By using DC-DC power source, low drift operational amplifiers, optically coupled isolators and filter design, the system has a good characteristic of anti-disturbance.
通过采用高隔离度的DC - DC电源和低噪低漂移运放，使用光电隔离和滤波器等设计，采集装置具有了很强的抗干扰特性。
In order to solve the above problems, a study on the DC-DC power modular of the loading terminal was conducted and a new design plan of the intrinsic safe DC-DC isolated power modular was provided.
为解决以上问题，对负载端直流-直流（DC-DC）电源模块进行研究，提出一种新的本安型DC-DC隔离电源模块的设计方案。
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.
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。
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。
It will hold six batteries for power storage and will use a 120V DC power distribution system, compared to Apollo’s three-battery storage and 28V DC system.
与阿波罗的3个电池储备和28伏的直流系统相比，猎户飞船将有6个电池的电力储存，使用120伏的直流电源分配系统。
A new type of DC switch power which is possessed a DC voltage input and three DC voltage output, and is able to reach higher efficiency has been introduced in this paper.
本文介绍一种新型的直流开关电源，该电源是一种直流电压输入，三种直流电压输出，并能够达到相当高的效率。
All the switches are ZVS in the DC transformer, so the efficiency of the DC transformer and the power density are all high.
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。
The DC side active power filter (APF) is shunted at the DC side of rectifier bridge, which has great technical advantages in harmonic suppressing for rectifier load.
直流侧有源电力滤波器并联在整流桥的直流侧，对整流类负载进行谐波治理有很大的技术优势。
By linking the DC relay contactor with power electronic device, the DC hybrid switch apparatus without switching arcing was designed and accomplished.
采用直流开关电器与电力电子器件相结合方式，设计并实现了能够实现无弧通断的直流混合开关电器。
These converters perform from positive to positive and negative DC DC voltage increasing conversion with high power density, high efficiency and cheap topology in simple structure.
该变换器完成从正电压至正和负电压的DC- DC升压变换，功率密度和效率高，拓扑结构简单价廉。
In order to make DC DC power converted, voltage resonant switch is combined by resonant circuit and switching PWM.
采用谐振电路和PWM开关结合，组成电压谐振开关，实现DC—D C功率变换。
ABSTRACT the theory of analysis and synthesis of DC-DC switching power converters are studied in this dissertation.
本文着重研究了DC - DC开关变换器的分析和综合理论的一些主要问题。
Pulsed arc welding power source by thyristor DC chopper consists of common DC arc welding power source and DC chopper.
采用晶闸管直流斩波器的脉冲弧焊电源是由普通的直流弧焊电源，附加晶闸管直流斩波器组成的。
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。
DC-DC converters are the kernel parts in the switching power supplies. There are abundant dynamical behaviors in them.
DC变换器是开关电源的核心部分，有着极其丰富的动力学行为。
In some cases, the need to use a variety of load voltage, but also used for DC-DC inverter, 24vdc power if converted to 5vdc power (note, not a simple step-down).
在某些场合，需要使用多种电压的负载时，也要用到DC - DC逆变器，如将24vdc的电能转换成5vdc的电能(注意，不是简单的降压)。
The voltage margin method for interchange power control was applied to the dc voltage control block (DC-AVR) and the active power control block (APR) in the terminal controller.
容压法电力交换控制已经应用于终端控制器的直流电压控制部分和有功功率控制部分。
Then , the DC—DC using the BOOST circuit designed for the power supply, we use the power chip TL497.
基于上述硬件电路所需要的电源，本文采用电源芯片TL497设计了DC-DC的BOOST电路。
To be able to provide 220VAC electrical power, solar power generation system needs to be issued by the exchange of DC can be converted into electrical energy, so need to use the DC-AC inverter.
为能向220VAC的电器提供电能，需要将太阳能发电系统所发出的直流电能转换成交流电能，因此需要使用DC-AC逆变器。
Switching converter may translate one kind of DC electric power into another or more one, and is the main part of DC switching power supply.
开关变换器能够将一种直流电能转换成另一种或多种直流电能，是直流开关电源的主要组成部分。
The abnormal failure of battery which works as the backup power supply for DC system when ac power failure occurs, will affect the safe operations of DC system seriously.
蓄电池作为直流系统交流停电时的后备电源，其非正常失效严重影响了直流系统的安全运行。
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 DC/DC power converter is a high effective source device that can convert the DC voltage from one type to other type or several types.
DC/DC电源变换器是能将一种直流电压变换成另外一种或几种直流电压的高效供电装置。
Since the effect of parasitic elements limits the output voltage and power transfer efficiency of DC-DC converters, voltage lift technique opens a good way to improve circuit characteristics.
受寄生元件的影响，DC - DC升压变换器的输出电压和功率传递效率受到限制，电压举升技术为改善电路特性提供了好方法。
Because of the effect of parasitic elements the output voltage and power transfer efficiency of DC-DC converters are limited.
由于寄生参数的影响，DC - DC升压变换器的输出电压和功率传递效率受到限制。
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。
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。
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