{"id":19331,"date":"2025-07-07T05:10:05","date_gmt":"2025-07-06T22:10:05","guid":{"rendered":"https:\/\/www.ckconitsha.com\/vn\/?p=19331"},"modified":"2025-07-09T10:06:00","modified_gmt":"2025-07-09T03:06:00","slug":"dai-cuong-ve-dong-dien-xoay-chieu-va-bai-tap-van-dung-vat-ly-9","status":"publish","type":"post","link":"https:\/\/www.ckconitsha.com\/vn\/dai-cuong-ve-dong-dien-xoay-chieu-va-bai-tap-van-dung-vat-ly-9\/","title":{"rendered":"\u0110\u1ea1i c\u01b0\u01a1ng v\u1ec1 d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u v\u00e0 b\u00e0i t\u1eadp v\u1eadn d\u1ee5ng | V\u1eadt l\u00fd 9"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_79_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.ckconitsha.com\/vn\/dai-cuong-ve-dong-dien-xoay-chieu-va-bai-tap-van-dung-vat-ly-9\/#Dong_dien_xoay_chieu_la_gi\" >D\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.ckconitsha.com\/vn\/dai-cuong-ve-dong-dien-xoay-chieu-va-bai-tap-van-dung-vat-ly-9\/#Cach_tao_ra_dong_dien_xoay_chieu\" >C\u00e1ch t\u1ea1o ra d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.ckconitsha.com\/vn\/dai-cuong-ve-dong-dien-xoay-chieu-va-bai-tap-van-dung-vat-ly-9\/#Mot_so_dai_luong_dac_trung_cho_dong_dien_xoay_chieu\" >M\u1ed9t s\u1ed1 \u0111\u1ea1i l\u01b0\u1ee3ng \u0111\u1eb7c tr\u01b0ng cho d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u\u00a0<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.ckconitsha.com\/vn\/dai-cuong-ve-dong-dien-xoay-chieu-va-bai-tap-van-dung-vat-ly-9\/#Cong_suat_cua_dong_dien_xoay_chieu\" >C\u00f4ng su\u1ea5t c\u1ee7a d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.ckconitsha.com\/vn\/dai-cuong-ve-dong-dien-xoay-chieu-va-bai-tap-van-dung-vat-ly-9\/#Chu_ky_va_tan_so_cua_dong_dien_xoay_chieu\" >Chu k\u1ef3 v\u00e0 t\u1ea7n s\u1ed1 c\u1ee7a d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.ckconitsha.com\/vn\/dai-cuong-ve-dong-dien-xoay-chieu-va-bai-tap-van-dung-vat-ly-9\/#Bien_do_cua_dong_dien_xoay_chieu\" >Bi\u00ean \u0111\u1ed9 c\u1ee7a d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.ckconitsha.com\/vn\/dai-cuong-ve-dong-dien-xoay-chieu-va-bai-tap-van-dung-vat-ly-9\/#Gia_tri_hieu_dung_cua_dong_dien_xoay_chieu\" >Gi\u00e1 tr\u1ecb hi\u1ec7u d\u1ee5ng c\u1ee7a d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.ckconitsha.com\/vn\/dai-cuong-ve-dong-dien-xoay-chieu-va-bai-tap-van-dung-vat-ly-9\/#Pha_cua_dong_dien_AC_xoay_chieu\" >Pha c\u1ee7a d\u00f2ng \u0111i\u1ec7n AC xoay chi\u1ec1u<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.ckconitsha.com\/vn\/dai-cuong-ve-dong-dien-xoay-chieu-va-bai-tap-van-dung-vat-ly-9\/#Tac_dung_cua_dong_dien_xoay_chieu\" >T\u00e1c d\u1ee5ng c\u1ee7a d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.ckconitsha.com\/vn\/dai-cuong-ve-dong-dien-xoay-chieu-va-bai-tap-van-dung-vat-ly-9\/#Tac_dung_nhiet\" >T\u00e1c d\u1ee5ng nhi\u1ec7t<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.ckconitsha.com\/vn\/dai-cuong-ve-dong-dien-xoay-chieu-va-bai-tap-van-dung-vat-ly-9\/#Tac_dung_quang\" >T\u00e1c d\u1ee5ng quang<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.ckconitsha.com\/vn\/dai-cuong-ve-dong-dien-xoay-chieu-va-bai-tap-van-dung-vat-ly-9\/#Tac_dung_tu\" >T\u00e1c d\u1ee5ng t\u1eeb<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.ckconitsha.com\/vn\/dai-cuong-ve-dong-dien-xoay-chieu-va-bai-tap-van-dung-vat-ly-9\/#Su_khac_nhau_giua_dong_dien_1_chieu_va_xoay_chieu\" >S\u1ef1 kh\u00e1c nhau gi\u1eefa d\u00f2ng \u0111i\u1ec7n 1 chi\u1ec1u v\u00e0 xoay chi\u1ec1u<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.ckconitsha.com\/vn\/dai-cuong-ve-dong-dien-xoay-chieu-va-bai-tap-van-dung-vat-ly-9\/#Su_khac_nhau_giua_dong_dien_1_pha_va_3_pha\" >S\u1ef1 kh\u00e1c nhau gi\u1eefa d\u00f2ng \u0111i\u1ec7n 1 pha v\u00e0 3 pha<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.ckconitsha.com\/vn\/dai-cuong-ve-dong-dien-xoay-chieu-va-bai-tap-van-dung-vat-ly-9\/#Ung_dung_dong_dien_xoay_chieu_trong_doi_song\" >\u1ee8ng d\u1ee5ng d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u trong \u0111\u1eddi s\u1ed1ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.ckconitsha.com\/vn\/dai-cuong-ve-dong-dien-xoay-chieu-va-bai-tap-van-dung-vat-ly-9\/#Bai_tap_dong_dien_xoay_chieu_Vat_li_9_bai_33\" >B\u00e0i t\u1eadp d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u V\u1eadt l\u00ed 9 b\u00e0i 33\u00a0<\/a><\/li><\/ul><\/nav><\/div>\n<\/p>\n<p dir=\"ltr\">D\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u l\u00e0 d\u00f2ng \u0111i\u1ec7n kh\u00f4ng ch\u1ec9 r\u1ea5t quen thu\u1ed9c trong \u0111\u1eddi s\u1ed1ng th\u1ef1c t\u1ebf c\u1ee7a ch\u00fang ta m\u00e0 n\u00f3 c\u00f2n v\u00f4 c\u00f9ng ph\u1ed5 bi\u1ebfn c\u1ea3 trong l\u00fd thuy\u1ebft. H\u00e3y c\u00f9ng Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef t\u00ecm hi\u1ec3u c\u00e1c kh\u00e1i ni\u1ec7m li\u00ean quan \u0111\u1ebfn d\u00f2ng \u0111i\u1ec7n n\u00e0y, c\u00e1ch t\u1ea1o c\u0169ng nh\u01b0 nh\u1eefng \u0111\u1eb7c \u0111i\u1ec3m v\u00e0 c\u00e1c gi\u00e1 tr\u1ecb hi\u1ec7u d\u1ee5ng c\u1ee7a n\u00f3!