Regarding 6k locomotive with triple bridge continuous voltage regulation, theoretical analysis and calculation are conducted upon its power factor and harmonic current.
本文针对三段桥连续调压方式的6K机车功率因数和谐波电流进行了理论分析和计算。
The dynamic voltage restorer is designed as unilateral energy flow equipment which can compensate continuous voltage sag or swell resulted from the voltage drop of power cable.
动态电压恢复器采用单向馈能电路结构,可以在能量单向流动的情况下,实现对因电缆压降而产生的电压暂降或暂升的持续补偿。
Although it is possible to close multiple paths, this is practical only in DC testing, for example, to apply continuous bias voltage to a number of DUTs.
尽管可能会闭合多条路径,但实际应用中,只有在DC测试中才会用到,例如对多个DUT施加连续的偏置电压。
Steady voltage adjustment: Adopt the compensate type combination of machinery and power, the continuous and steady voltage regulating with no sudden break.
电压调节平稳:采用补偿方式机电结合,电压调节连续平稳不会发生突变;
By use of MCS-51 chip microprocessor, it can fulfill the tasks, such system control and management, programmable control communication and continuous regulation of voltage with high accuracy.
该系统采用了MCS - 51单片机实施系统控制与管理、电压连续调整、通讯程控等功能,因而精度高、自动化功能强、使用方便。
This paper applies a method of linear continuous variable feedback to the control of a kind of voltage collapses induced by reactive power changes, which only USES a single variable to feed back.
应用连续变量线性反馈对一类由负荷无功功率变化引起的电压崩溃进行控制,仅用单个变量即可实现。
Continuous power flow method is frequently employed when analyze electric power system voltage stability problems.
连续潮流方法是分析电力系统电压稳定问题的常用方法。
Along with the continuous development of power system network and the continuous enhancement of voltage grade, the request is enhanced correspondingly to the fault phase selector.
随着电力系统网络规模的不断扩大和电压等级的不断提高,对故障选相装置的要求也不断提高。
By combining the continuous power flow method with improved differential evolution calculation, the static voltage stability margin is found via optimal grouping of relevant variables.
在连续潮流法的基础上,结合经过改进的差异进化算法,通过对变量的组合优化,求取系统静态电压稳定安全裕度。
Continuous input current is ensured, which mitigates the impact on DC source and improves DC voltage utilization.
同时该拓扑还保证了输入电流连续,减小了对直流源使用寿命的影响,提高了直流侧电压利用率。
Usually, the output voltage for continuous adjustment was obtained by controling turn-on angle of thyristor.
通常采用控制晶闸管的导通角,而得到输出连续可调的直流电压。
The new regulators operate with an input voltage range up to 75v and deliver up to 3a of continuous output current.
新型稳压器工作的输入电压最高可达75v,并可提供高达3a的连续输出电流。
For the tangent plane can be achieved by running continuous power flow method only once, it's possible to realize the online calculation of the static voltage stability region.
由于利用文中方法只需通过一次连续性潮流计算即可获得稳定域边界上的切平面,使得稳定域的在线计算及可视化成为可能。
Consequently, it is necessary to make continuous observation of the voltage at certain key points in the system in order to provide acceptable service.
因此必须在系统某些关键位置对电压不断进行观察;才能提供令人满意的服务。
In addition, shutdown of production equipment caused by drop off voltage flicker can be recovered or alarmed automatically, which offers effective protection to continuous production process.
同时,系统对闪变电压跌落造成的生产设备停机可以实行自动恢复或报警,为连续性生产工艺提供了一种有效的防护。
Ciba has developed a nitrite feed rate gauge system for controlling process of continuous diazotization by polar voltage method, and Hoechst has developed newly an equipment for continual coupling.
汽巴公司发明了用极性电压法控制连续重氮化过程中亚硝酸盐加入速度的探测系统,赫斯特公司发明了连续式偶合装置。
The voltage of electric generator is 115v or 200v, the frequency is 50hz, the work method is continuous running.
发电机的电压为200伏或115伏,频率为50赫,工作方式为连续运行。
The continuous power flow method can readily overcome the abnormality of the power flow equation in neighborhood of limits and is frequently used for determining the static voltage stability margins.
连续潮流法能较好克服潮流方程在极限点附近的病态,是求取静态电压稳定裕度的常用方法。
Contimuously adjustable current and voltage, wide adjustment range, high duty cycle, continuous welding.
电流电压边续可调,调节范围宽,负载持续率高,可连续焊接。
Increases both the steady state and transient stability limits of the generator with respect to the power system by continuous, fast control of the exciter voltage to match the generator requirements.
通过连续、快速控制励磁机电压以与发电机的要求相匹配来提高发电机对于电力系统的稳态和暂态稳定性限度。
The macrocosmic voltage is changed in terms of the demand of system operation, while the waveform of the microcosmic voltage is smooth, continuous and poses no impact.
使调压过程在宏观上电压按系统运行的需要而改变,而微观上电压波形平滑、连续、无冲击。
Methods a dis continuous buffer system was used. CK MM isoform was separated by electrophoresis under the condition of constant current and low voltage, then fluorescence scanning.
方法采用不连续缓冲体系,在稳流低压条件下电泳分离CKMM亚型,荧光扫描。
Petrochemistry industry has the characteristic of continuous producing and almost every installation has react of high temperature and high voltage.
石油化工企业都具有连续生产的特点,几乎每个装置都有高温高压反应。
Test results show that the continuous control method during over-voltage modulation period features simplicity, high efficiency and excellent control effect.
试验结果表明,过调制区连续控制方法简单、高效、控制效果良好。
Test results show that the continuous control method during over-voltage modulation period features simplicity, high efficiency and excellent control effect.
试验结果表明,过调制区连续控制方法简单、高效、控制效果良好。
应用推荐