{"id":29744,"date":"2023-09-16T22:29:46","date_gmt":"2023-09-16T15:29:46","guid":{"rendered":"https:\/\/ungdung.hotronghiencuu.com\/open\/dong-dien-xoay-chieu-la-gi"},"modified":"2023-09-16T22:29:46","modified_gmt":"2023-09-16T15:29:46","slug":"dong-dien-xoay-chieu-la-gi","status":"publish","type":"post","link":"https:\/\/ungdung.hotronghiencuu.com\/open\/dong-dien-xoay-chieu-la-gi","title":{"rendered":"D\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u: T\u00ecm hi\u1ec3u \u00fd ngh\u0129a, t\u00e1c d\u1ee5ng v\u00e0 \u1ee9ng d\u1ee5ng trong \u0111\u1eddi s\u1ed1ng"},"content":{"rendered":"<p>D\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u l\u00e0 m\u1ed9t lo\u1ea1i d\u00f2ng \u0111i\u1ec7n thay \u0111\u1ed5i h\u01b0\u1edbng li\u00ean t\u1ee5c theo th\u1eddi gian, th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng \u0111i\u1ec7n. \u0110i\u1ec7n xoay chi\u1ec1u c\u00f3 t\u1ea7n s\u1ed1 v\u00e0 bi\u00ean \u0111\u1ed9 thay \u0111\u1ed5i, mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch v\u00e0 ti\u1ec7n \u00edch cho vi\u1ec7c truy\u1ec1n t\u1ea3i v\u00e0 s\u1eed d\u1ee5ng \u0111i\u1ec7n.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_40 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\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" area-label=\"ez-toc-toggle-icon-1\"><label for=\"item-6ace7e54b7cd6\" aria-label=\"Table of Content\"><span style=\"display: flex;align-items: center;width: 35px;height: 30px;justify-content: center;direction:ltr;\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/label><input  type=\"checkbox\" id=\"item-6ace7e54b7cd6\"><\/a><\/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:\/\/ungdung.hotronghiencuu.com\/open\/dong-dien-xoay-chieu-la-gi\/#1_Dong_dien_xoay_chieu_la_gi\" title=\"1. D\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u l\u00e0 g\u00ec?\">1. D\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u l\u00e0 g\u00ec?<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/dong-dien-xoay-chieu-la-gi\/#Huong_di_chuyen_cua_cac_hat_dien_tu_trong_dong_dien_xoay_chieu\" title=\"H\u01b0\u1edbng di chuy\u1ec3n c\u1ee7a c\u00e1c h\u1ea1t \u0111i\u1ec7n t\u1eed trong d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u:\">H\u01b0\u1edbng di chuy\u1ec3n c\u1ee7a c\u00e1c h\u1ea1t \u0111i\u1ec7n t\u1eed trong 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-3\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/dong-dien-xoay-chieu-la-gi\/#So_lan_thay_doi_huong_trong_mot_giay\" title=\"S\u1ed1 l\u1ea7n thay \u0111\u1ed5i h\u01b0\u1edbng trong m\u1ed9t gi\u00e2y:\">S\u1ed1 l\u1ea7n thay \u0111\u1ed5i h\u01b0\u1edbng trong m\u1ed9t gi\u00e2y:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/dong-dien-xoay-chieu-la-gi\/#2_Cach_de_tao_ra_dong_dien_xoay_chieu\" title=\"2. C\u00e1ch \u0111\u1ec3 t\u1ea1o ra d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u?\">2. C\u00e1ch \u0111\u1ec3 t\u1ea1o ra 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-5\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/dong-dien-xoay-chieu-la-gi\/#21_Dong_co_dien_xoay_chieu\" title=\"2.1 \u0110\u1ed9ng c\u01a1 \u0111i\u1ec7n xoay chi\u1ec1u\">2.1 \u0110\u1ed9ng c\u01a1 \u0111i\u1ec7n xoay chi\u1ec1u<\/a><ul class='ez-toc-list-level-4'><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/dong-dien-xoay-chieu-la-gi\/#Cac_buoc_de_tao_ra_dong_dien_xoay_chieu\" title=\"C\u00e1c b\u01b0\u1edbc \u0111\u1ec3 t\u1ea1o ra d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u:\">C\u00e1c b\u01b0\u1edbc \u0111\u1ec3 t\u1ea1o ra d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/dong-dien-xoay-chieu-la-gi\/#22_Chuyen_doi_dong_dien_mot_chieu_thanh_dong_dien_xoay_chieu\" title=\"2.2 Chuy\u1ec3n \u0111\u1ed5i d\u00f2ng \u0111i\u1ec7n m\u1ed9t chi\u1ec1u th\u00e0nh d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u\">2.2 Chuy\u1ec3n \u0111\u1ed5i d\u00f2ng \u0111i\u1ec7n m\u1ed9t chi\u1ec1u th\u00e0nh d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u<\/a><ul class='ez-toc-list-level-4'><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/dong-dien-xoay-chieu-la-gi\/#Cac_buoc_de_chuyen_doi_dong_dien_mot_chieu_thanh_dong_dien_xoay_chieu\" title=\"C\u00e1c b\u01b0\u1edbc \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i d\u00f2ng \u0111i\u1ec7n m\u1ed9t chi\u1ec1u th\u00e0nh d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u:\">C\u00e1c b\u01b0\u1edbc \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i d\u00f2ng \u0111i\u1ec7n m\u1ed9t chi\u1ec1u th\u00e0nh d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u:<\/a><\/li><\/ul><\/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:\/\/ungdung.hotronghiencuu.com\/open\/dong-dien-xoay-chieu-la-gi\/#3_Ung_dung_cua_dong_dien_xoay_chieu_va_cach_phan_biet_voi_dong_dien_mot_chieu_la_gi\" title=\"3. \u1ee8ng d\u1ee5ng c\u1ee7a d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u v\u00e0 c\u00e1ch ph\u00e2n bi\u1ec7t v\u1edbi d\u00f2ng \u0111i\u1ec7n m\u1ed9t chi\u1ec1u l\u00e0 g\u00ec?