The paper analyzes the characteristics and economic indexes of ultrahigh voltage double circuit lines installed on same tower and compares with single circuit lines.
分析同塔双回路超高压输电线路的技术特性和经济指标，并与单回路作比较。
This dissertation mainly research solar power generation, using the measure of current pre-estimative arithmetic and voltage double-loop control to improve the wave of output current and voltage ;
本文主要针对太阳能光伏电池发电进行了研究，采用电流预估计算法和电流电压双环控制的方法提高逆变输出的电流电压波形；
This paper puts forward a voltage and current double closed-loop controlling method based on three-phase voltage source PWM inverter.
提出了一种基于三相电压型PWM逆变器的电压电流双闭环控制方法。
The second part involves voltage controlled slow light effects in asymmetry double quantum dots (QDs).
第二部分是在非对称的双量子点中电压调控的慢光效应。
An improved double line voltage synthesis strategy was developed and a new command current method was presented.
提出了改进的双线电压合成策略，并给出了一种新的指令电流生成方法。
Double feed systems work well if the grid voltage and frequency is very stable.
当网格电压和频率很稳定时，双馈系统工作的很好。
There are some problems about the secondary voltage switching between voltage transformers of double bus.
针对双母线电压互感器二次电压切换存在的问题，提出了电压软切换的新方法。
The matrix converter based on double input line to line voltage synthesis is analyzed.
分析了基于双电压合成的矩阵变换器。
A closed loop control method for the matrix converter based on double line to line voltage synthesis algorithm is proposed in this paper.
该文提出了一种基于双电压合成矩阵变换器的闭环控制方法。
This paper analyses selectors of transverse differential current direction protection using two types polarizing voltage for double circuit lines on the same tower.
对两种极化电压下的横联差动电流方向保护的选择元件在同杆并架双回线故障下的动作行为进行了研究。
The two parts both adopt double loop PWM control mode which consists of outer voltage loop and inner current loop.
该系统包含升压和逆变两个环节，均采用电压外环、电流内环的双环pwm控制方式。
In this paper, quantitative analyses on the effects of driving signal with different bias voltage polarity are made for double-sided driving with voltage feedback.
文章中定量分析了带有电压反馈的双边驱动信号对器件特性的影响。
Digital PLL and digital filter are built based on conventional double closed-loop control which contains voltage loop and current loop.
前者在常规的采用电压外环、电流内环的双闭环控制基础上，搭建数字锁相环、数字滤波器。
The digital inverter is controlled by a TMS320F240 DSP chip, which applying the improved digital PI control arithmetic of the current prediction and the double control loops of voltage and current.
数字化逆变器的控制采用TMS320F 240芯片来实现，在其软件中采用了用于电流预估计的PI控制算法和电压电流的双环控制。
Then this paper chooses the suitable variable to design the voltage and current double closed-loop controller, which has well stability and fast transient response.
对电源系统进行分析，选择合适变量设计一个稳定性好、动态响应快的电压电流双闭环控制。
Because the circuit needs current overload protect, a double loop strategy , with current feedback of filter inductance as inner loop and output voltage as outer loop, is studied.
根据需要电路电流过流保护的特点，重点介绍了滤波电感电流反馈做内环，输出电压做外环的双环控制策略。
A novel Zero Voltage Switching(ZVS)double PWM inverter topology circuit is proposed which contains such advantage as the most simple structure.
提出一种新颖的零电压开关（ZVS）双PWM变频主电路拓扑结构，具有结构最简单的优点；
The power consumption in real-time embedded systems can be improved with an optimal dynamic voltage scaling(DVS) algorithm for micro-processors with double scalable voltages.
为了解决嵌入式实时系统如何节省电能的问题，针对具有两种运行状态的微处理器提出了最优的动态电压调节（DV S）算法。
The qualitative analysis of N polyaromatics in heavy oil was made by a double adsorption separation followed by the application of low voltage ionization and high resolution MS direct sampling.
通过两次吸附分离，然后采用低压电离，高分辨质谱直接进样技术对重馏份油中的含氮多环芳烃进行定性测定。
This paper analyzes PWM double-bridge superposition regulator, AC chopping regulator and series voltage regulator, and introduces the application of AC voltage regulating based on VF technologies.
分析了PWM双桥叠加型，交流斩波型和串联型等三种变频型交流电压调节电路，介绍了基于变频技术的调压应用。
The d. c. traction portion of which comprises current and voltage feedback to form double closed-loop speed adjustment system.
该机的直流牵引部采用具有电流反馈和电压反馈的双闭环调速系统。
The vacuum circuit breaker is a kind of switch equipment which is used in the middle-voltage field in the power system, which undertakes double tasks of controlling and protecting.
真空断路器是电力系统中压领域的一种开关设备，它担负着控制和保护的双重任务。
Based on forenamed knowledge, the paper designs a double-loop NPID excitation controller, which has parallel feedback of voltage and error of rotate-speed.
在上述基础上，本文设计了一个具有机端电压反馈和转速偏差反馈的双环非线性PID控制器。
This paper designed a double close loop control system based on current and voltage.
本文设计了电流闭环和电压闭环的双闭环控制系统。
A novel composite circuit power supply with double voltage and full-wave rectification for CO2 lasers are developed.
本文介绍一种利用倍压和全波整流复合的新型电路所研制的CO_2激光器电源。
A new method for calculating secondary arc current and recovery voltage on double-circuit transmission lines by twice-model transformation was proposed.
提出了利用二次模变换计算同杆双回输电线路潜供电流与恢复电压稳态值的方法。
Using a double-grid hydrogen thyratron, a fast pulse generator with four outputs, high-voltage, low jitter, was made to use at special occasion.
采用双栅极氢闸流管作为主开关，研制成功一种四路输出高压低晃动快脉冲源应用于某种特殊场合。
There are some problems about the secondary voltage switching between voltage transformers of double bus. To solve these problems, a new method, soft switch of voltage, was proposed in this paper.
针对双母线电压互感器二次电压切换存在的问题，提出了电压软切换的新方法。
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。
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。
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