| 摘要 |
A multifunctional inverter rectifier for arc welding contains a power module-inverter, a control unit, a feedback unit, a protection unit, an unit of stabilization of current and an unit of measuring the parameters. The output of power module-inverter is connected through the feedback unit and control unit with the input of the protection unit, whose output is connected with the input of power module-inverter. The output of the control unit is connected with the input of protection unit through the unit of stabilization of current, and feedback unit is connected with the unit of measuring the parameters.
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