\">3. \u1ee8ng d\u1ee5ng c\u1ee7a d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u v\u00e0 c\u00e1ch ph\u00e2n bi\u1ec7t v\u1edbi d\u00f2ng \u0111i\u1ec7n m\u1ed9t chi\u1ec1u l\u00e0 g\u00ec?<\/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:\/\/ungdung.hotronghiencuu.com\/open\/dong-dien-xoay-chieu-la-gi\/#31_Cung_cap_nang_luong_cho_he_thong_dien_trong_nha_va_cong_ty\" title=\"3.1 Cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho h\u1ec7 th\u1ed1ng \u0111i\u1ec7n trong nh\u00e0 v\u00e0 c\u00f4ng ty\">3.1 Cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho h\u1ec7 th\u1ed1ng \u0111i\u1ec7n trong nh\u00e0 v\u00e0 c\u00f4ng ty<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/dong-dien-xoay-chieu-la-gi\/#32_Ung_dung_trong_cong_nghiep\" title=\"3.2 \u1ee8ng d\u1ee5ng trong c\u00f4ng nghi\u1ec7p\">3.2 \u1ee8ng d\u1ee5ng trong c\u00f4ng nghi\u1ec7p<\/a><ul class='ez-toc-list-level-4'><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/dong-dien-xoay-chieu-la-gi\/#Su_phan_biet_giua_dong_dien_xoay_chieu_va_dong_dien_mot_chieu\" title=\"S\u1ef1 ph\u00e2n bi\u1ec7t gi\u1eefa d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u v\u00e0 d\u00f2ng \u0111i\u1ec7n m\u1ed9t chi\u1ec1u:\">S\u1ef1 ph\u00e2n bi\u1ec7t gi\u1eefa d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u v\u00e0 d\u00f2ng \u0111i\u1ec7n m\u1ed9t chi\u1ec1u:<\/a><\/li><\/ul><\/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:\/\/ungdung.hotronghiencuu.com\/open\/dong-dien-xoay-chieu-la-gi\/#4_Cong_suat_dong_dien_xoay_chieu_va_cach_tinh\" title=\"4. C\u00f4ng su\u1ea5t d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u v\u00e0 c\u00e1ch t\u00ednh\">4. C\u00f4ng su\u1ea5t d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u v\u00e0 c\u00e1ch t\u00ednh<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/dong-dien-xoay-chieu-la-gi\/#Cong_suat_dong_dien_xoay_chieu\" title=\"C\u00f4ng su\u1ea5t d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u\">C\u00f4ng su\u1ea5t d\u00f2ng \u0111i\u1ec7n 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-15\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/dong-dien-xoay-chieu-la-gi\/#5_Chu_ky_va_tan_so_cua_dong_dien_xoay_chieu\" title=\"5. Chu k\u1ef3 v\u00e0 t\u1ea7n s\u1ed1 c\u1ee7a d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u\">5. Chu k\u1ef3 v\u00e0 t\u1ea7n s\u1ed1 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-16\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/dong-dien-xoay-chieu-la-gi\/#Chu_ky_cua_dong_dien_xoay_chieu\" title=\"Chu k\u1ef3 c\u1ee7a d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u\">Chu k\u1ef3 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-17\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/dong-dien-xoay-chieu-la-gi\/#Tan_so_cua_dong_dien_xoay_chieu\" title=\"T\u1ea7n s\u1ed1 c\u1ee7a d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u\">T\u1ea7n s\u1ed1 c\u1ee7a d\u00f2ng \u0111i\u1ec7n 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-18\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/dong-dien-xoay-chieu-la-gi\/#6_Tac_dung_cua_dong_dien_xoay_chieu_nhiet_phat_sang_tu\" title=\"6. T\u00e1c d\u1ee5ng c\u1ee7a d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u (nhi\u1ec7t, ph\u00e1t s\u00e1ng, t\u1eeb)\">6. T\u00e1c d\u1ee5ng c\u1ee7a d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u (nhi\u1ec7t, ph\u00e1t s\u00e1ng, t\u1eeb)<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/dong-dien-xoay-chieu-la-gi\/#Tac_dung_nhiet_cua_dong_dien_xoay_chieu\" title=\"T\u00e1c d\u1ee5ng nhi\u1ec7t c\u1ee7a d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u\">T\u00e1c d\u1ee5ng nhi\u1ec7t 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-20\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/dong-dien-xoay-chieu-la-gi\/#Tac_dung_phat_sang_cua_dong_dien_xoay_chieu\" title=\"T\u00e1c d\u1ee5ng ph\u00e1t s\u00e1ng c\u1ee7a d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u\">T\u00e1c