{"id":544,"date":"2026-06-19T08:00:00","date_gmt":"2026-06-19T08:00:00","guid":{"rendered":"https:\/\/thietbidienvinamax.vn\/index.php\/2026\/06\/19\/cach-tinh-cong-suat-o-cam\/"},"modified":"2026-06-19T08:00:00","modified_gmt":"2026-06-19T08:00:00","slug":"cach-tinh-cong-suat-o-cam","status":"publish","type":"post","link":"https:\/\/thietbidienvinamax.vn\/index.php\/2026\/06\/19\/cach-tinh-cong-suat-o-cam\/","title":{"rendered":"C\u00e1ch t\u00ednh c\u00f4ng su\u1ea5t \u1ed5 c\u1eafm \u0111\u1ec3 kh\u00f4ng b\u1ecb qu\u00e1 t\u1ea3i"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/bizweb.dktcdn.net\/100\/509\/389\/products\/mat-su-20241001-150949-0000-1751340415976.png?v=1751340420693\" alt=\"C\u00e1ch t\u00ednh c\u00f4ng su\u1ea5t \u1ed5 c\u1eafm \u0111\u1ec3 kh\u00f4ng b\u1ecb qu\u00e1 t\u1ea3i\" \/><\/p>\n<p>Qu\u00e1 t\u1ea3i l\u00e0 nguy\u00ean nh\u00e2n h\u00e0ng \u0111\u1ea7u g\u00e2y ch\u00e1y \u1ed5 c\u1eafm. C\u00e1ch t\u00ednh r\u1ea5t \u0111\u01a1n gi\u1ea3n.<\/p>\n<h2>C\u00f4ng th\u1ee9c<\/h2>\n<p>T\u1ed5ng c\u00f4ng su\u1ea5t (W) = c\u1ed9ng c\u00f4ng su\u1ea5t t\u1ea5t c\u1ea3 thi\u1ebft b\u1ecb c\u1eafm c\u00f9ng l\u00fac. V\u1edbi \u0111i\u1ec7n 220V, d\u00f2ng \u0111i\u1ec7n (A) = c\u00f4ng su\u1ea5t \/ 220.<\/p>\n<h2>V\u00ed d\u1ee5<\/h2>\n<p>B\u1ebfp t\u1eeb 2000W + n\u1ed3i c\u01a1m 700W = 2700W \u2248 12A. N\u00ean ch\u1ecdn \u1ed5 c\u00f3 CB t\u1eeb 16A tr\u1edf l\u00ean v\u00e0 d\u00e2y 2&#215;2.5mm\u00b2.<\/p>\n<h2>L\u1eddi khuy\u00ean<\/h2>\n<p>Lu\u00f4n ch\u1ecdn \u1ed5 c\u1eafm c\u00f3 kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i cao h\u01a1n nhu c\u1ea7u kho\u1ea3ng 20\u201330% \u0111\u1ec3 an to\u00e0n.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>H\u01b0\u1edbng d\u1eabn t\u00ednh t\u1ed5ng c\u00f4ng su\u1ea5t thi\u1ebft b\u1ecb v\u00e0 ch\u1ecdn \u1ed5 c\u1eafm, CB ph\u00f9 h\u1ee3p \u0111\u1ec3 d\u00f9ng an to\u00e0n, tr\u00e1nh ch\u1eadp ch\u00e1y.<\/p>\n","protected":false},"author":6,"featured_media":567,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[52],"tags":[],"class_list":["post-544","post","type-post","status-publish","format-standard","hentry","category-tin-tuc"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"https:\/\/thietbidienvinamax.vn\/wp-content\/uploads\/2026\/06\/mat-su-20241001-150949-0000-1751340415976-1.png","_links":{"self":[{"href":"https:\/\/thietbidienvinamax.vn\/index.php\/wp-json\/wp\/v2\/posts\/544","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/thietbidienvinamax.vn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/thietbidienvinamax.vn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/thietbidienvinamax.vn\/index.php\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/thietbidienvinamax.vn\/index.php\/wp-json\/wp\/v2\/comments?post=544"}],"version-history":[{"count":0,"href":"https:\/\/thietbidienvinamax.vn\/index.php\/wp-json\/wp\/v2\/posts\/544\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/thietbidienvinamax.vn\/index.php\/wp-json\/wp\/v2\/media\/567"}],"wp:attachment":[{"href":"https:\/\/thietbidienvinamax.vn\/index.php\/wp-json\/wp\/v2\/media?parent=544"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/thietbidienvinamax.vn\/index.php\/wp-json\/wp\/v2\/categories?post=544"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/thietbidienvinamax.vn\/index.php\/wp-json\/wp\/v2\/tags?post=544"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}