{"id":1177,"date":"2021-10-09T00:49:45","date_gmt":"2021-10-09T00:49:45","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=1177"},"modified":"2021-10-14T22:12:06","modified_gmt":"2021-10-14T15:12:06","slug":"may-bien-the-la-thiet-bi-gi-hoat-dong-nhu-the-nao-kien-thuc-vat-ly-9","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/may-bien-the-la-thiet-bi-gi-hoat-dong-nhu-the-nao-kien-thuc-vat-ly-9\/","title":{"rendered":"M\u00e1y bi\u1ebfn th\u1ebf l\u00e0 thi\u1ebft b\u1ecb g\u00ec? Ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o? Ki\u1ebfn th\u1ee9c v\u1eadt l\u00fd 9"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Ghi ch\u00fa: T\u00e0i li\u1ec7u tr\u00edch d\u1eabn<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00e1y bi\u1ebfn th\u1ebf l\u00e0 m\u1ed9t trong nh\u1eefng s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ea5t nhi\u1ec1u trong \u0111\u1eddi s\u1ed1ng hi\u1ec7n \u0111\u1ea1i. Kh\u00f4ng ch\u1ec9 c\u00f3 v\u1eady, ch\u00fang c\u00f2n xu\u1ea5t hi\u1ec7n trong nhi\u1ec1u b\u00e0i h\u1ecdc c\u1ee7a V\u1eadt L\u00fd 9. B\u1edfi th\u1ebf, n\u1ebfu nh\u01b0 b\u1ea1n mu\u1ed1n t\u00ecm hi\u1ec3u nh\u1eefng th\u00f4ng tin li\u00ean quan v\u1ec1 chi\u1ebfc m\u00e1y n\u00e0y, c\u00f9ng \u0111\u1ecdc ti\u1ebfp b\u00e0i vi\u1ebft c\u1ee7a ch\u00fang t\u00f4i nh\u00e9. Ch\u00fang t\u00f4i mang \u0111\u1ebfn cho c\u00e1c b\u1ea1n th\u00f4ng tin c\u1ea5u t\u1ea1o m\u00e1y bi\u1ebfn th\u1ebf, chia s\u1ebb \u0111\u1ecbnh ngh\u0129a m\u00e1y bi\u1ebfn th\u1ebf l\u00e0 thi\u1ebft b\u1ecb g\u00ec. Th\u1ebf n\u00ean \u0111\u1eebng ng\u1ea1i l\u1ef1a ch\u1ecdn \u0111\u1ecdc \u0111\u1ec3 t\u00ecm hi\u1ec3u ngay b\u00e2y gi\u1edd. C\u00f9ng b\u1eaft \u0111\u1ea7u th\u00f4i!<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u1ea5u t\u1ea1o c\u1ee7a m\u00e1y bi\u1ebft th\u1ebf<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00e1y bi\u1ebfn th\u1ebf l\u00e0 thi\u1ebft b\u1ecb g\u00ec?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00e1y bi\u1ebfn th\u1ebf hay c\u00f2n c\u00f3 t\u00ean g\u1ecdi kh\u00e1c l\u00e0 m\u00e1y bi\u1ebfn \u00e1p. \u0110\u00e2y l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eeb t\u0129nh, \u0111\u01b0\u1ee3c ho\u1ea1t \u0111\u1ed9ng theo nguy\u00ean l\u00fd c\u1ea3m \u1ee9ng \u0111i\u1ec7n t\u1eeb. M\u1ee5c \u0111\u00edch c\u1ee7a ch\u00fang l\u00e0 bi\u1ebfn \u0111\u1ed5i m\u1ed9t h\u1ec7 th\u1ed1ng d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u \u1edf \u0111i\u1ec7n \u00e1p th\u1ee9 nh\u1ea5t. Sang th\u00e0nh d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u \u1edf \u0111i\u1ec7n \u00e1p th\u1ee9 hai. \u0110\u1eb7c \u0111i\u1ec3m c\u1ee7a chi\u1ebfc m\u00e1y n\u00e0y l\u00e0 khi\u1ebfn cho t\u1ea7n s\u1ed1 kh\u00f4ng thay \u0111\u1ed5i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u01a1n gi\u1ea3n h\u01a1n, m\u1ed9t m\u00e1y bi\u1ebfn th\u1ebf l\u00e0 thi\u1ebft b\u1ecb ch\u1ea1y b\u1eb1ng \u0111i\u1ec7n. Ch\u00fang s\u1eed d\u1ee5ng c\u1ea3m \u1ee9ng \u0111i\u1ec7n t\u1eeb \u0111\u1ec3 truy\u1ec1n v\u00e0 \u0111\u01b0a nh\u1eefng th\u00f4ng tin , t\u00edn hi\u1ec7u ho\u1eb7c n\u0103ng l\u01b0\u1ee3ng xoay chi\u1ec1u theo nguy\u00ean l\u00fd nh\u1ea5t \u0111\u1ecbnh gi\u1eefa c\u00e1c m\u1ea1ch. Nhi\u1ec1u ng\u01b0\u1eddi khi s\u1eed d\u1ee5ng b\u1ecb nh\u1ea7m l\u1eabn v\u1ec1 ch\u1ee9c n\u0103ng ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y. Th\u1ebf nh\u01b0ng tr\u00ean th\u1ef1c t\u1ebf, nh\u1eefng lo\u1ea1i m\u00e1y n\u00e0y th\u01b0\u1eddng ch\u1ec9 l\u00e0m nhi\u1ec7m v\u1ee5 \u0111\u1ec3 truy\u1ec1n t\u1ea3i \u0111i\u1ec7n n\u0103ng, ho\u1eb7c ph\u00e2n ph\u1ed1i n\u0103ng l\u01b0\u1ee3ng. Ch\u00fang kh\u00f4ng c\u00f3 ch\u1ee9c n\u0103ng l\u00e0m bi\u1ebfn \u0111\u1ed5i n\u0103ng l\u01b0\u1ee3ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00e1y bi\u1ebfn th\u1ebf l\u00e0 thi\u1ebft b\u1ecb c\u00f3 c\u1ea5u t\u1ea1o ra sao?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u1ea5u t\u1ea1o c\u1ee7a m\u00e1y bi\u1ebfn th\u1ebf ra sao l\u00e0 \u0111i\u1ec1u \u0111\u01b0\u1ee3c nhi\u1ec1u ng\u01b0\u1eddi s\u1eed d\u1ee5ng quan t\u00e2m. Vi\u1ec7c hi\u1ec3u v\u1ec1 c\u1ea5u t\u1ea1o c\u1ee7a chi\u1ebfc m\u00e1y n\u00e0y s\u1ebd gi\u00fap cho vi\u1ec7c s\u1eeda ch\u1eefa, b\u1ea3o d\u01b0\u1ee1ng v\u00e0 s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c d\u1ec5 d\u00e0ng h\u01a1n r\u1ea5t nhi\u1ec1u. Chi\u1ebfc m\u00e1y bi\u1ebfn th\u1ebf l\u00e0 thi\u1ebft b\u1ecb c\u00f3 3 th\u00e0nh ph\u1ea7n ch\u00ednh. \u0110\u00f3 l\u00e0 l\u00f5i th\u00e9p, d\u00e2y qu\u1ea5n hay cu\u1ed9n d\u00e2y, cu\u1ed1i c\u00f9ng l\u00e0 v\u1ecf m\u00e1y.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L\u00f5i th\u00e9p<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L\u00f5i th\u00e9p xu\u1ea5t hi\u1ec7n b\u00ean trong m\u00e1y bi\u1ebfn th\u1ebf th\u01b0\u1eddng c\u00f3 g\u00f4ng v\u00e0 c\u00f3 tr\u1ee5. Tr\u1ee5 c\u1ee7a m\u00e1y l\u00e0 ph\u1ea7n \u0111\u1ec3 \u0111\u1eb7t v\u00e0o d\u00e2y qu\u1ea5n. C\u00f2n ph\u1ea7n g\u00f4ng l\u00e0 ph\u1ea7n n\u1ed1i li\u1ec1n gi\u1eefa c\u00e1c tr\u1ee5 v\u1edbi nhau. T\u1eeb \u0111\u00f3 ch\u00fang t\u1ea1o th\u00e0nh m\u1ed9t m\u1ea1ch t\u1eeb k\u00edn. L\u00f5i