What are Power Inverters?

The storage batteries used in alternating power systems store DC (direct current) power. But, most modern electronic appliances depend on AC (alternating current) power. A power inverter can provide the comforts and conveniences of modern living. It is an electronic piece of equipment that converts DC power into conventional AC power.

During blackouts, a power inverter can be used for emergency power. It is used to run all sorts of household equipments, including kitchen appliances, power tools, TVs, computers, and more.

Power inverters are normally small, rectangular shaped units. There are normally one or two outlets available for standard cords. Inverters normally draw their power from 12V, 24 V batteries, or several batteries wired in parallel. The batteries are discharged as the unit draws the power out of it. Automobile motors, solar panels, gas generators, and other standard sources are used for battery charging.

Power inverters are available in several models that differ in watts. The required amount of inverter wattage depends on the total draw of the devices, plus at least 50% more to account for peaks or spikes in the power draw. For example if your computer draws 100 watts and your home theater another 100 watts, a minimum 300 watt inverter is suggested.

A typical power inverter produces square wave, modified square or sine wave, and pure sine wave (true sine wave). The waves denote three dissimilar qualities of power output and three different price ranges. Owing to uneven power delivery, square inverters, the initial types of inverters, are almost outdated. Modified inverters, less expensive and probably the most common, produce consistent and efficient power. True sine wave inverters are highly expensive and they also deliver the most consistent wave output.

Always use highly rated power inverters for the devices you are running. Avoid adapters that would permit more outlets than the unit is designed to accommodate. Since improper use of a unit may lead to burning, make sure that you read and follow all safety measures listed in the user?s manual.

Power Inverters provides detailed information on Power Inverters, DC To AC Power Inverters, Emergency Power Inverters, Car Power Inverter and more. Power Inverters is affiliated with How to Replace a Circuit Breaker.

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By Josh Riverside

Power Inverters

Author: David

Power Inverters





Most of the time, when the electrical power gets interrupted due to a heavy downpour or a severe storm or any other reason, the reliable source of power when you require it the most is the power inverter. Power inverter is designed to answer these power outages and pose as a reliable and economic alternate source of electricity. That is why, the power inverters have enjoyed great popularity since their introduction in the market.





Power inverters are designed to convert direct current to alternating current. Most of the power inverters work by converting 12 Volt DC power into 110 volts AC. With the use of power Inverters you can run household appliances from a car or any other DC source in areas where there is no electricity. Power inverters are available in two categories – The True Sine Wave Power Inverters and the Modified Sine Wave Power inverters.





Of these the True sine wave power inverters provide utility grade power but are expensive and can power almost anything including laser printers and fax machines. The sine wave power inverter is most suitable to operate higher-end electronic equipment which can be damaged by other inverters. On the other hand, the Modified sine waves are the most common types of power inverters available today. Like its counterpart, this inverter can sufficiently power most household appliances and power tools. It is more economical compared to the true sine wave inverter, but may ask for certain compromises with some loads such as microwave ovens, laser printers, clocks and cordless tool chargers.





Power inverters are widely used for large assortment of applications, from small power supplies for a computer to large industrial applications to transport bulk power. One of the most widely used applications of Power Inverters include running television sets, microwaves and other household appliances and charging cell phones, laptops from a car’s cigarette lighter outlet and running power tools from a 12 volt battery on jobsites where electricity is not available.





If you are looking forward to buy a power inverter, remember that most of your household electrical devices will run perfectly on both the type of wave form. Most of the users who are using a power inverter to run a laptop, a/c cell phone charger, fan, or camera agree that a modified-sine wave power inverter that operates through the cigarette lighter socket is the easiest to use. While you buy a power inverter it is suggested to choose an inverter that is rated under 300 watts when using the 12-volt cigarette lighter socket found in most vehicles. This is because after reaching 300 watts of draw on the inverter, the fuses in your car might blow off. Such power inverters are a great choice for dashboarders who would like an easy solution to power their devices. It has only one outlet, but since plugging it into a 12 volt socket is all that is required for operation. This little inverter can supply 140 watts of continuous operation and has a built-in surge protector.

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