The voltage converter works in PWM mode. Frequency-control speed regulation, DC voltage supply monitoring of the converter, synchronous motor power-angle close-loop control are combined.
控制策略为逆变器PWM调压、变频调速结合逆变器直流侧电压闭环、同步电动机功角闭环控制。
The motor is powered by high voltage DC supply and the current from the fuel cell system is regulated via a DC DC converter.
发动机采用高压直流电驱动，电流转换通过直流-直流转换器实现。
Switching power supply or DC power to AC power through it will be a stable DC voltage source.
开关电源把直流电源或交流电源通过它可以获得一个稳定的直流电压源。
The stability of voltage and current output from HV DC power supply is very important for generating a stable HV electric field.
直流高压电源输出电压和电流的稳定性 ，对产生稳定的电晕电场极为重要。
The stability of voltage and current output from HV DC power supply is very important for generating a stable HV electric field.
直流高压电源输出电压和电流的稳定性，对产生稳定的电晕电场极为重要。
MPS700 series dc voltage constant-current power supply, is designed by using linear series MOSFET control mode of the ac input dc output power.
MPS700系列直流稳压稳流电源，是采用MOSFE T线性串联调整方式设计的交流输入直流输出电源。
The power contains the DC power supply, high voltage divider and spark gap switching.
该电源包括直流电源、高压分压器、和火花间隙开关。
The static current and voltage relays made of solid state circuit and without DC auxiliary supply are presented.
论述了无需直流辅助电源、用厚膜电路构成的静态型电流和电压继电器。
Because of the ripple of the DC power supply, the output harmonic amplitude of the voltage controlled SPWM inverter is higher.
由于直流供电电源纹波的影响，电压控制SPWM逆变电路的输出谐波分量幅值较大。
Safe; Low voltage dc 12V power supply , so it's very safe.
安全；采用低压直流12V供电电压，因此使用上非常安全。
We should always check the high voltage DC power supply within the current relay, time relay setting value is correct, control is sensitive.
应经常检查高压直流电源内电流继电器，时间继电器的整定值是否正确，控制是否灵敏。
Applications include transducer amplifiers, dc amplification blocks, and all the conventional operational-amplifier circuits that now can be more easily implemented in single-supply-voltage systems.
应用包括传感器放大器，直流放大块，和所有的传统运算放大器，现在可以更容易地在单电源电压系统实现电路。
It gives a kind of the practical DC regulated power supply, and takes part regulated voltage supply. Regulated current supply and DC-DC converter.
同时给出一种实用直流稳定电源的设计，并从稳压电源、稳流电源、DC - DC变换器三部分进行剖析。
The technology of high voltage DC switching power supply has been successfully developed in advanced countries, but is under development in China.
在国外高压大功率开关电源技术已较为成熟，我国对这方面的研究也一直在进行，但目前还不成熟。
In this paper, the voltage voltage controlled SPWM adapted to the ripple of the DC power supply is presented and is applied in the practical inverter with satisfactory results.
本文提出一种能够适应电源纹波的电压电压控制SPWM电路并将其应用于实际系统，取得了较好的效果。
The supply power of copper vapor laser (CVL) consisting of DC high voltage circuit, pulse discharge circuit and one stage magnetic pulse compression circuit is introduced here.
文中介绍了由直流高压电路、脉冲放电电路和一级脉冲磁压缩电路组成的铜蒸气激光器电源。
Host and high voltage DC power supply should be grounded with a separate branch lines, and they cannot be connected in series.
主机与高压直流电源应该用单独支线分别接地干线，不得串联连接。
DC DC convertors can convert the EV's high voltage DC power supply into the low voltage DC power supply. In order to design an excellent convertor one must be guided by theory of automatic control.
为了设计出在电动汽车上把高压直流电源变换成低压直流电源的高品质DC DC变换器，采用自动控制理论进行指导。
The voltage dividing circuit USES the voltage dividing resistors to divide a DC output voltage from a DC power supply, thereby applying DC output potentials to the respective electrodes.
分压电路通过电阻分压对来自直流电源的直流输出电压进行分压，由此，施加与电极分别对应的直流输出电位。
With the variations in the DC supply voltage, it is easy to alternate the input DC voltage of the converter and control the rotating speed of stator's magnetic flux.
通过直流电源电压的变化，可以方便地调节定子磁链的旋转速度。
After test, the designed power supply performs well, works safely and has high precision, which is an ideal DC stabilized voltage supply for varieties of electrical devices.
经测试，该电源性能好、精度高、工作可靠，是多种电子设备的理想直流稳压电源。
It analyses the rail transit DC traction power supply system voltage type frame protect device and rail voltage limited device matching problems that solve their adjusting value and time.
分析了轨道交通直流牵引供电系统的直流设备电压型框架保护装置与轨道电位限制装置定值和时间配合存在的问题及解决办法。
DC power supply is mainly provide constant voltage power supply for control circuit, driver circuit and a variety of protection circuits and allows the system to work properly.
直流稳压电源主要是用于对系统中的控制电路、驱动电路以及各种保护电路提供恒压电源，使得系统能够正常工作。
When semiconductor chilling plate is used in parallel connection mode, a DC power supply with a low voltage and high current has to be available.
半导体制冷片多个并联使用时，需要低压大电流的电源提供直流工作电压，为此我们设计了1。
Test results proved that the motor had lower current harmonic, more efficient use of DC supply voltage than SPWM, less switch loss of power switch.
实验结果证明，系统电动机电流的谐波失真较小，直流母线电压利用率比常规的正弦波脉宽调制（SPWM）有了较大的提高，功率器件的开关损耗较小。
Rated voltage of the electromagnetic brake is 205V(DC). Supply voltage of the rectifier si 220v(AC).
电磁制动器的励磁电压为直流205伏，整流器电源为交流220伏。
The low voltage DC current of the examination electrolyte tank has two power supplies that one is the existing DC power supply, and the other is a new added DC power supply.
本发明具有以下优点：需要新建的整流设备数量大大减少，只需在现有设备的基础上增加一组容量很小的直流电源即可满足试验用电的要求；
The low voltage DC current of the examination electrolyte tank has two power supplies that one is the existing DC power supply, and the other is a new added DC power supply.
本发明具有以下优点：需要新建的整流设备数量大大减少，只需在现有设备的基础上增加一组容量很小的直流电源即可满足试验用电的要求；
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