<\/p>\n<p>                                                                    <img decoding=\"async\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img_default\/monkey3.png\" alt=\"\"><\/p>\n<p class=\"title\">H\u00e0ng tri\u1ec7u tr\u1ebb em \u0111\u00e3 ph\u00e1t tri\u1ec3n kh\u1ea3 n\u0103ng ng\u00f4n ng\u1eef c\u1ee7a m\u00ecnh th\u00f4ng qua c\u00e1c \u1ee9ng d\u1ee5ng h\u1ecdc t\u1eadp c\u1ee7a Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef<\/p>\n<p class=\"description\">\u0110\u0103ng k\u00fd ngay \u0111\u1ec3 \u0111\u01b0\u1ee3c Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef t\u01b0 v\u1ea5n mi\u1ec5n ph\u00ed v\u1ec1 s\u1ea3n ph\u1ea9m v\u00e0 l\u1ed9 tr\u00ecnh h\u1ecdc cho con.<\/p>\n<p>                                                                            *Vui l\u00f2ng ki\u1ec3m tra l\u1ea1i h\u1ecd t\u00ean<\/p>\n<p>                                                                            *Vui l\u00f2ng ki\u1ec3m tra l\u1ea1i S\u0110T<\/p>\n<p>                                                                                Th\u00e0nh th\u1ea1o 2.000+ t\u1eeb &amp; 6.000 c\u00e2u ti\u1ebfng anh<br \/>\n                                                                                Ph\u00e1t tri\u1ec3n to\u00e0n di\u1ec7n 4 k\u1ef9 n\u0103ng ti\u1ebfng anh<br \/>\n                                                                                Gi\u1ecfi To\u00e1n &#8211; ti\u1ebfng Anh theo ph\u01b0\u01a1ng ph\u00e1p hi\u1ec7n \u0111\u1ea1i<br \/>\n                                                                                Ph\u00e1t tri\u1ec3n EQ &amp; kh\u1ea3 n\u0103ng ti\u1ebfng Vi\u1ec7t<\/p>\n<p>                                                                                *B\u1ea1n ch\u01b0a ch\u1ecdn m\u1ee5c n\u00e0o!<\/p>\n<p>                                                                    \u0110\u0103ng K\u00fd T\u01b0 V\u1ea5n Mi\u1ec5n Ph\u00ed<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Dong_dien_xoay_chieu_la_gi\"><\/span>D\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">\u0110\u1ecbnh ngh\u0129a:<\/p>\n<p dir=\"ltr\">D\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u hay c\u00f2n \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 d\u00f2ng \u0111i\u1ec7n AC (Alternating Current) \u0111\u00e2y l\u00e0 d\u00f2ng \u0111i\u1ec7n c\u00f3 chi\u1ec1u bi\u1ebfn thi\u00ean tu\u1ea7n ho\u00e0n v\u00e0 c\u01b0\u1eddng \u0111\u1ed9 bi\u1ebfn thi\u00ean \u0111i\u1ec1u ho\u00e0 theo th\u1eddi gian.\u00a0<\/p>\n<p dir=\"ltr\">Th\u00f4ng th\u01b0\u1eddng s\u1ef1 thay \u0111\u1ed5i n\u00e0y th\u01b0\u1eddng tu\u1ea7n ho\u00e0n theo chu k\u1ef3 nh\u1ea5t \u0111\u1ecbnh.\u00a0<\/p>\n<p dir=\"ltr\">D\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u \u0111\u01b0\u1ee3c t\u1ea1o ra t\u1eeb c\u00e1c m\u00e1y ph\u00e1t \u0111i\u1ec7n xoay chi\u1ec1u ho\u1eb7c \u0111\u01b0\u1ee3c bi\u1ebfn \u0111\u1ed5i t\u1eeb ngu\u1ed3n \u0111i\u1ec7n m\u1ed9t chi\u1ec1u. Trong \u0111i\u1ec7n d\u00e2n d\u1ee5ng v\u00e0 c\u00f4ng nghi\u1ec7p d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u c\u00f3 \u0111i\u1ec7n \u00e1p l\u00e0 110V ho\u1eb7c 220V, t\u1ea7n s\u1ed1 tu\u1ea7n ho\u00e0n l\u00e0 50\u201360 Hz.<\/p>\n<p dir=\"ltr\">S\u1ef1 ra \u0111\u1eddi:<\/p>\n<p dir=\"ltr\">D\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u \u0111\u01b0\u1ee3c ra \u0111\u1eddi ngay sau khi ph\u00e1t hi\u1ec7n ra c\u1ea3m \u1ee9ng \u0111i\u1ec7n t\u1eeb v\u00e0 c\u0169ng l\u00e0 s\u1ea3n ph\u1ea9m \u0111\u1ea7u tay c\u1ee7a m\u1ed9t nh\u00e0 h\u00f3a h\u1ecdc, v\u1eadt l\u00fd ng\u01b0\u1eddi Anh Michael Faraday v\u00e0 nh\u00e0 ch\u1ebf t\u00e1c nh\u1ea1c c\u1ee5 ng\u01b0\u1eddi Ph\u00e1p Hippolyte Pixii.<\/p>\n<p dir=\"ltr\">K\u00ed hi\u1ec7u:<\/p>\n<p dir=\"ltr\">Trong k\u1ef9 thu\u1eadt \u0111i\u1ec7n, ngu\u1ed3n \u0111i\u1ec7n xoay chi\u1ec1u \u0111\u01b0\u1ee3c \u0111\u01b0\u1ee3c k\u00fd hi\u1ec7u b\u1edfi h\u00ecnh ~ (d\u1ea5u ng\u00e3 &#8211; \u0111\u00e2y l\u00e0 bi\u1ec3u t\u01b0\u1ee3ng g\u1ee3i \u0111\u1ebfn d\u1ea1ng s\u00f3ng h\u00ecnh sin).