d\u1ee5ng ph\u00e1t s\u00e1ng 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-21\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/dong-dien-xoay-chieu-la-gi\/#Tac_dung_tu_cua_dong_dien_xoay_chieu\" title=\"T\u00e1c d\u1ee5ng t\u1eeb c\u1ee7a d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u\">T\u00e1c d\u1ee5ng t\u1eeb c\u1ee7a d\u00f2ng \u0111i\u1ec7n 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-22\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/dong-dien-xoay-chieu-la-gi\/#7_Diem_khac_nhau_giua_dong_dien_xoay_chieu_va_dong_dien_mot_chieu\" title=\"7. \u0110i\u1ec3m kh\u00e1c nhau gi\u1eefa d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u v\u00e0 d\u00f2ng \u0111i\u1ec7n m\u1ed9t chi\u1ec1u\">7. \u0110i\u1ec3m kh\u00e1c nhau gi\u1eefa d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u v\u00e0 d\u00f2ng \u0111i\u1ec7n m\u1ed9t 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-23\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/dong-dien-xoay-chieu-la-gi\/#Diem_khac_nhau_ve_huong_dong_dien\" title=\"\u0110i\u1ec3m kh\u00e1c nhau v\u1ec1 h\u01b0\u1edbng d\u00f2ng \u0111i\u1ec7n\">\u0110i\u1ec3m kh\u00e1c nhau v\u1ec1 h\u01b0\u1edbng d\u00f2ng \u0111i\u1ec7n<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/dong-dien-xoay-chieu-la-gi\/#Diem_khac_nhau_ve_bieu_do_song\" title=\"\u0110i\u1ec3m kh\u00e1c nhau v\u1ec1 bi\u1ec3u \u0111\u1ed3 s\u00f3ng\">\u0110i\u1ec3m kh\u00e1c nhau v\u1ec1 bi\u1ec3u \u0111\u1ed3 s\u00f3ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/dong-dien-xoay-chieu-la-gi\/#Diem_khac_nhau_ve_ung_dung\" title=\"\u0110i\u1ec3m kh\u00e1c nhau v\u1ec1 \u1ee9ng d\u1ee5ng\">\u0110i\u1ec3m kh\u00e1c nhau v\u1ec1 \u1ee9ng d\u1ee5ng<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/dong-dien-xoay-chieu-la-gi\/#8_Ung_dung_cua_dien_xoay_chieu_trong_doi_song\" title=\"8. \u1ee8ng d\u1ee5ng c\u1ee7a \u0111i\u1ec7n xoay chi\u1ec1u trong \u0111\u1eddi s\u1ed1ng\">8. \u1ee8ng d\u1ee5ng c\u1ee7a \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-27\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/dong-dien-xoay-chieu-la-gi\/#9_Su_khac_nhau_giua_dong_dien_1_pha_va_3_pha\" title=\"9. S\u1ef1 kh\u00e1c nhau gi\u1eefa d\u00f2ng \u0111i\u1ec7n 1 pha v\u00e0 3 pha\">9. S\u1ef1 kh\u00e1c nhau gi\u1eefa d\u00f2ng \u0111i\u1ec7n 1 pha v\u00e0 3 pha<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/dong-dien-xoay-chieu-la-gi\/#So_luong_day\" title=\"S\u1ed1 l\u01b0\u1ee3ng d\u00e2y\">S\u1ed1 l\u01b0\u1ee3ng d\u00e2y<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/dong-dien-xoay-chieu-la-gi\/#Diem_khac_nhau_ve_bieu_do_song-2\" title=\"\u0110i\u1ec3m kh\u00e1c nhau v\u1ec1 bi\u1ec3u \u0111\u1ed3 s\u00f3ng\">\u0110i\u1ec3m kh\u00e1c nhau v\u1ec1 bi\u1ec3u \u0111\u1ed3 s\u00f3ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-30\" href=\"https:\/\/ungdung.hotronghiencuu.com\/open\/dong-dien-xoay-chieu-la-gi\/#Ung_dung\" title=\"\u1ee8ng d\u1ee5ng\">\u1ee8ng d\u1ee5ng<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"1_Dong_dien_xoay_chieu_la_gi\"><\/span>1. D\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>D\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u<\/strong> (AC) l\u00e0 lo\u1ea1i d\u00f2ng \u0111i\u1ec7n m\u00e0 h\u01b0\u1edbng v\u00e0 \u0111\u1ed9 l\u1edbn c\u1ee7a d\u00f2ng \u0111i\u1ec7n thay \u0111\u1ed5i theo th\u1eddi gian. Trong d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u, c\u00e1c h\u1ea1t \u0111i\u1ec7n t\u1eed di chuy\u1ec3n qua l\u1ea1i trong m\u1ed9t h\u01b0\u1edbng v\u00e0 sau \u0111\u00f3 \u0111\u1ed5i h\u01b0\u1edbng \u0111\u1ec3 di chuy\u1ec3n theo h\u01b0\u1edbng ng\u01b0\u1ee3c l\u1ea1i. \u0110i\u1ec1u n\u00e0y t\u1ea1o ra m\u1ed9t chu k\u1ef3 ho\u1eb7c v\u00f2ng l\u1eb7p li\u00ean t\u1ee5c c\u1ee7a d\u00f2ng \u0111i\u1ec7n, v\u1edbi hai pha c\u1ee7a chu k\u1ef3 \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 &#8220;d\u01b0\u01a1ng&#8221; v\u00e0 &#8220;\u00e2m&#8221;. D\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c \u1ee9ng d\u1ee5ng c\u00f4ng nghi\u1ec7p v\u00e0 gia \u0111\u00ecnh.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Huong_di_chuyen_cua_cac_hat_dien_tu_trong_dong_dien_xoay_chieu\"><\/span>H\u01b0\u1edbng di chuy\u1ec3n c\u1ee7a c\u00e1c h\u1ea1t \u0111i\u1ec7n t\u1eed trong d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li>Trong pha &#8220;d\u01b0\u01a1ng&#8221;, c\u00e1c h\u1ea1t \u0111i\u1ec7n t\u1eed di chuy\u1ec3n t\u1eeb c\u1ef1c \u00e2m (\u0111i\u1ec3m y\u1ebfu) \u0111\u1ebfn c\u1ef1c d\u01b0\u01a1ng (\u0111i\u1ec3m m\u1ea1nh).