Question about Air Tools & Compressors

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Posted on Jan 02, 2017

count on 1 to 2 AMP

Nov 05, 2013 | RoadPro RPPI-100USB 80/100 Watt DC to AC...

"DC to AC" cords are not really a common item. They are called "Inverters". Typical inverters are 12VDC to 120VAC and are found in mobile applications to operate houshold current type (120VAC) devices. Inverters cost many times more than thier "AC to DC" or "AC to AC" sisters.

An "AC to DC" and "AC to AC" cord however, is a very common item. They are usually called simply "AC Adapters" and are sold in many electronics stores (Best Buy, Fry's, etc.) and electronic specialty stores (Radio Shack) and electrnics suppliers (MCM, etc.) Nearly all of them are designed to reduce the voltage in your home (120 VAC volts alternating current) to a different but usually lower voltage that is either AC or DC.

In order to select the proper AC adapter, you need to know:

(1) Input Voltage - this is the outlet voltage - often 120 volts in N. America, (2) Output voltage - this is the voltage the device needs and is often indicated near the jack, The adapted must match this voltage. (3) the device voltage type - this will be either AC or DC. The adapter must match the type as they are NOT interchangeable. (4) the size and type plug on the cord that will allow it to mate properly with the jack. There are many, many types and it should be tested for fit prior to plugging in and must match the device jack (5) the power requirements - this is usually shown as a number in Watts (w) and / or Amps (a). It is very important that the apdapter power rating is equal to or greater than the amount specified by the device. Failure to meet the requirements above can cause failure of the device, adapter or both.

I hope this helps and good luck!

An "AC to DC" and "AC to AC" cord however, is a very common item. They are usually called simply "AC Adapters" and are sold in many electronics stores (Best Buy, Fry's, etc.) and electronic specialty stores (Radio Shack) and electrnics suppliers (MCM, etc.) Nearly all of them are designed to reduce the voltage in your home (120 VAC volts alternating current) to a different but usually lower voltage that is either AC or DC.

In order to select the proper AC adapter, you need to know:

(1) Input Voltage - this is the outlet voltage - often 120 volts in N. America, (2) Output voltage - this is the voltage the device needs and is often indicated near the jack, The adapted must match this voltage. (3) the device voltage type - this will be either AC or DC. The adapter must match the type as they are NOT interchangeable. (4) the size and type plug on the cord that will allow it to mate properly with the jack. There are many, many types and it should be tested for fit prior to plugging in and must match the device jack (5) the power requirements - this is usually shown as a number in Watts (w) and / or Amps (a). It is very important that the apdapter power rating is equal to or greater than the amount specified by the device. Failure to meet the requirements above can cause failure of the device, adapter or both.

I hope this helps and good luck!

Feb 08, 2013 | Uniden BC60XLT-1 Handheld Scanner

Inverter Generator Benefits

performance chips of BMW.

The EU3000 series generators are inverter generators. The generator features an alternator, which produced high-voltage, multi-phase AC power. This power is converted to DC power and then converted back to AC. This process is controlled by a microprocessor and is necessary to provide stable, consistent power capable of running equipment sensitive to power surges. This type of generator provides higher fuel efficiency and lower operational noise ratings in a lighter model than home and work generators produced by Honda.

The Honda EU3000i Handi is a 3,000-watt inverter generator that features wheels, folding handle and a recessed convenience light. The engine is a Honda GX160, which features a 163-cc displacement. The AC output is 120 volts, with an average rating of 2,600 watts and a maximum production of 3,000 watts. There are three receptacles to include a 20A, 125-volt duplex and a 30A, 125-volt locking plug. The DC output is 12 volts and 100 watts. The EU3000i can hold 1.56 gallons of unleaded fuel, which will provide consumers with 3.6 hours of run time at 25 percent load for 7.7 hours.

performance chips of BMW.

May 31, 2012 | Honda Eu3000is

AT 10.64 AMPS THIS WOULD EQUAL 1000 WATTS BECAUSE VOLTS TIMES AMPS IS EQUAL TO WATTS.

