[{"@context":"http:\/\/schema.org\/","@type":"BlogPosting","@id":"https:\/\/wiki.edu.vn\/jp\/wiki27\/archives\/109933#BlogPosting","mainEntityOfPage":"https:\/\/wiki.edu.vn\/jp\/wiki27\/archives\/109933","headline":"\u30dc\u30eb\u30c8\u30a2\u30f3\u30da\u30a2 – Wikipedia","name":"\u30dc\u30eb\u30c8\u30a2\u30f3\u30da\u30a2 – Wikipedia","description":"\u30dc\u30eb\u30c8\u30a2\u30f3\u30da\u30a2\uff08\u82f1: Volt-ampere\u3001VA\uff09\u3068\u306f\u3001\u76ae\u76f8\u96fb\u529b\u3092\u3042\u3089\u308f\u3059\u5358\u4f4d\u3067\u3042\u308b\u3002 \u96fb\u529b\u3092\u3042\u3089\u308f\u3059\u5358\u4f4d\u3068\u3057\u3066\u306f\u3001\u4ea4\u6d41\u3001\u76f4\u6d41\u5171\u306b\u30ef\u30c3\u30c8 (W) \u3067\u3042\u308b\u3002\u76f4\u6d41\u306b\u304a\u3044\u3066\u96fb\u529bP\u306f P=|v||i|{displaystyle P=|v||i|} \u306b\u3088\u3063\u3066\u6c42\u3081\u3089\u308c\u308b\u305f\u3081\u3001\u96fb\u529b\u306e\u5358\u4f4d\u3067\u3042\u308b\u30ef\u30c3\u30c8\u3068\u96fb\u5727\u306e\u5358\u4f4d\u30dc\u30eb\u30c8\u3068\u96fb\u6d41\u306e\u5358\u4f4d\u30a2\u30f3\u30da\u30a2\u306e\u7a4d\u3067\u3042\u308b\u30dc\u30eb\u30c8\u30a2\u30f3\u30da\u30a2\u306f\u540c\u3058\u3082\u306e\u3067\u3042\u308b\u3002 \u4ea4\u6d41\u3067\u306f\u96fb\u5727\u3001\u96fb\u6d41\u306e\u77ac\u6642\u5024\u304c\u5171\u306b\u5e38\u306b\u5909\u52d5\u3059\u308b\u305f\u3081\u3001\u5b9f\u52b9\u5024\u306b\u3088\u3063\u3066\u8868\u73fe\u3059\u308b\u3002\u8ca0\u8377\u304c\u5358\u7d14\u306a\u96fb\u6c17\u62b5\u6297\u3067\u3042\u308b\u5834\u5408\u3001\u96fb\u5727\u306e\u5b9f\u52b9\u5024\u3068\u96fb\u6d41\u306e\u5b9f\u52b9\u5024\u306e\u7a4d\u306f\u96fb\u529b\u3068\u7b49\u3057\u304f\u306a\u308b\u3088\u3046\u306b\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u308b\u3002 \u3057\u304b\u3057\u3001\u8a98\u5c0e\u8ca0\u8377\u3084\u5bb9\u91cf\u8ca0\u8377\u3067\u306f\u4f4d\u76f8\u306b\u5dee\u304c\u3067\u304d\u3066\u3057\u307e\u3046\u3002\u3053\u306e\u3068\u304d\u3001\u96fb\u5727\u306e\u5b9f\u52b9\u5024\u3068\u96fb\u6d41\u306e\u5b9f\u52b9\u5024\u306e\u7a4d\u306f\u8ca0\u8377\u306e\u6709\u52b9\u96fb\u529b\uff08\u6d88\u8cbb\u96fb\u529b\uff09\u3068\u306f\u7570\u306a\u308b\u5024\u3068\u306a\u308b\u3002\u96fb\u5727\u306e\u5b9f\u52b9\u5024\u3068\u96fb\u6d41\u306e\u5b9f\u52b9\u5024\u306e\u7a4d\u3092\u76ae\u76f8\u96fb\u529b S \u3068\u547c\u3076\u3002 S=|V||I|{displaystyle S=|V||I|} V\u00a0: \u96fb\u5727\u306e\u5b9f\u52b9\u5024 I\u00a0: \u96fb\u6d41\u306e\u5b9f\u52b9\u5024 \u3053\u306e\u76ae\u76f8\u96fb\u529b\u306f\u5b9f\u969b\u306b\u6d88\u8cbb\u3055\u308c\u308b\u96fb\u529b\u3068\u306f\u7570\u306a\u308b\u305f\u3081\u3001\u30dc\u30eb\u30c8\u30a2\u30f3\u30da\u30a2\u306b\u3088\u3063\u3066\u8868\u73fe\u3055\u308c\u308b\u3002\u65e5\u672c\u306e\u8a08\u91cf\u5358\u4f4d\u4ee4\u306b\u304a\u3044\u3066\u306f\u3001\u300c\u56de\u8def\u306b1\u30dc\u30eb\u30c8\u306e\u6b63\u5f26\u6ce2\u306e\u4ea4\u6d41\u306e\u96fb\u5727\u3092\u52a0\u3048\u308b\u3068\u304d\u306b1\u30a2\u30f3\u30da\u30a2\u306e\u6b63\u5f26\u6ce2\u306e\u4ea4\u6d41\u306e\u96fb\u6d41\u304c\u6d41\u308c\u308b\u5834\u5408\u306e\u76ae\u76f8\u96fb\u529b\u300d\u3068\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u308b[1]\u3002 \u4ea4\u6d41\u306b\u304a\u3044\u3066\u96fb\u529b\u306f\u6709\u52b9\u96fb\u529b\uff08\u8ca0\u8377\u3068\u3057\u3066\u4f7f\u308f\u308c\u308b\u96fb\u529b\uff09\u3068\u7121\u52b9\u96fb\u529b\u3068\u306b\u5206\u3051\u3089\u308c\u308b\u3002\u3046\u3061\u7121\u52b9\u96fb\u529b\u306f\u3001\u767a\u96fb\u6a5f\u3068\u4ea4\u6d41\u6a5f\u5668\u3068\u306e\u9593\u3092\u30d4\u30f3\u30dd\u30f3\u7389\u306e\u3088\u3046\u306b\u884c\u304d\u6765\u3057\u3001\u884c\u304d\u6765\u306e\u305f\u3073\u306b\u96fb\u6d41\u304c\u6d41\u308c\u308b\u6027\u8cea\u3092\u6301\u3064\u3002\u3053\u306e\u96fb\u6d41\u306f\u8ca0\u8377\u96fb\u6d41\u306b\u91cd\u7573\u3057\u3066\u6d41\u308c\u308b\u3053\u3068\u304b\u3089\u5b9f\u969b\u306e\u8ca0\u8377\u96fb\u529b\u3088\u308a\u3082\u5927\u304d\u306a\u96fb\u6d41\u304c\u6a5f\u5668\u306b\u6d41\u308c\u308b\u3053\u3068\u306b\u306a\u308b\u3002\u591a\u304f\u306e\u96fb\u529b\u8a2d\u5099\u306f\u96fb\u5727\u3084\u96fb\u6d41\u306b\u9650\u754c\u3092\u6301\u3064\u3082\u306e\u304c\u591a\u3044\u305f\u3081\u96fb\u529b\u8a2d\u5099\u5bb9\u91cf\u306e\u6307\u6a19\u306e\u4e00\u3064\u3068\u3057\u3066\u7528\u3044\u3089\u308c\u308b\u3002","datePublished":"2022-03-24","dateModified":"2022-03-24","author":{"@type":"Person","@id":"https:\/\/wiki.edu.vn\/jp\/wiki27\/archives\/author\/lordneo#Person","name":"lordneo","url":"https:\/\/wiki.edu.vn\/jp\/wiki27\/archives\/author\/lordneo","image":{"@type":"ImageObject","@id":"https:\/\/secure.gravatar.com\/avatar\/c9645c498c9701c88b89b8537773dd7c?