<\/p>","protected":false},"excerpt":{"rendered":" C\u1ea7u ch\u00ec n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi c\u0169ng l\u00e0 c\u1ea7u ch\u00ec quang \u0111i\u1ec7n: \u0110\u01b0\u1ee3c c\u1ea5u t\u1ea1o t\u1eeb c\u00e1c th\u00e0nh ph\u1ea7n sau: C\u1ea7u ch\u00ec n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi, th\u01b0\u1eddng \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi t\u00ean g\u1ecdi c\u1ea7u ch\u00ec quang \u0111i\u1ec7n (PV), l\u00e0...<\/p>","protected":false},"author":19,"featured_media":16673,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[159],"tags":[],"class_list":["post-16671","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-product-information"],"_links":{"self":[{"href":"https:\/\/essfuse.com\/vi\/wp-json\/wp\/v2\/posts\/16671","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/essfuse.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/essfuse.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/essfuse.com\/vi\/wp-json\/wp\/v2\/users\/19"}],"replies":[{"embeddable":true,"href":"https:\/\/essfuse.com\/vi\/wp-json\/wp\/v2\/comments?post=16671"}],"version-history":[{"count":1,"href":"https:\/\/essfuse.com\/vi\/wp-json\/wp\/v2\/posts\/16671\/revisions"}],"predecessor-version":[{"id":16672,"href":"https:\/\/essfuse.com\/vi\/wp-json\/wp\/v2\/posts\/16671\/revisions\/16672"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/essfuse.com\/vi\/wp-json\/wp\/v2\/media\/16673"}],"wp:attachment":[{"href":"https:\/\/essfuse.com\/vi\/wp-json\/wp\/v2\/media?parent=16671"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/essfuse.com\/vi\/wp-json\/wp\/v2\/categories?post=16671"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/essfuse.com\/vi\/wp-json\/wp\/v2\/tags?post=16671"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
C\u1ea7u ch\u00ec n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi<\/a><\/strong>, \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn r\u1ed9ng r\u00e3i v\u1edbi t\u00ean g\u1ecdi c\u1ea7u ch\u00ec quang \u0111i\u1ec7n (PV)<\/a>, C\u1ea7u ch\u00ec quang \u0111i\u1ec7n l\u00e0 c\u00e1c linh ki\u1ec7n b\u1ea3o v\u1ec7 qu\u00e1 d\u00f2ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf chuy\u00ean d\u1ee5ng cho h\u1ec7 th\u1ed1ng \u0111i\u1ec7n m\u1eb7t tr\u1eddi DC. Kh\u00f4ng gi\u1ed1ng nh\u01b0 c\u1ea7u ch\u00ec AC th\u00f4ng th\u01b0\u1eddng, c\u1ea7u ch\u00ec quang \u0111i\u1ec7n ph\u1ea3i d\u1eadp t\u1eaft h\u1ed3 quang \u0111i\u1ec7n DC m\u1ed9t c\u00e1ch \u0111\u00e1ng tin c\u1eady, ch\u1ecbu \u0111\u01b0\u1ee3c s\u1ef1 dao \u0111\u1ed9ng nhi\u1ec7t \u0111\u1ed9 ngo\u00e0i tr\u1eddi r\u1ed9ng v\u00e0 \u0111\u00e1p \u1ee9ng c\u00e1c ti\u00eau chu\u1ea9n IEC 60269-6 gPV nghi\u00eam ng\u1eb7t cho c\u00e1c \u0111i\u1ec1u ki\u1ec7n l\u1ed7i c\u1ee5 th\u1ec3 c\u1ee7a n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi, bao g\u1ed3m d\u00f2ng \u0111i\u1ec7n ng\u01b0\u1ee3c chu\u1ed7i v\u00e0 s\u1ef1 c\u1ed1 ng\u1eafn m\u1ea1ch trong h\u1ed9p k\u1ebft h\u1ee3p PV. Nhi\u1ec1u ng\u01b0\u1eddi l\u1eafp \u0111\u1eb7t v\u00e0 thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng th\u01b0\u1eddng b\u1ecf qua th\u1ef1c t\u1ebf r\u1eb1ng hi\u1ec7u su\u1ea5t d\u1eadp t\u1eaft l\u1ed7i \u1ed5n \u0111\u1ecbnh c\u1ee7a c\u1ea7u ch\u00ec n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi \u0111\u1ebfn tr\u1ef1c ti\u1ebfp t\u1eeb c\u1ea5u tr\u00fac b\u00ean trong nhi\u1ec1u b\u1ed9 ph\u1eadn ch\u00ednh x\u00e1c c\u1ee7a ch\u00fang. D\u01b0\u1edbi \u0111\u00e2y, ch\u00fang t\u00f4i s\u1ebd ph\u00e2n t\u00edch t\u1eebng th\u00e0nh ph\u1ea7n c\u1ed1t l\u00f5i c\u1ee7a c\u1ea7u ch\u00ec quang \u0111i\u1ec7n ti\u00eau chu\u1ea9n v\u00e0 ph\u1ea7n c\u1ee9ng h\u1ed7 tr\u1ee3, gi\u1ea3i th\u00edch v\u1ec1 l\u1ef1a ch\u1ecdn v\u1eadt li\u1ec7u, m\u1ee5c \u0111\u00edch ch\u1ee9c n\u0103ng v\u00e0 l\u00fd do t\u1ea1i sao c\u1ea7u ch\u00ec th\u00f4ng th\u01b0\u1eddng kh\u00f4ng th\u1ec3 thay th\u1ebf c\u1ea7u ch\u00ec n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi gPV \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn trong c\u00e1c m\u1ea3ng n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi.<\/p>\n\n\n\n
C\u00e1c th\u00e0nh ph\u1ea7n c\u1ed1t l\u00f5i b\u00ean trong c\u1ea7u ch\u00ec quang \u0111i\u1ec7n.<\/h2>\n\n\n\n
C\u1ea7u ch\u00ec l\u00e0 m\u1ed9t c\u1ee5m linh ki\u1ec7n d\u1ea1ng h\u1ed9p c\u00f3 th\u1ec3 thay th\u1ebf, th\u1ef1c hi\u1ec7n ch\u1ee9c n\u0103ng ng\u1eaft d\u00f2ng \u0111i\u1ec7n qu\u00e1 t\u1ea3i. N\u00f3 bao g\u1ed3m n\u0103m b\u1ed9 ph\u1eadn c\u01a1 b\u1ea3n ho\u1ea1t \u0111\u1ed9ng c\u00f9ng nhau trong \u0111i\u1ec1u ki\u1ec7n \u0111i\u1ec7n \u00e1p DC cao.<\/p>\n\n\n\n
1. B\u1ed9 ph\u1eadn c\u1ea7u ch\u00ec (C\u1ea7u ch\u00ec d\u1ea1ng thanh \/ D\u00e2y c\u1ea7u ch\u00ec)<\/h2>\n\n\n\n
B\u1ed9 ph\u1eadn c\u1ea7u ch\u00ec l\u00e0 tr\u00e1i tim ch\u1ee9c n\u0103ng c\u1ee7a b\u1ea5t k\u1ef3 c\u1ea7u ch\u00ec n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi n\u00e0o. \u0110\u01b0\u1ee3c ch\u1ebf t\u1ea1o t\u1eeb l\u00e1\/d\u1ea3i b\u1ea1c ho\u1eb7c h\u1ee3p kim b\u1ea1c c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao v\u1edbi ti\u1ebft di\u1ec7n \u0111\u01b0\u1ee3c hi\u1ec7u ch\u1ec9nh ch\u00ednh x\u00e1c, b\u1ed9 ph\u1eadn d\u1eabn \u0111i\u1ec7n n\u00e0y mang d\u00f2ng \u0111i\u1ec7n ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng li\u00ean t\u1ee5c m\u00e0 kh\u00f4ng b\u1ecb qu\u00e1 nhi\u1ec7t. Khi d\u00f2ng \u0111i\u1ec7n qu\u00e1 t\u1ea3i ho\u1eb7c ng\u1eafn m\u1ea1ch ch\u1ea1y qua b\u1ed9 ph\u1eadn n\u00e0y, n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t I\u00b2R l\u00e0m t\u0103ng nhi\u1ec7t \u0111\u1ed9 nhanh ch\u00f3ng cho \u0111\u1ebfn khi kim lo\u1ea1i tan ch\u1ea3y v\u00e0 bay h\u01a1i, t\u1ea1o ra m\u1ed9t khe h\u1edf v\u1eadt l\u00fd b\u00ean trong h\u1ed9p \u0111\u1ec3 ng\u1eaft m\u1ea1ch.
\u0110\u1ed1i v\u1edbi c\u1ea7u ch\u00ec quang \u0111i\u1ec7n gPV, h\u00ecnh d\u1ea1ng ph\u1ea7n t\u1eed \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf c\u1ea9n th\u1eadn \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u1ea3 d\u00f2ng ng\u1eafn m\u1ea1ch l\u1edbn v\u00e0 d\u00f2ng s\u1ef1 c\u1ed1 ng\u01b0\u1ee3c t\u01b0\u01a1ng \u0111\u1ed1i th\u1ea5p t\u1eeb c\u00e1c chu\u1ed7i PV m\u1eafc song song \u2014 m\u1ed9t y\u00eau c\u1ea7u quan tr\u1ecdng m\u00e0 c\u00e1c c\u1ea7u ch\u00ec \u0111a n\u0103ng gG th\u00f4ng th\u01b0\u1eddng kh\u00f4ng th\u1ec3 \u0111\u00e1p \u1ee9ng. V\u1eadt li\u1ec7u b\u1ea1c mang l\u1ea1i hi\u1ec7u su\u1ea5t ch\u1ed1ng l\u00e3o h\u00f3a \u1ed5n \u0111\u1ecbnh l\u00e2u d\u00e0i ngay c\u1ea3 d\u01b0\u1edbi s\u1ef1 thay \u0111\u1ed5i nhi\u1ec7t \u0111\u1ed9 theo chu k\u1ef3 th\u01b0\u1eddng g\u1eb7p trong c\u00e1c h\u1ec7 th\u1ed1ng n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi ngo\u00e0i tr\u1eddi.<\/p>\n\n\n\n
