The loop circuit controlling of current, voltage and speed of welding can be realized in welding process.
在焊接过程中，对电弧电压、焊接电流、焊接速度实现闭环控制。
Under the condition of suitable formulation, the power system can be away from the voltage collapse point, through controlling the left eigenvector of voltage collapse point.
按照系统的鞍结分叉点处的左特征向量来控制系统的行为可以最快地远离电压崩溃点。
According to the mathematics relation between thermal resistance and temperature, controlling the voltage and electric current of thermal resistance invariable to realize the constancy of temperature.
依据热电阻与温度的数学关系，通过控制热电阻的电压电流恒定实现温度恒定的控制。
In a dc-dc converter with a given input voltage, the average output voltage is controlled by controlling the switch on and off durations (ton and toff).
在一个给定了输入电压的直流-直流变流器中，输出的平均电压是通过控制开关的导通和关断时间来控制的。
It is also believed that power electronic technology is able to not only raise and stabilize the controlling voltage, phase Angle and tidal current, but also fast control big power supplying network.
认为电力电子技术不仅可以在高压输电系统中用于提高稳定、控制电压、相角和潮流，也具备了快速控制大电网的能力。
This paper proposes a new strategy for balancing the neutral point voltage in the process of the three-level inverter vector controlling.
本文主要研究三电平逆变器在电压空间矢量控制过程中中性点电压平衡的控制方法。
This problem can be solved by controlling the variety speed of the G-S(grid-source) voltage of MOS transistors.
解决上述问题的方法是自动控制输出电路MOS管的栅极电压变化率。
The influence of UPFC and its controlling parameters on power system stability, capability of voltage regulation and power flow control are overall simulated on a one-machine to infinitive-bus system.
以单机无穷大系统为例，较全面地仿真了UPFC及其控制参数对系统暂态稳定性的影响以及UPFC的电压调节和潮流控制能力。
By controlling pressure, type of diamondoid precursor and bias voltage, the new method prevents the diamondoid precursor from fully breaking upon impact with the substrate.
通过控制压力、类金刚石母体的种类和偏置电压，这种新的方法防止了类金刚石母体在撞击基材时完全解体。
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。
The circuit, through evaluating the input voltage and controlling the selector of the measuring scale, realizes automatic selection in high precision instrument.
该电路通过对被测电压的判断和量程选择器的控制，实现了在高精度仪表中量程的自动选择。
The chopped mode feedback is a scheme for solving the motor's speed regulation by means of controlling the high voltage with low voltage.
斩波内馈是一种以低压控制高压的电机调速解决方案。
Based on the technique of PWM rectifier, the DC voltage of the inverter was adjusted by controlling the switch order of the switching elements.
基于PWM整流技术，并通过控制逆变器开关的导通顺序调节逆变器直流侧的电容电压。
The controlling system has many work patterns, such as manual, semiautomatic, and automatic, and can compensate for the effect of voltage fluctuation to welding current.
控制系统具有手动、半自动、全自动等工作方式，可自动补偿网压波动对焊接电流的影响。
ZX17 series stainless steel resistor is applied to AC 50hz, 1140v and DC voltage 1000v circuit, main of starting, braking and controlling motor. The rated power is 5.6kw.
ZX17系列不锈钢电阻器适用于交流50HZ电压至1140v及直流电压至1000v的电路，主要作为电动机起动、制动与调速用，额定功率为5.6 KW。
The system is composed of short-circuit simulation equipment based on SIEMENS S7-200 PLC, compiling-controlling flat on PC and high voltage simulation controlling equipment.
该系统由SIEMENSS7- 200PLC为核心的短路故障模拟控制器、上位PC机编程-控制平台和一次模拟控制设备三部分构成。
The output voltage frequency of power regulator will change with the controlling voltage.
根据微机控制电压的大小改变调功器电路输出电压的频率；
The simulation results show: the excitation controlling system has the high stability and voltage regulation precision, fast dynamic process response and better adaptability to practical production.
仿真结果表明，该励磁控制系统同时具有较高系统稳定性和电压调节精度，并且动态过程响应快，能更好地适应生产实际的需要。
Here the discrete on or OFF state of the modulation itself can be used to control the switches thereby controlling the voltage or current across the load.
在这里，离散的开或关的状态调制本身可以被用来控制开关，从而控制得或电流负载。
It is shown that the two states('0' and '1') of single-electron ring memory, which has a cyclic array of quantum dots, can be implemented by input voltage controlling the charges on the islands.
研究表明，单电子环形存储器单元电路利用量子点环状电路结构形式，由外接输入电压控制各岛上的电荷，能够得到存储器的“0”和“1”状态。
The basic principle of controlling the voltage build-up rate of chopper is adopted to reduce the current impact, which stables the running of mechanical and electrical system of locomotive.
采用通过控制斩波器电压上升斜率以减小电流冲击的基本原理，使机车的机电系统达到运行平稳。
The invention provides a method for controlling direct power of a grid-connected inverter without any non-AC voltage sensor and belongs to the field of electric energy transformation.
无交流电压传感器并网逆变器的直接功率控制方法，属于电能变换领域。
This paper does study surround the analysis of power systems voltage stability and controlling strategy of voltage-reactive power.
本文围绕电力系统电压稳定和电压—无功控制策略问题开展研究。
Controlling the DC capacitor average voltage and fluctuant voltage at an adequate value is an important factor which guarantees the excellent compensation characteristics of shunt active filter (APF).
控制逆变器直流电容的平均电压与电压波动为适当值是保证并联型电力有源滤波器具有良好补偿性能的一个重要因素。
As for the three-phase three-level voltage source converter, a simple SVPWM algorithm based on the sector mapping for controlling three-level converter is proposed.
针对电压型三相三电平变流器，提出了一种基于扇区映射、适用于三电平变流器控制、形式简洁的SVPWM算法。
The utility model relates to an autorotation silent electricity-saving coil, used on the ac contactor in the low-voltage controlling circuit, realizing the silent electricity-saving running.
本实用新型涉及的是一种自转无声节电线圈，用于低压控制电路中的交流接触器上，并实现无声节电运行。
This thesis mainly focuses on the study of optimal controlling strategy of the on-load tap-changing transformers and shunt capacitors in high and medium voltage distribution system.
本文重点研究了高中压配电网有载调压变压器和并联电容器的优化控制问题。
The primary research of this paper is about the controlling of double-fed wind generator under the ideal voltage and the small network voltage dip.
本文主要研究双馈风力发电机理想电压及电网电压小值跌落时控制的相关问题。
It improved the battery serve life greatly, which using large charge current at beginning, controlling the charge time of constant voltage and using pulse charge in the end.
起始以大电流恒压充电，并严格控制恒压时间，后期以脉充电流结束能使电池的寿命大大提高。
It improved the battery serve life greatly, which using large charge current at beginning, controlling the charge time of constant voltage and using pulse charge in the end.
起始以大电流恒压充电，并严格控制恒压时间，后期以脉充电流结束能使电池的寿命大大提高。
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