There is a new- style arc- welding inverter, using powerful component and invert technique and PWM integratedcontroller.
利用大功率器件、逆变技术和PWM集成控制器,构成了一种新型的弧焊逆变电源。
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ML4428 is a typical permanent magnet BLDCM controller without position sensor; it is an advanced high integratedcontroller, which was described in detail in this paper.
By means of the commonly-used domestic variable duration impulse integratedcontroller, alternative design was carried out on PWM control chip of switching power on overseas equipments.