<\/li>\n<li>Trong pha &#8220;\u00e2m&#8221;, c\u00e1c h\u1ea1t \u0111i\u1ec7n t\u1eed di chuy\u1ec3n t\u1eeb c\u1ef1c d\u01b0\u01a1ng \u0111\u1ebfn c\u1ef1c \u00e2m.<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"So_lan_thay_doi_huong_trong_mot_giay\"><\/span>S\u1ed1 l\u1ea7n thay \u0111\u1ed5i h\u01b0\u1edbng trong m\u1ed9t gi\u00e2y:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>T\u1ea7n s\u1ed1 c\u1ee7a d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng hertz (Hz), \u0111\u1ea1i di\u1ec7n cho s\u1ed1 l\u1ea7n thay \u0111\u1ed5i h\u01b0\u1edbng trong m\u1ed9t gi\u00e2y. V\u00ed d\u1ee5, n\u1ebfu t\u1ea7n s\u1ed1 c\u1ee7a d\u00f2ng \u0111i\u1ec7n l\u00e0 50 Hz, \u0111i\u1ec7n \u00e1p v\u00e0 d\u00f2ng \u0111i\u1ec7n s\u1ebd thay \u0111\u1ed5i h\u01b0\u1edbng 50 l\u1ea7n m\u1ed7i gi\u00e2y.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"2_Cach_de_tao_ra_dong_dien_xoay_chieu\"><\/span>2. C\u00e1ch \u0111\u1ec3 t\u1ea1o ra d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"21_Dong_co_dien_xoay_chieu\"><\/span>2.1 \u0110\u1ed9ng c\u01a1 \u0111i\u1ec7n xoay chi\u1ec1u<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0110\u1ec3 t\u1ea1o ra d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u, ch\u00fang ta c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n xoay chi\u1ec1u. \u0110\u1ed9ng c\u01a1 n\u00e0y ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch bi\u1ebfn \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng \u0111i\u1ec7n th\u00e0nh n\u0103ng l\u01b0\u1ee3ng c\u01a1 h\u1ecdc th\u00f4ng qua nguy\u00ean t\u1eafc c\u1ee7a t\u1eeb tr\u01b0\u1eddng v\u00e0 d\u00f2ng \u0111i\u1ec7n.<\/p>\n<p>Khi m\u1ed9t d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng v\u00e0o cu\u1ed9n c\u1ea3m trong \u0111\u1ed9ng c\u01a1, n\u00f3 t\u1ea1o ra t\u1eeb tr\u01b0\u1eddng quanh cu\u1ed9n c\u1ea3m. T\u1eeb tr\u01b0\u1eddng n\u00e0y s\u1ebd t\u01b0\u01a1ng t\u00e1c v\u1edbi t\u1eeb tr\u01b0\u1eddng t\u1eeb nam ch\u00e2m \u1edf g\u1ea7n v\u00e0 l\u00e0m cho rotor (ph\u1ea7n quay) trong \u0111\u1ed9ng c\u01a1 quay theo m\u1ed9t h\u01b0\u1edbng nh\u1ea5t \u0111\u1ecbnh.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Cac_buoc_de_tao_ra_dong_dien_xoay_chieu\"><\/span>C\u00e1c b\u01b0\u1edbc \u0111\u1ec3 t\u1ea1o ra d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u:<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ol>\n<li>B\u01b0\u1edbc 1: S\u1eed d\u1ee5ng ngu\u1ed3n \u0111i\u1ec7n xoay chi\u1ec1u, v\u00ed d\u1ee5 nh\u01b0 pin AC ho\u1eb7c ngu\u1ed3n AC t\u1eeb l\u01b0\u1edbi \u0111i\u1ec7n.<\/li>\n<li>B\u01b0\u1edbc 2: \u00c1p d\u1ee5ng ngu\u1ed3n AC v\u00e0o cu\u1ed9n c\u1ea3m trong m\u1ea1ch.<\/li>\n<li>B\u01b0\u1edbc 3: T\u1eeb tr\u01b0\u1eddng \u0111\u01b0\u1ee3c t\u1ea1o ra t\u1eeb cu\u1ed9n c\u1ea3m t\u01b0\u01a1ng t\u00e1c v\u1edbi t\u1eeb tr\u01b0\u1eddng t\u1eeb nam ch\u00e2m \u1edf g\u1ea7n.<\/li>\n<li>B\u01b0\u1edbc 4: T\u1eeb tr\u01b0\u1eddng t\u1ea1o ra s\u1ebd l\u00e0m cho rotor trong \u0111\u1ed9ng c\u01a1 quay theo m\u1ed9t h\u01b0\u1edbng nh\u1ea5t \u0111\u1ecbnh.<\/li>\n<\/ol>\n<h3><span class=\"ez-toc-section\" id=\"22_Chuyen_doi_dong_dien_mot_chieu_thanh_dong_dien_xoay_chieu\"><\/span>2.2 Chuy\u1ec3n \u0111\u1ed5i d\u00f2ng \u0111i\u1ec7n m\u1ed9t chi\u1ec1u th\u00e0nh d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Ch\u00fang ta c\u0169ng c\u00f3 th\u1ec3 chuy\u1ec3n \u0111\u1ed5i d\u00f2ng \u0111i\u1ec7n m\u1ed9t chi\u1ec1u th\u00e0nh d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng c\u00e1c thi\u1ebft b\u1ecb nh\u01b0 bi\u1ebfn t\u1ea7n (inverter) ho\u1eb7c m\u00e1y ph\u00e1t \u0111i\u1ec7n xoay chi\u1ec1u.<\/p>\n<p>Bi\u1ebfn t\u1ea7n l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb c\u00f3 kh\u1ea3 n\u0103ng chuy\u1ec3n \u0111\u1ed5i ngu\u1ed3n \u0111i\u1ec7n m\u1ed9t chi\u1ec1u th\u00e0nh ngu\u1ed3n \u0111i\u1ec7n xoay chi\u1ec1u. N\u00f3 ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch bi\u1ebfn \u0111\u1ed5i d\u00f2ng \u0111i\u1ec7n m\u1ed9t chi\u1ec1u th\u00e0nh d\u1ea1ng s\u00f3ng xo\u1eafn \u1ed1c, gi\u1ed1ng nh\u01b0 d\u1ea1ng s\u00f3ng c\u1ee7a ngu\u1ed3n AC.<\/p>\n<p>M\u00e1y ph\u00e1t \u0111i\u1ec7n xoay chi\u1ec1u l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb c\u00f3 kh\u1ea3 n\u0103ng chuy\u1ec3n \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng c\u01a1 h\u1ecdc th\u00e0nh n\u0103ng l\u01b0\u1ee3ng \u0111i\u1ec7n. Khi m\u00e1y ph\u00e1t n\u00e0y quay, n\u00f3 t\u1ea1o ra d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u th\u00f4ng qua nguy\u00ean t\u1eafc c\u1ee7a t\u1eeb tr\u01b0\u1eddng v\u00e0 d\u00f2ng \u0111i\u1ec7n.