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voltage fluctuations
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  电压波动
     In this paper, synchronization detection method of voltage fluctuations is described first. Then, the synchronization detection method of voltage fluctuations based on IEC is designed and simulated using LabVIEW and MATLAB/Simulink. The Simulation Interface Toolkit (SIT) provides a seamless integration between MATLAB/Simulink software and LabVIEW.
     首先介绍了电压波动同步检测法的工作原理,然后利用虚拟仪器软件LabVIEW、Simulation Interface Toolkit(SIT) 及MATLAB/Simulink对电压波动同步检测法进行了设计与仿真。
     Design and Simulation of Synchronization Detection Method of Voltage Fluctuations
     电压波动同步检测法的仿真
     The test system must be calibrated. Herein the harmonic current, the voltage fluctuations and flicker test system are well investigated. The calibration system composed of 3091LD Ac load and FLUCK 6100A electrical power standard, and the items need to be calibrated according to the national standards are determined.
     本文首先对谐波电流、电压波动和闪烁的测试系统进行了系统的分析,然后重点研究了根据国家标准构建的由3091LD Ac load和FLUCK 6100A电能标准源组成的校准系统,确定校准项目,并对谐波电流、电压波动和闪烁测量系统的校准方法进行了研究。
     Power quality disturbances mainly include: interruptions, voltage sags & swells, voltage fluctuations and harmonics, etc.
     电能质量现象主要包括:断电、电压凹陷和凸升、电压波动以及谐波等方面。
短句来源
     Power quality disturbances mainly include: interruptions, voltage sags & swells, voltage fluctuations and harmonics, etc.
     电能质量现象主要包括:供电中断、电压凹陷和凸升、电压波动以及谐波等方面。
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  电压波动的
     This paper describes harmonic interferences and voltage fluctuations generated by those equipment that are connected to the AC mains as well as their measurement methods and limit values. Currently relevant international standards(IEC 1000 3 2 and IEC 1000 3 3)are available。
     介绍了电子、电器设备对公用电源产生的谐波干扰及电压波动的分析、测量方法及限值,目前已有相关的国际标准(IEC1000-3-2,IEC1000-3-3)。
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  “voltage fluctuations”译为未确定词的双语例句
     The analysis results show that large voltage drop is attributed to the breaking and reconstruction of multiple layer spiral structure of the arc, and small voltage fluctuations are probably caused by arc lengthening and shortening during the arc root jumping on the anode.
     结合电弧图像分析和电弧电压脉动及其FFT分析得出:电弧电压的大幅波动与多层电弧螺旋结构破裂和重建相关,而电弧电压的小幅波动则是弧根小幅跳动引起电弧拉长和收缩的结果。
短句来源
     The experiment results indicate that compare to the PID control,the fuzzy control has a lot of merits,such as,fast transient response,small turn-on overshoot,small output voltage fluctuations with output current changes.
     仿真结果表明:具有模糊控制的PID动态响应快、超调量小、负载变化引起输出电压的变化小。
短句来源
     Dual randomized modulation used in power converters can effectually reduce conduct EMI, while it increases output voltage fluctuations.
     开关功率变换器中应用双随机调制技术能有效地减小传导EMI,改善系统电磁兼容性,但引起了变换器输出电压脉动增加,精度降低。
短句来源
     The experiment results indicate that by comparison with the PIDcontrol, the fuzzy control has a lot of merits,such as the fast transient response, small turn-on overshoot, small output voltage fluctuations with output current changes.
     实验证明:与PID控制相比,模糊控制动态响应快、超调量小、负载变化引起输出电压的变化小。
短句来源
     To deal with the weakness of the PID control in the switching power supply ,a non-linear object, a new intelligent control method based on the fuzzy control is presented and simulated under the MATLAB.The experiment results indicate that comparae to the PID control ,the fuzzy control has a lot of merits,such as,fast transient response, small turn-on overshoot, small output voltage fluctuations with output current changes.
     针对开关电源这一非线性对象传统 PID控制的不足 ,提出了一种基于模糊控制的新的智能型控制方法 ,并在 MATLAB环境下实现了仿真。 实验证明 :与 PID控制相比 ,模糊控制动态响应快、超调量小、负载变化引起输出电压的变化小。
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  voltage fluctuations
In order to determine the influence of these different spray parameters on the CBL properties and voltage fluctuations, experiments were performed with two different plasma torches from Sulzer Metco.
      