There may be a regulator that boosts the voltage when the inverter is in use. you might check in line voltage while in use and see what you get. Operating amperage should be around 10amps.

good luck and feel free to reply and vote. Joe

There may be a regulator that boosts the voltage when the inverter is in use. you might check in line voltage while in use and see what you get. Operating amperage should be around 10amps.

good luck and feel free to reply and vote. Joe

Feb 16, 2011 | Duracell Portable Inverter 1000 Watts

Hello, I hear you. Was the reason to supply 240 volts? When you try the inverters separately, do you get 120Volts output? Let us look at the units working individually first and go from there.

Feb 06, 2011 | Vector 3000 Watt Continuous 6000 Peak Dc...

Hi,

No,

You will need a much larger power inverter than that to run that vac...

heatman101

No,

You will need a much larger power inverter than that to run that vac...

heatman101

Apr 22, 2010 | Black & Decker 100 Watt Plug-In Power To...

Question does not seem to match this inverters capability.

INFO:

This Power Inverter converts vehicle’s 12-volt DC power into household 115-volt AC power. AC and USB outlets power and/or recharge personal electronics.

We have owned one of these Power inverters for over a year now and have run a great deal with it, from TV to drill press PC and any thing that was small and that could run from my car. Very nice product.

SET UP: Connect wires. ensure correct polarity, push button on top. Plug in 110 volt appliance.

Hope this tip was of some use.

R/

David

INFO:

This Power Inverter converts vehicle’s 12-volt DC power into household 115-volt AC power. AC and USB outlets power and/or recharge personal electronics.

We have owned one of these Power inverters for over a year now and have run a great deal with it, from TV to drill press PC and any thing that was small and that could run from my car. Very nice product.

SET UP: Connect wires. ensure correct polarity, push button on top. Plug in 110 volt appliance.

Hope this tip was of some use.

R/

David

Feb 12, 2010 | Black & Decker Power Inverter PI400AB

I have a black and decker 100 watt power inverter. When the led turns red you are ethier overloading it or it overheated. to fix it unplug it and let it sit for 5 minutes. Plug it in. Plug in an item rated for 100 watts or less. Or try to charge somthing on the usb port.

Aug 23, 2009 | Black & Decker 100 Watt Plug-In Power To...

Your inverter has a peak of 3000 watts rating and should power that hair dryer. Make sure your batteries are in good shape. The inverter can only put out what it takes in. 1800 watt demand on the inverter requires 1800 watts from the batteries.

Jul 14, 2009 | Inverter Aims Pure Sine Wave Power...

If you want to get more precise, figure out everything in terms of power (watts).

Basic electrical rule 1, 2 and 3:

voltage x current = power

or re-arranged:

current = power divided by voltage

or re-arranged:

voltage = power divided by current

For example, 12V X 2 amps = 24 watts.

or another example, 400 watts divided by 120 Volts = 3.33 amps

A 55W headlight that uses 12V would draw 55 /12 = 4.6 amps @ 12V

A 55 watt light bulb in a lamp at home would draw 55 / 120 = 0.46 amps @ 120V

As the previous post mentioned, inverters are not perfect when convertering 12V into 120V. If the converter consumes 1000W from the 12V battery, then a 90% effecient converter would generate 900W of 120V AC power best case. The other 100W is lost primarily as heat.

The other thing that gets tricky is that these ratings and the formula above are used for resistive loads, like light bulbs or hair dryers. Anything with a motor or transformer is considered an inductive load and can get much more tricky to calculate.

Consequently you need to give your self a safety margin when figuring out how big an inverter you need.

How does work in a practical sense?

Lets say you want an inverter for TV, DVD and Sat. Receiver. Look at the back of TV or in the manual. It should say how many watts it consumes. Lets say it is 400W. The DVD might be 100W and the Sat. receiver 50W - just as an example.

