{"id":671,"date":"2014-12-12T06:51:02","date_gmt":"2014-12-12T06:51:02","guid":{"rendered":"http:\/\/codienlanh.com\/?p=671"},"modified":"2015-01-22T14:35:42","modified_gmt":"2015-01-22T14:35:42","slug":"tong-quan-ve-he-thong-dien-trong-xay-dung","status":"publish","type":"post","link":"https:\/\/codienlanh.com\/en\/tong-quan-ve-he-thong-dien-trong-xay-dung\/","title":{"rendered":"T\u1ed5ng quan v\u1ec1 h\u1ec7 th\u1ed1ng \u0111i\u1ec7n trong x\u00e2y d\u1ef1ng"},"content":{"rendered":"

<\/p>\n

Trong h\u1ec7 th\u1ed1ng c\u01a1 \u0111i\u1ec7n M&E (Mechanical & Electrical), c\u00f3 r\u1ea5t nhi\u1ec1u h\u1ec7 th\u1ed1ng trong \u0111\u00f3 bao g\u1ed3m h\u1ec7 th\u1ed1ng \u0111i\u1ec7n hay co\u0300n g\u1ecdi l\u00e0 h\u1ec7 th\u1ed1ng \u0111i\u1ec7n n\u1eb7ng (Electrical) v\u00e0 h\u1ec7 th\u1ed1ng \u0111i\u1ec7n nh\u1eb9 ELV (Extra Low Voltage systems) l\u00e0 2 h\u1ea1ng m\u1ee5c quan tr\u1ecdng kh\u00f4ng th\u1ec3 thi\u1ebfu trong c\u00e1c c\u00f4ng tr\u00ecnh x\u00e2y d\u1ef1ng d\u00e2n d\u1ee5ng v\u00e0 c\u00f4ng nghi\u1ec7p. H\u1ec7 th\u1ed1ng \u0111i\u1ec7n chi\u1ebfm kho\u1ea3ng 40-60% kh\u1ed1i l\u01b0\u1ee3ng ph\u1ea7n M&E (t\u00f9y t\u1eebng d\u1ef1 \u00e1n, th\u1eadm ch\u00ed c\u00f3 th\u1ec3 l\u00ean t\u1edbi 70-80%).<\/p>\n

C\u00e1c h\u1ec7 th\u1ed1ng n\u00e0y mang l\u1ea1i c\u00e1c l\u1ee3i \u00edch v\u00e0 ti\u1ec7n d\u1ee5ng r\u1ea5t l\u1edbn, \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c m\u1ecdi y\u00eau c\u1ea7u cho ng\u01b0\u1eddi s\u1eed d\u1ee5ng v\u00e0 Ch\u1ee7 \u0111\u1ea7u t\u01b0 c\u00f4ng tr\u00ecnh
H\u1ec7 th\u1ed1ng \u0111i\u1ec7n \u0111\u1ed9ng l\u1ef1c truy\u1ec1n t\u1ea3i ngu\u1ed3n \u0111i\u1ec7n \u0111\u1ebfn c\u00e1c h\u1ed9, c\u00e1c ph\u1ee5 t\u1ea3i ti\u00eau th\u1ee5 \u0111i\u1ec7n. Bi\u1ebfn n\u0103ng l\u01b0\u1ee3ng \u0111i\u1ec7n th\u00e0nh c\u00e1c d\u1ea1ng n\u0103ng l\u01b0\u1ee3ng kh\u00e1c nh\u01b0 c\u01a1 n\u0103ng, nhi\u1ec7t n\u0103ng \u0111\u1ec3 ph\u1ee5c v\u1ee5 m\u1ee5c \u0111\u00edch c\u1ee7a ng\u01b0\u1eddi s\u1eed d\u1ee5ng.<\/p>\n

\"h\u1ec7<\/a><\/p>\n

H\u1ec7 th\u1ed1ng \u0111i\u1ec7n bao g\u1ed3m c\u00e1c ph\u1ea7n sau \u0111\u00e2y:<\/p>\n

I. \u0110i\u1ec7n n\u1eb7ng:<\/strong><\/p>\n

1.Main power supply:
L\u00e0 h\u1ec7 th\u1ed1ng c\u1ea5p ngu\u1ed3n ch\u00ednh, bao g\u1ed3m c\u00e1c t\u1ee7 trung th\u1ebf, \u0111\u01b0\u1eddng d\u00e2y trung th\u1ebf, m\u00e1y bi\u1ebfn \u00e1p 24kV\/0.4kV v\u00e0 c\u00e1c t\u1ee7 \u0111\u00f3ng c\u1eaft ch\u00ednh ( g\u1ecdi l\u00e0 MSB, main switch board)
C\u00f3 th\u1ec3 c\u00f3 th\u00eam (H\u1ec7 th\u1ed1ng t\u1ef1 \u0111\u1ed9ng \u0111i\u1ec1u ch\u1ec9nh \u0111i\u1ec7n \u00e1p: Automatic Voltage Regulator System, g\u1ecdi t\u1eaft l\u00e0 AVR)<\/p>\n