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Cac_buoc_de_chuyen_doi_dong_dien_mot_chieu_thanh_dong_dien_xoay_chieu\"><\/span>C\u00e1c b\u01b0\u1edbc \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i d\u00f2ng \u0111i\u1ec7n m\u1ed9t chi\u1ec1u th\u00e0nh d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u:<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ol>\n<li>B\u01b0\u1edbc 1: S\u1eed d\u1ee5ng ngu\u1ed3n \u0111i\u1ec7n m\u1ed9t chi\u1ec1u, v\u00ed d\u1ee5 nh\u01b0 pin DC ho\u1eb7c ngu\u1ed3n DC t\u1eeb l\u01b0\u1edbi \u0111i\u1ec7n.<\/li>\n<li>B\u01b0\u1edbc 2: \u00c1p d\u1ee5ng ngu\u1ed3n DC v\u00e0o bi\u1ebfn t\u1ea7n ho\u1eb7c m\u00e1y ph\u00e1t \u0111i\u1ec7n xoay chi\u1ec1u.<\/li>\n<li>B\u01b0\u1edbc 3: Bi\u1ebfn t\u1ea7n ho\u1eb7c m\u00e1y ph\u00e1t s\u1ebd chuy\u1ec3n \u0111\u1ed5i ngu\u1ed3n DC th\u00e0nh ngu\u1ed3n AC, t\u1ea1o ra d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u.<\/li>\n<\/ol>\n<h2><span class=\"ez-toc-section\" id=\"3_Ung_dung_cua_dong_dien_xoay_chieu_va_cach_phan_biet_voi_dong_dien_mot_chieu_la_gi\"><\/span>3. \u1ee8ng d\u1ee5ng c\u1ee7a d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u v\u00e0 c\u00e1ch ph\u00e2n bi\u1ec7t v\u1edbi d\u00f2ng \u0111i\u1ec7n m\u1ed9t chi\u1ec1u l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>D\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u c\u00f3 nhi\u1ec1u \u1ee9ng d\u1ee5ng quan tr\u1ecdng trong cu\u1ed9c s\u1ed1ng h\u00e0ng ng\u00e0y v\u00e0 c\u00e1c l\u0129nh v\u1ef1c c\u00f4ng nghi\u1ec7p. M\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng c\u1ee7a n\u00f3 bao g\u1ed3m:<\/p>\n<h3><span class=\"ez-toc-section\" id=\"31_Cung_cap_nang_luong_cho_he_thong_dien_trong_nha_va_cong_ty\"><\/span>3.1 Cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho h\u1ec7 th\u1ed1ng \u0111i\u1ec7n trong nh\u00e0 v\u00e0 c\u00f4ng ty<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>D\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho c\u00e1c thi\u1ebft b\u1ecb v\u00e0 h\u1ec7 th\u1ed1ng trong nh\u00e0 v\u00e0 c\u00f4ng ty, bao g\u1ed3m \u0111\u00e8n chi\u1ebfu s\u00e1ng, m\u00e1y t\u00ednh, m\u00e1y l\u1ea1nh, m\u00e1y gi\u1eb7t v\u00e0 nhi\u1ec1u thi\u1ebft b\u1ecb kh\u00e1c. H\u1ea7u h\u1ebft c\u00e1c ng\u00f4i nh\u00e0 v\u00e0 t\u00f2a nh\u00e0 v\u0103n ph\u00f2ng \u0111\u1ec1u \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi l\u01b0\u1edbi \u0111i\u1ec7n xoay chi\u1ec1u \u0111\u1ec3 cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng li\u00ean t\u1ee5c.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"32_Ung_dung_trong_cong_nghiep\"><\/span>3.2 \u1ee8ng d\u1ee5ng trong c\u00f4ng nghi\u1ec7p<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>D\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u01b0 s\u1ea3n xu\u1ea5t \u00f4 t\u00f4, s\u1ea3n xu\u1ea5t th\u00e9p, s\u1ea3n xu\u1ea5t gi\u1ea5y v\u00e0 nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p kh\u00e1c. N\u00f3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 cung c\u1ea5p n\u0103ng l\u01b0\u1ee3ng cho c\u00e1c m\u00e1y m\u00f3c v\u00e0 thi\u1ebft b\u1ecb trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Su_phan_biet_giua_dong_dien_xoay_chieu_va_dong_dien_mot_chieu\"><\/span>S\u1ef1 ph\u00e2n bi\u1ec7t gi\u1eefa d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u v\u00e0 d\u00f2ng \u0111i\u1ec7n m\u1ed9t chi\u1ec1u:<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<ul>\n<li>D\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u thay \u0111\u1ed5i h\u01b0\u1edbng d\u00f2ng li\u00ean t\u1ee5c theo th\u1eddi gian, trong khi d\u00f2ng \u0111i\u1ec7n m\u1ed9t chi\u1ec1u ch\u1ec9 ch\u1ea3y theo m\u1ed9t h\u01b0\u1edbng duy nh\u1ea5t.<\/li>\n<li>D\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u c\u00f3 t\u1ea7n s\u1ed1 cao (th\u01b0\u1eddng l\u00e0 50Hz ho\u1eb7c 60Hz), trong khi d\u00f2ng \u0111i\u1ec7n m\u1ed9t chi\u1ec1u kh\u00f4ng c\u00f3 t\u1ea7n s\u1ed1.<\/li>\n<li>D\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c h\u1ec7 th\u1ed1ng \u0111i\u1ec7n l\u1edbn nh\u01b0 l\u01b0\u1edbi \u0111i\u1ec7n, trong khi d\u00f2ng \u0111i\u1ec7n m\u1ed9t chi\u1ec1u th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c thi\u1ebft b\u1ecb nh\u1ecf v\u00e0 \u0111\u01a1n gi\u1ea3n h\u01a1n.