2. Ch\u1ea5t \u0111\u1ed9n h\u1ed3 quang t\u00f4i c\u00e1t tinh khi\u1ebft cao<\/h2>\n\n\n\n
Bao quanh ph\u1ea7n t\u1eed c\u1ea7u ch\u00ec b\u00ean trong \u1ed1ng g\u1ed1m l\u00e0 c\u00e1t th\u1ea1ch anh tinh khi\u1ebft cao \u0111\u00e3 \u0111\u01b0\u1ee3c x\u1eed l\u00fd h\u00f3a h\u1ecdc (c\u00e1t silica SiO\u2082). V\u1eadt li\u1ec7u d\u1ea1ng h\u1ea1t n\u00e0y l\u00e0 \u0111\u1eb7c \u0111i\u1ec3m quan tr\u1ecdng nh\u1ea5t gi\u00fap d\u1eadp t\u1eaft h\u1ed3 quang \u0111i\u1ec7n m\u1ed9t chi\u1ec1u m\u1ed9t c\u00e1ch an to\u00e0n. Khi ph\u1ea7n t\u1eed c\u1ea7u ch\u00ec b\u1ed1c h\u01a1i trong qu\u00e1 tr\u00ecnh s\u1ef1 c\u1ed1, m\u1ed9t h\u1ed3 quang \u0111i\u1ec7n m\u1ed9t chi\u1ec1u d\u1eabn \u0111i\u1ec7n s\u1ebd h\u00ecnh th\u00e0nh tr\u00ean khe h\u1edf kim lo\u1ea1i b\u1ecb \u0111\u1ee9t. V\u00ec d\u00f2ng \u0111i\u1ec7n m\u1ed9t chi\u1ec1u kh\u00f4ng c\u00f3 \u0111i\u1ec3m giao nhau b\u1eb1ng kh\u00f4ng t\u1ef1 nhi\u00ean nh\u01b0 m\u1ea1ch \u0111i\u1ec7n xoay chi\u1ec1u, n\u00ean h\u1ed3 quang \u0111i\u1ec7n m\u1ed9t chi\u1ec1u c\u00f3 th\u1ec3 duy tr\u00ec v\u00e0 g\u00e2y ra thi\u1ec7t h\u1ea1i nghi\u00eam tr\u1ecdng n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c d\u1eadp t\u1eaft ngay l\u1eadp t\u1ee9c.
C\u00e1t th\u1ea1ch anh h\u1ea5p th\u1ee5 n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t h\u1ed3 quang kh\u1ed5ng l\u1ed3, tan ch\u1ea3y c\u1ee5c b\u1ed9 th\u00e0nh v\u1eadt li\u1ec7u fulgurite gi\u1ed1ng th\u1ee7y tinh c\u00e1ch \u0111i\u1ec7n, v\u00e0 l\u00e0m t\u1eafc ngh\u1ebdn v\u00e0 d\u1eadp t\u1eaft h\u1ed3 quang DC trong v\u00f2ng mili gi\u00e2y. K\u00edch th\u01b0\u1edbc h\u1ea1t, \u0111\u1ed9 tinh khi\u1ebft v\u00e0 m\u1eadt \u0111\u1ed9 n\u00e9n c\u1ee7a c\u00e1t th\u1ea1ch anh \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t ch\u1eb7t ch\u1ebd trong qu\u00e1 tr\u00ecnh s\u1ea3n xu\u1ea5t \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng ng\u1eaft m\u1ea1ch \u0111\u1ecbnh m\u1ee9c (th\u01b0\u1eddng l\u00e0 20kA-50kA \u0111\u1ed1i v\u1edbi c\u1ea7u ch\u00ec PV DC 1000V-1500V th\u00f4ng d\u1ee5ng).<\/p>\n\n\n\n
3. Th\u00e2n c\u1ea7u ch\u00ec g\u1ed1m c\u01b0\u1eddng \u0111\u1ed9 cao (\u1ed1ng c\u1ea7u ch\u00ec)<\/h2>\n\n\n\n
V\u1ecf ngo\u00e0i ch\u00ednh \u0111\u01b0\u1ee3c l\u00e0m b\u1eb1ng g\u1ed1m alumina cao ho\u1eb7c s\u1ee9 steatit. Th\u00e2n g\u1ed1m n\u00e0y \u0111\u1ea3m nhi\u1ec7m ba ch\u1ee9c n\u0103ng c\u1ed1t l\u00f5i:
1. Kh\u1ea3 n\u0103ng c\u00e1ch \u0111i\u1ec7n tuy\u1ec7t v\u1eddi cho ho\u1ea1t \u0111\u1ed9ng \u1edf \u0111i\u1ec7n \u00e1p DC cao (600 V, 1000 V ho\u1eb7c 1500 V DC);
2. H\u1ec7 th\u1ed1ng ng\u0103n ch\u1eb7n c\u01a1 h\u1ecdc kh\u00ed n\u00f3ng \u00e1p su\u1ea5t cao v\u00e0 plasma sinh ra trong qu\u00e1 tr\u00ecnh ng\u1eaft h\u1ed3 quang \u0111\u1ec3 ng\u0103n ng\u1eeba v\u1ee1 v\u1ecf thi\u1ebft b\u1ecb;
3. \u0110\u1ed9 c\u1ee9ng v\u1eefng c\u1ee7a k\u1ebft c\u1ea5u \u0111\u1ec3 ch\u1ed1ng l\u1ea1i rung \u0111\u1ed9ng ngo\u00e0i tr\u1eddi, chu k\u1ef3 nhi\u1ec7t v\u00e0 va \u0111\u1eadp c\u01a1 h\u1ecdc trong qu\u00e1 tr\u00ecnh v\u1eadn chuy\u1ec3n v\u00e0 v\u1eadn h\u00e0nh th\u1ef1c \u0111\u1ecba.
