Some Facts to Know About DC-AC Converter

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Some Facts to Know About DC-AC Converter

By: Shweta Live

Have you ever wanted to run a TV, stereo or other appliance while on the road or camping? Well, a power inverter should solve that problem. An inverter is an electrical device that converts 12-volt power into mains power (120V 60Hz AC or 230V 50 Hz AC typically). Typically you run an inverter off of your car's battery or off of a deep-cycle battery that you buy specifically to power the inverter. An inverter is usually a very easy and inexpensive solution to get mains power where it is not normally available if you can keep your power demands in the 200-watt range. With around 300 watts of continuous power inverter you can run items like desktop computers, monitors, full size fax machines, battery chargers and AC adapters for notebook computers, cellular phones, camcorders, small power tools, drills, mid-sized TVs, soldering guns, and a variety of rechargeable equipment on the road. If you have a higher power inverter, you can run more devices or more powerful devices. With a lower power converter you can use only devices which use less power. Power inverters are also very useful in solar power system which generally use low voltage batteries (usually 12V DC) to be able to run mains powered devices in them.

There is different kind of inverters. Besides the input voltage, output voltage and power rating there are inverters that output the power at different waveforms. The three most common outputs for inverters are square wave, modified sine wave (sometimes called a quasi sine wave), and sine wave outputs.

Square wave is the simplest method that is widely used in the cheap low power devices. Many years ago this was the only waveform available at cheap inverters. Square wave waveform inverters generally consist of an oscillator driving switching transistors, that switch the incoming power to different sides of the center tapped transformer primary. The square wave mains voltage is outputted from the transformer secondary. The converter transformer can be pretty similar to normal 12V-120V or 12V-230V mains power transformer rated to inverter power rating. The square wave power is quiet far from the waveform available from normal mains outlet, and this can cause problems on equipment originally designed for the sine wave power in mind. Most devices with variable speeds such as electric drills, or devices with chargers such as cordless drills or screwdrivers, can behave irrationally when operating with modified sine or square wave inverters. Square wave power might not be nice for some sanatorium electronics devices.

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About The Author
Shweta Live is the Author of the article Some Facts to Know About DC-AC Converter And provides information FCBC(Float Cum Boast Charger), SMPS Power Supply, DC-AC Converter/Inverters, GSM/GPRS Ethernet Router.

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