2. H\u1ec7 th\u1ed1ng m\u00e1y ph\u00e1t v\u00e0 ngu\u1ed3n d\u1ef1 ph\u00f2ng (Backup Generator system):
Bao g\u1ed3m: M\u00e1y ph\u00e1t \u0111i\u1ec7n, b\u1ed3n d\u1ea7u, h\u1ec7 th\u1ed1ng b\u01a1m d\u1ea7u, \u1ed1ng d\u1eabn c\u1ea5p d\u1ea7u, t\u1ee7 ATS, t\u1ee7 h\u00f2a \u0111\u1ed3ng b\u1ed9.
H\u1ec7 th\u1ed1ng aquy d\u1ef1 ph\u00f2ng UPS cho c\u00e1c h\u1ed9 ph\u1ee5 t\u1ea3i lo\u1ea1i 1 nh\u01b0 b\u1ec7nh vi\u1ec7n, trung t\u00e2m th\u00f4ng tin vi\u1ec5n th\u00f4ng, nh\u00e0 qu\u1ed1c h\u1ed9i, \u2026<\/p>\n

3. H\u1ec7 th\u1ed1ng c\u00e1c t\u1ee7 \u0111i\u1ec7n ph\u00e2n ph\u1ed1i: Submain power supply ( bao g\u1ed3m c\u1ea5p \u0111i\u1ec7n cho \u0111\u1ed9ng l\u1ef1c, s\u1ea3n xu\u1ea5t, chi\u1ebfu s\u00e1ng, \u1ed5 c\u1eafm,\u2026<\/p>\n

4. H\u1ec7 th\u1ed1ng chi\u1ebfu s\u00e1ng (Lighting): H\u1ec7 th\u1ed1ng chi\u1ebfu sa\u0301ng sinh ho\u1ea1t, chi\u1ebfu sa\u0301ng s\u1ea3n xu\u1ea5t, kinh doanh, chi\u1ebfu s\u00e1ng m\u1ef9 thu\u1eadt trang tri\u0301 \u0111\u00f4 th\u1ecb, qu\u1ea3ng ca\u0301o, chi\u1ebfu s\u00e1ng \u0111\u01b0\u1eddng ph\u1ed1 \u0111\u00f4 th\u1ecb, \u2026<\/p>\n

5. H\u1ec7 th\u1ed1ng \u1ed5 c\u1eafm: Socket outlet<\/p>\n

6. H\u1ec7 th\u1ed1ng chi\u1ebfu s\u00e1ng ch\u1ec9 d\u1eabn va\u0300 chi\u1ebfu sa\u0301ng s\u1ef1 c\u1ed1 (Emergency Lighting, Exit Lighting & Sign Boards).<\/p>\n

7. H\u1ec7 th\u1ed1ng ti\u1ebfp \u0111\u1ecba: Earthing system ( or grounding system)
H\u1ec7 th\u1ed1ng ti\u1ebfp \u0111\u1ecba l\u00e0 t\u1eadp h\u1ee3p c\u00e1c v\u1eadt th\u1ec3 c\u00f3 kh\u1ea3 n\u0103ng d\u1eabn \u0111i\u1ec7n \u1edf b\u1ea5t k\u1ef3 h\u00ecnh d\u1ea1ng n\u00e0o (kim lo\u1ea1i d\u1ea1ng \u1ed1ng, thanh, d\u00e2y, t\u1ea5m ho\u1eb7c \u0111i\u1ec7n c\u1ef1c than ch\u00ec, …) \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp v\u1edbi \u0111\u1ea5t v\u00e0 \u0111\u01b0\u1ee3c n\u1ed1i l\u1ea1i v\u1edbi nhau b\u1edfi c\u00e1c d\u00e2y kim lo\u1ea1i, t\u1ea1o v\u1edbi \u0111\u1ea5t s\u1ef1 li\u00ean k\u1ebft v\u1ec1 \u0111i\u1ec7n, c\u00f3 m\u1ed9t \u0111i\u1ec7n tr\u1edf x\u00e1c \u0111\u1ecbnh. C\u00e1c d\u00e2y n\u1ed1i d\u1eabn \u0111i\u1ec7n d\u00f9ng \u0111\u1ec3 n\u1ed1i m\u1ea1ng ti\u1ebfp \u0111\u1ea5t v\u1edbi c\u00e1c k\u1ebft c\u1ea5u kim lo\u1ea1i v\u00e0 thi\u1ebft b\u1ecb \u0111i\u1ec7n c\u1ea7n \u0111\u01b0\u1ee3c ti\u1ebfp \u0111\u1ea5t c\u0169ng l\u00e0 m\u1ed9t b\u1ed9 ph\u1eadn c\u1ee7a h\u1ec7 th\u1ed1ng ti\u1ebfp \u0111\u1ea5t. H\u1ec7 th\u1ed1ng ti\u1ebfp \u0111\u1ea5t c\u00f3 th\u1ec3 chia ra nhi\u1ec1u ch\u1ee9c n\u0103ng nh\u01b0: ti\u1ebfp \u0111\u1ea5t ch\u1ed1ng s\u00e9t, ti\u1ebfp \u0111\u1ea5t c\u00f4ng t\u00e1c, ti\u1ebfp \u0111\u1ea5t b\u1ea3o v\u1ec7.v.v.
Bao g\u1ed3m: H\u1ec7 th\u1ed1ng c\u1ecdc ti\u1ebfp \u0111\u1ea5t, thanh ti\u1ebfp \u0111\u1ea5t, h\u1ed9p ki\u1ec3m tra, \u0111ai \u0111\u1eb3ng th\u1ebf, d\u00e2y d\u1eabn s\u00e9t, b\u1ed9 \u0111\u1ebfm s\u00e9t kim thu s\u00e9t, kim thu se\u0301t. Vi\u1ec7c thi\u1ebft k\u1ebf, ch\u1ecdn v\u1eadt li\u1ec7u, ph\u01b0\u01a1ng th\u1ee9c ti\u1ebfp \u0111\u1ea5t c\u1ea7n d\u1ef1a tr\u00ean c\u01a1 s\u1edf t\u00ednh to\u00e1n v\u00e0 \u0111\u1eb7c \u0111i\u1ec3m \u0111\u1ecba h\u00ecnh c\u1ee5 th\u1ec3.<\/p>\n

