To begin with, it is worth noting that the inverter in the welding machine is not a way of electric arc welding, but a power source for the machine.
For the first time, this unit was created in the 70s. Naturally, over time, it was improved, made a new electronic stuffing, so that the welding machine was cheaper and more reliable. The welding inverter device includes two voltage converters operating at very high characteristics. Their work is controlled by electronic microprocessor.
The work of the welding inverter is based on the phase shift, that is, inversion. All this is carried out by the built-in electronics, which can be minted to increasing the frequency and current strength at the output. It is worth considering that the transformation occurs twice. At the beginning, the alternating current is converted into a permanent, and already on the second converter becomes variable again, only now the current is low voltage, a large current and high frequency. Before starting work with a welding inverter at home, it is necessary to measure the voltage on the network. If it is below 190 volts, then the device will not work in this case.
A welding inverter has a lot of advantages. The most important advantage is lightweight, which averages 10 kilograms. In this case, the power of the arc is neither slightly inferior to standard devices. The second advantage is the high efficiency, which reaches 90%. Besides. The welding machine consumes very little electricity compared to conventional transformers. Also, due to the built-in electronics, welding equipment is easily configured on a variety of welding modes.
Along with the advantages, there are certainly disadvantages, but they are not so much. The main fault lies in the damage of the microprocessor. This happens due to improper operation of the device, so carefully examine the instructions for use. Also, the inverter block can be released, but it happens very rarely. In general, the welding inverter is very reliable and practical. By choosing this equipment you will not be disappointed in your choice.
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