<\/p>\n<p dir=\"ltr\"><img loading=\"lazy\" decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/dong-dien-xoay-chieu-2.jpg\" alt=\"K\u00fd hi\u1ec7u d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u. (\u1ea2nh: Shining Home - Gia \u0111\u00ecnh Anh Ng\u1eef)\" width=\"800\" height=\"494\"><\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Cach_tao_ra_dong_dien_xoay_chieu\"><\/span>C\u00e1ch t\u1ea1o ra d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u\u00a0<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">\u0110\u1ed1i v\u1edbi v\u1edbi c\u00e1ch t\u1ea1o ra d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u kh\u00f4ng c\u00f3 g\u00ec kh\u00f3 kh\u0103n. \u0110\u1ec3 c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c em c\u00f3 th\u1ec3 l\u00e0m theo hai c\u00e1ch sau:<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">C\u00e1ch th\u1ee9 nh\u1ea5t: \u0110\u1eb7t m\u1ed9t cu\u1ed9n d\u00e2y d\u1eabn k\u00edn, sau \u0111\u00f3 cho nam ch\u00e2m quay quanh cu\u1ed9n d\u00e2y d\u1eabn \u0111\u00f3. \u0110\u1ed1i v\u1edbi c\u00e1ch n\u00e0y c\u00e1c em s\u1ebd thu \u0111\u01b0\u1ee3c d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u t\u01b0\u01a1ng \u0111\u1ed1i \u0111\u01a1n gi\u1ea3n.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">C\u00e1ch th\u1ee9 hai: \u0110\u1eb7t nam ch\u00e2m quay tr\u01b0\u1edbc cu\u1ed9n d\u00e2y d\u1eabn k\u00edn. C\u00e1ch n\u00e0y hay \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng v\u00ec thu \u0111\u01b0\u1ee3c d\u00f2ng \u0111i\u1ec7n AC kh\u00f4ng qu\u00e1 kh\u00f3 kh\u0103n.<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\"><img loading=\"lazy\" decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/dong-dien-xoay-chieu-3(1).jpg\" alt=\"C\u00e1ch t\u1ea1o ra d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u. (\u1ea2nh: S\u01b0u t\u1ea7m Internet)\" width=\"800\" height=\"227\"><\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Mot_so_dai_luong_dac_trung_cho_dong_dien_xoay_chieu\"><\/span>M\u1ed9t s\u1ed1 \u0111\u1ea1i l\u01b0\u1ee3ng \u0111\u1eb7c tr\u01b0ng cho d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u\u00a0<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">T\u00ecm hi\u1ec3u k\u1ef9 v\u1ec1 m\u1ed9t s\u1ed1 \u0111\u1ea1i l\u01b0\u1ee3ng nh\u01b0: C\u00f4ng su\u1ea5t, chu k\u1ef3 v\u00e0 t\u1ea7n s\u1ed1, bi\u00ean \u0111\u1ed9, gi\u00e1 tr\u1ecb hi\u1ec7u d\u1ee5ng, pha c\u1ee7a d\u00f2ng \u0111i\u1ec7n.\u00a0<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Cong_suat_cua_dong_dien_xoay_chieu\"><\/span>C\u00f4ng su\u1ea5t c\u1ee7a d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u\u00a0<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">D\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u c\u00f3 c\u00f4ng su\u1ea5t d\u1ef1a v\u00e0o c\u01b0\u1eddng \u0111\u1ed9, \u0111i\u1ec7n \u00e1p v\u00e0 \u0111\u1ed9 l\u1ec7ch pha gi\u1eefa hai \u0111\u1ea1i l\u01b0\u1ee3ng tr\u00ean, c\u00f4ng su\u1ea5t c\u1ee7a d\u00f2ng \u0111i\u1ec7n AC c\u00f3 c\u00f4ng th\u1ee9c:\u00a0<\/p>\n<table style=\"border-collapse: collapse;width: 100%;border-color: #4e4c50;border-style: solid\" border=\"1\">\n<tr>\n<td style=\"width: 98.6618%;text-align: center;border: 0.5px solid #4e4c50\">\n<p>P = U.I.cos\u03b1<\/p>\n<\/td>\n<\/tr>\n<\/table>\n<p>\u00a0<\/p>\n<p dir=\"ltr\">Trong \u0111\u00f3:<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">U: \u0110i\u1ec7n \u00e1p<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">I: D\u00f2ng \u0111i\u1ec7n<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">\u03b1: G\u00f3c l\u1ec7ch pha gi\u1eefa U v\u00e0 I<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">Ch\u00fa \u00fd:\u00a0<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Trong tr\u01b0\u1eddng h\u1ee3p d\u00f2ng \u0111i\u1ec7n AC \u0111i qua \u0111i\u1ec7n tr\u1edf th\u00ec \u0111\u1ed9 l\u1ec7ch pha gi\u1eefa U v\u00e0 I c\u00f3 \u03b1 = 0 khi \u0111\u00f3 cos\u03b1 = 1<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Tr\u01b0\u1eddng h\u1ee3p d\u00f2ng \u0111i\u1ec7n AC \u0111i qua cu\u1ed9n d\u00e2y ho\u1eb7c t\u1ee5 \u0111i\u1ec7n th\u00ec \u0111\u1ed9 l\u1ec7ch pha gi\u1eefa U v\u00e0 I l\u00e0 90 \u0111\u1ed9 ho\u1eb7c -90 \u0111\u1ed9 th\u00ec khi \u0111\u00f3 cos\u03b1 = 0 v\u00e0 P = 0<\/p>\n<\/li>\n<\/ul>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Chu_ky_va_tan_so_cua_dong_dien_xoay_chieu\"><\/span>Chu k\u1ef3 v\u00e0 t\u1ea7n s\u1ed1 c\u1ee7a d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u\u00a0<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Chu k\u1ef3 c\u1ee7a AC k\u00fd hi\u1ec7u l\u00e0 T t\u1ee9c l\u00e0 kho\u1ea3ng th\u1eddi gian m\u00e0 \u0111i\u1ec7n xoay chi\u1ec1u l\u1eb7p l\u1ea1i v\u1ecb tr\u00ed c\u0169 v\u00e0 \u0111\u01b0\u1ee3c t\u00ednh b\u1eb1ng gi\u00e2y (s).