Effect of Leakage inductance of high frequency transformer on work, state of IGBT welding inverter power source; 结合逆变弧焊电源的工作特点,详细介绍了其高频变压器的设计方法。
The novel full-bridge mode AC/ AC converters with high frequency link are constituted of input cycloconverter, high frequency transformer, output cycloconverter, input and output filters. 新颖的全桥式高频环节AC/AC变换器,由输入周波变换器、高频变压器、输出周波变换器以及输入、输出滤波器构成,包括全桥全波式和全桥桥式拓扑。
The function of planar power transformer in the suppression of leakage inductance and temperature rise of high frequency transformer is presented in this paper briefly. 本文简要分析了平面型变压器在抑制高频变压器中的漏感和温升中的作用。
Mode and Loss Analysis of High Power, High Voltage and High Frequency Transformer 大功率高压高频变压器模式和损耗分析
The design procedures and examples of high frequency transformer Used in Inverter ArcWelding Power Source are proposed in this paper. 本文提出了逆变式弧焊电源高频变压器的设计步骤、方法以及实例。
Research on Eliminating the Influence of Parasitical Capacity in High Frequency Transformer using Resonant Method 谐振法消除高频变压器分布电容影响的研究
The method of design high frequency transformer in half bridge inverter circuit is introduced exampled in detail, besides temperature rise and power loss are discussed. 依据一个半桥逆变电路的实例详细介绍了高频变压器设计的一般方法和步骤,并讨论变压器损耗和温升问题。
The converter is based single high frequency transformer, it is suitable for high input voltage and high power applications. 这种变换器是由两个有源箝位正激变换器共同耦合一个高频变压器构成的,适用于大输入电压、大功率的变换器。
The designing parameters of high frequency transformer and the protecting IGBT in plasma spraying inverter with high voltage and large current is analyzed in this paper. 分析了等离子喷涂逆变器在高电压大电流条件下,高频变压器参数设计和IGBT保护问题。
This article has analyzed the reason causing the magnetic bias in the high frequency transformer of the full bridge inverter, and introduced a practical suppression circuit. 分析了全桥式逆变器中高频变压器直流偏磁产生的原因,介绍了一种防止触发脉冲电压不对称,抑制直流偏磁的实用电路。
The method for the design and optimization of high frequency transformer using Magnetics Designer code is introduced, and the parameters of switching tube, output rectifier tube and RCD clamping circuit are analyzed based on Pspice simulation. 在Pspice仿真的基础上,介绍了利用MagneticsDesigner软件设计、优化高频变压器的方法,分析了合理选择开关管、输出整流管及RCD箝位电路参数的依据。
Effect of Winding Interleaving on the Performance Parameters of High Frequency Transformer 绕组交叉换位对高频变压器参数的影响
Zero voltage switching is realized for all switches over a large load range by using an inductor and the leakage inductance of a high frequency transformer. The diode reverse recovery is also reduced with zero current switching with pulse-width modulation control. 在电感和变压器漏感的作用下,变换器中的开关元件能够在较大的负载范围内实现零电压开关,同时在脉宽调制的控制下,二极管实现了零电流关断。
On the basis of analyzing the mechanism of distributed parameters in high frequency transformer, and with an instance of LCC resonant converter, the disadvantages of distributed capacitance in high-frequency and high-voltage transformer are described. 在分析高频变压器分布参数机理的基础上,以高压直流LCC谐振变换器为例,阐述了高频高压变压器分布电容给电路带来的不利影响,提出了一种补偿方法,并进行了仿真和实验。
A design method of high frequency transformer is introduced-AP method. 详细介绍了高频变压器的一种设计方法面积乘积法。
This design scheme adopts high frequency transformer inverter power system structure with DC-link in middle. It consists of high frequency inverter, isolation and booster voltage transformer, rectifier with filter, high frequency SPWM inverter and output filter. 该方案采用中间直流环节的高频变压器式逆变电源系统结构,它由高频逆变、高频变压器隔离升压、整流滤波、高频SPWM逆变和输出滤波组成。
The function and characteristics of high frequency transformer used in arc welding inverter are introduced in this paper. 介绍了高频功率变压器在弧焊逆变器中的作用和特征。
By adopting high frequency transformer the impedance matching and sharing current among inverters are achieved. 采用高频变压器实现负载阻抗的匹配,不仅保证了逆变器的高输出功率,而且实现了逆变器之间的均流。
Study of the High Frequency Transformer Magnetic Bias in the Inverter 逆变器中高频变压器偏磁的研究
The work modes of three-phase AC/ DC converter with high frequency transformer based on AC/ AC matrix converter are proposed in this paper. 利用AC/AC矩阵式直接变换原理,分析了带有高频隔离变压器的AC/DC变换器电路工作模态。
The main circuit consisted of input rectifier, inverter, high frequency transformer and output rectifier circuit. 其中,主电路包括输入整流电路、逆变电路、高频变压电路和输出整流电路。
The main circuit, control circuit, drive circuit and protect circuit are designed exhaustively. The main elements such as high frequency transformer are designed. And their parameters are calculated. 依照实际技术指标,对电源的主回路、控制回路进行了详尽的设计,对主要元件,如高频变压器,进行设计和参数计算。
It is especially suitable for application in the high frequency and high speed electric machine, medium and high frequency transformer and reactor. 高硅钢特别适合应用于高频高速电机、中高频变压器和电抗器等。
The resonant circuit has the ability of soft switch. If we add the distributed capacitance and the leakage inductance of high frequency transformer as part of the resonant circuit parameters, we can reduce the switching loss greatly. 谐振回路具有使开关管软开关的能力,通过将高频变压器分布电容和漏感作为谐振回路参数的一部分可以大幅度降低开关管损耗。
The paper presents the design of main circuit and control system of two transistor forward converter, and Carries out the selection of magnetic components that were more in-depth researched, that is the design of a high frequency transformer and inductors. 论文对双管正激电路的主电路和控制系统进行设计。对机站开关电源磁性元器件的选取进行了较深入的研究,设计了的高频变压器和储能电感。
Finally, the design of the intergrated three-phase coupling inductors and high frequency transformer was proposed, also the simulation results and experiments results was provided to verify the theoretical analysis. 最后,介绍了三相耦合电感的设计和高频变压器的设计,并给出了仿真波形和实验结果以验证理论分析。
The design of high frequency transformer is discussed in detail. The circuit parameters and devices of each part of inverter are selected, designed and calculated. 论文详细讨论了高频变压器的设计,并对逆变器的各个部分的电路参数和所用器件进行了选择、设计与计算。
Among them, solar PV system is the apotheosis of new energy utilization, high frequency transformer is an important component in the solar PV system, and its performance will decide the efficiency and reliability of power system. 其中,光伏发电是新能源利用的典范,高频变压器是光伏发电系统中的重要元件,其性能的优劣将决定整个发电系统的效率和可靠性。
This kind of converters is constituted of inverter, high frequency transformer and output cycloconverter. 这类变换器由逆变器、高频变压器、输出周波变换器、以及输出滤波器构成,适用于高压输出变换场合。
Specific analysis of the development requirements of the high frequency transformer and to design a stable and reliable high-frequency transformer. 对高频变压器研制要求进行了具体的分析,并设计出一个稳定可靠的高频变压器。