8. H\u1ec7 th\u1ed1ng ch\u1ed1ng s\u00e9t: Lightning protection system ( bao g\u1ed3m c\u00e1c c\u1ecdc ti\u1ebfp \u0111\u1ecba v\u00e0 kim thu s\u00e9t, kh\u00e1c h\u1ec7 th\u1ed1ng ti\u1ebfp \u0111\u1ecba)
H\u1ec7 th\u1ed1ng thu l\u00f4i tho\u00e1t s\u00e9t l\u00e0 n\u01a1i \u0111\u00f3n nh\u1eadn v\u00e0 l\u00e0m ti\u00eau t\u00e1n d\u00f2ng \u0111i\u1ec7n do s\u00e9t \u0111\u00e1nh tr\u1ef1c ti\u1ebfp. M\u1ed7i d\u00e2y d\u1eabn \u0111i xu\u1ed1ng \u0111\u1ec1u ph\u1ea3i \u0111\u01b0\u1ee3c n\u1ed1i v\u1edbi h\u1ec7 th\u1ed1ng ti\u1ebfp \u0111\u1ea5t v\u00e0 ph\u1ea3i \u0111\u01b0\u1ee3c li\u00ean k\u1ebft t\u1ed1t v\u1ec1 \u0111i\u1ec7n. M\u1ed9t h\u1ec7 th\u1ed1ng ti\u1ebfp \u0111\u1ea5t ch\u1ed1ng s\u00e9t t\u1ed1t s\u1ebd ch\u1ecbu \u0111\u01b0\u1ee3c d\u00f2ng s\u00e9t \u0111\u00e1nh, l\u00e0m ti\u00eau t\u00e1n d\u00f2ng \u0111i\u1ec7n m\u1ed9t c\u00e1ch nhanh ch\u00f3ng v\u00e0 an to\u00e0n. M\u1ed9t y\u00eau c\u1ea7u quan tr\u1ecdng h\u00e0ng \u0111\u1ea7u l\u00e0 h\u1ec7 th\u1ed1ng ti\u1ebfp \u0111\u1ea5t ch\u1ed1ng s\u00e9t tr\u1ef1c ti\u1ebfp l\u00e0 ph\u1ea3i c\u00f3 gi\u00e1 tr\u1ecb \u0111i\u1ec7n tr\u1edf ti\u1ebfp \u0111\u1ea5t nh\u1ecf h\u01a1n 10 Ohm. H\u1ec7 th\u1ed1ng ti\u1ebfp \u0111\u1ea5t ch\u1ed1ng s\u00e9t ph\u1ea3i \u0111\u1ea3m b\u1ea3o ti\u00eau t\u00e1n d\u00f2ng s\u00e9t, qu\u00e1 \u00e1p v\u00e0 kh\u00f4ng g\u00e2y nguy hi\u1ec3m do \u0111i\u1ec7n \u00e1p b\u01b0\u1edbc g\u00e2y ra.<\/p>\n

II. \u0110i\u1ec7n nh\u1eb9:<\/strong>
1. H\u1ec7 th\u1ed1ng m\u1ea1ng Lan v\u00e0 Internet: Data network system
2. H\u1ec7 th\u1ed1ng \u0111i\u1ec7n tho\u1ea1i: Telephone system
3. H\u1ec7 th\u1ed1ng an ninh gi\u00e1m s\u00e1t: Security & Supervisior system. ( CCTV)
4. H\u1ec7 th\u1ed1ng PA ( public address system) \u2026.<\/p>\n

<\/p>","protected":false},"excerpt":{"rendered":"

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