{"id":6045,"date":"2026-06-06T09:15:33","date_gmt":"2026-06-06T02:15:33","guid":{"rendered":"https:\/\/sunnysolar.vn\/?p=6045"},"modified":"2026-06-06T09:15:33","modified_gmt":"2026-06-06T02:15:33","slug":"su-dung-dung-loai-cap-loi-nhom-trong-he-thong-pv","status":"publish","type":"post","link":"https:\/\/sunnysolar.vn\/en\/su-dung-dung-loai-cap-loi-nhom-trong-he-thong-pv\/","title":{"rendered":"S\u1eed d\u1ee5ng \u0111\u00fang lo\u1ea1i c\u00e1p l\u00f5i nh\u00f4m trong h\u1ec7 th\u1ed1ng PV"},"content":{"rendered":"

\"\"<\/h1>\n

S\u1eed d\u1ee5ng \u0111\u00fang lo\u1ea1i c\u00e1p l\u00f5i nh\u00f4m trong h\u1ec7 th\u1ed1ng PV \u0111\u1ec3 tr\u00e1nh r\u1ee7i ro ch\u00e1y n\u1ed5<\/h1>\n

S\u1eed d\u1ee5ng \u0111\u00fang lo\u1ea1i c\u00e1p l\u00f5i nh\u00f4m trong h\u1ec7 th\u1ed1ng PV<\/strong> l\u00e0 y\u00eau c\u1ea7u quan tr\u1ecdng khi thi c\u00f4ng h\u1ec7 th\u1ed1ng \u0111i\u1ec7n m\u1eb7t tr\u1eddi. N\u1ebfu n\u1ed1i tr\u1ef1c ti\u1ebfp d\u00e2y nh\u00f4m v\u1edbi d\u00e2y \u0111\u1ed3ng ho\u1eb7c \u0111\u1ea7u n\u1ed1i b\u1eb1ng \u0111\u1ed3ng, m\u1ed1i n\u1ed1i c\u00f3 th\u1ec3 t\u0103ng nhi\u1ec7t, oxy h\u00f3a, \u0103n m\u00f2n v\u00e0 g\u00e2y s\u1ef1 c\u1ed1 nghi\u00eam tr\u1ecdng cho bi\u1ebfn t\u1ea7n, \u00e1pt\u00f4m\u00e1t v\u00e0 to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng \u0111i\u1ec7n.<\/p>\n

Trong c\u00e1c d\u1ef1 \u00e1n \u0111i\u1ec7n m\u1eb7t tr\u1eddi d\u00e2n d\u1ee5ng, th\u01b0\u01a1ng m\u1ea1i v\u00e0 nh\u00e0 m\u00e1y PV, c\u00e1p truy\u1ec1n t\u1ea3i l\u01b0\u1edbi \u0111i\u1ec7n \u0111\u00f4i khi s\u1eed d\u1ee5ng l\u00f5i nh\u00f4m \u0111\u1ec3 t\u1ed1i \u01b0u chi ph\u00ed. Tuy nhi\u00ean, vi\u1ec7c d\u00f9ng c\u00e1p l\u00f5i nh\u00f4m c\u1ea7n tu\u00e2n th\u1ee7 \u0111\u00fang k\u1ef9 thu\u1eadt. \u0110\u1eb7c bi\u1ec7t, kh\u00f4ng n\u00ean \u0111\u1ea5u tr\u1ef1c ti\u1ebfp c\u00e1p nh\u00f4m v\u00e0o c\u1ed5ng \u0111\u1ea7u ra bi\u1ebfn t\u1ea7n ho\u1eb7c \u00e1pt\u00f4m\u00e1t c\u00f3 \u0111\u1ea7u n\u1ed1i \u0111\u1ed3ng n\u1ebfu kh\u00f4ng c\u00f3 ph\u1ee5 ki\u1ec7n chuy\u1ec3n ti\u1ebfp ph\u00f9 h\u1ee3p.<\/p>\n

