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It's called UPS (Uninterruptible Power Supply). It saves power so the computer can keep running after the power goes off. The time it keeps running depends on the type of the UPS Actually, you have several options. The most obvious is to purchase a power back up unit for computers. Wal Mart, Sam's Club, eBay. Buy a auto jump starter. These are made with built in flash lights, radios, lighter sockets, 120Vac outlets, and jumper cables. If you really want to go out on a limb, get a power inverter (300kw-750kw should be enough) that can be plugged onto the lighter socket in your car. Start the car, increase the idle, plug in computer.

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Q: What devise other than a generator can be used to supply ac voltage to computer if power goes off?
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Related questions

What are the differences between the parts of a generator and the parts of a motor?

In principle a generator is the same as a motor. In a dc motor the voltage generated by the rotating armature is slightly less than the supply voltage which causes power to flow in from the supply. If an engine is then coupled to the shaft causing it to rotate faster, then it generates more voltage and power flows back into the supply. That is how a motor becomes a generator.


What voltage does a Briggs and Stratton generator supply?

In my looking up generators I found that a briggs and stratton handy Gen 2500A generator supplys the following voltage 230 volts/8.1 amp. Which sounds like a great supply of voltages.


What is meant by load in diesel generators?

Any device that uses the generator to supply its operating voltage is electrically classed as a generator load.


Where can a DC exciter be found?

It can be found on an electrical generator set. It is used to supply the DC voltage for the field coils.


What supplies power to a computer?

The "power supply" supplies power to a computer. A computer's power supply is a "switchmode power supply" responsible for converting the AC voltage from the wall into several DC output voltages.


Which of the following is an output voltage of a computers power supply?

This can very greatly from computer to computer. You will have to open the case of your computer to tell.


What regulates the wall voltage to the voltages required by the computer chips?

The Power Supply


What is the function of the governor of a generator and how exactly is it different from the AVR?

Automatic voltage regulator (AVR) : Depends on the generator output voltage & out put current/Kvar it will change the exciter voltage. Change in excitation voltage controls the reactive power (Kvar). whereas, a Governor controls the fuel supply to primemover(Engine) in order to control the speed of generator, change in speed (rpm) also controls Active power (KW).


What does voltage do?

A 'voltage source' is a general term, for anything that can supply electrical power.It can be a battery, generator, solar panel etc.It is mentioned on schematics and other diagrams, to show where the power is applied.


Can you install 60 amps generator and only get 50 amps AC power at 110 - 240 volts?

If you need 50 amps you can use a 60 amp generator or any other generator rated to supply more amps. The voltage, 110 v or 240 v, must be the right voltage for the load used.


Can a generator be a motor?

Usually, yes! You will need some kind of variable/low voltage supply (recommended either of those 2) and slowly turn up the voltage. If you notice it moving, then it will work. If it just buzzes and sits there, immediately cut off the voltage so you don't burn out your generator. Be careful, the maximum input voltage of it isn't usually measured since it's a generator, so while still on the variable supply, test and see when the brushes start to throw some decent sparks, at that point you should stop and whatever voltage that was should be your maximum after you subtract 8 volts or so.


Why does a computer use 12V?

The input power of a computer Power Supply is usually 110-240VAC. The power supply usually transforms the input voltage into 3.3V, 5V, and 12V...all in DC. Different components require different voltage...either (1)ONE of a combination of these. 12V is one output voltage of the PSU(Power Supply)