Includes phase and voltage monitoring devices.
包括相位和电压监测装置。
The effects of different oxidation voltage and pulsed frequency on microstructure, thickness and phase constitute of the coatings have been investigated.
试验研究了不同微弧氧化电压和脉冲频率对涂层微观形貌，涂层厚度及相组成的影响。
This effect can be measured in either the time domain by observing the rate of decay of voltage or in the frequency domain by measuring phase shifts between sinusoidal currents and voltages.
这个效应可以在时间域通过观测电压的衰变率来测量，也可以在频率域通过正弦电流和电压之间的相变来测量。
In addition, the thesis analyzes the influence of the filter structure and parameters on the output DC voltage ripple and the shape of phase currents, as well as harmonics of phase currents.
另外，还对滤波器的结构和参数对输出直流电压脉动和发电机相电流波形的影响及相电流谐波进行了仿真分析。
A cosine phase shifter is applied in phase shifting circuit to meet the possible maximum trigger current and voltage of thruster.
移相线路中配有与弦移相器以满足可控硅整流器最大可能触发电流和电压。
Wherefore real-time trace voltage flicker 'envelope and initial phase Angle proceed with possess important theory sense and practical meaning among power system.
因此对电力系统中的电压闪变的包络线与初相角进行实时跟踪就具有重要的理论意义和现实意义。
Verify ac line voltage phase and frequency with the controller data plate on the enclosure door prior to connecting ac power.
在连接交流电源之前，请验证交流电压、相位和频率是否与控制装置外壳门参数板上的相应数据相同。
A new control scheme of three phase voltage source PWM rectifier is presented.
提出了一种新的三相电压型PWM整流器控制方案。
Test results of simulation system show that grid-connected voltage is synchronization with grid phase voltage.
通过对光伏并网系统的测试表明：并网电压与电网相电压同频同相。
The generator voltage is in phase with the system voltage.
发电机电压的与系统电压同相。
As another example, the logic state of the select signal can be changed in response to a change in the power supply voltage provided to the phase frequency detector.
作为另一个示例，选择信号的逻辑状态可响应于提供给脉冲频率检测器的电源电压的变化而改变。
Motor horsepower, voltage, phase and frequency.
电机马力(功率)，电压，相位和频率。
The product of the effective values of the voltage and current with the cosine of the phase Angle between current and voltage in an alternating-current circuit.
伏特量交流电路中电压与电流的有效值以及电流与电压之间相位角的余弦之乘积。
This paper analyzes the forming process of unloading voltage and the relations among unloading voltage, phase electromotive force, exciting current and rotational speed in art alternator.
分析了汽车发电机抛负载电压的形成过程及其与发电机的相电动势、激磁电流和转速之间的关系。
By making changes of reference voltage phase diagrams of load, this method can enlarge the compensation range and decrease the energy output of DVR.
该方法通过对负载参考电压相角的旋转和幅值的“伸缩”，扩大了DVR的补偿范围，减少了D VR的有功输出。
Under the proper simplified condition, the calculation formulas of rectification voltage and phase current were deduced out respectively and were testified by experiment.
在适当的简化条件下，推导出各自整流电压和相电流的计算公式，并通过了试验验证。
Aiming at the phenomenon of reduced system output voltage capability, phase deflection and wave aberration of tradition SVPWM dead problem.
传统SVPWM控制方式存在死区时间，使系统输出电压能力降低，出现相位偏差、波形畸变等现象。
This paper proposes a cascaded nonlinear PI controller for three-phase voltage source PWM rectifier, which is based on its model in synchronous reference frame.
该文以同步旋转坐标系模型为基础，设计了三相电压型PWM整流器的级联式非线性PI控制器。
The dynamic braking means that after three-phase voltage is switched off asynchronous dynamo the dc current flows into the stator circuit to realize dynamo braking.
能耗制动是在异步电动机切离三相电源后，在定子回路通入直流电流，实现能耗制动。
Alarm function: sound alarm and stop machine. Alarm content: lacking phase, under-voltage, overvoltage, high temperature and urgent stopping.
报警功能：声响报警并停机；报警内容：缺相，欠压，过压，高温，紧急停机。
Parameter test and load discharge can process at one time. It is controlled by CPU, and can automatically test three-phase voltage, current and power ETC.
参数检测和带载放电同时进行，单片机控制，可自动检测三相电压、电流、频率等参数。
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。
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 mainly studies the coupling error caused by induction voltage phase difference, and fluctuation of directional sensitivity caused by changes in near-field difference slope.
本文着重研究了因近场感应电压相位差引起的耦合误差，以及近场天线差斜率变化引起的定向灵敏度的变化；
Voltage protection for electronic and electrical equipment used in low voltage single phase power supply system.
主要用于低压单相电源系统电子电器设备的过电压保护。
Single phase voltage pulse rectifier is an important part of the traction system.
单相电压型脉冲整流器是牵引传动系统的一个重要组成环节。
Single phase voltage pulse rectifier is an important part of the traction system.
单相电压型脉冲整流器是牵引传动系统的一个重要组成环节。
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