\"\"
L\u1ed7i AC chi\u1ebfm 30% trong c\u00e1c s\u1ef1 c\u1ed1 n\u1ed1i \u0111i\u1ec7n c\u1ee7a nh\u00e0 m\u00e1y PV<\/figcaption><\/figure>\n

V\u00ec sao c\u1ea7n c\u1ea9n th\u1eadn khi d\u00f9ng c\u00e1p l\u00f5i nh\u00f4m trong h\u1ec7 th\u1ed1ng PV?<\/span><\/p>\n

C\u00e1p l\u00f5i nh\u00f4m c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c d\u00f9ng trong h\u1ec7 th\u1ed1ng \u0111i\u1ec7n n\u1ebfu \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf, ch\u1ecdn ti\u1ebft di\u1ec7n v\u00e0 \u0111\u1ea5u n\u1ed1i \u0111\u00fang k\u1ef9 thu\u1eadt. Tuy nhi\u00ean, trong h\u1ec7 th\u1ed1ng PV, khu v\u1ef1c \u0111\u1ea5u n\u1ed1i AC th\u01b0\u1eddng c\u00f3 d\u00f2ng \u0111i\u1ec7n l\u1edbn, v\u1eadn h\u00e0nh nhi\u1ec1u gi\u1edd m\u1ed7i ng\u00e0y v\u00e0 ch\u1ecbu chu k\u1ef3 n\u00f3ng \u2013 ngu\u1ed9i li\u00ean t\u1ee5c.<\/p>\n

N\u1ebfu m\u1ed1i n\u1ed1i kh\u00f4ng \u0111\u1ea1t chu\u1ea9n, \u0111i\u1ec7n tr\u1edf ti\u1ebfp x\u00fac s\u1ebd t\u0103ng. Khi d\u00f2ng \u0111i\u1ec7n \u0111i qua, \u0111i\u1ec3m n\u1ed1i sinh nhi\u1ec7t. Nhi\u1ec7t \u0111\u1ed9 t\u0103ng l\u00e2u ng\u00e0y c\u00f3 th\u1ec3 l\u00e0m l\u00e3o h\u00f3a c\u00e1ch \u0111i\u1ec7n, ch\u00e1y c\u00e1p, h\u1ecfng thi\u1ebft b\u1ecb \u0111\u00f3ng c\u1eaft ho\u1eb7c l\u00e0m bi\u1ebfn t\u1ea7n b\u00e1o l\u1ed7i.<\/p>\n

C\u00e1c l\u1ed7i AC chi\u1ebfm t\u1ef7 l\u1ec7 \u0111\u00e1ng k\u1ec3 trong s\u1ef1 c\u1ed1 \u0111\u1ea5u n\u1ed1i c\u1ee7a nh\u00e0 m\u00e1y PV. V\u00ec v\u1eady, ph\u1ea7n c\u00e1p AC, \u0111\u1ea7u cos, \u00e1pt\u00f4m\u00e1t v\u00e0 \u0111i\u1ec3m \u0111\u1ea5u n\u1ed1i c\u1ea7n \u0111\u01b0\u1ee3c ki\u1ec3m tra k\u1ef9 ngay t\u1eeb giai \u0111o\u1ea1n thi c\u00f4ng.<\/p>\n

\u0110i\u1ec1u g\u00ec x\u1ea3y ra khi n\u1ed1i tr\u1ef1c ti\u1ebfp d\u00e2y \u0111\u1ed3ng v\u00e0 d\u00e2y nh\u00f4m?<\/h2>\n