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/c9645c498c9701c88b89b8537773dd7c?s=96&d=mm&r=g","height":96,"width":96}},"publisher":{"@type":"Organization","name":"Enzyklop\u00e4die","logo":{"@type":"ImageObject","@id":"https:\/\/wiki.edu.vn\/wiki4\/wp-content\/uploads\/2023\/11\/book.png","url":"https:\/\/wiki.edu.vn\/wiki4\/wp-content\/uploads\/2023\/11\/book.png","width":600,"height":60}},"image":{"@type":"ImageObject","@id":"https:\/\/wikimedia.org\/api\/rest_v1\/media\/math\/render\/svg\/442ad4ec1790da64c93a289b0f721c9448220aec","url":"https:\/\/wikimedia.org\/api\/rest_v1\/media\/math\/render\/svg\/442ad4ec1790da64c93a289b0f721c9448220aec","height":"","width":""},"url":"https:\/\/wiki.edu.vn\/jp\/wiki27\/archives\/109933","about":["Wiki"],"wordCount":1237,"articleBody":"\u30dc\u30eb\u30c8\u30a2\u30f3\u30da\u30a2\uff08\u82f1: Volt-ampere\u3001VA\uff09\u3068\u306f\u3001\u76ae\u76f8\u96fb\u529b\u3092\u3042\u3089\u308f\u3059\u5358\u4f4d\u3067\u3042\u308b\u3002  \u96fb\u529b\u3092\u3042\u3089\u308f\u3059\u5358\u4f4d\u3068\u3057\u3066\u306f\u3001\u4ea4\u6d41\u3001\u76f4\u6d41\u5171\u306b\u30ef\u30c3\u30c8 (W) \u3067\u3042\u308b\u3002\u76f4\u6d41\u306b\u304a\u3044\u3066\u96fb\u529bP\u306fP=|v||i|{displaystyle P=|v||i|}\u306b\u3088\u3063\u3066\u6c42\u3081\u3089\u308c\u308b\u305f\u3081\u3001\u96fb\u529b\u306e\u5358\u4f4d\u3067\u3042\u308b\u30ef\u30c3\u30c8\u3068\u96fb\u5727\u306e\u5358\u4f4d\u30dc\u30eb\u30c8\u3068\u96fb\u6d41\u306e\u5358\u4f4d\u30a2\u30f3\u30da\u30a2\u306e\u7a4d\u3067\u3042\u308b\u30dc\u30eb\u30c8\u30a2\u30f3\u30da\u30a2\u306f\u540c\u3058\u3082\u306e\u3067\u3042\u308b\u3002\u4ea4\u6d41\u3067\u306f\u96fb\u5727\u3001\u96fb\u6d41\u306e\u77ac\u6642\u5024\u304c\u5171\u306b\u5e38\u306b\u5909\u52d5\u3059\u308b\u305f\u3081\u3001\u5b9f\u52b9\u5024\u306b\u3088\u3063\u3066\u8868\u73fe\u3059\u308b\u3002\u8ca0\u8377\u304c\u5358\u7d14\u306a\u96fb\u6c17\u62b5\u6297\u3067\u3042\u308b\u5834\u5408\u3001\u96fb\u5727\u306e\u5b9f\u52b9\u5024\u3068\u96fb\u6d41\u306e\u5b9f\u52b9\u5024\u306e\u7a4d\u306f\u96fb\u529b\u3068\u7b49\u3057\u304f\u306a\u308b\u3088\u3046\u306b\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u308b\u3002  \u3057\u304b\u3057\u3001\u8a98\u5c0e\u8ca0\u8377\u3084\u5bb9\u91cf\u8ca0\u8377\u3067\u306f\u4f4d\u76f8\u306b\u5dee\u304c\u3067\u304d\u3066\u3057\u307e\u3046\u3002\u3053\u306e\u3068\u304d\u3001\u96fb\u5727\u306e\u5b9f\u52b9\u5024\u3068\u96fb\u6d41\u306e\u5b9f\u52b9\u5024\u306e\u7a4d\u306f\u8ca0\u8377\u306e\u6709\u52b9\u96fb\u529b\uff08\u6d88\u8cbb\u96fb\u529b\uff09\u3068\u306f\u7570\u306a\u308b\u5024\u3068\u306a\u308b\u3002\u96fb\u5727\u306e\u5b9f\u52b9\u5024\u3068\u96fb\u6d41\u306e\u5b9f\u52b9\u5024\u306e\u7a4d\u3092\u76ae\u76f8\u96fb\u529b S \u3068\u547c\u3076\u3002S=|V||I|{displaystyle S=|V||I|}V\u00a0: \u96fb\u5727\u306e\u5b9f\u52b9\u5024I\u00a0: \u96fb\u6d41\u306e\u5b9f\u52b9\u5024\u3053\u306e\u76ae\u76f8\u96fb\u529b\u306f\u5b9f\u969b\u306b\u6d88\u8cbb\u3055\u308c\u308b\u96fb\u529b\u3068\u306f\u7570\u306a\u308b\u305f\u3081\u3001\u30dc\u30eb\u30c8\u30a2\u30f3\u30da\u30a2\u306b\u3088\u3063\u3066\u8868\u73fe\u3055\u308c\u308b\u3002\u65e5\u672c\u306e\u8a08\u91cf\u5358\u4f4d\u4ee4\u306b\u304a\u3044\u3066\u306f\u3001\u300c\u56de\u8def\u306b1\u30dc\u30eb\u30c8\u306e\u6b63\u5f26\u6ce2\u306e\u4ea4\u6d41\u306e\u96fb\u5727\u3092\u52a0\u3048\u308b\u3068\u304d\u306b1\u30a2\u30f3\u30da\u30a2\u306e\u6b63\u5f26\u6ce2\u306e\u4ea4\u6d41\u306e\u96fb\u6d41\u304c\u6d41\u308c\u308b\u5834\u5408\u306e\u76ae\u76f8\u96fb\u529b\u300d\u3068\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u308b[1]\u3002\u4ea4\u6d41\u306b\u304a\u3044\u3066\u96fb\u529b\u306f\u6709\u52b9\u96fb\u529b\uff08\u8ca0\u8377\u3068\u3057\u3066\u4f7f\u308f\u308c\u308b\u96fb\u529b\uff09\u3068\u7121\u52b9\u96fb\u529b\u3068\u306b\u5206\u3051\u3089\u308c\u308b\u3002\u3046\u3061\u7121\u52b9\u96fb\u529b\u306f\u3001\u767a\u96fb\u6a5f\u3068\u4ea4\u6d41\u6a5f\u5668\u3068\u306e\u9593\u3092\u30d4\u30f3\u30dd\u30f3\u7389\u306e\u3088\u3046\u306b\u884c\u304d\u6765\u3057\u3001\u884c\u304d\u6765\u306e\u305f\u3073\u306b\u96fb\u6d41\u304c\u6d41\u308c\u308b\u6027\u8cea\u3092\u6301\u3064\u3002\u3053\u306e\u96fb\u6d41\u306f\u8ca0\u8377\u96fb\u6d41\u306b\u91cd\u7573\u3057\u3066\u6d41\u308c\u308b\u3053\u3068\u304b\u3089\u5b9f\u969b\u306e\u8ca0\u8377\u96fb\u529b\u3088\u308a\u3082\u5927\u304d\u306a\u96fb\u6d41\u304c\u6a5f\u5668\u306b\u6d41\u308c\u308b\u3053\u3068\u306b\u306a\u308b\u3002\u591a\u304f\u306e\u96fb\u529b\u8a2d\u5099\u306f\u96fb\u5727\u3084\u96fb\u6d41\u306b\u9650\u754c\u3092\u6301\u3064\u3082\u306e\u304c\u591a\u3044\u305f\u3081\u96fb\u529b\u8a2d\u5099\u5bb9\u91cf\u306e\u6307\u6a19\u306e\u4e00\u3064\u3068\u3057\u3066\u7528\u3044\u3089\u308c\u308b\u3002Table of Contents  \u500d\u91cf\u30fb\u5206\u91cf\u5358\u4f4d[\u7de8\u96c6]\u95a2\u9023\u5358\u4f4d[\u7de8\u96c6]\u30ef\u30c3\u30c8(watt; W)[\u7de8\u96c6]\u30d0\u30fc\u30eb(var, \u30f4\u30a1\u30fc\u30eb)[\u7de8\u96c6]\u95a2\u9023\u9805\u76ee[\u7de8\u96c6]\u5916\u90e8\u30ea\u30f3\u30af[\u7de8\u96c6]\u500d\u91cf\u30fb\u5206\u91cf\u5358\u4f4d[\u7de8\u96c6]\u30dc\u30eb\u30c8\u30a2\u30f3\u30da\u30a2 (VA) \u306e\u500d\u91cf\u30fb\u5206\u91cf\u5358\u4f4d\u5206\u91cf\u500d\u91cf\u5024\u8a18\u53f7\u540d\u79f0\u5024\u8a18\u53f7\u540d\u79f010\u22121 VAdVA\u30c7\u30b7\u30dc\u30eb\u30c8\u30a2\u30f3\u30da\u30a2101 