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"4_Cong_suat_dong_dien_xoay_chieu_va_cach_tinh\"><\/span>4. C\u00f4ng su\u1ea5t d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u v\u00e0 c\u00e1ch t\u00ednh<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Cong_suat_dong_dien_xoay_chieu\"><\/span>C\u00f4ng su\u1ea5t d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>C\u00f4ng su\u1ea5t d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u l\u00e0 kh\u1ea3 n\u0103ng c\u1ee7a m\u1ed9t h\u1ec7 th\u1ed1ng \u0111i\u1ec7n xoay chi\u1ec1u \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00f4ng vi\u1ec7c ho\u1eb7c s\u1ea3n xu\u1ea5t n\u0103ng l\u01b0\u1ee3ng. C\u00f4ng su\u1ea5t \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng \u0111\u01a1n v\u1ecb watt (W). Trong m\u1ed9t m\u1ea1ch \u0111i\u1ec7n xoay chi\u1ec1u, c\u00f4ng su\u1ea5t c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh hai lo\u1ea1i: c\u00f4ng su\u1ea5t bi\u1ec3u ki\u1ebfn v\u00e0 c\u00f4ng su\u1ea5t th\u1ef1c.<\/p>\n<p>&#8211; C\u00f4ng su\u1ea5t bi\u1ec3u ki\u1ebfn (S): \u0110\u00e2y l\u00e0 t\u1ed5ng c\u1ee7a c\u00f4ng su\u1ea5t th\u1ef1c (P) v\u00e0 c\u00f4ng su\u1ea5t ph\u1ea3n kh\u00e1ng (Q). C\u00f4ng su\u1ea5t bi\u1ec3u ki\u1ebfn \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng \u0111\u01a1n v\u1ecb volt-ampe (VA).<\/p>\n<p>&#8211; C\u00f4ng su\u1ea5t th\u1ef1c (P): \u0110\u00e2y l\u00e0 ph\u1ea7n c\u1ee7a c\u00f4ng su\u1ea5t bi\u1ec3u ki\u1ebfn m\u00e0 th\u1ef1c s\u1ef1 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00f4ng vi\u1ec7c. C\u00f4ng su\u1ea5t th\u1ef1c \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng \u0111\u01a1n v\u1ecb watt (W).<\/p>\n<p>&#8211; C\u00f4ng su\u1ea5t ph\u1ea3n kh\u00e1ng (Q): \u0110\u00e2y l\u00e0 ph\u1ea7n c\u1ee7a c\u00f4ng su\u1ea5t bi\u1ec3u ki\u1ebfn kh\u00f4ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00f4ng vi\u1ec7c, m\u00e0 ch\u1ec9 t\u1ea1o ra c\u00e1c y\u1ebfu t\u1ed1 ph\u1ea3n kh\u00e1ng trong h\u1ec7 th\u1ed1ng. C\u00f4ng su\u1ea5t ph\u1ea3n kh\u00e1ng \u0111\u01b0\u1ee3c \u0111o b\u1eb1ng \u0111\u01a1n v\u1ecb volt-ampe ph\u1ea3n kh\u00e1ng (VAR).<\/p>\n<p>C\u00e1ch t\u00ednh c\u00f4ng su\u1ea5t d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u ph\u1ee5 thu\u1ed9c v\u00e0o lo\u1ea1i m\u1ea1ch v\u00e0 c\u00e1c th\u00f4ng s\u1ed1 c\u1ee7a n\u00f3. Tuy nhi\u00ean, c\u00f4ng th\u1ee9c chung \u0111\u1ec3 t\u00ednh c\u00f4ng su\u1ea5t th\u1ef1c l\u00e0 P = V x I x cos(\u03b8), trong \u0111\u00f3 V l\u00e0 \u0111i\u1ec7n \u00e1p, I l\u00e0 d\u00f2ng \u0111i\u1ec7n v\u00e0 \u03b8 l\u00e0 g\u00f3c l\u1ec7ch gi\u1eefa \u0111i\u1ec7n \u00e1p v\u00e0 d\u00f2ng \u0111i\u1ec7n.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"5_Chu_ky_va_tan_so_cua_dong_dien_xoay_chieu\"><\/span>5. Chu k\u1ef3 v\u00e0 t\u1ea7n s\u1ed1 c\u1ee7a d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Chu_ky_cua_dong_dien_xoay_chieu\"><\/span>Chu k\u1ef3 c\u1ee7a d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Chu k\u1ef3 c\u1ee7a d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u l\u00e0 kho\u1ea3ng th\u1eddi gian c\u1ea7n thi\u1ebft \u0111\u1ec3 m\u1ed9t chu k\u1ef3 ho\u00e0n ch\u1ec9nh c\u1ee7a s\u00f3ng xoay chi\u1ec1u di\u1ec5n ra. \u0110\u01a1n v\u1ecb \u0111o chu k\u1ef3 l\u00e0 gi\u00e2y (s) ho\u1eb7c hertz (Hz). Chu k\u1ef3 \u0111\u01b0\u1ee3c t\u00ednh b\u1eb1ng c\u00e1ch l\u1ea5y ngh\u1ecbch \u0111\u1ea3o c\u1ee7a t\u1ea7n s\u1ed1.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Tan_so_cua_dong_dien_xoay_chieu\"><\/span>T\u1ea7n s\u1ed1 c\u1ee7a d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>T\u1ea7n s\u1ed1 c\u1ee7a d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u l\u00e0 s\u1ed1 l\u1ea7n s\u00f3ng xoay chi\u1ec1u xu\u1ea5t hi\u1ec7n trong m\u1ed9t gi\u00e2y. \u0110\u01a1n v\u1ecb \u0111o t\u1ea7n s\u1ed1 l\u00e0 hertz (Hz). T\u1ea7n s\u1ed1 \u0111\u01b0\u1ee3c t\u00ednh b\u1eb1ng c\u00e1ch l\u1ea5y ngh\u1ecbch \u0111\u1ea3o c\u1ee7a chu k\u1ef3.<\/p>\n<p>V\u00ed d\u1ee5, n\u1ebfu m\u1ed9t chu k\u1ef3 ho\u00e0n ch\u1ec9nh di\u1ec5n ra trong 0,01 gi\u00e2y, th\u00ec t\u1ea7n s\u1ed1 c\u1ee7a d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u l\u00e0 1\/0,01 = 100 Hz.