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Utility distribution system

Tento projekt obdržel 6 nabídek od talentovaných freelancerů. Průměrná výše nabídek je $109 USD.

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Pracující zaměstnavatel
Rozpočet projektu
$10 - $30 USD
Nabídky celkem
6
Popis projektu

a single two-transformer substation will be used to supply the transportation hub  the substation will be fed initially from one of the 138 kV lines

 when the transportation hub load reaches 35 MW, the second 138 kV line will be tied into the substation

 the 230 kV line will not be used to serve the transportation hub

1. Start your project by developing a year-by-year load forecast for the first 10 years of the transportation hub. Start the load at 10 MW in year 1, growing to 50 MW in year 10. Assume a load factor for each year. Assume an uncorrected power factor of 85% lagging.

2. Develop a plan for power factor correction. Show the plan projections year by year.

3. Draw a map showing the layout of your primary feeders. Assume a feeder loading of 10 MW to be “fully loaded.” Decide how many feeders need to be built initially, and develop a plan showing when new feeders will be needed. Also show ties (normally-open connections) between the feeders. Specify the devices used to tie the feeders together.

4. Show the design of a typical secondary circuit. Specify the load per secondary circuit. 5. Assuming a demand cost of $10/kW and an energy cost of $[url removed, login to view], select a service transformer to use based on the evaluation method

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Zaměstnejte freelancery, kteří na tento projekt zveřejnili nabídku

    • Forbes
    • The New York Times
    • Time
    • Wall Street Journal
    • Times Online