1. H\u00ecnh th\u00e0nh ph\u1ea3n \u1ee9ng \u0111i\u1ec7n h\u00f3a t\u1ea1i m\u1ed1i n\u1ed1i<\/h3>\n

\u0110\u1ed3ng v\u00e0 nh\u00f4m l\u00e0 hai kim lo\u1ea1i kh\u00e1c nhau. Khi ch\u00fang ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp trong m\u00f4i tr\u01b0\u1eddng c\u00f3 h\u01a1i \u1ea9m, m\u1ed1i n\u1ed1i c\u00f3 th\u1ec3 t\u1ea1o ph\u1ea3n \u1ee9ng \u0111i\u1ec7n h\u00f3a. Nh\u00f4m d\u1ec5 b\u1ecb \u0103n m\u00f2n h\u01a1n, l\u00e0m b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac suy gi\u1ea3m theo th\u1eddi gian.<\/p>\n

Khi b\u1ec1 m\u1eb7t nh\u00f4m b\u1ecb \u0103n m\u00f2n, \u0111i\u1ec3m n\u1ed1i kh\u00f4ng c\u00f2n ch\u1eafc nh\u01b0 ban \u0111\u1ea7u. \u0110i\u1ec7n tr\u1edf ti\u1ebfp x\u00fac t\u0103ng l\u00ean, g\u00e2y n\u00f3ng c\u1ee5c b\u1ed9 t\u1ea1i v\u1ecb tr\u00ed \u0111\u1ea5u n\u1ed1i.<\/p>\n

2. T\u0103ng \u0111i\u1ec7n tr\u1edf ti\u1ebfp x\u00fac sau nhi\u1ec1u chu k\u1ef3 v\u1eadn h\u00e0nh<\/h3>\n

Trong qu\u00e1 tr\u00ecnh h\u1ec7 th\u1ed1ng PV ho\u1ea1t \u0111\u1ed9ng, d\u00f2ng \u0111i\u1ec7n thay \u0111\u1ed5i theo b\u1ee9c x\u1ea1 m\u1eb7t tr\u1eddi. M\u1ed1i n\u1ed1i li\u00ean t\u1ee5c tr\u1ea3i qua chu k\u1ef3 n\u00f3ng l\u00ean v\u00e0 ngu\u1ed9i \u0111i.<\/p>\n

\u0110\u1ed3ng v\u00e0 nh\u00f4m c\u00f3 \u0111\u1eb7c t\u00ednh c\u01a1 h\u1ecdc, \u0111\u1ed9 gi\u00e3n n\u1edf nhi\u1ec7t v\u00e0 \u0111\u1ed9 \u0111\u00e0n h\u1ed3i kh\u00e1c nhau. Sau nhi\u1ec1u chu k\u1ef3 v\u1eadn h\u00e0nh, \u0111i\u1ec3m ti\u1ebfp x\u00fac c\u00f3 th\u1ec3 xu\u1ea5t hi\u1ec7n khe h\u1edf nh\u1ecf. Khe h\u1edf n\u00e0y l\u00e0m \u0111i\u1ec7n tr\u1edf ti\u1ebfp x\u00fac t\u0103ng, khi\u1ebfn m\u1ed1i n\u1ed1i n\u00f3ng h\u01a1n.<\/p>\n

N\u1ebfu kh\u00f4ng ph\u00e1t hi\u1ec7n s\u1edbm, \u0111i\u1ec3m n\u00f3ng c\u00f3 th\u1ec3 l\u00e0m ch\u1ea3y v\u1ecf c\u00e1p, ch\u00e1y \u0111\u1ea7u n\u1ed1i ho\u1eb7c \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn bi\u1ebfn t\u1ea7n v\u00e0 \u00e1pt\u00f4m\u00e1t.<\/p>\n

T\u1ea1i sao kh\u00f4ng th\u1ec3 n\u1ed1i tr\u1ef1c ti\u1ebfp d\u00e2y \u0111\u1ed3ng v\u00e0 d\u00e2y nh\u00f4m?<\/h2>\n

1. \u0110i\u1ec7n tr\u1edf su\u1ea5t c\u1ee7a \u0111\u1ed3ng v\u00e0 nh\u00f4m kh\u00e1c nhau<\/h3>\n