th\u00e9p c\u1ee7a m\u00e1y bi\u1ebfn th\u1ebf \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o c\u1ef1c k\u1ef3 th\u00f4ng minh. Ch\u00fang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nhi\u1ec1u l\u00e1 s\u1eaft m\u1ecfng \u0111\u1ec3 gh\u00e9p c\u00e1ch \u0111i\u1ec7n v\u1edbi nhau. T\u1eeb \u0111\u00f3 ch\u1ebf t\u1ea1o ra \u0111\u01b0\u1ee3c v\u1eadt li\u1ec7u d\u1eabn t\u1eeb v\u00f4 c\u00f9ng t\u1ed1t v\u00e0 hi\u1ec7u qu\u1ea3.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u00e0i t\u1eadp li\u00ean quan \u0111\u1ebfn m\u00e1y bi\u1ebft th\u1ebf<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ch\u1ee9c n\u0103ng c\u1ee7a l\u00f5i th\u00e9p l\u00e0 d\u1eabn t\u1eeb th\u00f4ng. Ngo\u00e0i ra, ch\u00fang c\u00f2n \u0111\u01b0\u1ee3c l\u00e0m khung \u0111\u1ec3 \u0111\u1eb7t v\u00e0o cu\u1ed9n d\u00e2y qu\u1ea5n. V\u1edbi nh\u1eefng lo\u1ea1i m\u00e1y s\u1eed d\u1ee5ng trong l\u0129nh v\u1ef1c c\u00f4ng ngh\u1ec7 th\u00f4ng tin, ch\u00fang ph\u1ea3i c\u00f3 t\u1ea7n s\u1ed1 cao. Do \u0111\u00f3, l\u00f5i th\u00e9p n\u00e0y s\u1ebd \u0111\u01b0\u1ee3c c\u1ea5u t\u1ea1o t\u1eeb c\u00e1c l\u00e1 th\u00e9p Permalloy gh\u00e9p l\u1ea1i v\u1edbi nhau.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cu\u1ed9n d\u00e2y ho\u1eb7c d\u00e2y qu\u1ea5n<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cu\u1ed9n d\u00e2y n\u00e0y \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o b\u1eb1ng nh\u00f4m ho\u1eb7c b\u1eb1ng \u0111\u1ed3ng. Ch\u00fang \u0111\u01b0\u1ee3c b\u1ecdc c\u00e1ch \u0111i\u1ec7n \u1edf b\u00ean ngo\u00e0i \u0111\u1ec3 truy\u1ec1n n\u0103ng l\u01b0\u1ee3ng ra v\u00e0 nh\u1eadn n\u0103ng l\u01b0\u1ee3ng v\u00e0o d\u1ec5 d\u00e0ng h\u01a1n. Ngo\u00e0i ra, m\u00e1y bi\u1ebfn th\u1ebf l\u00e0 thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nhi\u1ec1u. B\u1edfi th\u1ebf m\u00e0 bi\u1ebfn \u00e1p s\u1ebd \u0111\u01b0\u1ee3c qu\u1ea5n b\u1eb1ng d\u00e2y \u0111\u1ed3ng, t\u1eeb \u0111\u00f3 gi\u00fap tr\u00e1nh \u0111\u01b0\u1ee3c s\u1ef1 oxy h\u00f3a, t\u0103ng tu\u1ed5i th\u1ecd cho m\u00e1y v\u00e0 d\u1eabn \u0111i\u1ec7n \u0111\u01b0\u1ee3c t\u1ed1t h\u01a1n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cu\u1ed9n d\u00e2y s\u01a1 c\u1ea5p l\u00e0 ph\u1ea7n c\u00f3 nhi\u1ec7m v\u1ee5 \u0111\u1ec3 nh\u1eadn n\u0103ng l\u01b0\u1ee3ng, n\u1ed1i v\u00e0o gi\u1eefa c\u00e1c m\u1ea1ch xoay chi\u1ec1u. Cu\u1ed9n d\u00e2y th\u1ee9 c\u1ea5p c\u00f3 nhi\u1ec7m v\u1ee5 ng\u01b0\u1ee3c l\u1ea1i. Ch\u00fang nh\u1eadn truy\u1ec1n n\u0103ng l\u01b0\u1ee3ng ra n\u1ed1i v\u1edbi t\u1ea3i ti\u00eau th\u1ee5. \u0110\u1eb7c