Full bridge topology was used in the main circuit, IGBT was used as power switching device, and micro-crystal core was used in mid-frequency transformer.
其主电路采用全桥式拓扑结构，以IGBT管为功率开关器件，中频变压器使用微晶磁心。
On the structure of system, the three-level converter of three phase bridge of the equipment in main circuit is built with IPM module based on IGBT, and its controller is made up of double CPU.
在系统结构的实现上，该装置的主电路采用基于IGBT的智能模块IPM构成三相桥三电平变流器；
A general design of digital twin-wire welding power supply was selected firstly, and two side-by-side IGBT full bridge converter main circuit structures were designed.
本文首先确定了双丝焊数字化电源的总体方案，设计了两台并行的IGBT全桥逆变主电路的拓扑结构。
This main circuit is composed of the three-phase fully-controlled bridge using GTO and the single-phase bridge inverter using IGBT.
该主电路采用晶闸管三相全控桥整流电路，IGBT单相全桥逆变电路。
UC3846 is used for PWM, pulse transformer driven by bridge can transfer signal and power for IGBT in main circuit, quick protection is necessary for short circuit often happen during brush plate.
本文采用UC 3846作为PWM发生器，桥式驱动的脉冲变压器既保证信号的传输，又保证足够功率驱动全桥逆变主电路。对于经常发生短路刷镀刷镀工艺，快速过电流保护非常必要。
The main loop includes a three-phase bridge, an inverter module with three IGBT power tubes, a braking circuit and protecting circuits, etc.
系统主回路含三相全波整流桥电路，三对IGBT功率管组成的逆变器电路，制动电路及保护电路等。
By employing the circuit topology of full-bridge inverter, the IGBT and the amorphous transformer, the power circuit could be built.
在功率电路拓扑的设计上，采用全桥逆变结构，并使用IGBT和非晶态变压器作为主要器件。
This paper presents a design method of the main circuit of IGBT inverter for SMAW by an example of designing the main circuit of IGBT inverter based on full bridge for SMAW (315A).
通过对一台3 1 5A全桥式IGBT逆变手弧焊电源主电路的设计，介绍了逆变电源主电路的设计方法。
This paper presents a design method of the main circuit of IGBT inverter for SMAW by an example of designing the main circuit of IGBT inverter based on full bridge for SMAW (315A).
通过对一台3 1 5A全桥式IGBT逆变手弧焊电源主电路的设计，介绍了逆变电源主电路的设计方法。
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