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  • XML Parsing Error at 1:66. Error 9: Invalid character
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  • XML Parsing Error at 1:187. Error 9: Invalid character
  • XML Parsing Error at 1:66. Error 9: Invalid character
Trang ch? » TIN T?C » Tin t?c - S? ki?n » Gi?i php ti?t ki?m ?i?n ccho nh tr?m BTS

Do yu c?u pht tri?n m?ng 3G nn cc nh m?ng ph?i l?p ??t thm cc tr?m BTS . Tnh ??n cu?i thng 8 n?m 2010 c? n??c ta c kho?ng 60.000 tr?m BTS ???c l?p ??t. Th?ng k cho th?y n?u m?t ngy m?t tr?m BTS tiu th? kho?ng 30 Kwh ?i?n, tnh gi ?i?n 3.000 ??ng/1Kwh, th m?t ngy 60.000 tr?m ny s? tiu t?n h?t :  60.000 x 30 x 3.000 =  5.4 t? ??ng ti?n ?i?n. M?t con s? khng h? nh? v ch?a k? ??n hi?n nay s? tr?m BTS cn nhi?u h?n con s? 60.000 th chi ph ti?n ?i?n ? s? v??t xa 5.4 t? ??ng.

Chi ph v? ?i?n cho cc tr?m BTS trn 5.4 t? m?t ngy, ch?a tnh th?t thot ???ng dy, hi?u su?t thi?t b? , gi ?i?n ngy m?t t?ng v ngu?n nguyn li?u ?? s?n xu?t ?i?n cng khan hi?m. Cc nh cung c?p d?ch v? vi?n thng tm gi?i php ti?t ki?m ?i?n v ngu?n n?ng l??ng thay th? no ?? gi?m cc chi ph ??u t? v? ?i?n ? C hai gi?i php hi?n nay ???c ?? ra l : S? d?ng ngu?n ?i?n s?ch v v t?n t? vi?c dng turbine s?c gi v pin n?ng l??ng m?t tr?i.

1.    Dng turbine gi cung c?p tr?c ti?p ngu?n ?i?n AC cho nh tr?m BTS


- H? th?ng ny s? d?ng n?ng l??ng gi v ?i?n l??i qu?c gia ?? cung c?p ngu?n cho tr?m BTS ho?t ??ng. Ngu?n ?i?n l??i ???c ??u vo ng? AC IN c?a Inverter ??m nh?n 2 nhi?m v? chnh ? l cung c?p ?i?n cho t?i ? tr?m BTS ho?t ??ng ??ng th?i s?c cc bnh accu thnh ngu?n l?u d? tr? d? phng khi b? m?t ?i?n.
- Tuabin gi Skystream ???c ??u n?i tr?c ti?p vo ngu?n ?i?n AC OUT t? inverter ra; Khi c gi t?t, turbine gi ho?t ??ng c?p ?i?n cho t?i s? d?ng, n?u t?i s? d?ng khng h?t th n?ng l??ng th?a ? s? ???c bn tr? l?i cho l??i ?i?n ( n?u s? d?ng lo?i inverter Grid tie) ho?c dng ?? h? tr? s?c accu trong h? th?ng d? tr?. ?i?u ny s? lm gi?m ha ??n tnh ti?n ?i?n r?t ?ng k? vo m?i thng cho ch? ??u t?.
- Khi ?i?n l??i m?t, tr?m BTS s? s? d?ng ngu?n ?i?n d? phng ? ???c n?p b?i cc accu. Turbine gi l?y ngu?n AC t? Inverter ra nn v?n ho?t ??ng bnh th??ng v c?p ?i?n tr? l?i cho t?i v s?c cho accu n?u c d? n?ng l??ng.
- V v?y khi thi?t k? ?? cng su?t,h? th?ng ny s? ho?t ??ng lin t?c b?t ch?p ngu?n ?i?n l??i m?t ?i?n th??ng xuyn. ??ng th?i ti?t ki?m ???c r?t nhi?u chi ph cho vi?c gi?m s? d?ng ?i?n l??icho tr?m BTS.

- Trong tr??ng h?p ngu?n d? tr? accu t v n?ng l??ng gi th?p, khng ?? cung c?p ?i?n cho tr?m khi m?t ?i?n l??i.Th h? th?ng d? phng nn c thm 1 my pht ?i?n ?? b? sung cho tr??ng h?p ngu?n n?ng l??ng s?ch khng ?? c?p cho tr?m BTS ho?t ??ng.
- V?i h? th?ng ny, cc thi?t b? trong nh tr?m c th? ho?t ??ng 24h/ 24h m chi ph ?ng ti?n ?i?n gi?m r?t ?ng k?, 

2.    Cung c?p ngu?n ?i?n DC cho h? th?ng BTS b?ng turbine gi v pin m?t tr?i

- H? th?ng c?p ngu?n cho tr?m BTS g?m ngu?n ?i?n l??i qu?c gia v h? th?ng n?ng l??ng gi k?t h?p v?i n?ng l??ng m?t tr?i. H? th?ng ngu?n n?ng l??ng s?ch ny cung c?p ngu?n DC ?? s?c ??y cc bnh accu.
- H? th?ng s? dng ?i?n l??i n?i vo AC INPUT c?a Inverter ?? h? tr? c?p ngu?n AC cho t?i v s?c accu trong tr?m.
- Ngu?n n?ng l??ng t? gi v m?t tr?i k?t h?p s?c ?i?n vo bnh accu, n?ng l??ng ?i?n DC ny ti?p t?c qua inverter ?? chuy?n ha thnh ngu?n AC cung c?p cho t?i h?at ??ng. Ngu?n ?i?n l??i ch? b? sung thm cho ngu?n n?ng l??ng s?ch, khi ngu?n ny khng ?? s?c c?p cho t?i s? d?ng. Ho?c ngu?n ?i?n l??i ch? ho?t ??ng ?? duy tr h? th?ng, v v?y s? ti?t ki?m ???c chi ph ti?n ?i?n hng thng ph?i tr?.
- S? d?ng ngu?n n?ng l??ng k?t h?p gi?a gi v m?t tr?i s? t?n d?ng h?t ?u ?i?m c?a hai lo?i n?ng l??ng ny v lm h?n ch? cc nh??c ?i?m c?a chng.

- Khi m?t ?i?n l??i,h? th?ng s? s? d?ng ngu?n n?ng l??ng d? tr?. Cc t?m PV v turbine gi ho?t ??ng v s?c ??y cho cc bnh accu. Inverter th l?y n?ng l??ng DC ?? chuy?n ha thnh ?i?n AC ph?c v? cho t?i ho?t ??ng. N?u c? hai ngu?n n?ng l??ng gi v m?t tr?i c?ng khng ?? th h? th?ng tr?m c th? thm 1 my pht ?i?n d? phng . ?i?u ny s? ??m b?o h? th?ng nh tr?m ho?t ??ng 24h/ 24h m ti?t ki?m ???c r?t nhi?u chi ph ti?n ?i?n v ngu?n nhin li?u qu gi ?? ch?y my pht ?i?n.

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