T\u1ea5t c\u1ea3 c\u00e1c th\u00f4ng s\u1ed1 \u0111i\u1ec7n \u00e1p, d\u00f2ng \u0111i\u1ec7n, lo\u1ea1i s\u1eed d\u1ee5ng. gPV<\/code>, Th\u00f4ng tin v\u1ec1 kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i v\u00e0 c\u00e1c k\u00fd hi\u1ec7u ti\u00eau chu\u1ea9n \u0111\u01b0\u1ee3c in ho\u1eb7c d\u1eadp n\u1ed5i tr\u00ean b\u1ec1 m\u1eb7t ngo\u00e0i c\u1ee7a g\u1ed1m \u0111\u1ec3 k\u1ef9 thu\u1eadt vi\u00ean l\u1eafp \u0111\u1eb7t n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi c\u00f3 th\u1ec3 nh\u1eadn bi\u1ebft nhanh ch\u00f3ng t\u1ea1i ch\u1ed7.<\/p>\n\n\n\n
4. N\u1eafp b\u1ecbt \u0111\u1ea7u b\u1eb1ng kim lo\u1ea1i v\u00e0 c\u00e1c kh\u1edbp n\u1ed1i ti\u1ebfp x\u00fac b\u00ean trong<\/h2>\n\n\n\n
C\u00e1c n\u1eafp b\u1ecbt \u0111\u1ea7u b\u1eb1ng \u0111\u1ed3ng thau ho\u1eb7c h\u1ee3p kim \u0111\u1ed3ng \u0111\u01b0\u1ee3c \u00e9p ch\u1eb7t ho\u1eb7c h\u00e0n \u0111i\u1ec3m v\u00e0o c\u1ea3 hai \u0111\u1ea7u h\u1edf c\u1ee7a \u1ed1ng g\u1ed1m. C\u00e1c n\u1eafp b\u1ecbt \u0111\u1ea7u c\u00f3 hai vai tr\u00f2 ch\u00ednh: chuy\u1ec3n ti\u1ebfp \u0111i\u1ec7n \u0111\u00e1ng tin c\u1eady gi\u1eefa ph\u1ea7n t\u1eed c\u1ea7u ch\u00ec b\u00ean trong v\u00e0 c\u00e1c ti\u1ebfp \u0111i\u1ec3m l\u00f2 xo c\u1ee7a gi\u00e1 \u0111\u1ee1 c\u1ea7u ch\u00ec b\u00ean ngo\u00e0i, c\u1ed9ng v\u1edbi vi\u1ec7c l\u00e0m k\u00edn c\u01a1 h\u1ecdc \u0111\u1ec3 gi\u1eef cho ch\u1ea5t \u0111\u1ed9n th\u1ea1ch anh \u0111\u01b0\u1ee3c ni\u00eam phong b\u00ean trong th\u00e2n h\u1ed9p. M\u1ed9t s\u1ed1 m\u1eabu c\u1ea7u ch\u00ec quang \u0111i\u1ec7n t\u00edch h\u1ee3p c\u00e1c ch\u00e2n ch\u1ec9 b\u00e1o b\u1ecb \u0111\u1ee9t c\u1ea7u ch\u00ec tr\u1ef1c quan b\u00ean trong c\u00e1c n\u1eafp b\u1ecbt \u0111\u1ea7u, cho ph\u00e9p nh\u00e2n vi\u00ean hi\u1ec7n tr\u01b0\u1eddng nhanh ch\u00f3ng x\u00e1c nh\u1eadn t\u00ecnh tr\u1ea1ng c\u1ea7u ch\u00ec b\u1ecb \u0111\u1ee9t m\u00e0 kh\u00f4ng c\u1ea7n th\u00e1o r\u1eddi ph\u1ea7n c\u1ee9ng h\u1ed9p k\u1ebft h\u1ee3p.
C\u00e1c m\u1ed1i h\u00e0n \u0111i\u1ec3m gi\u1eefa ph\u1ea7n t\u1eed c\u1ea7u ch\u00ec b\u1ea1c v\u00e0 n\u1eafp ch\u1ee5p b\u1eb1ng \u0111\u1ed3ng gi\u00fap ki\u1ec3m so\u00e1t \u0111i\u1ec7n tr\u1edf ti\u1ebfp x\u00fac \u0111\u1ee7 th\u1ea5p \u0111\u1ec3 tr\u00e1nh hi\u1ec7n t\u01b0\u1ee3ng qu\u00e1 nhi\u1ec7t b\u1ea5t th\u01b0\u1eddng trong qu\u00e1 tr\u00ecnh v\u1eadn h\u00e0nh li\u00ean t\u1ee5c d\u01b0\u1edbi d\u00f2ng \u0111i\u1ec7n \u0111\u1ecbnh m\u1ee9c c\u1ee7a chu\u1ed7i PV. C\u00e1c \u0111i\u1ec3m h\u00e0n k\u00e9m ch\u1ea5t l\u01b0\u1ee3ng s\u1ebd t\u1ea1o ra c\u00e1c \u0111i\u1ec3m n\u00f3ng v\u00e0 g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng n\u1ed5 s\u1edbm kh\u00f4ng mong mu\u1ed1n trong c\u00e1c nh\u00e0 m\u00e1y \u0111i\u1ec7n m\u1eb7t tr\u1eddi th\u1ef1c t\u1ebf.<\/p>\n\n\n\n
5. C\u01a1 ch\u1ebf b\u00e1o hi\u1ec7u th\u1ed5i (t\u00f9y ch\u1ecdn)<\/h2>\n\n\n\n