bi\u1ec7t, hai cu\u1ed9n d\u00e2y n\u00e0y ph\u1ea3i c\u00f3 s\u1ed1 v\u00f2ng d\u00e2y kh\u00e1c nhau. T\u00f9y thu\u1ed9c v\u00e0o nhi\u1ec7m v\u1ee5 m\u1ed7i m\u00e1y m\u00e0 ch\u00fang c\u00f3 th\u1ec3 c\u00f3 s\u1ed1 v\u00f2ng d\u00e2y N1&gt;N2 ho\u1eb7c ng\u01b0\u1ee3c l\u1ea1i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1ecf m\u00e1y<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00f3 r\u1ea5t \u0111a d\u1ea1ng ch\u1ea5t li\u1ec7u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ea1o n\u00ean v\u1ecf m\u00e1y. Ch\u00fang th\u01b0\u1eddng \u0111\u01b0\u1ee3c l\u00e0m t\u1eeb t\u00f4n m\u1ecfng, gang, th\u00e9p ho\u1eb7c l\u00e0 g\u1ed7, nh\u1ef1a. Ngo\u00e0i ra, ch\u00fang c\u00f3 c\u00f4ng d\u1ee5ng \u0111\u1ec3 b\u1ea3o v\u1ec7 c\u00e1c ph\u1ea7n t\u1eeb \u1edf b\u00ean trong c\u1ee7a m\u00e1y bi\u1ebfn \u00e1p. Hai b\u1ed9 ph\u1eadn ch\u00ednh c\u1ee7a ph\u1ea7n v\u1ecf m\u00e1y ch\u00ednh l\u00e0 n\u1eafp th\u00f9ng v\u00e0 th\u00f9ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng c\u1ee7a m\u00e1y nh\u01b0 th\u1ebf n\u00e0o?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Chi\u1ebfc m\u00e1y bi\u1ebfn th\u1ebf l\u00e0 thi\u1ebft b\u1ecb c\u00f3 nguy\u00ean l\u00fd ho\u1ea1t \u0111\u1ed9ng d\u1ef1a tr\u00ean hi\u1ec7n t\u01b0\u1ee3ng c\u1ea3m \u1ee9ng \u0111i\u1ec7n t\u1eeb. \u0110\u00e2y l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng h\u00ecnh th\u00e0nh t\u1eeb m\u1ed9t \u0111i\u1ec7n \u00e1p ho\u1eb7c g\u1ecdi l\u00e0 m\u1ed9t su\u1ea5t \u0111i\u1ec7n \u0111\u1ed9ng v\u00e0 \u0111\u1eb7t tr\u00ean m\u1ed9t v\u1eadt d\u1eabn. Khi \u0111\u00f3, v\u1eadt \u0111\u01b0\u1ee3c \u0111\u1eb7t \u1edf b\u00ean trong m\u1ed9t t\u1eeb tr\u01b0\u1eddng bi\u1ebfn thi\u00ean.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ta g\u1ecdi d\u00e2y qu\u1ea5n 1 c\u00f3 N1 v\u00f2ng d\u00e2y. D\u00e2y qu\u1ea5n 2 c\u00f3 N2 v\u00f2ng d\u00e2y. D\u00e2y 1 \u0111\u01b0\u1ee3c n\u1ed1i v\u1edbi ngu\u1ed3n \u0111i\u1ec7n \u00e1p xoay chi\u1ec1u, g\u1ecdi l\u00e0 \u0111i\u1ec7n \u00e1p U1. \u0110\u00e2y l\u00e0 d\u00e2y qu\u1ea5n s\u01a1 c\u1ea5p. C\u00f2n d\u00e2y 2 s\u1ebd cung c\u1ea5p \u0111i\u1ec7n cho ph\u1ee5 t\u1ea3i Zt \u0111i\u1ec7n \u00e1p. Ch\u00fang \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 U2, ngo\u00e0i ra c\u00f3 th\u1ec3 coi l\u00e0 d\u00e2y qu\u1ea5n th\u1ee9 c\u1ea5p.