<\/p>\n<p dir=\"ltr\">T\u1ea7n s\u1ed1 \u0111i\u1ec7n xoay chi\u1ec1u: l\u00e0 s\u1ed1 l\u1ea7n l\u1eb7p l\u1ea1i tr\u1ea1ng th\u00e1i c\u0169 c\u1ee7a d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u trong m\u1ed9t gi\u00e2y k\u00fd hi\u1ec7u l\u00e0 F \u0111\u01a1n v\u1ecb l\u00e0 Hz.<\/p>\n<table style=\"border-collapse: collapse;width: 100%;border-color: #4e4c50;border-style: solid\" border=\"1\">\n<tr>\n<td style=\"width: 98.6618%;text-align: center;border: 0.5px solid #4e4c50\">\n<p>F = 1\/ T<\/p>\n<\/td>\n<\/tr>\n<\/table>\n<p>\u00a0<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bien_do_cua_dong_dien_xoay_chieu\"><\/span>Bi\u00ean \u0111\u1ed9 c\u1ee7a d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Bi\u00ean \u0111\u1ed9 c\u1ee7a d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u th\u01b0\u1eddng s\u1ebd cao h\u01a1n \u0111i\u1ec7n \u00e1p m\u00e0 ta \u0111o \u0111\u01b0\u1ee3c t\u1eeb c\u00e1c \u0111\u1ed3ng h\u1ed3 v\u00e0 c\u0169ng ch\u00ednh l\u00e0 gi\u00e1 tr\u1ecb \u0111i\u1ec7n \u00e1p \u0111\u1ec9nh c\u1ee7a d\u00f2ng xoay chi\u1ec1u.<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Gia_tri_hieu_dung_cua_dong_dien_xoay_chieu\"><\/span>Gi\u00e1 tr\u1ecb hi\u1ec7u d\u1ee5ng c\u1ee7a d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u\u00a0<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Th\u01b0\u1eddng l\u00e0 gi\u00e1 tr\u1ecb ch\u00fang ta \u0111o \u0111\u01b0\u1ee3c t\u1eeb c\u00e1c \u0111\u1ed3ng h\u1ed3 c\u0169ng ch\u00ednh l\u00e0 gi\u00e1 tr\u1ecb \u0111i\u1ec7n \u00e1p \u0111\u01b0\u1ee3c ghi tr\u00ean jack c\u1eafm ngu\u1ed3n c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed.<\/p>\n<p dir=\"ltr\">V\u00ed d\u1ee5: Ngu\u1ed3n 220V AC m\u00e0 ta \u0111ang s\u1eed d\u1ee5ng ch\u00ednh l\u00e0 ch\u1ec9 gi\u00e1 tr\u1ecb hi\u1ec7u d\u1ee5ng.<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Pha_cua_dong_dien_AC_xoay_chieu\"><\/span>Pha c\u1ee7a d\u00f2ng \u0111i\u1ec7n AC xoay chi\u1ec1u<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Nh\u1eafc \u0111\u1ebfn pha c\u1ee7a d\u00f2ng \u0111i\u1ec7n AC th\u00ec th\u01b0\u1eddng n\u00f3i t\u1edbi s\u1ef1 so s\u00e1nh gi\u1eefa hai d\u00f2ng \u0111i\u1ec7n AC c\u00f9ng t\u1ea7n s\u1ed1. Khi \u0111\u00f3 ng\u01b0\u1eddi ta s\u1ebd s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb \u0111o chuy\u00ean d\u1ee5ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh pha c\u1ee7a d\u00f2ng \u0111i\u1ec7n AC.<\/p>\n<p dir=\"ltr\">Hai d\u00f2ng \u0111i\u1ec7n AC c\u00f9ng pha:\u00a0<\/p>\n<p dir=\"ltr\">Hai d\u00f2ng \u0111i\u1ec7n c\u00f3 c\u00e1c th\u1eddi \u0111i\u1ec3m \u0111i\u1ec7n \u00e1p c\u00f9ng t\u0103ng v\u00e0 c\u00f9ng gi\u1ea3m nh\u01b0 nhau.<\/p>\n<p dir=\"ltr\"><img loading=\"lazy\" decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/dong-dien-xoay-chieu-3.jpg\" alt=\"Hai d\u00f2ng \u0111i\u1ec7n c\u00f9ng pha. (\u1ea2nh: S\u01b0u t\u1ea7m Internet)\" width=\"800\" height=\"494\"><\/p>\n<p dir=\"ltr\">D\u00f2ng \u0111i\u1ec7n AC ng\u01b0\u1ee3c pha: <\/p>\n<p dir=\"ltr\">L\u00e0 hai d\u00f2ng \u0111i\u1ec7n l\u1ec7ch pha 180 \u0111\u1ed9, khi d\u00f2ng \u0111i\u1ec7n n\u00e0y t\u0103ng th\u00ec d\u00f2ng \u0111i\u1ec7n kia gi\u1ea3m v\u00e0 ng\u01b0\u1ee3c l\u1ea1i.<\/p>\n<p dir=\"ltr\"><img loading=\"lazy\" decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/dong-dien-xoay-chieu-4.jpg\" alt=\"D\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u ng\u01b0\u1ee3c pha. (\u1ea2nh: S\u01b0u t\u1ea7m Internet)\" width=\"800\" height=\"494\"><\/p>\n<p dir=\"ltr\">D\u00f2ng \u0111i\u1ec7n AC l\u1ec7ch pha:<\/p>\n<p dir=\"ltr\">L\u00e0 hai d\u00f2ng \u0111i\u1ec7n c\u00f3 c\u00e1c th\u1eddi \u0111i\u1ec3m \u0111i\u1ec7n \u00e1p t\u0103ng gi\u1ea3m l\u1ec7ch nhau.