Nhi\u1ec1u c\u1ea7u ch\u00ec quang \u0111i\u1ec7n t\u1ea7m trung \u0111\u1ebfn cao c\u1ea5p bao g\u1ed3m m\u1ed9t ch\u1ed1t ch\u1ec9 b\u00e1o nh\u1ecf c\u00f3 l\u00f2 xo. Khi ph\u1ea7n t\u1eed c\u1ea7u ch\u00ec tan ch\u1ea3y trong \u0111i\u1ec1u ki\u1ec7n s\u1ef1 c\u1ed1, l\u00f2 xo s\u1ebd \u0111\u1ea9y ch\u1ed1t ch\u1ec9 b\u00e1o ra ngo\u00e0i, cung c\u1ea5p ph\u1ea3n h\u1ed3i tr\u1ef1c quan r\u00f5 r\u00e0ng th\u00f4ng qua c\u1eeda s\u1ed5 ki\u1ec3m tra c\u1ee7a h\u1ed9p c\u1ea7u ch\u00ec t\u01b0\u01a1ng \u1ee9ng. \u0110i\u1ec1u n\u00e0y gi\u00fap gi\u1ea3m th\u1eddi gian kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 b\u1ea3o tr\u00ec trong c\u00e1c h\u1ec7 th\u1ed1ng h\u1ed9p k\u1ebft n\u1ed1i trang tr\u1ea1i n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi quy m\u00f4 l\u1edbn. C\u1ea7u ch\u00ec PV c\u00f3 trang b\u1ecb ch\u1ec9 b\u00e1o \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb m\u1ea1nh m\u1ebd cho c\u00e1c d\u1ef1 \u00e1n quang \u0111i\u1ec7n th\u01b0\u01a1ng m\u1ea1i v\u00e0 quy m\u00f4 ti\u1ec7n \u00edch.<\/p>\n\n\n\n
Ph\u1ee5 ki\u1ec7n ph\u1ea7n c\u1ee9ng b\u00ean ngo\u00e0i t\u01b0\u01a1ng th\u00edch: Gi\u00e1 \u0111\u1ee1 c\u1ea7u ch\u00ec PV (B\u1ed9 \u0111\u1ebf c\u1ea7u ch\u00ec)<\/h2>\n\n\n\n
M\u1ed9t b\u1ed9 b\u1ea3o v\u1ec7 quang \u0111i\u1ec7n ho\u00e0n ch\u1ec9nh kh\u00f4ng ch\u1ec9 bao g\u1ed3m m\u1ed7i c\u1ea7u ch\u00ec; m\u00e0 c\u00f2n c\u1ea7n m\u1ed9t gi\u00e1 \u0111\u1ee1 c\u1ea7u ch\u00ec PV \u0111\u1ea1t chu\u1ea9n DC \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn ph\u00f9 h\u1ee3p. C\u00e1c th\u00e0nh ph\u1ea7n ch\u00ednh c\u1ee7a gi\u00e1 \u0111\u1ee1 c\u1ea7u ch\u00ec:
1.K\u1eb9p ti\u1ebfp x\u00fac h\u1ee3p kim \u0111\u1ed3ng c\u00f3 l\u00f2 xo<\/strong>\u00c1p d\u1ee5ng l\u1ef1c ti\u1ebfp x\u00fac \u1ed5n \u0111\u1ecbnh l\u00ean c\u00e1c \u0111\u1ea7u ch\u1ee5p c\u1ea7u ch\u00ec, gi\u1ea3m thi\u1ec3u \u0111i\u1ec7n tr\u1edf ti\u1ebfp x\u00fac v\u00e0 nguy c\u01a1 qu\u00e1 nhi\u1ec7t;
2..Nh\u00e0 c\u00e1ch nhi\u1ec7t<\/strong>: Nh\u1ef1a k\u1ef9 thu\u1eadt ch\u1ecbu nhi\u1ec7t \u0111\u1ed9 cao, c\u00f3 th\u1ec3 l\u1eafp \u0111\u1eb7t tr\u00ean thanh ray DIN ho\u1eb7c l\u1eafp \u0111\u1eb7t d\u1ea1ng t\u1ea5m b\u00ean trong h\u1ed9p k\u1ebft h\u1ee3p PV;
3.\u0110\u1ea7u n\u1ed1i c\u00e1p ki\u1ec3u v\u00edt<\/strong>\u0110\u01b0\u1ee3c thi\u1ebft k\u1ebf cho h\u1ec7 th\u1ed1ng d\u00e2y c\u00e1p DC n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi;
4.C\u1eeda s\u1ed5 ki\u1ec3m tra tr\u1ef1c quan<\/strong>: D\u00f9ng \u0111\u1ec3 quan s\u00e1t tr\u1ea1ng th\u00e1i c\u1ee7a \u0111\u00e8n b\u00e1o c\u1ea7u ch\u00ec b\u1ecb ch\u00e1y;
5.Kh\u00f3a an to\u00e0n c\u1eeda cu\u1ed1n (t\u00f9y ch\u1ecdn)<\/strong>Gi\u00fap ng\u0103n ng\u1eeba vi\u1ec7c ng\u01b0\u1eddi d\u00f9ng v\u00f4 t\u00ecnh ch\u1ea1m v\u00e0o c\u00e1c b\u1ed9 ph\u1eadn d\u1eabn \u0111i\u1ec7n trong qu\u00e1 tr\u00ecnh thay th\u1ebf c\u1ea7u ch\u00ec, n\u00e2ng cao an to\u00e0n cho ng\u01b0\u1eddi v\u1eadn h\u00e0nh t\u1ea1i c\u00f4ng tr\u01b0\u1eddng.
