What Is an Inverter Welder?
Inverter welders are machines that, due to their increased power frequency, can produce the same welding results although the units are dramatically smaller. They may also be plugged into traditional 110v power sources, making them more economical to run. Does this Spark an idea?
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Frequency is Key
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The on/off action of switches called IGBTs are the secret to increasing frequency of the primary power that reaches the welder's transformer. This action simulates the increase and decrease of a magnetic field, similar to that of electrical alternating current but at a much higher frequency.
Size
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Inverter welders are much smaller than conventional welding units, making them portable, as they may be transported in a carrier instead of being rolled to jobs on a special dolly. Because of their small size, they are also ideal for do-it-yourselfers and for use in tight areas that cannot accommodate portable generators that are sometimes required to run traditional welders.
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Efficiency
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Because they run on household current, inverter welders use less electricity, making them more economical. Their design also makes welding more efficient thanks to a smooth arc, small spatter and stable welding current.
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References
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- Photo Credit welder image by Allyson Ricketts from Fotolia.com