These voltage fluctuations are strongly linked to the thickness of the cold boundary layer (CBL), surrounding the arc column.
      
The latter is characterized by rather large voltage fluctuations, corresponding to a broad range of conditions used in the manufacturing of plasma coatings.
      
Periodic time-dependent variations in the in-flight characteristics of cold and hot particles, synchronous with the voltage fluctuations, are revealed.
      
Alumina coatings and deposition efficiencies, obtained with two sets of spray conditions showing similar in-flight particle conditions (velocity and temperature) with the DPV-2000 but displaying very different voltage fluctuations, are compared.
      
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This paper discusses the cause of geomagnetic induced current (GIC) and its impact on AC/DC electrical power systems,such as voltage fluctuations,generation of har- monics,malfunction of relay protection and possible overheat in transformers.The schemes for mitigation and the problems for study are suggested as well.

本文讨论了地磁感应电流的产生及其对交直流电网电压的波动、谐波的产生、继电保护装置的误动及可能发生变压器的局部过热等方面的影响;并介绍了电磁感应电流的缓解方法,提出了尚需研究的问题。

The application of micro-computer to the railway track scale has made great technological progress. The paper introduces and discusses a new micro-computer control system for electromic motion weighing track scale in the five aspects of working principles, application of microcomputer, module convert channel, bridge power supply and load cell amplification circuits. The use of the micro-computer control system in production demontrates that it can increase the accuracy and speed of motion weighing operation,...

The application of micro-computer to the railway track scale has made great technological progress. The paper introduces and discusses a new micro-computer control system for electromic motion weighing track scale in the five aspects of working principles, application of microcomputer, module convert channel, bridge power supply and load cell amplification circuits. The use of the micro-computer control system in production demontrates that it can increase the accuracy and speed of motion weighing operation, decrease the shift effect on the system as a function of time, temperature and voltage fluctuations, increase the capability of anti-interference, achieve motion weighing by logic identification without switches, easy maintenance and low error ratege.

微机的应用推动了轨道衡的技术进步。本文从工作原理、微机应用、模数转换通道,供桥电源、传感器放大处理电路等五个方面介绍和论述动态电子轨道衡的一种新型微机控制系统。这种电控系统已在生产实际中应用。取得了:提高动态电子轨道衡的准确度和称量速度;降低整个系统随时间、温度、电压波动的漂移影响;提高抗干扰能力;实现以无开关逻辑判别方式进行动态计量,降低故障率;以及维护方便等效果。

In this paper, the voltage fluctuation characteristics are experimentally studied for a silver deposition system. At the same time, the influences on voltage fluctuation of the degree of expansion of fluidized bed, of the voltage difference between collector and counter, and of the fluidization state are investigated. The conduction mechanism proposed in Part( I ) is corroborated experimentally.The experimental results show that there are two manners for the particle and electrolyte voltage fluctuations,...

In this paper, the voltage fluctuation characteristics are experimentally studied for a silver deposition system. At the same time, the influences on voltage fluctuation of the degree of expansion of fluidized bed, of the voltage difference between collector and counter, and of the fluidization state are investigated. The conduction mechanism proposed in Part( I ) is corroborated experimentally.The experimental results show that there are two manners for the particle and electrolyte voltage fluctuations, one of high frequency but low amplitude and the other of low frequency but high amplitude. When slugging or channeling appears, the particle voltage and the electrolyte voltage fluctuate irregularly while the overvoltage has essentially no irregular fluctuation. The influence of the voltage difference between collector and counter on the voltage fluctuations is rather pronounced. When the voltage difference is lower than about 1V for the reactor used there are essentially not low frequency, high amplitude voltage fluctuations. When the voltage difference is greater than about 1V, the low frequency, high amplitude voltage fluctuations for both the particle and electrolyte become more and more remarkable.

以电沉积金属银为实验体系,对流化床电化学反应器的电位波动特性进行了实验研究,考察了床层膨胀率、外加电压、流化状态等因素对电位波动的影响,并验证了本文(I)所提出的导电机理.

 
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