L\u01b0u \u00fd quan tr\u1ecdng: Gi\u00e1 \u0111\u1ee1 c\u1ea7u ch\u00ec ph\u1ea3i ph\u00f9 h\u1ee3p ch\u00ednh x\u00e1c v\u1edbi \u0111i\u1ec7n \u00e1p DC \u0111\u1ecbnh m\u1ee9c c\u1ee7a c\u1ea7u ch\u00ec \u0111\u00e3 l\u1eafp \u0111\u1eb7t. Vi\u1ec7c s\u1eed d\u1ee5ng gi\u00e1 \u0111\u1ee1 ch\u1ec9 d\u00e0nh cho d\u00f2ng \u0111i\u1ec7n xoay chi\u1ec1u v\u1edbi c\u1ea7u ch\u00ec quang \u0111i\u1ec7n s\u1ebd t\u1ea1o ra nh\u1eefng nguy hi\u1ec3m ti\u1ec1m \u1ea9n nghi\u00eam tr\u1ecdng v\u1ec1 an to\u00e0n trong c\u00e1c m\u1ea1ch \u0111i\u1ec7n DC n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi.<\/p>\n\n\n\n
C\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng ph\u1ed1i h\u1ee3p c\u1ee7a t\u1ea5t c\u1ea3 c\u00e1c th\u00e0nh ph\u1ea7n trong c\u00e1c s\u1ef1 c\u1ed1 x\u1ea3y ra<\/h2>\n\n\n\n
1.Giai \u0111o\u1ea1n ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng<\/strong>D\u00f2ng \u0111i\u1ec7n m\u1ed9t chi\u1ec1u an to\u00e0n c\u1ee7a chu\u1ed7i PV ch\u1ea1y qua c\u00e1c n\u1eafp ch\u1ee5p \u0111\u1ea7u \u2192 ph\u1ea7n t\u1eed c\u1ea7u ch\u00ec b\u1ea1c \u2192 c\u00e1c n\u1eafp ch\u1ee5p \u0111\u1ea7u \u0111\u1ed1i di\u1ec7n. Nhi\u1ec7t l\u01b0\u1ee3ng sinh ra do t\u1ed5n hao I\u00b2-R c\u1ee7a ph\u1ea7n t\u1eed \u0111\u01b0\u1ee3c t\u1ea3n v\u00e0o c\u00e1t th\u1ea1ch anh v\u00e0 v\u1ecf g\u1ed1m, duy tr\u00ec tr\u1ea1ng th\u00e1i c\u00e2n b\u1eb1ng nhi\u1ec7t \u1ed5n \u0111\u1ecbnh m\u00e0 kh\u00f4ng l\u00e0m tan ch\u1ea3y ph\u1ea7n t\u1eed.
2.Giai \u0111o\u1ea1n l\u1ed7i qu\u00e1 d\u00f2ng \/ ng\u1eafn m\u1ea1ch<\/strong>D\u00f2ng \u0111i\u1ec7n cao b\u1ea5t th\u01b0\u1eddng l\u00e0m t\u0103ng nhi\u1ec7t \u0111\u1ed9 c\u1ee7a linh ki\u1ec7n nhanh ch\u00f3ng; d\u1ea3i c\u1ea7u ch\u00ec b\u1ea1c tan ch\u1ea3y v\u00e0 b\u1ed1c h\u01a1i, t\u1ea1o ra h\u1ed3 quang \u0111i\u1ec7n m\u1ed9t chi\u1ec1u n\u0103ng l\u01b0\u1ee3ng cao b\u00ean trong khoang ch\u1ee9a \u0111\u1ea7y c\u00e1t th\u1ea1ch anh.
3.Giai \u0111o\u1ea1n d\u1eadp t\u1eaft h\u1ed3 quang<\/strong>C\u00e1t th\u1ea1ch anh h\u1ea5p th\u1ee5 n\u0103ng l\u01b0\u1ee3ng nhi\u1ec7t c\u1ee7a h\u1ed3 quang, t\u1ea1o th\u00e0nh c\u00e1c l\u1edbp r\u1eafn c\u00e1ch \u0111i\u1ec7n, ng\u0103n ch\u1eb7n v\u00e0 d\u1eadp t\u1eaft h\u1ed3 quang DC dai d\u1eb3ng trong v\u00f2ng v\u00e0i mili gi\u00e2y. M\u1ea1ch \u0111i\u1ec7n s\u1ebd b\u1ecb h\u1edf v\u0129nh vi\u1ec5n \u0111\u1ec3 b\u1ea3o v\u1ec7 c\u00e1c t\u1ea5m pin m\u1eb7t tr\u1eddi, d\u00e2y d\u1eabn v\u00e0 thi\u1ebft b\u1ecb bi\u1ebfn t\u1ea7n. C\u1ea7u ch\u00ec b\u1ecb \u0111\u1ee9t c\u1ea7n \u0111\u01b0\u1ee3c thay th\u1ebf th\u1ee7 c\u00f4ng sau khi \u0111\u00e3 lo\u1ea1i b\u1ecf nguy\u00ean nh\u00e2n g\u00e2y ra s\u1ef1 c\u1ed1.<\/p>\n\n\n\n
V\u00ec sao ch\u1ea5t l\u01b0\u1ee3ng linh ki\u1ec7n l\u1ea1i quan tr\u1ecdng \u0111\u1ed1i v\u1edbi h\u1ec7 th\u1ed1ng quang \u0111i\u1ec7n<\/h2>\n\n\n\n