<\/p>\n<p dir=\"ltr\"><img loading=\"lazy\" decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/dong-dien-xoay-chieu-5.jpg\" alt=\"D\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u l\u1ec7ch pha. (\u1ea2nh: S\u01b0u t\u1ea7m Internet)\" width=\"800\" height=\"494\"><\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Tac_dung_cua_dong_dien_xoay_chieu\"><\/span>T\u00e1c d\u1ee5ng c\u1ee7a d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">C\u0169ng gi\u1ed1ng nh\u01b0 d\u00f2ng \u0111i\u1ec7n m\u1ed9t chi\u1ec1u (DC), m\u1ed9t s\u1ed1 t\u00e1c d\u1ee5ng ti\u00eau bi\u1ec3u c\u1ee7a d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u c\u00f3 th\u1ec3 k\u1ec3 \u0111\u1ebfn nh\u01b0 sau:<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Tac_dung_nhiet\"><\/span>T\u00e1c d\u1ee5ng nhi\u1ec7t<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">\u0110\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng t\u00e1c d\u1ee5ng \u0111\u1ea7u ti\u00ean m\u00e0 c\u00f3 th\u1ec3 k\u1ec3 \u0111\u1ebfn c\u1ee7a d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u. (V\u00ed d\u1ee5 nh\u01b0: \u0111\u00e8n s\u1ee3i \u0111\u1ed1t, l\u00f2 vi s\u00f3ng, b\u00e0n \u1ee7i,&#8230;)<\/p>\n<p dir=\"ltr\"><img loading=\"lazy\" decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/dong-dien-xoay-chieu-6.jpg\" alt=\"D\u00f2ng \u0111i\u1ec7n c\u00f3 t\u00e1c d\u1ee5ng nhi\u1ec7t. (\u1ea2nh: S\u01b0u t\u1ea7m Internet)\" width=\"800\" height=\"494\"><\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Tac_dung_quang\"><\/span>T\u00e1c d\u1ee5ng quang<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">V\u00ed d\u1ee5 c\u1ee7a t\u00e1c d\u1ee5ng quang d\u1ec5 g\u1eb7p nh\u1ea5t \u0111\u00f3 ch\u00ednh l\u00e0 b\u00f3ng \u0111\u00e8n s\u1ee3i \u0111\u1ed1t, b\u00fat th\u1eed \u0111i\u1ec7n,&#8230;<\/p>\n<p dir=\"ltr\"><img loading=\"lazy\" decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/dong-dien-xoay-chieu-7.jpg\" alt=\"D\u00f2ng \u0111i\u1ec7n c\u00f3 t\u00e1c d\u1ee5ng quang. (\u1ea2nh: S\u01b0u t\u1ea7m Internet)\" width=\"800\" height=\"494\"><\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Tac_dung_tu\"><\/span>T\u00e1c d\u1ee5ng t\u1eeb<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">D\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u c\u00f3 t\u00e1c d\u1ee5ng t\u1eeb nh\u01b0 t\u1ea1o ra t\u1eeb tr\u01b0\u1eddng bi\u1ebfn l\u00f5i s\u1eaft th\u00e0nh nam ch\u00e2m \u0111i\u1ec7n, chu\u00f4ng \u0111i\u1ec7n, c\u1ea7n c\u1ea9u \u0111i\u1ec7n,&#8230;<\/p>\n<p dir=\"ltr\"><img loading=\"lazy\" decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/dong-dien-xoay-chieu-8.jpg\" alt=\"D\u00f2ng \u0111i\u1ec7n c\u00f3 t\u00e1c d\u1ee5ng t\u1eeb. (\u1ea2nh: S\u01b0u t\u1ea7m Internet)\" width=\"800\" height=\"494\"><\/p>\n<p dir=\"ltr\">Ngo\u00e0i nh\u1eefng t\u00e1c d\u1ee5ng tr\u00ean d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u c\u00f2n c\u00f3 m\u1ed9t s\u1ed1 t\u00e1c d\u1ee5ng c\u00f3 th\u1ec3 k\u1ec3 \u0111\u1ebfn nh\u01b0: t\u00e1c d\u1ee5ng sinh l\u00fd (\u0111\u01b0\u1ee3c d\u00f9ng d\u00f9ng trong y t\u1ebf: tr\u1ee3 tim, ch\u00e2m c\u1ee9u,&#8230;), t\u00e1c d\u1ee5ng h\u00f3a h\u1ecdc (d\u00f9ng \u0111\u1ec3 \u0111i\u1ec7n ph\u00e2n c\u00e1c ch\u1ea5t h\u00f3a h\u1ecdc, m\u1ea1 v\u00e0ng,&#8230;)<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Su_khac_nhau_giua_dong_dien_1_chieu_va_xoay_chieu\"><\/span>S\u1ef1 kh\u00e1c nhau gi\u1eefa d\u00f2ng \u0111i\u1ec7n 1 chi\u1ec1u v\u00e0 xoay chi\u1ec1u<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\"><img loading=\"lazy\" decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/dong-dien-xoay-chieu-9.jpg\" alt=\"S\u1ef1 kh\u00e1c gi\u1eefa hai d\u00f2ng \u0111i\u1ec7n 1 chi\u1ec1u v\u00e0 xoay chi\u1ec1u. (\u1ea2nh: Shining Home - Gia \u0111\u00ecnh Anh Ng\u1eef)\" width=\"800\" height=\"494\"><\/p>\n<p dir=\"ltr\">D\u00f2ng \u0111i\u1ec7n m\u1ed9t chi\u1ec1u v\u00e0 d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u c\u0169ng c\u00f3 m\u1ed9t s\u1ed1 \u0111i\u1ec3m kh\u00e1c nhau d\u1ec5 nh\u1eadn bi\u1ebft nh\u01b0:<\/p>\n<p dir=\"ltr\">V\u1ec1 ngu\u1ed3n cung c\u1ea5p:<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">\u0110\u1ed1i v\u1edbi d\u00f2ng \u0111i\u1ec7n 1 chi\u1ec1u ngu\u1ed3n cung c\u1ea5p l\u00e0 pin ho\u1eb7c b\u00ecnh \u1eafc quy<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">D\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u l\u00e0 m\u00e1y ph\u00e1t \u0111i\u1ec7n. Ngo\u00e0i ra, \u0111\u1ed1i v\u1edbi \u0111i\u1ec7n \u00e1p c\u1ee7a d\u00f2ng AC th\u00ec c\u00f3 gi\u00e1 tr\u1ecb t\u1eeb \u00e2m sang d\u01b0\u01a1ng v\u00e0 ng\u01b0\u1ee3c l\u1ea1i.