A new leak current model of high voltage DC leak detection is developed.
建立了填埋场渗漏检测高压直流电法漏洞电流模型。
An electrical power transformer that converts 220-250 volts AC current to high voltage DC.
一个把220 ~ 250伏交流电转化成高压直流电的变压器。
Leakage location of double liner landfill is carried out which is based on high voltage DC method.
利用高压直流电法对双衬层填埋场渗漏检测进行了研究。
AC power is rectified and filtered by BR1 and C1 to create the high voltage DC bus applied to the primary winding of T1.
交流电源停止整流和滤波即br1和C1创立高压直流总线应用到T1的初级绕组。
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。
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。
A new leakage detection system based on high voltage DC method was successfully developed through comparison of various methods.
通过对国外填埋场渗漏检测的多种方法的比较，成功研制了基于高压直流电法的渗漏检测系统。
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。
Using suspension of RBC as a "model solution system", a high voltage DC electric field is introduced into its low-cooling-rate freezing process.
本文以红细胞悬液为研究模型，通过在对其进行慢速冻结的过程中引入静电场，具体研究了静电场对降温过程中红细胞悬液冻结特性的影响。
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。
A new method is put forward to measure the PD signals of the high voltage DC generator. Testing results show that this method is accurate and effective.
文中提出了一种测量这种类型发生器局部放电的方法，试验结果表明该方法可以准确反映出发生器内部的局放现象。
The voltage distribution performance of high voltage DC (HVDC) converter valve is one of important research contents about its electric characteristics.
直流输电换流阀的电压分布性能是其重要电气特性之一。
A new leakage detection system based on high voltage DC method was successfully developed through comparison among foreign methods used in landfill leakage detection.
通过比较国外多种填埋场渗漏检测方法，成功地研制了基于高压直流电法的渗漏检测系统。
This paper analyzes the structure and principle of high voltage DC transmission(HVDC)system, builds a model of 6-impulse bridge HVDC system and makes a emulate on it.
分析了高压直流输电（HVDC）系统的结构和原理，建立了一个6脉冲桥HVDC系统模型并进行了仿真。
It can improve the reliability and quality of the high voltage DC electrical system of airplane to adopt modular power supplies to construct a secondary distributed power system.
采用模块电源构成飞机高压直流电气系统的二次电源分布式系统，可提高供电可靠性和供电质量。
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。
Experiments show that the designed DC DC convertor's output voltage precision is high, the antijamming ability is strong and the adjustable performance is fast and smooth.
实验结果表明，用这种方法所研制的电动汽车DC DC变换器输出电压精度高，抗干扰能力强，调节特性快速、平稳。
Some people, however, question that standard because over long distances high-voltage DC lines suffer lower losses than AC.
现在有人开始质疑这一标准的适用性，因为在远距离输电的情况下，采用高压直流(HVDC)要比高压交流损耗小。
Can be 0 ~ 500v voltage range ac and DC voltage measurements with high accuracy.
可以对0 ~ 500v电压范围内的交、直流电压进行较高精度的测量。
SVPWM technique have many good qualities, such as less pulsating torque, high usage of DC bus voltage, less switching loss, better high-speed regulation performance.
SVPWM具有较高的直流电压的利用率，开关损耗小，从而实现了高性能的逆变输出。
DC high voltage (or DC leakage current) test is an effective method of technical diagnosis of electric machine.
直流高电压(或称直流泄漏电流)试验，是一种行之有效的电机技术诊断方法。
The stability of voltage and current outputted by HV DC power is important to generate stable high-voltage 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高压复合电场极为重要。
It introduces a kind of powerful complementary DC and constant voltage power device by using the independent excitation and high frequency PWM wave clipper.
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。
High voltage low power DC-DC converter is designed for converting low voltage DC current into high voltage one.
高电压小功率DC - DC电源变换装置，是一种利用低压直流电源产生高电压的电源装置。
An inspecting method was introduced for the DC static high voltage meter and the analysis for its uncertain-ty was given out.
文章介绍一种检定直流高压静电电压表的方法，并对其进行不确定度分析。
Features: High DC current gain, excellent hFE linearity, low saturation voltage.
特点：直流电流增益高，放大线性好，饱和压降低。
A new type of infrared intelligent DC high voltage generator was introduced.
提出了一种新型的红外式的智能直流高压发生器。
A new type of infrared intelligent DC high voltage generator was introduced.
提出了一种新型的红外式的智能直流高压发生器。
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