Efficiency Power Supply
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 HP High Efficiency Power Supply Kit 517521 B21 500242  US $1,494.99
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 SUN POWER HIGH EFFICIENCY SWITCHING POWER SUPPLY 250W US $499.99
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 HP 2400W HIGH EFFICIENCY HOT PLUG POWER SUPPLY 60H US $394.99
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 Thermaltake TR2 600W ATX12V EPS12V Power Supply 72 Efficiency PCI E W0388RU US $96.41
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 Ultra Products LSP650 ATX12V EPS12V 650 W Power Supply 80 Efficiency SLI New US $96.41
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Seven Approaches To Conserve Electrical Power And Money
There are different advantages of saving electrical power at home, two of which are decreasing your electricity bill, hence saving you money and decreasing carbon emissions produced although producing electrical power. As a consequence, you can appreciate a better lifestyle and lower the harmful environmental effects.
1. Get the coils inside of the air-conditioning unit cleaned: It is a very good concept to get your central heating, cleaned and checked each yr. This is simply because the coils in a central air-conditioning unit, by way of which the air flows can get clogged due to collection of dust and other impurities existing in the air. As a result, the unit does not function correctly and the motors inside of the unit have to function tougher. Besides the total unit has to perform for far more time due to the fact of restricted airflow. Hence by cleaning the unit, you will recognize a visible variation in the effectiveness of the machine and the electrical power bill.
two. Block the cold air: Many elements of the home, particularly in the vicinity of the doors and the windows permit good deal of air to enter. Affix a neat door boot that can be fixed to the two sides of the door at the bottom as a fast and effortless solution to avoid the cold air from entering. If there are cracks involving the window frame and the home, use some caulk to shut the cracks.
3. Alter old windows: In situation your windows are really previous, reinstate them with the most recent insulated windows to make a significant distinction. Although you will have to devote a lot more to begin with, they supply more comfort and significant cost savings in energy.
4. Hot Water Heater: This is the greatest energy guzzler. By lowering the temperature of the very hot drinking water, you not only save energy but also take pleasure in h2o that is hot ample. To modify the heater's temperature, switch off the electrical power supply to it. Then get rid of the detachable panels connected to the facet of the heater. Below them, you will observe a dial, which can be turned by using a screwdriver to alter the temperature of the drinking water heater. Set each the dials to the identical setting, ideally to 10°. Then use the heater and see if it has affected you in any way. If not, repeat the procedure till you come to the temperature that is just proper for your needs. Also you can add a lot more insulation to the heater to save energy.
five. Change off: Change off any electrical devices if you are not employing it. Even if you do so for a brief time, you will observe a distinction in your use. Add a power strip and surge protector on the appliances can be driven off to stay away from power drain if not currently being employed, while protecting your equipment.
6. Get rid of previous gear: Older the equipment, greater its electrical usage. So if any of your equipment malfunctions, try out switching it to a highly successful model as a substitute of rectifying it.
7. Xedia Energy Saving Electronics: Xedia technologys has introduced a new engineering referred to as the X-power saver. It is a tiny cylindrical capacitor which can be inserted in any outlet in the house to tune your electrical power, thus growing its effectiveness. As a result, enthusiasts and other inductive drains on your program consume far lesser electrical power, besides currently being cooler and lasting lengthier, supplied this unit and the appliances are in the exact same phase. It arrives with a six month income-back guarantee.
Being a electrical technician indicates going to to many calls on a daily basis. Portland Electrical and Electrical are continually prepared to provide 1st class electrical services, even on very short notice. Equipped with expert plumbing equipment, our techs take on both residential and industrial electrical complications.
Help with Power and Energy supply to a Resistor!?
1) The energy required to heat a bathful of water to a comfortable temperature is 10 MJ. How long will it take an immersion heater to heat the water to the required temperature if it has a resistance of 20 ohms and is used with a power supply of 230V?
2) Power is supplied from a power station at a potential difference of 120 kV. The power output of the station is 60 MW and is fed through cables of resistance 4 ohms to a town. Calculate:
a) the current output from the power station
b) the power lost heating the cables
c) the power supplied to the town
d) the potential difference supplied to the town
e) the resistance of the town
f) the efficiency of the supply system
P = E²/R
P = 230²/20 = 2645 watts or 2645 joules per second
10 MJ / 2645 joules per second = 3780 seconds or 1 hour plus 3 minutes
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Here comes the sun (MIT)
Just outside Seville, in the desert region of Andalucia, Spain, sits an oasis-
like sight: a 100-meter-high pillar surrounded by rows of giant mirrors
rippling outward. More than 600 of these mirrors, each the size of half a
tennis court, track the sun throughout the day, concentrating its rays on the
central tower, where the sun’s heat is converted to electricity — enough to
power 6,000 homes.
The sprawling site, named PS10, is among a handful of concentrated solar power
(CSP) plants in the world, although that number is expected to grow. CSP
proponents say the technology could potentially generate enough clean,
renewable energy to power the entire United States, provided two factors are
in ample supply: land and sunlight.
Now researchers at MIT, in collaboration with RWTH Aachen University in
Germany, have come up with a design that reduces the amount of land required
to build a CSP plant, while increasing the amount of sunlight its mirrors
collect. The researchers found that by rearranging the mirrors, or heliostats,
in a pattern similar to the spirals on the face of a sunflower, they could
reduce the pattern’s “footprint” by 20 percent and increase its potential
energy generation. ...
High-Efficiency 255 W ATX Power Supply Reference Design
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