\"\"<\/p>\n

\u0110\u1ed3ng c\u00f3 \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n t\u1ed1t h\u01a1n nh\u00f4m. V\u00ec v\u1eady, v\u1edbi c\u00f9ng d\u00f2ng \u0111i\u1ec7n, d\u00e2y nh\u00f4m th\u01b0\u1eddng c\u1ea7n ti\u1ebft di\u1ec7n l\u1edbn h\u01a1n d\u00e2y \u0111\u1ed3ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng t\u1ea3i d\u00f2ng v\u00e0 h\u1ea1n ch\u1ebf t\u1ed5n hao.<\/p>\n

N\u1ebfu ch\u1ecdn sai ti\u1ebft di\u1ec7n ho\u1eb7c \u0111\u1ea5u n\u1ed1i kh\u00f4ng \u0111\u00fang, d\u00e2y nh\u00f4m c\u00f3 th\u1ec3 n\u00f3ng h\u01a1n m\u1ee9c cho ph\u00e9p.<\/p>\n

2. D\u00e2y nh\u00f4m d\u1ec5 b\u1ecb oxy h\u00f3a trong kh\u00f4ng kh\u00ed<\/h3>\n

\"\"<\/p>\n

B\u1ec1 m\u1eb7t d\u00e2y nh\u00f4m r\u1ea5t d\u1ec5 t\u1ea1o l\u1edbp oxit khi ti\u1ebfp x\u00fac v\u1edbi kh\u00f4ng kh\u00ed. L\u1edbp oxit n\u00e0y c\u00f3 \u0111i\u1ec7n tr\u1edf cao h\u01a1n kim lo\u1ea1i nh\u00f4m b\u00ean trong.<\/p>\n

Khi d\u00e2y nh\u00f4m \u0111\u1ea5u tr\u1ef1c ti\u1ebfp v\u1edbi d\u00e2y \u0111\u1ed3ng ho\u1eb7c \u0111\u1ea7u n\u1ed1i \u0111\u1ed3ng, l\u1edbp oxit c\u00f3 th\u1ec3 l\u00e0m t\u0103ng \u0111i\u1ec7n tr\u1edf t\u1ea1i \u0111i\u1ec3m ti\u1ebfp x\u00fac. D\u00f2ng \u0111i\u1ec7n \u0111i qua \u0111i\u1ec3m n\u00e0y s\u1ebd sinh nhi\u1ec7t, l\u00e0m t\u0103ng nguy c\u01a1 ch\u00e1y n\u1ed5.<\/p>\n

3. \u0110\u1ea7u n\u1ed1i kh\u00f4ng ph\u00f9 h\u1ee3p c\u00f3 th\u1ec3 g\u00e2y l\u1ecfng m\u1ed1i n\u1ed1i<\/h3>\n

Kh\u00f4ng ph\u1ea3i m\u1ecdi \u0111\u1ea7u n\u1ed1i, c\u1ecdc \u0111\u1ea5u ho\u1eb7c \u00e1pt\u00f4m\u00e1t \u0111\u1ec1u ph\u00f9 h\u1ee3p cho c\u1ea3 d\u00e2y \u0111\u1ed3ng v\u00e0 d\u00e2y nh\u00f4m. N\u1ebfu \u0111\u1ea7u n\u1ed1i ch\u1ec9 thi\u1ebft k\u1ebf cho d\u00e2y \u0111\u1ed3ng nh\u01b0ng l\u1ea1i \u0111\u1ea5u d\u00e2y nh\u00f4m v\u00e0o, l\u1ef1c k\u1eb9p v\u00e0 b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac c\u00f3 th\u1ec3 kh\u00f4ng \u0111\u1ea1t y\u00eau c\u1ea7u.<\/p>\n