C\u1ea7u ch\u00ec quang \u0111i\u1ec7n gPV ti\u00eau chu\u1ea9n tu\u00e2n theo ti\u00eau chu\u1ea9n qu\u1ed1c t\u1ebf IEC 60269-6. Vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c lo\u1ea1i c\u1ea7u ch\u00ec thay th\u1ebf kh\u00f4ng \u0111\u01b0\u1ee3c ch\u1ee9ng nh\u1eadn (c\u1ea7u ch\u00ec gG \u0111\u00e3 \u0111\u01b0\u1ee3c s\u1eeda \u0111\u1ed5i, c\u1ea7u ch\u00ec gi\u00e1 r\u1ebb v\u1edbi ch\u1ea5t \u0111\u1ed9n c\u00f3 \u0111\u1ed9 tinh khi\u1ebft th\u1ea5p ho\u1eb7c c\u00e1c ph\u1ea7n t\u1eed h\u1ee3p kim b\u1ea1c k\u00e9m ch\u1ea5t l\u01b0\u1ee3ng) d\u1eabn \u0111\u1ebfn c\u00e1c ch\u1ebf \u0111\u1ed9 h\u1ecfng h\u00f3c nguy hi\u1ec3m: kh\u00f4ng d\u1eadp t\u1eaft \u0111\u01b0\u1ee3c h\u1ed3 quang DC, v\u1ecf b\u1ecb n\u1ed5, hi\u1ec7n t\u01b0\u1ee3ng n\u1ed5 kh\u00f4ng c\u1ea7n thi\u1ebft d\u01b0\u1edbi d\u00f2ng \u0111i\u1ec7n b\u00ecnh th\u01b0\u1eddng c\u1ee7a chu\u1ed7i, ho\u1eb7c kh\u00f4ng th\u1ec3 lo\u1ea1i b\u1ecf c\u00e1c l\u1ed7i d\u00f2ng \u0111i\u1ec7n ng\u01b0\u1ee3c c\u00f3 c\u01b0\u1eddng \u0111\u1ed9 th\u1ea5p t\u1eeb c\u00e1c chu\u1ed7i n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi m\u1eafc song song.
EssFuse c\u1ea7u ch\u00ec n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi quang \u0111i\u1ec7n<\/a> S\u1eed d\u1ee5ng c\u00e1c ph\u1ea7n t\u1eed nung ch\u1ea3y b\u1ea1c c\u00f3 \u0111\u1ed9 tinh khi\u1ebft cao, c\u00e1t th\u1ea1ch anh \u0111\u01b0\u1ee3c x\u1eed l\u00fd h\u00f3a h\u1ecdc b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p l\u00e0m ngu\u1ed9i h\u1ed3 quang v\u00e0 th\u00e2n g\u1ed1m alumina cao, tu\u00e2n th\u1ee7 ph\u00e2n lo\u1ea1i gPV IEC 60269-6, h\u1ed7 tr\u1ee3 c\u00e1c k\u1ecbch b\u1ea3n b\u1ea3o v\u1ec7 h\u1ec7 th\u1ed1ng quang \u0111i\u1ec7n 1000 V DC v\u00e0 1500 V DC cho c\u00e1c \u1ee9ng d\u1ee5ng h\u1ed9p k\u1ebft h\u1ee3p tr\u00ean m\u00e1i nh\u00e0 d\u00e2n d\u1ee5ng, m\u00e1i nh\u00e0 th\u01b0\u01a1ng m\u1ea1i v\u00e0 trang tr\u1ea1i n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi quy m\u00f4 l\u1edbn.<\/p>\n\n\n\n
C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/h2>\n\n\n\n
H\u1ecfi: C\u1ea7u ch\u00ec AC th\u00f4ng th\u01b0\u1eddng c\u00f3 th\u1ec3 d\u00f9ng l\u00e0m c\u1ea7u ch\u00ec cho h\u1ec7 th\u1ed1ng quang \u0111i\u1ec7n m\u1eb7t tr\u1eddi kh\u00f4ng?
A: Kh\u00f4ng. C\u00e1c c\u1ea7u ch\u00ec lo\u1ea1i AC th\u00f4ng th\u01b0\u1eddng thi\u1ebfu c\u1ea5u tr\u00fac d\u1eadp t\u1eaft h\u1ed3 quang DC t\u1ed1i \u01b0u v\u00e0 \u0111\u1eb7c t\u00ednh d\u00f2ng \u0111i\u1ec7n theo th\u1eddi gian c\u1ee5 th\u1ec3 cho gPV c\u1ea7n thi\u1ebft \u0111\u1ec3 x\u1eed l\u00fd d\u00f2ng \u0111i\u1ec7n s\u1ef1 c\u1ed1 ng\u01b0\u1ee3c chi\u1ec1u trong chu\u1ed7i PV, do \u0111\u00f3 ch\u00fang kh\u00f4ng th\u1ec3 \u0111\u1ea3m b\u1ea3o ng\u1eaft m\u1ea1ch an to\u00e0n trong \u0111i\u1ec1u ki\u1ec7n s\u1ef1 c\u1ed1 h\u1ec7 th\u1ed1ng n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi DC \u0111i\u1ec7n \u00e1p cao.
H\u1ecfi: S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa c\u1ea7u ch\u00ec n\u1ed1i v\u00e0 gi\u00e1 \u0111\u1ee1 c\u1ea7u ch\u00ec l\u00e0 g\u00ec?
