pulse-inserting circuit

The paper focuses on component part of digital pulse MIG welding inverter power. Main circuit, control circuit, pulse width modulation ( PWM) circuit, drive circuit and wire feeding circuit are respectively analyzed.

论文还重点介绍了数字化脉冲MIG焊软开关逆变弧焊电源的组成结构，并分别就软开关逆变焊机的主电路、控制电路、保护电路、驱动电路以及送丝电路做了详细的分析。

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The high voltage direct current charge system employs the mode of the AC alternate voltage charging; the temporary energy storage and primary pulse generating system consist of the resonance circuit and the pulse transformer; the 3-stage magnetic pulse compression network is adopted as the pulse compression link.

其中，高压直流充电环节采用交流调压的充电方式；中间储能脉冲形成环节由谐振倍压电路及脉冲变压器组成；采用三级磁脉冲压缩网络作为脉冲压缩环节。

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Then the voltage waveforms of the Three-phase bridge controlled rectifier and 12-pulse waveform controlled circuit under the fault and normal condition are analyzed and researched in detail, the faults states are summarized and classified according to the voltage waveforms indifferent circumstance.

其次对三相桥式整流电路、12脉波可控整流电路等大功率电力电子装置整流电路正常运行及故障状态下整流电压波形进行了详细分析和研究，根据电压波形对故障状态进行了总结和归类。

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The test system including power circuit, restoration circuit, pulse circuit, the circuit of the memory ( SRAM and FLASH), JTAG interface circuit, the control circuit of the touch-panel, LCD interface circuit.

该测试系统的功能模块包括电源电路，复位电路，晶振电路，存储器电路（SRAM和FLASH），JTAG接口电路，触摸屏控制电路，LCD接口电路。

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Design and Temperature Drift Test of Pulse Modulation Constant Temperature Difference ( CTD) Control Circuit of Thermal Flow Sensor

脉冲调制型恒温差风速计控制电路的设计及其温漂特性测试

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The error includes two sides, one is the calculation error about Wheatstone bridge circuit, and another is the effect of the sharp pulse producing when test current is loaded on the sample.

系统误差分析分为两个方面，一是与惠斯顿电桥电路有关的计算误差；二是测试电流脉冲加载时出现的尖脉冲引起的误差。

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A pulse sharpening circuit with a high voltage and high frequency power supply is designed according to the theory of magnetic pulse compression, which is applied to a pulse power supply for a plasmas generator.

为研制用于等离子体发生器的高压高频脉冲电源，根据磁脉冲压缩网络的理论设计了一套脉冲陡化电路。

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This paper introduces a kind of electric circuit which mainly consists of a peak detector and a pulse-width discriminator for protecting the three-phase alternating-current supply with loses a phase.

介绍了一个主要由峰值检波器和脉冲宽度鉴别器构成的三相交流电源缺相保护电路。

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Research on Twelve-pulse Three-phase Rectifier with Auxiliary Circuit; Studies on THz Radiation Waveguides Based on Phase-matched Optical Rectification

带辅助电路的12脉波整流电路的研究相位匹配光整流THz辐射波导的研究

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Control circuit is taking pulse wide modulation circuit as core. By comparison of given signal and feedback signal of overvoltage, get the width-adjustable pulse signal for regulating output of welding power source so as to realize the colsed-loop control to arc-welding inverter.

控制电路以脉宽调制电路为核心，通过电压给定信号和反馈信号的比较，获得宽度可调的脉冲信号，调节焊接电源的输出，并实现对弧焊逆变器的闭环控制。

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