当电源调制和轮廓调制协同工作时，功率放大器的动态范围和效率可以进一步提高。
When supply modulation and contour modulation are working in concert, the dynamic range and efficiency of the power amplifier can be further improved.
本文讨论了单端反激式开关电源的两种工作状态：恒压输出状态和恒功率输出状态。
The paper discusses two operating modes of single-ended flyback switching power supply, constant output voltage mode and constant output power mode.
提出一种新的整流电源控制策略，它可以使整流电源工作时，从电网输入的电流近似为正弦波，功率因素接近1。
This paper describes a new method used for controlling convert power supply, which can make the input current to be sinus waveform, and the power factor to be 1.
脉冲功率电源稳定工作的极限频率取决于间隙绝缘强度的恢复时间。
The limit frequency of the stable action of the pulsed power source depended on the reinstated time of the gap insulation.
针对工业电源恶劣的工作环境，对工业电源小功率器件的散热设计进行了探讨。
This article discusses the thermal design of miniwatt semicondutors in industrial power, which works in terrible environments.
随着大功率开关电源功率密度的不断提高，合理的热设计是保证电源可靠工作的前提条件。
With the continuous improvement on power density of high-power switching power supply, reasonable thermal design works as a prerequisite to ensure a reliable power supply.
该项研究工作，目前已完成一套峰值功率探测系统（含电源），一套峰值功率显示系统，在实际测试中发挥效能。
We have already finished a set of peak power detecting system (with power supply) and a set of peak power display unit and used them in practical measurement.
讨论了低成本开关电源式大功率蓄电池充电机的工作原理，并给出了实用的电路原理图。
This paper discussed the principle of a great power battery charger using low cost switch power converter, the practical circuits are presented.
为了满足我所某无人机载合成孔径雷达对发射机的要求，本文开展了微波功率模块的集成稳压电源的研究工作。
The article studies the integrated regulated power supply of MPM to satisfy the requirement for transmitter of certain unmanned synthetic aperture airborne radar.
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。
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.
新型开关电源的工作频率得到了大幅提高，有利于减小功率损耗和电源的体积、重量。
This circuit improves the working frequency, decreases the loss and the size of power.
对短时工作电动机最大功率的测量是困难的，要在标准电源、标准环境温度下的测量更加困难。
It's quite difficult to test the maximum power of the electric motor for short - time work, not to mention the measurements under standard voltage and temperature. Nowadays.
电源设备用以实现电能变换和功率传递，是各种电子设备正常工作的基础。
As the fundament of variable electrical equipments, power supplies realize power changing and delivery.
倍频式感应加热电源负载输出频率为功率开关管工作频率的二倍，且功率开关器件工作时具有软开关特性，在需要高频应用的场合很有意义。
Since its output frequency is as twice as the device frequency and it has the merit of soft-switching characteristic, multiple-frequency induction heater is widely used in high frequency application.
最后，将叠桥相移组合电源模型与等离子电弧模型匹配，模拟大功率电弧加热器系统的工作情况。
Finally, arc model and power supply models are matched to simulate the real arc heater system.
实际结果表明，我们研制的脉冲激励电源可以满足大功率TEACO2激光器的特殊工作要求。
The experimental results demonstrate that this pulsed exciting power supply developed by our lab can totally satisfy the special requirement of the high-power TEA CO2 laser.
本文介绍IR4010智能功率开关的工作原理，技术参数及性能特点。最后给出60W电源的应用实例。
The operating principle, technical parameters and performance characteristics of intelligent power switch IR4010 are introduced in this article. And a 60W power supply prototype is also presented.
提出了一种适用于小功率逆变电源的新型功率因数校正电路拓扑方案，分析了其基本工作原理及参数设计要求。
A novel power-factor corrector topology applicable to the small welding power inverter is proposed. The basic operation principles and design rules are presented in detail.
文章分析了大功率LED的原理和工作特性，LED的特性也决定了驱动电源的性能要求，LED照明适合恒流源驱动。
This paper analyzed the principles and working characteristics of High-power LED. The characteristics of LED determine which power driver to use. LED lighting needs constant current driver.
自关断功率半导体器件在步进电机电源、交流变频电源等电子线路中应用广泛，而烧管子问题严重影响自关断器件工作的可靠性。
Automatic shutoff power semiconductor widely applied in electric circuit such as SM's power, ac variable-frequency power etc. But burning tube often affected its reliability.
这种电源功率大、恒流工作、稳压调节、恒流与稳压之间自动切换。
In addition, we use control transistor to be the power componnent, a kind of kilowatt continuous laser diode planar array, the power supply is studied and created out.
摘要：介绍了一种采用智能功率模块的调压调频高压电源，详述了其工作原理。
Abstract: This paper introduces a voltage-variable and frequency-variable high voltage power supply using IPM. The operation principle is discussed in detail.
大功率TEACO2激光系统工作时产生的强电磁干扰主要来源于激光主放电回路、脉冲火花开关和电源。
The strong electromagnetic interference generated in the operation of the high-power TEA CO2 laser system mainly comes from the main discharge loop, pulse spark switch and power supply module.
该功率放大器能够在2.5V—5.5 V的电源电压工作，且能为4 ？负载提供2w的额定输出功率。
This power amplifier can work with 2.5v-5.5v supply, and provide 2w rated output-power with 4? Audio-Load.
给出了大功率电源控制系统的控制要求、功能和工作原理以及系统PLC硬件构成图和软件流程框图，总结了系统研制中一些实际问题的解决办法。
To achieve the safe and reliable operation of high power supply in HL-2A Tokamak, an logic control and protection system based on Siemens PLC is applied.
本文说明了GTO功率步进电机驱动电源的工作原理、性能指标以及为提高工作可靠性而采取的措施，并对主电路的工作进行了分析。
The GTO drive source is better suitble for the power stepping motors with greater inductance or mutual inductance. In this paper, the basic…
本文说明了GTO功率步进电机驱动电源的工作原理、性能指标以及为提高工作可靠性而采取的措施，并对主电路的工作进行了分析。
The GTO drive source is better suitble for the power stepping motors with greater inductance or mutual inductance. In this paper, the basic…
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