<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">\u0110\u1eb7c t\u00ednh v\u1ec1 chi\u1ec1u d\u00f2ng \u0111i\u1ec7n:<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">D\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u c\u00f3 th\u1ec3 \u0111\u1ed5i chi\u1ec1u trong m\u1ed9t chu k\u00ec nh\u1ea5t \u0111\u1ecbnh\u00a0<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Nh\u01b0ng \u0111\u1ed1i v\u1edbi d\u00f2ng \u0111i\u1ec7n 1 chi\u1ec1u th\u00ec ch\u1ec9 c\u00f3 m\u1ed9t chi\u1ec1u nh\u1ea5t \u0111\u1ecbnh.<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">\u0110\u1eb7c t\u00ednh v\u1ec1 pha v\u00e0 t\u1ea7n s\u1ed1:<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Trong khi d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u c\u00f3 \u0111\u1ea7y \u0111\u1ee7 t\u1ea7n s\u1ed1, chu k\u00ec v\u00e0 pha\u00a0<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Tr\u00e1i ng\u01b0\u1ee3c l\u1ea1i d\u00f2ng \u0111i\u1ec7n 1 chi\u1ec1u kh\u00f4ng t\u1ed3n t\u1ea1i \u0111\u1eb7c t\u00ednh v\u1ec1 pha v\u00e0 t\u1ea7n s\u1ed1.<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">V\u1ec1 m\u1ee9c \u0111\u1ed9 s\u1eed d\u1ee5ng:<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">D\u00f2ng \u0111i\u1ec7n 1 chi\u1ec1u \u0111a ph\u1ea7n \u0111\u00e1p \u1ee9ng t\u1ed1t cho h\u1ea7u h\u1ebft c\u00e1c m\u1ea1ch \u0111i\u1ec7n n\u00ean n\u00f3 g\u1ea7n nh\u01b0 l\u00e0 s\u1ef1 l\u1ef1a ch\u1ecdn t\u1ed1t cho m\u1ecdi ng\u01b0\u1eddi.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Khi s\u1eed d\u1ee5ng d\u00f2ng \u0111i\u1ec7n AC th\u00ec ch\u00fang ta c\u1ea7n quan t\u00e2m \u0111\u1ebfn vi\u1ec7c c\u00e1c m\u1ea1ch ch\u1ec9nh l\u01b0u, \u1ed5n \u00e1p. N\u00ean khi s\u1eed d\u1ee5ng th\u00ec ph\u00f9 h\u1ee3p cung c\u1ea5p cho c\u00e1c thi\u1ebft b\u1ecb b\u1ebfp, \u0111\u00e8n,&#8230;<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">K\u00fd hi\u1ec7u:\u00a0<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">D\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u \u0111\u01b0\u1ee3c vi\u1ebft t\u1eaft l\u00e0 AC v\u00e0 \u0111\u01b0\u1ee3c k\u00fd hi\u1ec7u b\u1eb1ng d\u1ea5u ng\u00e3 (~).\u00a0<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">C\u00f2n \u0111\u1ed1i v\u1edbi d\u00f2ng \u0111i\u1ec7n m\u1ed9t chi\u1ec1u vi\u1ebft t\u1eaft l\u00e0 DC v\u00e0 \u0111\u01b0\u1ee3c k\u00fd hi\u1ec7u b\u1edfi d\u1ea5u c\u1ed9ng, tr\u1eeb ( +, -)<\/p>\n<\/li>\n<\/ul>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Su_khac_nhau_giua_dong_dien_1_pha_va_3_pha\"><\/span>S\u1ef1 kh\u00e1c nhau gi\u1eefa d\u00f2ng \u0111i\u1ec7n 1 pha v\u00e0 3 pha<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\"><img loading=\"lazy\" decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/dong-dien-xoay-chieu-10.jpg\" alt=\"S\u1ef1 kh\u00e1c gi\u1eefa hai d\u00f2ng \u0111i\u1ec7n 1 pha v\u00e0 3 pha. (\u1ea2nh: Shining Home - Gia \u0111\u00ecnh Anh Ng\u1eef)\" width=\"800\" height=\"494\"><\/p>\n<p dir=\"ltr\">C\u00e1c em c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng ph\u00e2n bi\u1ec7t s\u1ef1 kh\u00e1c nhau gi\u1eefa d\u00f2ng \u0111i\u1ec7n 1 pha v\u00e0 3 pha th\u00f4ng qua hai t\u00ednh ch\u1ea5t sau:<\/p>\n<p dir=\"ltr\">V\u1ec1 hi\u1ec7u \u0111i\u1ec7n th\u1ebf:<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">T\u1ea1i Vi\u1ec7t Nam hi\u1ec7u \u0111i\u1ec7n th\u1ebf c\u1ee7a d\u00f2ng \u0111i\u1ec7n 1 pha l\u00e0 220V nh\u01b0ng t\u1ea1i m\u1ed9t s\u1ed1 n\u01b0\u1edbc kh\u00e1c nh\u01b0 Nh\u1eadt B\u1ea3n, \u0110\u00e0i Loan, M\u1ef9 \u0111i\u1ec7n \u00e1p 1 pha theo quy chu\u1ea9n th\u1ea5p h\u01a1n l\u00e0 100V, 110V, 120V,&#8230;<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">C\u0169ng gi\u1ed1ng nh\u01b0 d\u00f2ng \u0111i\u1ec7n 3 pha th\u00ec m\u1ed7i qu\u1ed1c gia l\u1ea1i c\u00f3 hi\u1ec7u \u0111i\u1ec7n th\u1ebf kh\u00e1c nhau v\u00ec t\u00f9y v\u00e0o c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng, kinh t\u1ebf v\u00e0 nhi\u1ec1u y\u1ebfu t\u1ed1 kh\u00e1c. T\u1ea1i Vi\u1ec7t Nam hi\u1ec7u \u0111i\u1ec7n th\u1ebf c\u1ee7a d\u00f2ng \u0111i\u1ec7n 3 pha l\u00e0 380V, M\u1ef9 l\u00e0 220V, Nh\u1eadt l\u00e0 200V.<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">\u0110\u1ed1i t\u01b0\u1ee3ng s\u1eed d\u1ee5ng:\u00a0<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">D\u00f2ng \u0111i\u1ec7n 1 pha th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u1edbi nh\u1eefng \u0111\u1ed3 v\u1eadt c\u00f3 c\u00f4ng su\u1ea5t nh\u1ecf, c\u00e1c thi\u1ebft b\u1ecb kh\u00f4ng hao t\u1ed1n \u0111i\u1ec7n n\u0103ng t\u1ea1i c\u00e1c h\u1ed9 gia \u0111\u00ecnh.