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Broadband over Power Lines (BPL)

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Prtinac
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icon Broadband over Power Lines (BPL)08.12.2005. u 07:43 - pre 222 meseci
Zdravo drugari,

zanima me koje su prepreke za uvođenje BPL kod nas od strane.... preduzimljivih pojedinaca i privatnih firmi. Znam da se nisam prvi setio, ali me zanima koji sve problemi postoje, pošto se ne razumem ni u ovu našu monopolsku privredu ni u konkretnu power-line-communications tehnologiju.




poz.
 
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SmilieBG
Aleksandar Skodric
NL

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icon Re: Broadband over Power Lines (BPL)08.12.2005. u 14:57 - pre 222 meseci
Kazu da je to buducnost, ali ako u svetu jos nema siroke primene toga, cisto sumnjam da ce bash kod nas zaziveti :) Mi obicno kasnimo u proseku jednu deceniju u tim stvarima :)

Poz,
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Uporedi cene i karakteristike za vise od 10.000 proizvoda, izmedju ostalog:
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tdjokic
Tomislav Djokic
u penziji
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+210 Profil

icon Re: Broadband over Power Lines (BPL)08.12.2005. u 18:41 - pre 222 meseci
http://www.conformity.com/0508/0508review.html ovde je opsiran i zanimljiv tekst, koji u mnogo cemu prevazilazi moje znanje kao laika, ali se po nesto moze razumeti cak i ovako.
Na svetu postoje samo 2 OS-a: 1. Mint, 2. svi ostali!
 
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chatmaster
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icon Re: Broadband over Power Lines (BPL)13.12.2005. u 08:26 - pre 222 meseci
Tu ima poprilicnih problema...

1. Nasa elektricna mreza je "prljava" sto ce reci napon nije isti vec ponegde pada ispod najnize granice da bi elektro-uredjaji radili kako treba.

U Nisu postoji jedan ceo kvart koji je pre 3 godine uveo BPL. Posto su odmah shvatili gde se nalazi problem, morali su u trafo stanicu koja ih snabdeva strujom da ugradi ispravljac napona ($650).

2. Drugi problem je sto bi EPS u slucaju bilo kakvog kvara na elektricnim kablovima optuzio provajdera a to je prepreka koja se ne moze zaobici.
 
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Slobodan Miskovic

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icon Re: Broadband over Power Lines (BPL)20.12.2005. u 02:23 - pre 222 meseci
Texas utility to provide Internet over power lines


DALLAS – The utility TXU Corp. said Monday it will offer high-speed Internet service over power lines to several million Texans as part of a $150 million project aimed at improving its ability to monitor the power grid.

The "smart grid" buildout will enable what would be the nation's largest broadband-over-power line Internet rollout.


Cohn Restaurant
The 10-year partnership with Current Communications Group Inc., a privately held company in Germantown, Md., is not, however, expected to yield residental Internet service until the second half of 2006.

Once completed, the grid will let TXU check meter consumption remotely and pinpoint problems before they become major blackouts.

TXU spokesman Chris Schein said Internet access was secondary to the smart grid capabilities.

"We really believe that what end users are going to appreciate is when the spring storms hit and they don't have an outage," he said. "Or if they do have an outage, it's not as long as it was."

Construction on the smart grid system will begin early next year along TXU's 14,000 miles of transmission lines and 100,000 miles of distribution lines.

The deal gives Current access to more than 2 million business and residential customers, mostly in the Dallas-Fort Worth area.

Proponents say broadband-over-power line technology, or BPL, could be especially significant for rural areas, where high-speed Internet access has lagged due to the higher costs to telecommunications and cable companies of serving sparsely populated areas.

Though pricing and download speeds haven't been finalized, Current vice president Jay Birnbaum expects to compete directly with cable and DSL providers. BPL moves data at roughly the same speeds as cable or DSL lines.

Current's only existing widespread availability is through Cinergy Corp. in Cincinnati, where it charges between $20 to $45 monthly for Internet speeds of up to 3 megabits per second. Birnbaum wouldn't provide subscriber numbers but said the service was available to about 50,000 customers in Ohio.

Current, which counts Google Inc. and The Hearst Corp. among major investors, has smaller pilot projects in Hawaii, Maryland and Southern California.

Most BPL offerings remain in the test phase, said Alan R. Shark, executive director of the Washington-based Broadband Over Power Lines Industry Association. One of the current largest rollouts is in Manassas, Va., where 850 subscribers have signed up since the municipal utility began offering BPL in October.

Shares of Dallas-based TXU Corp. were down $1.49 to close at $52.09 in trading on the New York Stock Exchange. Shares have ranged from $30.22 to $58.29 in the past year.
 
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