{"id":205,"date":"2024-07-14T16:49:40","date_gmt":"2024-07-14T14:49:40","guid":{"rendered":"https:\/\/gezhi-tech.com\/?p=205"},"modified":"2025-09-27T17:50:25","modified_gmt":"2025-09-27T15:50:25","slug":"clause-3-how-to-understand-the-definition-of-rated-frequency","status":"publish","type":"post","link":"https:\/\/gezhi-tech.com\/vi\/clause-3-how-to-understand-the-definition-of-rated-frequency\/","title":{"rendered":"Kho\u1ea3n 3 \u2013 C\u00e1ch hi\u1ec3u \u0111\u1ecbnh ngh\u0129a \u201ct\u1ea7n s\u1ed1 danh \u0111\u1ecbnh\u201d"},"content":{"rendered":"t\u1ea7n s\u1ed1 \u0111\u1ecbnh m\u1ee9c: t\u1ea7n s\u1ed1 do nh\u00e0 s\u1ea3n xu\u1ea5t \u1ea5n \u0111\u1ecbnh cho thi\u1ebft b\u1ecb.<br>\n<br>\nN\u00f3i chung, t\u1ea7n s\u1ed1 \u0111\u1ecbnh m\u1ee9c l\u00e0 t\u1ea7n s\u1ed1 ti\u1ec7n \u00edch ti\u00eau chu\u1ea9n c\u1ee7a qu\u1ed1c gia th\u1ecb tr\u01b0\u1eddng m\u1ee5c ti\u00eau t\u1ea1i th\u1eddi \u0111i\u1ec3m s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf. V\u00ec tr\u00ean to\u00e0n th\u1ebf gi\u1edbi ch\u1ec9 c\u00f3 hai t\u1ea7n s\u1ed1 ti\u1ec7n \u00edch l\u00e0 50Hz v\u00e0 60Hz n\u00ean gi\u00e1 tr\u1ecb ch\u1ec9 c\u00f3 th\u1ec3 l\u00e0 50Hz ho\u1eb7c 60Hz ho\u1eb7c c\u1ea3 50 v\u00e0 60Hz.<br>\n<br>\nT\u1ea7n s\u1ed1 \u0111\u1ecbnh m\u1ee9c, d\u00f2ng \u0111i\u1ec7n \u0111\u1ecbnh m\u1ee9c ho\u1eb7c \u0111\u1ea7u v\u00e0o c\u00f4ng su\u1ea5t \u0111\u1ecbnh m\u1ee9c, \u0111i\u1ec7n \u00e1p \u0111\u1ecbnh m\u1ee9c, v.v. l\u00e0 c\u00e1c th\u00f4ng s\u1ed1 c\u01a1 b\u1ea3n \u0111\u1eb7c tr\u01b0ng cho thi\u1ebft b\u1ecb, xu\u1ea5t ph\u00e1t t\u1eeb nhu c\u1ea7u c\u1ee7a th\u1ecb tr\u01b0\u1eddng m\u1ee5c ti\u00eau c\u0169ng nh\u01b0 c\u00e1c \u0111i\u1ec1u ki\u1ec7n ti\u1ec7n \u00edch.<br>Khi ch\u00fang t\u00f4i ki\u1ec3m tra theo ti\u00eau chu\u1ea9n, ch\u00fang t\u00f4i \u0111\u1eb7t \u0111i\u1ec1u ki\u1ec7n ki\u1ec3m tra theo c\u00e1c th\u00f4ng s\u1ed1 n\u00e0y. V\u00ec v\u1eady, c\u00e1c th\u00f4ng s\u1ed1 n\u00e0y ph\u1ea3i \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn tr\u01b0\u1edbc khi th\u1eed nghi\u1ec7m, n\u1ebfu kh\u00f4ng s\u1ebd d\u1eabn \u0111\u1ebfn tr\u00f9ng l\u1eb7p c\u00f4ng vi\u1ec7c v\u00e0 cho ra k\u1ebft qu\u1ea3 th\u1eed nghi\u1ec7m sai.<br>","protected":false},"excerpt":{"rendered":"<p>t\u1ea7n s\u1ed1 \u0111\u1ecbnh m\u1ee9c: t\u1ea7n s\u1ed1 do nh\u00e0 s\u1ea3n xu\u1ea5t \u1ea5n \u0111\u1ecbnh cho thi\u1ebft b\u1ecb. N\u00f3i chung, t\u1ea7n s\u1ed1 \u0111\u1ecbnh m\u1ee9c l\u00e0 t\u1ea7n s\u1ed1 ti\u1ec7n \u00edch ti\u00eau chu\u1ea9n c\u1ee7a qu\u1ed1c gia th\u1ecb tr\u01b0\u1eddng m\u1ee5c ti\u00eau t\u1ea1i th\u1eddi \u0111i\u1ec3m s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf. 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