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H\u00ecnh \u1ea3nh c\u1ea5u t\u1ea1o c\u1ee7a m\u00e1y<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1edbi ki\u1ebfn th\u1ee9c m\u00e1y bi\u1ebfn th\u1ebf l\u1edbp 9, ta t\u1ea1m th\u1eddi b\u1ecf qua t\u1ed5n hao trong m\u00e1y bi\u1ebfn \u00e1p. C\u00f4ng th\u1ee9c chung \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0 U1xI1=U2xI2. Ta c\u00f3 m\u1ed9t t\u1ef7 l\u1ec7 chung th\u01b0\u1eddng s\u1eed d\u1ee5ng l\u00e0 U1\/U2=I2\/I1=k.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00f3m l\u1ea1i: N\u1ebfu nh\u01b0 N2 l\u1edbn h\u01a1n N1, th\u00ec I2 nh\u1ecf h\u01a1n I1 v\u00e0 U2 l\u1edbn h\u01a1n so v\u1edbi U1. Do \u0111\u00f3, m\u00e1y bi\u1ebfn \u00e1p s\u1ebd t\u0103ng \u00e1p. N\u1ebfu nh\u01b0 N2 nh\u1ecf h\u01a1n N1, th\u00ec I2 l\u1edbn h\u01a1n I1 v\u00e0 U2 nh\u1ecf h\u01a1n U1. Khi \u0111\u00f3, m\u00e1y bi\u1ebfn \u00e1p s\u1ebd gi\u1ea3m \u00e1p. C\u00f3 th\u1ec3 th\u1ea5y r\u1eb1ng nh\u1eefng nguy\u00ean l\u00fd n\u00e0y kh\u00f4ng h\u1ec1 kh\u00f3 hi\u1ec3u v\u00e0 r\u1ea5t d\u1ec5 \u0111\u1ec3 \u00e1p d\u1ee5ng. C\u00e1c em <a href=\"https:\/\/www.vietlearn.org\" data-internallinksmanager029f6b8e52c=\"2\" title=\"Vietlearn\" rel=\"nofollow\">h\u1ecdc sinh<\/a> nh\u1edb h\u00e3y h\u1ec7 th\u1ed1ng ki\u1ebfn th\u1ee9c r\u00f5 r\u00e0ng \u0111\u1ec3 tr\u00e1nh vi\u1ec7c b\u1ecb nh\u1ea7m l\u1eabn nh\u00e9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00f3 m\u1ea5y lo\u1ea1i m\u00e1y bi\u1ebfn th\u1ebf tr\u00ean th\u1ecb tr\u01b0\u1eddng?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u00ean th\u1ecb tr\u01b0\u1eddng hi\u1ec7n nay c\u00f3 nhi\u1ec1u lo\u1ea1i m\u00e1y bi\u1ebfn th\u1ebf kh\u00e1c nhau.N\u1ebfu nh\u01b0 kh\u00e1ch h\u00e0ng m\u1edbi ti\u1ebfp x\u00fac l\u1ea7n \u0111\u1ea7u, r\u1ea5t d\u1ec5 \u0111\u1ec3 h\u1ecd c\u1ea3m th\u1ea5y b\u0103n kho\u0103n v\u00e0 th\u1eafc m\u1eafc. M\u00f4 h\u00ecnh m\u00e1y bi\u1ebfn th\u1ebf l\u00e0 thi\u1ebft b\u1ecb kh\u00f4ng gi\u1ed1ng v\u1edbi nh\u1eefng thi\u1ebft b\u1ecb kh\u00e1c. Ch\u00fang c\u00f3 nhi\u1ec1u c\u00e1ch \u0111\u1ec3 ph\u00e2n lo\u1ea1i, m\u1ed9t s\u1ed1 c\u00e1ch m\u00e0 ch\u00fang t\u00f4i ch\u1ec9 ra cho b\u1ea1n l\u00e0 nh\u01b0 sau.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ph\u00e2n lo\u1ea1i m\u00e1y theo c\u1ea5u t\u1ea1o: C\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng ph\u00e2n bi\u1ec7t \u0111\u01b0\u1ee3c thi\u1ebft b\u1ecb m\u00e1y n\u00e0y theo c\u1ea5u t\u1ea1o. Ch\u00fang th\u01b0\u1eddng \u0111\u01b0\u1ee3c chia th\u00e0nh m\u00e1y bi\u1ebfn \u00e1p ba pha v\u00e0 m\u00e1y bi\u1ebfn \u00e1p m\u1ed9t pha.