Sep 09
adminBattery technology, electronics, laptop battery, tips battery, electronics, energy, laptop, power
Energy saving of your laptop
For longer be able to use your laptop without a power outlet nearby, you can use power management (power management) work.You can change the BIOS settings thereof. For example you can slow down your CPU to work (economically) if you do not taxed. Whether your hard drive if you disable Dell xps m1710 battery for X number of minutes have not used.Usually there are already pre-configured settings such as (Maximum safe, maximum performance, etc. ..)
Do not start randomly changing settings, but think first moment about the possible consequences.The most energy at a laptop screen, CPU, CD-ROM drive and hard drive. (Usually in that order.)Working to increase the HP pavilion dv5000 battery can be one or more of the following things:
* Adjust the brightness of the screen as low as possible. You just save not only energy, but the life of the “lamp” will extend.
* Turn off your screen when you’re away. Or get a short delay the screen saver. (Use a “useful” screen. Flying Windows logo are not useful: You save nothing, instead you consume extra processing power.)
* Lower the volume or use headphones.
* Make sure the air vents (in and out) is not anything to be blocked, so that the processor is kept cool. Heavy processors and memory have their contribution to the heat, so the less things you do together, the less heat, less cooling required, and the longer your HP pavilion dv5 battery lasts.
* Remove CDs from the CD-ROM drive if you are not using. Some laptops have the CD constantly spinning and a lot of energy.
* Remove PC cards (PCMCIA, Cardbus) if you are not using them. Make sure to buy these cards if they are in an energy saving mode can be put.
* Use the sleep mode or hibernation (Suspend To Disk) mode, or turn off the computer when you’re just not used.
Turn on the external connectors (serial, parallel, infrared, USB, …) in the BIOS if you are not using them.Never work without batterySome clever people who read all this and to protect their HP pavilion dv4 battery will perhaps be inclined to their laptop without the battery (but with power) to work. This also is not recommended.The tension on the wall is full of peaks and valleys. These “wrinkles” are effectively eliminated from the battery, which actually serves as a capacitor.
Without battery, these lines passed to the laptop-electronics that can usually not take place and sooner or later gives up the ghost. (And a battery is still cheaper than a new laptop …)Old batteries are defective liver is best reflected in the manufacturer. These can then be recycled. (And sometimes you get discount when buying a new battery.) If you manufacturer the HP pavilion dv7 battery still will not take, write a letter of complaint and deposit it in small or hazardous waste at a battery collection point nearby.
Jul 07
adminelectronics, tips, windows news energy, notebook, researches, seeking, writing
Long ago and in the future we could recharge mobile just talking, thanks to the vibration produced by our voice. Today we discovered another study based on similar technology. Piezoelectricity is a very interesting technology and when pressure is applied to certain types of glass, they get a 367759-001, so that it can generate small amounts of energy by squeezing or pressing a surface.
This is the principle that researchers at the Institute of Technology Melbourne, Australia (RMIT) are studying to achieve some levels of enough energy to power electronic devices such as tablets or laptops that equipped with ThinkPad t42 batteries. His research focuses on the use of very thin films (nanotechnology) of piezoelectric material that can convert mechanical energy, like that used by pressing the keys on a computer, into useful electrical energy to feed, or even recharge the team.
For now, using conventional technology, the amount of energy that can be extracted from a piezoelectric cell is extremely low, which is not possible to power devices like laptops which equipped with Toshiba pa3421u 1brs, which are capable of reducing to zero the charge of a battery of more 5,000-milliamp / hour in only 2 or 3 hours. However, research conducted by the RMIT team aims to revolutionize the field precisely because of the use of materials sufficiently thin (nanometer level) can produce more electricity, which can be integrated into all types of microelectronic devices, as tablets and laptops, or have applications far more important, even in the medical field. As one of the authors of this study.
“The power of piezoelectricity could be integrated into sneakers to charge cell phones, get laptops are fed using keystrokes, or even use it to convert the blood pressure in a power source for pacemakers, creating essentially an eternal ThinkPad r50e battery “.
