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Design of Inverter Arc Welding Power Supply Based on DSP

Author: SunBaoZhu
Tutor: PengYongLong；LiuXia
School: North China Electric Power University (Hebei)
Course: Electrical Engineering
Keywords: Inverter arc welding power source The digital control circuit PWM DSP
CLC: TG434.1
Type: Master's thesis
Year: 2010
Downloads: 79
Quote: 0
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Abstract


Inverter arc welding power a variety of advantages to become the mainstream of the development direction of the current arc welding power source With the rapid development of DSP digital control technology to be more DSP as the core of the development and in-depth development . The design selection of IGBT as main circuit power conversion devices , AC-DC-AC-DC design ideas, select the device and parameter structures 4.5kVA power level inverter arc welding power . Digital research topics focus on the power control circuit . Through analysis of the A / D converter , the realization of the PWM pulse signal and PID closed-loop control functions , the detailed implementation of the inverter control . PID control strategies are analyzed and Matlab simulation . Finally, the combination of hardware circuit and software program the machine to do experimental testing , the experimental results show that the control circuit to achieve a desired effect .

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CLC: > Industrial Technology > Metallurgy and Metal Craft > Welding, metal cutting and metal bonding > Welding equipment > Arc welding equipment > Power supply
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