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ph\u00e2n lo\u1ea1i theo c\u00e1ch th\u1ee9c \u0111i\u1ec7n: Ch\u00fang c\u00f3 th\u1ec3 ph\u00e2n chia th\u00e0nh m\u00e1y bi\u1ebfn th\u1ebf l\u00f5i kh\u00f4ng kh\u00ed, m\u00e1y bi\u1ebfn th\u1ebf l\u00f5i d\u1ea7u<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ph\u00e2n lo\u1ea1i theo ch\u1ee9c n\u0103ng: M\u00e1y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chia th\u00e0nh m\u00e1y bi\u1ebfn \u00e1p t\u0103ng th\u1ebf v\u00e0 m\u00e1y bi\u1ebfn \u00e1p h\u1ea1 th\u1ebf.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ph\u00e2n lo\u1ea1i theo nhi\u1ec7m v\u1ee5 c\u1ee7a m\u00e1y: C\u00f3 r\u1ea5t nhi\u1ec1u lo\u1ea1i m\u00e1y kh\u00e1c nhau c\u00f3 c\u00f4ng d\u1ee5ng kh\u00e1c nhau. Ch\u00fang g\u1ed3m c\u00f3 m\u00e1y bi\u1ebfn \u00e1p \u0111i\u1ec7n l\u1ef1c, m\u00e1y bi\u1ebfn \u00e1p h\u00e0n. Ngo\u00e0i ra c\u00f2n c\u00f3 m\u00e1y bi\u1ebfn \u00e1p cho d\u00e2n d\u1ee5ng, m\u00e1y bi\u1ebfn \u00e1p xung\u2026<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ph\u00e2n lo\u1ea1i theo m\u1ed1i quan h\u1ec7 cu\u1ed9n d\u00e2y: Ch\u00fang g\u1ed3m c\u00f3 bi\u1ebfn \u00e1p c\u00e1ch ly, bi\u1ebfn \u00e1p t\u1ef1 ng\u1eabu\u2026<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00e1y bi\u1ebfn th\u1ebf l\u00e0 thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u00e0m g\u00ec?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00f4ng d\u1ee5ng c\u1ee7a m\u00e1y bi\u1ebfn th\u1ebf kh\u00f4ng qu\u00e1 kh\u00f3 \u0111\u1ec3 t\u00ecm hi\u1ec3u. Nhi\u1ec1u ng\u01b0\u1eddi ch\u01b0a th\u1ef1c s\u1ef1 hi\u1ec3u r\u00f5 c\u00f4ng d\u1ee5ng c\u0169ng nh\u01b0 t\u00e1c d\u1ee5ng c\u1ee7a chi\u1ebfc m\u00e1y n\u00e0y. Th\u1ef1c ra, chi\u1ebfc m\u00e1y n\u00e0y c\u00f3 t\u00e1 d\u1ee5ng chuy\u1ec3n \u0111\u1ed5i \u0111i\u1ec7n \u00e1p hay c\u00f2n g\u1ecdi l\u00e0 hi\u1ec7u \u0111i\u1ec7n th\u1ebf v\u1ec1 \u0111\u00fang v\u1edbi gi\u00e1 tr\u1ecb m\u00e0 m\u00ecnh mong mu\u1ed1n. N\u00f3 s\u1ebd \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u1edf trong c\u00e1c nh\u00e0 m\u00e1y, v\u1edbi nhi\u1ec1u ho\u1ea1t \u0111\u1ed9ng kh\u00e1c nhau. B\u1ea1n c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh t\u0103ng \u0111i\u1ec7n \u00e1p t\u1eeb m\u00e1y ph\u00e1t \u0111i\u1ec7n l\u00ean c\u00e1c \u0111\u01b0\u1eddng d\u00e2y t\u1ea3i \u0111i\u1ec7n \u0111i xa. Ngo\u00e0i ra c\u00f3 th\u1ec3 gi\u1ea3m \u0111i\u1ec7n \u00e1p \u1edf cu\u1ed1i \u0111\u01b0\u1eddng d\u00e2y, ph\u1ee5c v\u1ee5 m\u1ee5c \u0111\u00edch cung c\u1ea5p cho t\u1ea3i.