Trong h\u1ec7 th\u1ed1ng PV, l\u1ed7i n\u00e0y r\u1ea5t nguy hi\u1ec3m v\u00ec d\u00f2ng \u0111i\u1ec7n AC \u0111\u1ea7u ra bi\u1ebfn t\u1ea7n th\u01b0\u1eddng duy tr\u00ec trong th\u1eddi gian d\u00e0i v\u00e0o ban ng\u00e0y.<\/p>\n

C\u00e1ch n\u1ed1i ch\u00ednh x\u00e1c d\u00e2y \u0111\u1ed3ng v\u00e0 d\u00e2y nh\u00f4m trong h\u1ec7 th\u1ed1ng PV<\/h2>\n

1. \u01afu ti\u00ean s\u1eed d\u1ee5ng c\u00e1p AC l\u00f5i \u0111\u1ed3ng<\/h3>\n

Trong h\u1ec7 th\u1ed1ng \u0111i\u1ec7n m\u1eb7t tr\u1eddi, gi\u1ea3i ph\u00e1p an to\u00e0n v\u00e0 \u1ed5n \u0111\u1ecbnh nh\u1ea5t l\u00e0 s\u1eed d\u1ee5ng c\u00e1p AC l\u00f5i \u0111\u1ed3ng cho ph\u1ea7n \u0111\u1ea5u n\u1ed1i t\u1eeb bi\u1ebfn t\u1ea7n \u0111\u1ebfn t\u1ee7 \u0111i\u1ec7n, \u00e1pt\u00f4m\u00e1t v\u00e0 \u0111i\u1ec3m h\u00f2a l\u01b0\u1edbi.<\/p>\n

C\u00e1p \u0111\u1ed3ng c\u00f3 \u0111\u1ed9 d\u1eabn \u0111i\u1ec7n cao, ti\u1ebfp x\u00fac t\u1ed1t v\u1edbi c\u00e1c \u0111\u1ea7u n\u1ed1i \u0111\u1ed3ng ph\u1ed5 bi\u1ebfn v\u00e0 gi\u1ea3m r\u1ee7i ro ph\u00e1t sinh t\u1ea1i \u0111i\u1ec3m chuy\u1ec3n ti\u1ebfp kim lo\u1ea1i.<\/p>\n

2. D\u00f9ng \u0111\u1ea7u n\u1ed1i \u0111\u1ed3ng \u2013 nh\u00f4m khi b\u1eaft bu\u1ed9c d\u00f9ng c\u00e1p nh\u00f4m<\/h3>\n

N\u1ebfu c\u00f4ng tr\u00ecnh c\u1ea7n d\u00f9ng c\u00e1p l\u00f5i nh\u00f4m, kh\u00f4ng n\u00ean n\u1ed1i tr\u1ef1c ti\u1ebfp d\u00e2y nh\u00f4m v\u1edbi d\u00e2y \u0111\u1ed3ng. C\u1ea7n d\u00f9ng \u0111\u1ea7u n\u1ed1i chuy\u1ec3n ti\u1ebfp \u0111\u1ed3ng \u2013 nh\u00f4m ph\u00f9 h\u1ee3p.<\/p>\n

\u0110\u1ea7u n\u1ed1i \u0111\u1ed3ng \u2013 nh\u00f4m gi\u00fap t\u1ea1o \u0111i\u1ec3m chuy\u1ec3n ti\u1ebfp an to\u00e0n h\u01a1n gi\u1eefa hai v\u1eadt li\u1ec7u. Ph\u1ea7n ti\u1ebfp x\u00fac \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 h\u1ea1n ch\u1ebf \u0103n m\u00f2n \u0111i\u1ec7n h\u00f3a v\u00e0 gi\u1ea3m nguy c\u01a1 t\u0103ng \u0111i\u1ec7n tr\u1edf t\u1ea1i m\u1ed1i n\u1ed1i.<\/p>\n

Khi ch\u1ecdn \u0111\u1ea7u n\u1ed1i, c\u1ea7n ki\u1ec3m tra:<\/p>\n