VAdaVA\u30c7\u30ab\u30dc\u30eb\u30c8\u30a2\u30f3\u30da\u30a210\u22122 VAcVA\u30bb\u30f3\u30c1\u30dc\u30eb\u30c8\u30a2\u30f3\u30da\u30a2102 VAhVA\u30d8\u30af\u30c8\u30dc\u30eb\u30c8\u30a2\u30f3\u30da\u30a210\u22123 VAmVA\u30df\u30ea\u30dc\u30eb\u30c8\u30a2\u30f3\u30da\u30a2103 VAkVA\u30ad\u30ed\u30dc\u30eb\u30c8\u30a2\u30f3\u30da\u30a210\u22126 VA\u00b5VA\u30de\u30a4\u30af\u30ed\u30dc\u30eb\u30c8\u30a2\u30f3\u30da\u30a2106 VAMVA\u30e1\u30ac\u30dc\u30eb\u30c8\u30a2\u30f3\u30da\u30a210\u22129 VAnVA\u30ca\u30ce\u30dc\u30eb\u30c8\u30a2\u30f3\u30da\u30a2109 VAGVA\u30ae\u30ac\u30dc\u30eb\u30c8\u30a2\u30f3\u30da\u30a210\u221212 VApVA\u30d4\u30b3\u30dc\u30eb\u30c8\u30a2\u30f3\u30da\u30a21012 VATVA\u30c6\u30e9\u30dc\u30eb\u30c8\u30a2\u30f3\u30da\u30a210\u221215 VAfVA\u30d5\u30a7\u30e0\u30c8\u30dc\u30eb\u30c8\u30a2\u30f3\u30da\u30a21015 VAPVA\u30da\u30bf\u30dc\u30eb\u30c8\u30a2\u30f3\u30da\u30a210\u221218 VAaVA\u30a2\u30c8\u30dc\u30eb\u30c8\u30a2\u30f3\u30da\u30a21018 VAEVA\u30a8\u30af\u30b5\u30dc\u30eb\u30c8\u30a2\u30f3\u30da\u30a210\u221221 VAzVA\u30bc\u30d7\u30c8\u30dc\u30eb\u30c8\u30a2\u30f3\u30da\u30a21021 VAZVA\u30bc\u30bf\u30dc\u30eb\u30c8\u30a2\u30f3\u30da\u30a210\u221224 VAyVA\u30e8\u30af\u30c8\u30dc\u30eb\u30c8\u30a2\u30f3\u30da\u30a21024 VAYVA\u30e8\u30bf\u30dc\u30eb\u30c8\u30a2\u30f3\u30da\u30a2\u3088\u304f\u4f7f\u308f\u308c\u308b\u5358\u4f4d\u3092\u592a\u5b57\u3067\u793a\u3059\u95a2\u9023\u5358\u4f4d[\u7de8\u96c6]\u6709\u52b9\u96fb\u529b\u3092P\u3001\u7121\u52b9\u96fb\u529b\u3092Q\u3068\u3057\u305f\u3068\u304d\u305d\u308c\u305e\u308c\u30ef\u30c3\u30c8\u3068\u30d0\u30fc\u30eb\u3068\u3044\u3046\u5358\u4f4d\u3092\u7528\u3044\u308b\u3002\u306a\u304a\u3001\u4f4d\u76f8\u5dee\u3092\u03b8\u3068\u3059\u308b\u3002\u30ef\u30c3\u30c8(watt; W)[\u7de8\u96c6]P=Scos\u2061\u03b8=S2\u2212Q2{displaystyle P=Scos theta ={sqrt {S^{2}-Q^{2}}}}\u30d0\u30fc\u30eb(var, \u30f4\u30a1\u30fc\u30eb)[\u7de8\u96c6]Q=Ssin\u2061\u03b8=S2\u2212P2{displaystyle Q=Ssin theta ={sqrt {S^{2}-P^{2}}}}\u95a2\u9023\u9805\u76ee[\u7de8\u96c6]\u5916\u90e8\u30ea\u30f3\u30af[\u7de8\u96c6]"},{"@context":"http:\/\/schema.org\/","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"item":{"@id":"https:\/\/wiki.edu.vn\/jp\/wiki27\/#breadcrumbitem","name":"Enzyklop\u00e4die"}},{"@type":"ListItem","position":2,"item":{"@id":"https:\/\/wiki.edu.vn\/jp\/wiki27\/archives\/109933#breadcrumbitem","name":"\u30dc\u30eb\u30c8\u30a2\u30f3\u30da\u30a2 – Wikipedia"}}]}]