Such studies are very promising, but like most issues of this nature could be a mere theory if end funds, or extended too much research. In any case, I do I can imagine a future in which wireless keyboards and mice do not require external loads, or Toshiba pa3420u 1brs and last up to 10 times by continually exert pressure to type, or interact with equipment. Perhaps in 15 or 20 years we are facing a reality, and not just a very ambitious research.
Nov 03
Janbusiness news Electric car, energy, Lekker, plans
Lekker energy plans electric car
The electricity and gas suppliers Lekker energy plans together with a technology partner and an electric car to be unveiled later this year to the public. The range of the new electric cars will be the company says more than 300 kilometers and would be a new record. The electric vehicle, there should be a medium-sized car but Lekker Energy confirmed neither the project nor will it be denied. According to the information is tracked with the project aims to prove that the "National Initiative for Germany" to the federal government can be implemented today. After the concept paper will by 2015 powerful batteries with 200 watts per hour per kilogram and 300 mile range are available.
Currently, most electric cars available on a range of 120 to 200 kilometers on one charge. In China, the automaker BYD is currently testing its new electric car as a taxi and E6 have is a range of more than 300 kilometers. Currently in Germany there are fewer than 1,000 electric cars.
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Jul 02
Janbusiness news Biofuels, energy, Environment, Hydrogen, solar, Transportation, Wind
Energy-Recycling Artificial Foot
It should come as no great surprise that walking with a prosthetic limb is difficult. According to a newly published paper on prosthesis, walking with a prosthetic foot requires 23 percent more energy than walking naturally. This is because a natural gait returns and recycles energy in an efficient way lenovo thinkpad x61s battery, but a prosthetic limb wastes energy with each step. Scientists Art Kuo and Steve Collins have created an artificial foot that significantly reduces the amount of energy spent used with each step.
Art Kuo is a professor of Mechanical Engineering and Biomedical Engineering at the University of Michigan. Collins has an associate research fellowship at the Delft University of Technology. Together, they have developed an artificial foot that more closely mimics a natural human walking gait.
Normal human walking wastes energy when lenovo ideapad y430 battery each foot collides with the ground. However, in humans with functioning limbs, the ankle will exert force on the ground and make up for this loss of energy. Without an ankle to produce an external force, humans with prosthetic limbs waste energy with each step, and therefore must exert themselves more to walk.
In the Kuo-Collins artificial foot, the energy-recycling foot captures this wasted energy and puts it to use by mimicking the energy of pushing off the ankle. Using a mini-controller, the prosthetic foot captures the dissipated energy of each step and is able to give back the energy at the appropriate time. In a controlled experiment with non-amputee, dual-limbed, volunteers wearing either a sturdy gait-constricting boot or a prosthetic simulator, the research subjects only exerted fourteen percent more energy wearing the artificial foot than they exerted during normal walking. This means that the energy-saving foot reduces wasted energy by 9 percent, which may seem insignificant, but surely seems helpful to amputees.
This idea of reducing the energy loss associated with wearing a prosthetic foot is not new. However, older attempts at this type of energy return required internal motors and batteries. The artificial foot uses existing energy that would normally be wasted, and therefore only needs a small amount of electricity, about 1 Watt, which can be easily produced by a tiny battery.
The paper, published in the scientific journal PLoS ONE on February 17th, details the experiment, which was funded by the National Institutes of Health and the Dept. of Veterans Affairs. Researchers are currently testing the energy-recycling artificial foot at the Veterans Affairs Medical Center in Seattle Toshiba PA3534U-1BRS battery, Washington. Both Kuo and Collins hope that this new prosthetic foot is a step in making walking with an artificial limb as natural as walking with flesh and bone.
Jun 16
adminBattery News energy, solar
Okay, we all know it’s a good choice, but why?