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">V\u1edbi d\u00f2ng \u0111i\u1ec7n 3 pha th\u00ec s\u1eed d\u1ee5ng v\u1edbi nh\u1eefng thi\u1ebft b\u1ecb \u0111i\u1ec7n c\u00f3 c\u00f4ng su\u1ea5t l\u1edbn \u0111\u1ec3 gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 \u0111i\u1ec7n n\u0103ng t\u1ea1i c\u00e1c khu c\u00f4ng nghi\u1ec7p,&#8230; Ngo\u00e0i ra, d\u00f2ng \u0111i\u1ec7n 3 pha c\u0169ng \u0111\u01b0\u1ee3c nhi\u1ec1u h\u1ed9 gia \u0111\u00ecnh l\u1eafp \u0111\u1eb7t th\u00eam \u0111\u1ec3 l\u1ea5y \u0111\u1ea7u ra 220V 1 pha ph\u1ee5c v\u1ee5 cho sinh ho\u1ea1t.<\/p>\n<\/li>\n<\/ul>\n<p>Xem th\u00eam: M\u00e1y bi\u1ebfn th\u1ebf: C\u1ea5u t\u1ea1o, nguy\u00ean t\u1eafc ho\u1ea1t \u0111\u1ed9ng, c\u00f4ng d\u1ee5ng &amp; vai tr\u00f2 (ki\u1ebfn th\u1ee9c l\u00fd 9)<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Ung_dung_dong_dien_xoay_chieu_trong_doi_song\"><\/span>\u1ee8ng d\u1ee5ng d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u trong \u0111\u1eddi s\u1ed1ng<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">Ch\u00fang ta c\u00f3 th\u1ec3 th\u1ea5y \u0111i\u1ec7n xoay chi\u1ec1u c\u00f3 \u1edf kh\u1eafp m\u1ecdi n\u01a1i t\u1eeb gia \u0111\u00ecnh, trong c\u00f4ng nghi\u1ec7p, c\u00f4ng ngh\u1ec7 th\u00f4ng tin,&#8230; S\u1edf d\u0129 d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u ph\u1ed5 bi\u1ebfn l\u00e0 do n\u00f3 c\u00f3 th\u1ec3 truy\u1ec1n t\u1ea3i \u0111i\u1ec7n n\u0103ng \u0111i kho\u1ea3ng c\u00e1ch xa m\u1ed9t c\u00e1ch d\u1ec5 d\u00e0ng.\u00a0<\/p>\n<p dir=\"ltr\">H\u00e3y c\u00f9ng Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef t\u00ecm hi\u1ec3u r\u00f5 h\u01a1n nh\u1eefng \u1ee9ng d\u1ee5ng c\u1ee7a d\u00f2ng \u0111i\u1ec7n AC trong \u0111\u1eddi s\u1ed1ng h\u00e0ng ng\u00e0y nh\u00e9.<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Trong d\u00e2n d\u1ee5ng: Ng\u00e0y nay \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n xoay chi\u1ec1u c\u00f3 m\u1eb7t \u1edf h\u1ea7u h\u1ebft m\u1ecdi l\u0129nh v\u1ef1c, t\u1eeb c\u00e1c \u0111\u1ed9ng c\u01a1 nh\u1ecf c\u00f3 trong ch\u00ednh ng\u00f4i nh\u00e0 c\u1ee7a ch\u00fang ta nh\u01b0 l\u00f2 vi s\u00f3ng, m\u00e1y gi\u1eb7t, qu\u1ea1t \u0111i\u1ec7n,&#8230;<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">\u0110\u1ed1i v\u1edbi ng\u00e0nh c\u00f4ng ngh\u1ec7 th\u00f4ng tin: \u0110\u1ed9ng c\u01a1 \u0111i\u1ec7n xoay chi\u1ec1u th\u01b0\u1eddng th\u1ea5y nh\u1ea5t trong c\u00e1c thi\u1ebft b\u1ecb m\u00e1y t\u00ednh (trong c\u00e1c \u1ed5 c\u1ee9ng, \u1ed5 quang)v\u00e0 ch\u00fang th\u01b0\u1eddng l\u00e0 c\u00e1c \u0111\u1ed9ng c\u01a1 b\u01b0\u1edbc r\u1ea5t nh\u1ecf.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Ng\u00e0nh c\u00f4ng nghi\u1ec7p: D\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u gi\u00fap khai kho\u00e1ng, d\u1ea7u m\u1ecf, v\u1eadn h\u00e0nh c\u00e1c m\u00e1y m\u00f3c c\u00f4ng nghi\u1ec7p, c\u1ea7n tr\u1ee5c \u0111i\u1ec7n,&#8230;.<\/p>\n<\/li>\n<\/ul>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bai_tap_dong_dien_xoay_chieu_Vat_li_9_bai_33\"><\/span>B\u00e0i t\u1eadp d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u V\u1eadt l\u00ed 9 b\u00e0i 33\u00a0<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">\u0110\u1ec3 h\u1ecdc t\u1ed1t V\u1eadt l\u00ed l\u1edbp 9, d\u01b0\u1edbi \u0111\u00e2y Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef li\u1ec7t k\u00ea c\u00e1c b\u00e0i t\u1eadp V\u1eadt L\u00ed 9 trong b\u00e0i s\u1ed1 33: D\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u m\u1eddi c\u00e1c c\u00e1c em c\u00f9ng theo d\u00f5i.<\/p>\n<p dir=\"ltr\">B\u00e0i 1 trang 73 SBT V\u1eadt L\u00ed 9: Trong cu\u1ed9n d\u00e2y d\u1eabn k\u00edn xu\u1ea5t hi\u1ec7n d\u00f2ng \u0111i\u1ec7n c\u1ea3m \u1ee9ng xoay chi\u1ec1u khi s\u1ed1 \u0111\u01b0\u1eddng s\u1ee9c t\u1eeb xuy\u00ean qua ti\u1ebft di\u1ec7n S c\u1ee7a cu\u1ed9n d\u00e2y?<\/p>\n<ol style=\"list-style-type: upper-alpha\">\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">lu\u00f4n lu\u00f4n t\u0103ng<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">lu\u00f4n lu\u00f4n gi\u1ea3m<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">lu\u00e2n phi\u00ean t\u0103ng, gi\u1ea3m<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">lu\u00f4n lu\u00f4n kh\u00f4ng \u0111\u1ed5i<\/p>\n<\/li>\n<\/ol>\n<p dir=\"ltr\">L\u1eddi gi\u1ea3i: C. lu\u00e2n phi\u00ean t\u0103ng, gi\u1ea3m<\/p>\n<p dir=\"ltr\">B\u00e0i 2 trang 73 SBT V\u1eadt L\u00ed 9: Trong th\u00ed nghi\u1ec7m b\u1ed1 tr\u00ed nh\u01b0 h\u00ecnh 33.1 d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u xu\u1ea5t hi\u1ec7n trong cu\u1ed9n d\u00e2y d\u1eabn k\u00edn khi n\u00e0o?