从物理角度讨论了双闭环交/直流功率变换器系统的控制方案和工作原理。
The control scheme and operating principle of a double closed-loop AC/DC power converter system are discussed by using physics.
揭示了逆变站电压支撑不足是限制直流功率紧急提升充分发挥作用的主要因素。
The study reveals that the voltage support in the inverter is the main limiting factor for the effectiveness of the HVDC emergent power modulation.
设计了应用于交直流互联电力系统的直流功率调制的非线性鲁棒自适应控制器。
The robust adaptive control law is proposed for a HVDC power modulation controller of the interconnected AC/DC power system.
直流功率调制器可以对交直流联络线进行局部控制或改善交直流混合系统的运行特性。
The current controller on the HVDC line can do AC/DC parallel tie-line local control or improve the stability of AC/DC hybrid power systems.
本文介绍了单片机控制的PW M直流功率放大器的结构形式、硬件电路以及软件设计。
This paper introduces the structure, hardware circuit and software design of PWM DC power amplifier controlled by microcomputer.
在直流功率一定时，工作气压的降低会导致刻蚀速率的增加，并且刻蚀由各向同性转变为各向异性。
When remains the DC power, the decreasing of gas pressure can lead to the increasing of etching rate and the transformation from isotropic etching to anisotropic etching.
与传统交流系统不同，直流功率具有的快速可控的优点，将为电力的合理调度提供更快速有效的手段。
Different from traditional AC systems, DC power is faster and more controllable, and it can provide more efficient way for power dispatching.
论文重点介绍了功率放大器和直流稳压电源的设计。
And then the paper introduces the design of power amplifier and DC regulated power supply.
由于使用了永磁体发电机，CMPS系统可以在低功率速度下，提供最高400安培28伏特直流电源。
Using a permanent-magnet generator, the system delivers up to 400 amps of 28-volt DC electric power at low engine speed.
如此，在容限电压法当中，直流电压和和有功功率分别被整流器和反相器所控制。
Thus, in the voltage margin method, the dc voltage and the active power are separately controlled by the rectifier and the inverter, respectively.
它们都工作在300千赫兹，直流母线电压400伏特，输出功率120瓦特，输出电压16伏特。
All of them have been operation at 300 kHz, bus voltage of 400 V, output power of 120 W, output voltage of 16 V.
从发电机转速、功率和直流母线电压之间的相互关系出发，提出利用直流母线电压进行转速观测实现无速度传感器。
According to the relationship of rotational speed, power and DC bus voltage, observing rotational speed by using DC bus voltage is proposed to realize none direct speed measurement.
我可以作一个小小的赛道与直流电动机来衡量的实际输出功率的引擎在不同进气压力。
I may make a small dyno with a DC motor to measure the actual power output of the engine at various intake air pressures.
该装置结构简单、性价比高，也可应用于其他具有同类负载特征的小功率直流调速系统。
It has a simple structure and a high performance-to-price ratio, and at the same time it can be applied to other small power DC speed governing systems of the same load types.
这个船坞能供电的最大功率是多少？有直流电源吗？
What's the maximum power the dock can supply? Is there any source of direct current?
针对小功率直流力矩电动机的定位控制问题，提出了一种新的模糊控制策略。
According to the problem of position of DC torque motor, an new fuzzy control way was put forward.
本文对使用功率MOSFET元件的直流斩波电路进行了计算机辅助分析，在分析的基础上给出了工程设计方法。
DC chopping circuit with power MOSFET have been analyzed in the paper with the help of computer. On the basis of the analysis, a design method is given.
垃圾转运站和直流电动机驱动器组合系统既经济又非常具有竞争性的低功率驱动器。
The RTS drive and DC motor combination is economical and extremely competitive for low-power drive systems.
采用双环结构，用三个非线性PI环节实现了对整流器直流电压与功率因数的高性能控制。
The DC bus voltage and the power factor of the PWM rectifier are regulated by three nonlinear PI controllers with high performance.
介绍一种单电极直流电弧炉用大功率晶闸管整流装置的组成和工作原理。
To introduce the composition and working Principle of a thyristor rectifier unit of large power for DC EAF.
介绍一种利用它激式高频pwm斩波技术完成的大功率直流稳压电源装置。
It introduces a kind of powerful complementary DC and constant voltage power device by using the independent excitation and high frequency PWM wave clipper.
该文提出了一类基于反激变换器的单级不间断高功率因数直流开关电源电路结构与拓扑族。
Novel circuit structure and topologies of single-stage DC switching power supplies with uninterruptible power supply and high power factor, based on flyback converter, are proposed.
此外直流变压器还具有易于实现ZVS开关、功率密度高等优点。
All the switches are ZVS in the DC transformer, so the efficiency of the DC transformer and the power density are all high.
在交流系统受到扰动后它通过跟踪交流系统某些参数的变化来调节直流输送的有功功率，从而达到阻尼整个系统功率振荡的目的。
Following up the change of some parameters in ac systems, it can regulate the active power transmitted by DC link and damp power oscillation in systems.
在交流系统受到扰动后它通过跟踪交流系统某些参数的变化来调节直流输送的有功功率，从而达到阻尼整个系统功率振荡的目的。
Following up the change of some parameters in ac systems, it can regulate the active power transmitted by DC link and damp power oscillation in systems.
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