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"6_Tac_dung_cua_dong_dien_xoay_chieu_nhiet_phat_sang_tu\"><\/span>6. T\u00e1c d\u1ee5ng c\u1ee7a d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u (nhi\u1ec7t, ph\u00e1t s\u00e1ng, t\u1eeb)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Tac_dung_nhiet_cua_dong_dien_xoay_chieu\"><\/span>T\u00e1c d\u1ee5ng nhi\u1ec7t c\u1ee7a d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>D\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u c\u00f3 kh\u1ea3 n\u0103ng t\u1ea1o ra hi\u1ec7u \u1ee9ng nhi\u1ec7t khi ch\u1ea3y qua c\u00e1c v\u1eadt li\u1ec7u c\u00f3 kh\u00e1ng \u0111i\u1ec7n. Hi\u1ec7u \u1ee9ng n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c thi\u1ebft b\u1ecb nh\u01b0 l\u00f2 vi s\u00f3ng v\u00e0 l\u00f2 n\u01b0\u1edbng \u0111\u1ec3 l\u00e0m n\u00f3ng v\u00e0 n\u1ea5u ch\u00edn th\u1ef1c ph\u1ea9m.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Tac_dung_phat_sang_cua_dong_dien_xoay_chieu\"><\/span>T\u00e1c d\u1ee5ng ph\u00e1t s\u00e1ng c\u1ee7a d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>D\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ea1o ra \u00e1nh s\u00e1ng th\u00f4ng qua c\u00e1c nguy\u00ean l\u00fd nh\u01b0 \u0111\u00e8n hu\u1ef3nh quang v\u00e0 \u0111\u00e8n LED. C\u00e1c nguy\u00ean t\u1eafc n\u00e0y cho ph\u00e9p \u00e1nh s\u00e1ng \u0111\u01b0\u1ee3c ph\u00e1t ra khi m\u1ed9t d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u ch\u1ea1y qua c\u00e1c th\u00e0nh ph\u1ea7n c\u1ee7a \u0111\u00e8n.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Tac_dung_tu_cua_dong_dien_xoay_chieu\"><\/span>T\u00e1c d\u1ee5ng t\u1eeb c\u1ee7a d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>D\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u c\u00f3 kh\u1ea3 n\u0103ng t\u1ea1o ra t\u1eeb tr\u01b0\u1eddng xung quanh m\u00ecnh. Hi\u1ec7u \u1ee9ng t\u1eeb n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c thi\u1ebft b\u1ecb nh\u01b0 \u0111\u1ed9ng c\u01a1 \u0111i\u1ec7n v\u00e0 m\u00e1y ph\u00e1t \u0111i\u1ec7n \u0111\u1ec3 t\u1ea1o ra chuy\u1ec3n \u0111\u1ed9ng v\u00e0 s\u1ea3n xu\u1ea5t n\u0103ng l\u01b0\u1ee3ng \u0111i\u1ec7n.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"7_Diem_khac_nhau_giua_dong_dien_xoay_chieu_va_dong_dien_mot_chieu\"><\/span>7. \u0110i\u1ec3m kh\u00e1c nhau gi\u1eefa d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u v\u00e0 d\u00f2ng \u0111i\u1ec7n m\u1ed9t chi\u1ec1u<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><img decoding=\"async\" alt=\"7. \u0110i\u1ec3m kh\u00e1c nhau gi\u1eefa d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u v\u00e0 d\u00f2ng \u0111i\u1ec7n m\u1ed9t chi\u1ec1u\" src=\"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-content\/uploads\/2023\/09\/dong_dien_xoay_chieu_tim_hieu_y_nghia_tac_dung_va_ung_dung_trong_doi_song.jpeg\" style=\"text-align: center; clear: both; display: block; margin: 0 auto;\" title=\"7. \u0110i\u1ec3m kh\u00e1c nhau gi\u1eefa d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u v\u00e0 d\u00f2ng \u0111i\u1ec7n m\u1ed9t chi\u1ec1u\"\/><\/p>\n<h3><span class=\"ez-toc-section\" id=\"Diem_khac_nhau_ve_huong_dong_dien\"><\/span>\u0110i\u1ec3m kh\u00e1c nhau v\u1ec1 h\u01b0\u1edbng d\u00f2ng \u0111i\u1ec7n<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>D\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u thay \u0111\u1ed5i h\u01b0\u1edbng theo chu k\u1ef3, trong khi d\u00f2ng \u0111i\u1ec7n m\u1ed9t chi\u1ec1u ch\u1ec9 ch\u1ea3y theo m\u1ed9t h\u01b0\u1edbng duy nh\u1ea5t.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Diem_khac_nhau_ve_bieu_do_song\"><\/span>\u0110i\u1ec3m kh\u00e1c nhau v\u1ec1 bi\u1ec3u \u0111\u1ed3 s\u00f3ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>D\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u c\u00f3 bi\u1ec3u \u0111\u1ed3 s\u00f3ng tr\u00f2n, trong khi d\u00f2ng \u0111i\u1ec7n m\u1ed9t chi\u1ec1u c\u00f3 bi\u1ec3u \u0111\u1ed3 s\u00f3ng th\u1eb3ng.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Diem_khac_nhau_ve_ung_dung\"><\/span>\u0110i\u1ec3m kh\u00e1c nhau v\u1ec1 \u1ee9ng d\u1ee5ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>D\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c thi\u1ebft b\u1ecb gia d\u1ee5ng, c\u00f4ng nghi\u1ec7p v\u00e0 h\u1ec7 th\u1ed1ng truy\u1ec1n t\u1ea3i \u0111i\u1ec7n. Trong khi \u0111\u00f3, d\u00f2ng \u0111i\u1ec7n m\u1ed9t chi\u1ec1u th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c thi\u1ebft b\u1ecb di \u0111\u1ed9ng v\u00e0 pin.