<\/p>\n<ol style=\"list-style-type: upper-alpha\">\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Khi nam ch\u00e2m \u0111\u1ee9ng y\u00ean, cu\u1ed9n d\u00e2y quay quanh tr\u1ee5c PQ<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Khi nam ch\u00e2m v\u00e0 cu\u1ed9n d\u00e2y \u0111\u1ec1u quay quanh tr\u1ee5c PQ<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Khi nam ch\u00e2m v\u00e0 cu\u1ed9n d\u00e2y chuy\u1ec3n \u0111\u1ed9ng th\u1eb3ng c\u00f9ng chi\u1ec1u v\u1edbi c\u00f9ng v\u1eadn t\u1ed1c.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Khi nam ch\u00e2m \u0111\u1ee9ng y\u00ean, cu\u1ed9n d\u00e2y d\u1eabn quanh tr\u1ee5c AB.<\/p>\n<\/li>\n<\/ol>\n<p dir=\"ltr\">L\u1eddi gi\u1ea3i: D. Khi nam ch\u00e2m \u0111\u1ee9ng y\u00ean, cu\u1ed9n d\u00e2y d\u1eabn quanh tr\u1ee5c AB.<\/p>\n<p dir=\"ltr\">B\u00e0i 3 trang 73 SBT V\u1eadt L\u00ed 9: Tr\u00ean h\u00ecnh 33.2 v\u1ebd m\u1ed9t khung d\u00e2y d\u1eabn k\u00edn \u0111\u1eb7t trong t\u1eeb tr\u01b0\u1eddng. Gi\u1ea3i th\u00edch v\u00ec sao khi cho khung d\u00e2y quay quanh tr\u1ee5c PQ n\u1eb1m ngang th\u00ec trong khung d\u00e2y kh\u00f4ng xu\u1ea5t hi\u1ec7n d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u.<\/p>\n<p dir=\"ltr\"><img loading=\"lazy\" decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/dong-dien-xoay-chieu-11.jpg\" alt=\"S\u1ef1 kh\u00e1c gi\u1eefa hai d\u00f2ng \u0111i\u1ec7n 1 pha v\u00e0 3 pha. (\u1ea2nh: Shining Home - Gia \u0111\u00ecnh Anh Ng\u1eef)\" width=\"371\" height=\"162\"><\/p>\n<p dir=\"ltr\">H\u00ecnh b\u00e0i \u1ea3nh b\u00e0i 3 SBT. (\u1ea2nh: S\u01b0u t\u1ea7m Internet)<\/p>\n<p dir=\"ltr\">L\u1eddi gi\u1ea3i: V\u00ec s\u1ed1 \u0111\u01b0\u1eddng s\u1ee9c t\u1eeb xuy\u00ean qua ti\u1ebft di\u1ec7n S c\u1ee7a khung d\u00e2y d\u1eabn kh\u00f4ng bi\u1ebfn \u0111\u1ed5i n\u00ean kh\u00f4ng xu\u1ea5t d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u.<\/p>\n<p dir=\"ltr\">Nh\u01b0 v\u1eady, th\u00f4ng qua b\u00e0i vi\u1ebft n\u00e0y ch\u00fang ta \u0111\u00e3 hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u l\u00e0 g\u00ec, c\u00e1ch t\u1ea1o ra d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u v\u00e0 nh\u1eefng \u1ee9ng d\u1ee5ng trong th\u1ef1c t\u1ebf c\u1ee7a d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u v\u00e0 c\u00f9ng th\u1ef1c h\u00e0nh m\u1ed9t s\u1ed1 b\u00e0i c\u01a1 b\u1ea3n trong s\u00e1ch b\u00e0i t\u1eadp V\u1eadt l\u00ed 9. Hy v\u1ecdng nh\u1eefng th\u00f4ng tin n\u00e0y s\u1ebd gi\u00fap c\u00e1c em n\u1eafm v\u1eefng c\u0169ng nh\u01b0 c\u1ee7ng c\u1ed1 \u0111\u01b0\u1ee3c ki\u1ebfn th\u1ee9c v\u1eeba h\u1ecdc m\u1ed9t c\u00e1ch t\u1ed1t nh\u1ea5t. H\u00e3y theo d\u00f5i chuy\u00ean m\u1ee5c ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n \u0111\u1ec3 c\u00f3 th\u1ec3 t\u00ecm\u00a0 hi\u1ec3u th\u00eam nhi\u1ec1u th\u00f4ng tin th\u00fa v\u1ecb v\u1ec1 c\u00e1c m\u00f4n h\u1ecdc nh\u00e9!<\/p>\n<p>Ngu\u1ed3n: <a href=\"http:\/\/www.ckconitsha.com\/vn\/\">http:\/\/www.ckconitsha.com\/vn\/<\/a> T\u00e1c gi\u1ea3: <a href=\"https:\/\/www.ckconitsha.com\/vn\/author\/nguyenlandung\">Nguy\u1ec5n L\u00e2n d\u0169ng<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>D\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u l\u00e0 d\u00f2ng \u0111i\u1ec7n kh\u00f4ng ch\u1ec9 r\u1ea5t quen thu\u1ed9c trong \u0111\u1eddi s\u1ed1ng th\u1ef1c t\u1ebf c\u1ee7a ch\u00fang ta m\u00e0 n\u00f3 c\u00f2n v\u00f4 c\u00f9ng ph\u1ed5 bi\u1ebfn c\u1ea3 trong l\u00fd thuy\u1ebft. H\u00e3y c\u00f9ng Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef t\u00ecm hi\u1ec3u c\u00e1c kh\u00e1i ni\u1ec7m li\u00ean quan \u0111\u1ebfn d\u00f2ng \u0111i\u1ec7n n\u00e0y, c\u00e1ch t\u1ea1o c\u0169ng nh\u01b0&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[100],"tags":[],"class_list":["post-19331","post","type-post","status-publish","format-standard","hentry","category-kien-thuc"],"_links":{"self":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/19331","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/comments?post=19331"}],"version-history":[{"count":2,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/19331\/revisions"}],"predecessor-version":[{"id":25561,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/19331\/revisions\/25561"}],"wp:attachment":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/media?parent=19331"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/categories?post=19331"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/tags?post=19331"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}