400 + 100 + 50 = 550 Watts. (just as an example)

You might think, well no problem, I'll use a 600 Watt inverter and have 50 watts left over. Depending on your inverter, that 600W might really be 600 x 90% effecient = 540 Watts of AC, less a 20% margin of error for the inductive transformers in the electronic of the TV, DVD and Sat. receiver 540 - 20% = 432 Watts.

Now you can see your 600 Watt inverter isn't big enough to do the job.

If we really need 550 watts of AC, add 10% to make up the effiency loss, then add a safety margin for inductive loads.

550 + 10% = 605 + 20% = 726 Watts.

Sounds more like an 800W inverter fits the job.

What does that mean in terms of wiring the 12V batteries to the inverter?

from the formula above:

current = power divided by voltage

In our example, we have an 800W inverter that runs on 12V

The current would thererfore be:

current = power divided by voltage

current = 800 watts divided by 12V

current = 66 amps.

That is important info because you can not use light gauge wire to carry 66 amps worth of 12V to the inverter nor could you use a 20A fuse to protect your inverter.

Now that's a lot of science for a guy who just wants to run a toaster on an inverter right?

800W / 120V = 6.66 amps

Using garryp's ratio 11:1, 6.66 x 11 = 73 amps.

That is a good ratio with a good safety margin.

This is all just MHO and should not taken as solid technical advise. In other words, don't blame me if you blow yourself up.

Basic electrical rule 1, 2 and 3:

voltage x current = power

or re-arranged:

current = power divided by voltage

or re-arranged:

voltage = power divided by current

For example, 12V X 2 amps = 24 watts.

or another example, 400 watts divided by 120 Volts = 3.33 amps

A 55W headlight that uses 12V would draw 55 /12 = 4.6 amps @ 12V

A 55 watt light bulb in a lamp at home would draw 55 / 120 = 0.46 amps @ 120V

As the previous post mentioned, inverters are not perfect when convertering 12V into 120V. If the converter consumes 1000W from the 12V battery, then a 90% effecient converter would generate 900W of 120V AC power best case. The other 100W is lost primarily as heat.

The other thing that gets tricky is that these ratings and the formula above are used for resistive loads, like light bulbs or hair dryers. Anything with a motor or transformer is considered an inductive load and can get much more tricky to calculate.

Consequently you need to give your self a safety margin when figuring out how big an inverter you need.

How does work in a practical sense?

Lets say you want an inverter for TV, DVD and Sat. Receiver. Look at the back of TV or in the manual. It should say how many watts it consumes. Lets say it is 400W. The DVD might be 100W and the Sat. receiver 50W - just as an example.

400 + 100 + 50 = 550 Watts. (just as an example)

You might think, well no problem, I'll use a 600 Watt inverter and have 50 watts left over. Depending on your inverter, that 600W might really be 600 x 90% effecient = 540 Watts of AC, less a 20% margin of error for the inductive transformers in the electronic of the TV, DVD and Sat. receiver 540 - 20% = 432 Watts.

Now you can see your 600 Watt inverter isn't big enough to do the job.

If we really need 550 watts of AC, add 10% to make up the effiency loss, then add a safety margin for inductive loads.

550 + 10% = 605 + 20% = 726 Watts.

Sounds more like an 800W inverter fits the job.

What does that mean in terms of wiring the 12V batteries to the inverter?

from the formula above:

current = power divided by voltage

In our example, we have an 800W inverter that runs on 12V

The current would thererfore be:

current = power divided by voltage

current = 800 watts divided by 12V

current = 66 amps.

That is important info because you can not use light gauge wire to carry 66 amps worth of 12V to the inverter nor could you use a 20A fuse to protect your inverter.

Now that's a lot of science for a guy who just wants to run a toaster on an inverter right?

800W / 120V = 6.66 amps

Using garryp's ratio 11:1, 6.66 x 11 = 73 amps.

That is a good ratio with a good safety margin.

This is all just MHO and should not taken as solid technical advise. In other words, don't blame me if you blow yourself up.

Nov 26, 2008 | Coleman 5640B807 Compact Refrigerator

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