Welding machine control unit is equiped with no power source arc start unit, CMOS, and high power switch.
该焊机采用“无源引弧器”引弧，引入CMOS、时基、大功率开关等集成电路进行弧焊自动控制。
Moreover, its operation process principles and critical parameters are analyzed, its simulation results proved that the novel single stage high power switch source's power factor can achieve 0.995.
分析了该电路的基本工作原理、关键参数的设计计算，仿真结果表明这种新型的单级大功率开关电源功率因数可达到0 . 995。
At 15 euro ($22) a tonne the price is high enough to induce power companies to switch some generation from coal to ga.
每吨15欧元（22美元）的价格足够让电力公司从煤发电转向用气发电。
High power factor at ac input can be achieved by controlling the switch of capacitor charge circuit.
通过对电容器充电回路开关管进行控制，实现交流输入端的高功率因数。
The outlook of high frequency switch power supply in application to high fidelity audio frequency power amplifier is indicated.
指出了高频开关电源在高保真音频功率放大器中广阔的应用前景。
So this novel converter has a wide application and huge economy effect in power converting field, especially in the high voltage and high power feild where IGBT is used as the main switch.
尤其适合以igbt作为主功率开关管的高电压、大功率功率变换，具有广泛的应用前景和巨大的经济价值。
The strong electromagnetic interference generated in high power TEA CO2 laser system mainly comes from the main discharge circuit, pulse spark switch and power supply.
大功率TEACO2激光器系统产生的强电磁干扰主要来源于激光器主放电回路、脉冲火花开关和电源。
A second (e. g., high linearity) mode may be selected if the transmitter output power level is above the switch point.
如果发射机输出功率电平高于切换点则可选择第二(例如，高线性度)模式。
It has characteristics of large current, high power, high voltage, high switch frequency, proven reliability, low losses and so on.
它具有大电流、高电压、开关频率高、高可靠性、结构紧凑、低损耗的特点。
For high power system, every switch of three-phase inverter is actually made up of four MOSFETs in Parallel.
考虑到系统功率较大，三相桥式功率变换器的每个开关器件均采用四个MOS管并联的结构。
The power of this monitoring device is made up of novel switch voltage regulation circuit and linear voltage regulation circuit, the electricity of which is directly supplied by high voltage line.
监测系统采用新颖的开关稳压和线性稳压二级稳压结构电源，直接由高压线负载电流供电。
The switch power is widely applied in the field of communication, computer, and so on because of its remarkable advantages of compact size and high efficiency compared with conventional power.
相对于线性电源，开关电源具有体积小、效率高等优点，使其在通讯、计算机等领域得到广泛应用。
It adopts bidirectional switch and on time rectification, and obtains high power factor, high efficiency and low THD.
它采用双向开关和同期整流，得到了高功率因子、高效率和低高次谐波。
The high coulomb and current power pulse closing switch is one of the crucial components of the power conditioning system.
脉冲能源系统的关键元件之一是高库仑量大电流的脉冲闭合开关。
The control system, based on 8098 singlechip, can be applied in the power supplies which have GTRs of high switch speed.
该控制系统采用8098单片机为主体，适用于象GTR这样具有较高开关速度的大功率电源系统的控制。
After many times tests and modifying design, a sample machine of switch high voltage power supply with high performance index is finished.
经过多次试验和反复补充修改设计，最终制成了一台具有较高性能指标的高压开关电源样机。
Because the calculation method is accomplished by MATLAB Tool, it is in favor of realizing design and simulation of high-frequency chain switch power supply circuit.
由于该计算方法是在MATLAB环境下进行，有利于进一步实现高频链开关电源电路的设计和仿真。
Comfortable and convenient operation, assembly thermal overload protection device and multi-file electronic speed constant power switch ensure high motor efficiency and durability.
操作舒适方便，装配过载过热保护装置，多档电子调速恒功开关，保证马达的高效率和耐用性。
The large aperture KDP electro-optical switch is a key unit for the new high-power laser multi-pass amplification system.
大口径KDP电光开关是新一代高功率激光器多程放大系统的关键部件。
The feasibility of using a rotating spark gap as the high power high voltage switch is verified at twelve-kilowatt average output power level.
证实了在万瓦级高平均输出功率水平下采用旋转火花隙作为大功率高压开关的可行性。
The power adopt PWM switch technic design, it compose of professional IC, and high reliability.
本电源采用脉冲宽度调节（PWM）开关技术设计，由专业积体电路组成，可靠性高。
In power supply, electronic device works in soft switch condition, so the entire efficiency to be very high.
电源中的电力电子器件工作在开关状态，使整机效率很高。
According to the design demand of DC power supply panel in engineering, this paper introduces the selection of rectification DC rectification power system with high-frequency switch.
针对工程中对直流电源屏的设计需要，简要介绍了高频开关整流电源直流系统的选择。
Recently, adoption of the high frequency switch mode power supply and the processing controller based on the programmable chip are the trend of the development of laser technology.
近年来出现的高频开关电源技术和以可编程芯片为核心的控制技术也逐渐在激光器设计中得到应用。
Isolation of the T/R switch must be considered when the high power transmitter is connected to the low power radio frequency unit by T/R switch as the radar antennas are reciprocal.
雷达天线往往收发共用，通过收发开关连接高功率发射单元和低功率射频单元要考虑收发开关的隔离度问题。
SOG material, as traditional SOI material, has much excellent electronics property, for example, SOG circuit has the advantage of high switch speed, high density, low voltage, low power and so on.
SOG材料与传统SOI材料一样，拥有许多优良的电学性能，例如SOG电路具有高开关速度、高密度、低压和低功耗等优点。
The structure and theory of main circuit, control circuit and protection circuit of modularized charge power supply composed by IGBT high frequency switch tubes are introduced in this paper.
介绍了利用高频开关管IGBT构成模块化充电电源的主电路、控制电路及保护电路的结构、原理。
Intelligent synchronous high voltage switch can be utilized to minimize the switching overvoltages and high inrush currents in power systems, as well as to improve the overall power quality.
高压智能同步开关技术是有效抑制电力系统操作过电压和涌流以及全面提高电能质量的关键技术。
In this switching power supply, the novel mode of serial two-transistor is adopted to solve the difficulty of choosing switch transistor under the condition of high-voltage input.
该开关电源采用新颖的双管串联模式，解决了高电压输入条件下开关管的选用难题。
In this switching power supply, the novel mode of serial two-transistor is adopted to solve the difficulty of choosing switch transistor under the condition of high-voltage input.
该开关电源采用新颖的双管串联模式，解决了高电压输入条件下开关管的选用难题。
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