Here we discuss Facts about solar energy usage, systems, plus sun related and other Interesting Facts about Solar Energy.
All of which will help you with your decision whether or not to install a solar energy system at your home.
Perhaps you’d even like to save yourself a lot of money and Build your very own solar energy system.
General facts
- Solar Energy is better for the environment than traditional forms of energy.
- Solar energy has many uses such as electricity production and heating of water through photovoltaic cells and directly for drying clothes.
- Solar energy can also be used to heat swimming pools, power cars, for attic fans, calculators and other small appliances. It produces lighting for indoors or outdoors.
- You can even cook food with solar energy.
- Solar Energy is becoming more and more popular. The worldwide demand for Solar Energy is currently greater than supply.
Facts about Solar Energy usage:
- Solar Energy is measured in kilowatt-hour. 1 kilowatt = 1000 watts.
- 1 kilowatt-hour (kWh) = the amount of electricity required to burn a 100 watt light bulb for 10 hours.
- According to the US Department of Energy, an average American household used approximately 866-kilowatt hours per month in 1999 costing them $70.68.
- About 30% of our total energy consumption is used to heat water.
Facts about Solar Energy systems:
- A home solar system is typically made up of solar panels, an inverter, a solar battery, a Solar charger controller, wiring and support structure.
- A 1-kilowatt home solar system takes about 1-2 days to install and costs around US$10,000, but can vary greatly and does not take into account any incentives offered by the government.
- A 1-kilowatt home solar system consists of about 10-12 solar panels and requires about 100 square feet of installation area.
- A 1 kilowatt home solar system will generate approximately 1,600 kilowatt hours per year in a sunny climate (receiving 5.5 hours of sunshine per day) and approximately 750 kilowatt hours per year in a cloudy climate (receiving 2.5 hours of sunshine per day).
- A 1-kilowatt home solar system will prevent approximately 170 lbs. of coal from being burned, 300 lbs of CO2 from being released into the atmosphere and 105 gallons of water from being consumed each month!
- About 40 solar cells are usually combined into a solar panel and around 10-12 panels mounted in an array facing due North to receive maximum sunlight.
- The system usually comes with a 5-year warranty, although the solar panels are warranted for 20.
- Relying on the battery back up, a solar energy system can provide electricity 24×7, even on cloudy days and at night.
- Solar panels come in various colours.
- Solar energy can be collected and stored in batteries, reflected, insulated, absorbed and transmitted.
Sun related Facts about Solar Energy:
- Sunlight travels to the earth in approximately 8 minutes from 93,000,000 miles away, at 186,282 miles per second.
- The sun is also the main source of non-renewable fossil fuels (coal, gas and petroleum), which began life as plants or animals whose energy came from the sun millions of year ago.
- Solar energy is responsible for weather patterns and ocean currents.
- Clouds, pollution and wind can prevent the sun’s rays from reaching the earth.
Other Interesting Facts about Solar Energy:
- Da Vinci predicted a solar industrialization as far back as 1447.
- In one hour more sunlight falls on the earth than what is used by the entire population in one year.
- A world record was set in 1990 when a solar powered aircraft flew 4060km across the USA, using no fuel.
- Fierce weather cost the world a record $130 Billion in the first eleven months of 1998- more money than was lost from weather related disasters from 1980 to 1990 ($82 Billion).
- Researchers from the Worldwatch Institute and Munich Re blame deforestation and climate change from Earth warming for much of the loss. The previous one-year record was $90 Billion in 1996. Source – Associated Press, November 28,1998.
- About 2 billion people in the world are currently without electricity.
- Accounting for only 5 percent of the world’s population, Americans consume 26 percent of the world’s energy.
- Electric ovens consume the most amount of electricity, followed by microwaves and central air conditioning.
- Third world countries with an abundance of sunlight and a population currently without electricity, represents the fastest growing market for solar energy, with the largest domestic market being the utilities sector.
- Shell Oil predicts that 50% of the world’s energy will come from renewable sources by 2040.
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