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00ed d\u1ee5 \u0111\u01a1n gi\u1ea3n \u0111\u1ec3 c\u00e1c b\u1ea1n d\u1ec5 h\u00ecnh dung. Khi d\u00f9ng trong sinh ho\u1ea1t d\u00e2n c\u01b0, chi\u1ebfc m\u00e1y n\u00e0y s\u1ebd chuy\u1ec3n \u0111i\u1ec7n t\u1eeb \u0111\u01b0\u1eddng d\u00e2y trung th\u1ebf 10kV sang \u0111\u1ebfn m\u1ee9c h\u1ea1 th\u1ebf l\u00e0 220V ho\u1eb7c 400V. N\u1ebfu s\u1eed d\u1ee5ng \u0111\u1ec3 t\u1ea3i l\u00ean \u0111\u01b0\u1eddng d\u00e2y cao th\u1ebf, ch\u00fang s\u1ebd chuy\u1ec3n hi\u1ec7u \u0111i\u1ec7n th\u1ebf t\u1eeb m\u1ee9c trung th\u1ebf l\u00e0 10kV sang \u0111\u1ebfn m\u1ee9c cao th\u1ebf.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00e1y bi\u1ebfn th\u1ebf l\u00e0 thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t ra sao?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u00ean \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 th\u00f4ng tin ch\u00fang t\u00f4i mu\u1ed1n \u0111\u01b0a \u0111\u1ebfn cho b\u1ea1n v\u1ec1 m\u00e1y bi\u1ebfn th\u1ebf. Chi\u1ebfc m\u00e1y bi\u1ebfn th\u1ebf l\u00e0 thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nhi\u1ec1u trong \u0111\u1eddi s\u1ed1ng h\u00e0ng ng\u00e0y. Do \u0111\u00f3, kh\u00f4ng kh\u00f3 hi\u1ec3u v\u00ec sao m\u1ecdi ng\u01b0\u1eddi l\u1ea1i th\u1ea5y th\u00edch th\u00fa v\u00e0 l\u1ef1a ch\u1ecdn t\u00ecm mua nhi\u1ec1u. N\u1ebfu nh\u01b0 b\u1ea1n quan t\u00e2m \u0111\u1ebfn nh\u1eefng chia s\u1ebb n\u00e0y, \u0111\u1eebng qu\u00ean \u0111\u1ecdc th\u00eam nh\u1eefng b\u00e0i vi\u1ebft kh\u00e1c tr\u00ean website c\u1ee7a ch\u00fang t\u00f4i nh\u00e9. Th\u00f4ng tin v\u1ec1 tru<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"<p>Ghi ch\u00fa: T\u00e0i li\u1ec7u tr\u00edch d\u1eabn M\u00e1y bi\u1ebfn th\u1ebf l\u00e0 m\u1ed9t trong nh\u1eefng s\u1ea3n ph\u1ea9m \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ea5t nhi\u1ec1u trong \u0111\u1eddi s\u1ed1ng hi\u1ec7n \u0111\u1ea1i. Kh\u00f4ng ch\u1ec9 c\u00f3 v\u1eady, ch\u00fang c\u00f2n xu\u1ea5t hi\u1ec7n trong nhi\u1ec1u b\u00e0i h\u1ecdc c\u1ee7a V\u1eadt L\u00fd 9. B\u1edfi th\u1ebf, n\u1ebfu nh\u01b0 b\u1ea1n mu\u1ed1n t\u00ecm hi\u1ec3u nh\u1eefng th\u00f4ng tin li\u00ean quan v\u1ec1 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[4,7],"tags":[],"class_list":["post-1177","post","type-post","status-publish","format-standard","hentry","category-trung-hoc","category-vat-ly"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/1177","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=1177"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/1177\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=1177"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=1177"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=1177"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}