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"8_Ung_dung_cua_dien_xoay_chieu_trong_doi_song\"><\/span>8. \u1ee8ng d\u1ee5ng c\u1ee7a \u0111i\u1ec7n xoay chi\u1ec1u trong \u0111\u1eddi s\u1ed1ng<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>&#8211; H\u1ec7 th\u1ed1ng truy\u1ec1n t\u1ea3i \u0111i\u1ec7n: \u0110i\u1ec7n xoay chi\u1ec1u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 truy\u1ec1n t\u1ea3i \u0111i\u1ec7n t\u1eeb nh\u00e0 m\u00e1y \u0111i\u1ec7n \u0111\u1ebfn c\u00e1c khu v\u1ef1c s\u1eed d\u1ee5ng \u0111i\u1ec7n.<\/p>\n<p>&#8211; Thi\u1ebft b\u1ecb gia d\u1ee5ng: \u0110i\u1ec7n xoay chi\u1ec1u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c thi\u1ebft b\u1ecb gia d\u1ee5ng nh\u01b0 m\u00e1y gi\u1eb7t, t\u1ee7 l\u1ea1nh, qu\u1ea1t v\u00e0 m\u00e1y t\u00ednh.<\/p>\n<p>&#8211; C\u00f4ng nghi\u1ec7p: \u0110i\u1ec7n xoay chi\u1ec1u \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c h\u1ec7 th\u1ed1ng s\u1ea3n xu\u1ea5t c\u00f4ng nghi\u1ec7p nh\u01b0 m\u00e1y m\u00f3c, \u0111\u00e8n chi\u1ebfu s\u00e1ng v\u00e0 h\u1ec7 th\u1ed1ng l\u00e0m m\u00e1t.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"9_Su_khac_nhau_giua_dong_dien_1_pha_va_3_pha\"><\/span>9. 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<h3><span class=\"ez-toc-section\" id=\"So_luong_day\"><\/span>S\u1ed1 l\u01b0\u1ee3ng d\u00e2y<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>D\u00f2ng \u0111i\u1ec7n 1 pha c\u00f3 m\u1ed9t d\u00e2y duy nh\u1ea5t, trong khi d\u00f2ng \u0111i\u1ec7n 3 pha c\u00f3 ba d\u00e2y.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Diem_khac_nhau_ve_bieu_do_song-2\"><\/span>\u0110i\u1ec3m kh\u00e1c nhau v\u1ec1 bi\u1ec3u \u0111\u1ed3 s\u00f3ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>D\u00f2ng \u0111i\u1ec7n 1 pha c\u00f3 bi\u1ec3u \u0111\u1ed3 s\u00f3ng th\u1eb3ng, trong khi d\u00f2ng \u0111i\u1ec7n 3 pha c\u00f3 bi\u1ec3u \u0111\u1ed3 s\u00f3ng xo\u1eafn.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Ung_dung\"><\/span>\u1ee8ng d\u1ee5ng<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>D\u00f2ng \u0111i\u1ec7n 1 pha th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c thi\u1ebft b\u1ecb gia \u0111\u00ecnh v\u00e0 c\u00f4ng nghi\u1ec7p nh\u1ecf. Trong khi \u0111\u00f3, d\u00f2ng \u0111i\u1ec7n 3 pha th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c h\u1ec7 th\u1ed1ng c\u00f4ng nghi\u1ec7p l\u1edbn v\u00e0 truy\u1ec1n t\u1ea3i \u0111i\u1ec7n.<\/p>\n<p>D\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u l\u00e0 d\u1ea1ng d\u00f2ng \u0111i\u1ec7n thay \u0111\u1ed5i h\u01b0\u1edbng l\u01b0u th\u00f4ng li\u00ean t\u1ee5c trong m\u1ea1ch \u0111i\u1ec7n. \u0110i\u1ec1u n\u00e0y t\u1ea1o ra m\u1ed9t lo\u1ea1i d\u00f2ng \u0111i\u1ec7n hi\u1ec7u qu\u1ea3 cho vi\u1ec7c truy\u1ec1n t\u1ea3i v\u00e0 s\u1eed d\u1ee5ng n\u0103ng l\u01b0\u1ee3ng. D\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u c\u00f3 vai tr\u00f2 quan tr\u1ecdng trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p v\u00e0 h\u1ed9 gia \u0111\u00ecnh.<br \/>\n<iframe loading=\"lazy\" title=\"\u0110i\u1ec7n l\u00e0 g\u00ec? D\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u (AC) v\u00e0 m\u1ed9t chi\u1ec1u (DC) c\u00f3 g\u00ec kh\u00e1c nhau?\" width=\"790\" height=\"444\" src=\"https:\/\/www.youtube.com\/embed\/f3eZpwlQL5o?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe><\/p>\n","protected":false},"excerpt":{"rendered":"<p>D\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u l\u00e0 m\u1ed9t lo\u1ea1i d\u00f2ng \u0111i\u1ec7n thay \u0111\u1ed5i h\u01b0\u1edbng li\u00ean t\u1ee5c theo th\u1eddi gian, th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c \u1ee9ng d\u1ee5ng \u0111i\u1ec7n. \u0110i\u1ec7n&#8230; <\/p>\n","protected":false},"author":1,"featured_media":29743,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[29],"tags":[],"class_list":["post-29744","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-khai-niem-1"],"_links":{"self":[{"href":"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-json\/wp\/v2\/posts\/29744","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-json\/wp\/v2\/comments?post=29744"}],"version-history":[{"count":0,"href":"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-json\/wp\/v2\/posts\/29744\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-json\/wp\/v2\/media\/29743"}],"wp:attachment":[{"href":"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-json\/wp\/v2\/media?parent=29744"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-json\/wp\/v2\/categories?post=29744"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ungdung.hotronghiencuu.com\/open\/wp-json\/wp\/v2\/tags?post=29744"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}