li>\n<li>\u96fb\u6c17\u8a2d\u5099\u306e\u5bff\u547d\u5ef6\u9577<\/li>\n<li>\u96fb\u6c17\u6599\u91d1\u306e\u7bc0\u7d04<\/li>\n<\/ul>\n<h2>\u30e2\u30fc\u30bf\u30fc\u96fb\u529b\u56e0\u6570\u88dc\u6b63\u7528\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc\u306e\u9078\u5b9a<\/h2>\n<p>\u30e2\u30fc\u30bf\u30fc\u306e\u96fb\u529b\u56e0\u6570\u3092\u88dc\u6b63\u3059\u308b\u305f\u3081\u306e\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc\u3092\u9078\u5b9a\u3059\u308b\u969b\u3001\u3044\u304f\u3064\u304b\u306e\u91cd\u8981\u306a\u8981\u56e0\u3092\u8003\u616e\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\uff1a<\/p>\n<ol>\n<li>\u30e2\u30fc\u30bf\u30fc\u306e\u7a2e\u985e\u3068\u30b5\u30a4\u30ba<\/li>\n<li>\u904b\u8ee2\u3059\u308b\u96fb\u5727\u3068\u96fb\u6d41<\/li>\n<li>\u7a3c\u50cd\u6642\u9593<\/li>\n<li>\u65e2\u5b58\u306e\u96fb\u529b\u56e0\u6570<\/li>\n<\/ol>\n<p>\u3053\u308c\u3089\u306e\u60c5\u5831\u3092\u57fa\u306b\u3001\u5fc5\u8981\u306a\u88dc\u6b63\u5bb9\u91cf\u3092\u6c42\u3081\u308b\u3053\u3068\u304c\u51fa\u6765\u307e\u3059\u3002\u305d\u3057\u3066\u3001\u9069\u5207\u306a\u30b3\u30f3\u30c7\u30f3\u30b5\u30fc\u3092\u9078\u3073\u307e\u3059\u3002\u5bb9\u91cf\u306f\u30dc\u30eb\u30c8\u30a2\u30f3\u30da\u30a2\u30ea\u30a2\u30af\u30c6\u30a3\u30d6\uff08VAR\uff09\u3067\u8868\u3055\u308c\u3001\u5f0f\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\uff1a<\/p>\n<p>\\[ \u5fc5\u8981\u306a\u88dc\u6b63\u5bb9\u91cf(VAR) = \u73fe\u5728\u306e\u96fb\u529b\u56e0\u6570\u3068\u76ee\u6a19\u3068\u3059\u308b\u96fb\u529b\u56e0\u6570\u306e\u9055\u3044 \u00d7 \u73fe\u5728\u306e\u76ae\u76f8\u96fb\u529b(S) \\]<\/p>\n<h2>\u307e\u3068\u3081<\/h2>\n<p>\u30e2\u30fc\u30bf\u30fc\u306e\u96fb\u529b\u56e0\u6570\u3092\u6b63\u78ba\u306b\u8a08\u6e08\u307f\u3001\u9069\u5207\u306a\u88dc\u6b63\u63aa\u7f6e\u3092\u8b1b\u3058\u308b\u3053\u3068\u3067\u3001\u30a8\u30cd\u30eb\u30ae\u30fc\u52b9\u7387\u3092\u5411\u4e0a\u3055\u305b\u3001\u8cbb\u7528\u3092\u524a\u6e1b\u3057\u3001\u8a2d\u5099\u306e\u7a3c\u50cd\u72b6\u614b\u3092\u6700\u9069\u5316\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u96fb\u529b\u56e0\u6570\u88dc\u6b63\u306f\u3001\u6301\u7d9a\u53ef\u80fd\u306a\u30a8\u30cd\u30eb\u30ae\u30fc\u5229\u7528\u306e\u89b3\u70b9\u304b\u3089\u3082\u975e\u5e38\u306b\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u30e2\u30fc\u30bf\u30fc\u306e\u96fb\u529b\u56e0\u6570\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3001\u52b9\u7387\u7684\u306a\u30a8\u30cd\u30eb\u30ae\u30fc\u5229\u7528\u306e\u305f\u3081\u306e\u96fb\u529b\u56e0\u6570\u88dc\u6b63\u306e\u91cd\u8981\u6027\u3068\u65b9\u6cd5\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n","protected":false},"author":1,"featured_media":207990,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","footnotes":""},"categories":[90],"tags":[91],"class_list":["post-169486","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-90","tag-91","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"yoast_head":"<!-- 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