A: C\u1ea7u ch\u00ec li\u00ean k\u1ebft l\u00e0 h\u1ed9p ch\u1ee9a v\u1eadt t\u01b0 ti\u00eau hao, s\u1ebd tan ch\u1ea3y v\u00e0 \u0111\u1ee9t khi x\u1ea3y ra s\u1ef1 c\u1ed1. Gi\u00e1 \u0111\u1ee1 c\u1ea7u ch\u00ec l\u00e0 ph\u1ea7n c\u1ee9ng \u0111\u1ebf g\u1eafn c\u1ed1 \u0111\u1ecbnh \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t b\u00ean trong h\u1ed9p n\u1ed1i, c\u00f3 th\u1ec3 t\u00e1i s\u1eed d\u1ee5ng sau khi thay th\u1ebf c\u1ea7u ch\u00ec li\u00ean k\u1ebft b\u1ecb ch\u00e1y. C\u1ea3 hai b\u1ed9 ph\u1eadn ph\u1ea3i c\u00f3 \u0111i\u1ec7n \u00e1p DC \u0111\u1ecbnh m\u1ee9c ph\u00f9 h\u1ee3p cho \u1ee9ng d\u1ee5ng quang \u0111i\u1ec7n.
H\u1ecfi: \u0110i\u1ec1u g\u00ec s\u1ebd x\u1ea3y ra n\u1ebfu ch\u1ea5t \u0111\u1ed9n c\u00e1t th\u1ea1ch anh b\u00ean trong c\u1ea7u ch\u00ec n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi c\u00f3 th\u00e0nh ph\u1ea7n h\u1ea1t k\u00e9m ch\u1ea5t l\u01b0\u1ee3ng?
A: Ch\u1ea5t \u0111\u1ed9n th\u1ea1ch anh k\u00e9m ch\u1ea5t l\u01b0\u1ee3ng l\u00e0m gi\u1ea3m kh\u1ea3 n\u0103ng d\u1eadp t\u1eaft h\u1ed3 quang. Trong \u0111i\u1ec1u ki\u1ec7n s\u1ef1 c\u1ed1 ng\u1eafn m\u1ea1ch, h\u1ed3 quang DC kh\u00f4ng th\u1ec3 \u0111\u01b0\u1ee3c d\u1eadp t\u1eaft k\u1ecbp th\u1eddi, c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn v\u1ee1 v\u1ecf c\u1ea7u ch\u00ec, kh\u00f3i ho\u1eb7c nguy c\u01a1 ch\u00e1y b\u00ean trong h\u1ed9p gh\u00e9p n\u1ed1i PV.<\/p>\n\n\n\n
L\u1eddi b\u1ebf m\u1ea1c<\/h2>\n\n\n\n
M\u1ecdi th\u00e0nh ph\u1ea7n b\u00ean trong c\u1ea7u ch\u00ec quang \u0111i\u1ec7n m\u1eb7t tr\u1eddi<\/a><\/strong> \u0110\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a cho nh\u1eefng th\u00e1ch th\u1ee9c \u0111\u1eb7c th\u00f9 c\u1ee7a vi\u1ec7c ph\u00e1t \u0111i\u1ec7n m\u1eb7t tr\u1eddi d\u00f2ng \u0111i\u1ec7n m\u1ed9t chi\u1ec1u. Hi\u1ec3u r\u00f5 c\u1ea5u t\u1ea1o b\u00ean trong c\u1ee7a c\u1ea7u ch\u00ec gi\u00fap c\u00e1c k\u1ef9 s\u01b0 EPC, ng\u01b0\u1eddi l\u1eafp \u0111\u1eb7t n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi v\u00e0 nh\u00e2n vi\u00ean thu mua \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh l\u1ef1a ch\u1ecdn linh ki\u1ec7n s\u00e1ng su\u1ed1t cho c\u00e1c d\u1ef1 \u00e1n n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi. Khi l\u1ef1a ch\u1ecdn thi\u1ebft b\u1ecb b\u1ea3o v\u1ec7 quang \u0111i\u1ec7n, h\u00e3y lu\u00f4n ki\u1ec3m tra ph\u00e2n lo\u1ea1i gPV, tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n IEC 60269-6, \u0111i\u1ec7n \u00e1p DC \u0111\u1ecbnh m\u1ee9c v\u00e0 c\u00e1c th\u00f4ng s\u1ed1 v\u1ec1 kh\u1ea3 n\u0103ng ng\u1eaft m\u1ea1ch.
N\u1ebfu b\u1ea1n mu\u1ed1n t\u00ecm hi\u1ec3u \u0111\u1ea7y \u0111\u1ee7 c\u00e1c d\u00f2ng c\u1ea7u ch\u00ec quang \u0111i\u1ec7n v\u00e0 gi\u00e1 \u0111\u1ee1 c\u1ea7u ch\u00ec ph\u00f9 h\u1ee3p c\u1ee7a EssFuse cho c\u00e1c y\u00eau c\u1ea7u thi\u1ebft k\u1ebf d\u1ef1 \u00e1n n\u0103ng l\u01b0\u1ee3ng m\u1eb7t tr\u1eddi c\u1ee7a m\u00ecnh, h\u00e3y xem trang c\u1ee7a ch\u00fang t\u00f4i. B\u1ed9 s\u01b0u t\u1eadp s\u1ea3n ph\u1ea9m PV-fuse.<\/a><\/p>\n\n\n\n