如果你要取负值，你会找到不同的，相角，但是你不能取负。
If you would have picked the minus, you would have found a different phase Angle, but you can't pick minus.
这是让欧洲的零售商和制造商自相角力。
That has pitted Europe's retailers against some of its manufacturers.
该方法将为建设基于全网相角测量的安全稳定监测与控制系统提供一项技术基础。
The method will provide a technical foundation for developing a safe and stable monitoring and control system based on the whole net phase angle measurement.
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。
Wherefore real-time trace voltage flicker 'envelope and initial phase Angle proceed with possess important theory sense and practical meaning among power system.
并分析了影响其抑振效果的三个因素：转速变化幅值，频率以及初相角。
That are the amplitude changes of rotation speed frequency, and initial phase angle.
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。
By making changes of reference voltage phase diagrams of load, this method can enlarge the compensation range and decrease the energy output of DVR.
本设计利用超前校正原理，最终满足对控制系统性能指标开环放大系数、相角裕量、截止角频率的要求。
This design is the use of leading correction principle, finally meet the performance index of a control system open loop gain, phase margin, angular frequency requirements.
针对定位传感器应用中相角和齿槽数信号异常的问题，利用硬件冗余和差分法进行时间序列预测，解决了该类问题。
Aiming at the abnormity of the phase and groove number, hardware redundancy and difference method is used to forecast time series and the problems are resolved.
给出了在希望的幅值和相角裕量下控制器参数的计算方法。
Parameters estimation method of controller based on the gain and phase margin is proposed.
分析了系统的电路原理、幅值控制、相角控制及功率因数控制的实现方式。
It analyzes the circuit principle of the system, amplitude control method, phase control method and realization of the power factor control.
该方法综合了现有方案的长处，可避免单一参数(频率差、相角差或电压差)不满足就闭锁快切的弊端。
It integrates advantages of present schemes and avoids the unreasonable blocking for single unqualified parameter, such as the frequency difference, the phase difference or the voltage difference.
作为参考的交流电机电动势与另一台交流电机或无限大母线电动势之间的相角差。
Phase difference between the e. m. f. of an alternator taken as a reference and that of another alternator or that of an infinite bus.
为了抑制电流换相期间的浪涌电压，逆变器采用最佳相角控制。
The inverter uses opetimal phase angle control scheme to suppress the surge voltage during the commutation of current.
这就要求并列合闸时断路器两侧电压的幅值差、频率差和相角差都足够小。
This means the difference of magnitude, frequency and phase of the voltages between the two sides of breaker must be small enough.
当具有随机相角的非线性负荷投入系统运行时，应考虑谐波叠加的问题。
When nonlinear loads are put into operation at random phase Angle in power system, the superposition of harmonics should be considered.
该控制器以PM U得到的区域间电压相角差信号作为输入信号，能够直接有效地反映区域间低频振荡特性。
This controller's input signal is the voltage phase Angle difference between two areas obtained by PMU, which can effectively reflect the inter-area low frequency oscillation characteristics.
通过分析变换器在不同开关相角下滤波电感电流脉动的大小，得出了在同样的电流脉动要求下，采用交错开关方式与采用传统开关方式相比，滤波电感可减小的幅度。
By analyzing the current ripple of the filter inductor on the condition that the phase shift is different, the reduced value of the current ripple with the interleaving modulation strategy can be got.
通过对天基网络性能的分析，用“最优相对相角”方法设计适合我国的全球无缝覆盖的LEO／MEO双层天基信息网体系结构模型。
Based on the advanced constellation design technique called "The best relative angles", a LEO/MEO double satellite communication system suitable for our country's conditonns is proposed.
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。
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.
基于GPS的相量测量装置(PMU)可以直接测得节点电压相量，包括电压有效值和相角。
GPS-based phasor measurement unit (PMU) can measure the voltage phasor directly, including the effective value and phase Angle.
优化匹配网络，减小负载电流和电压的相角，以减少负载反射功率；
Optimizing the matching net and reducing the phase angle between the output voltage and current to reduce the reflection power of the loads, iv.
同时讨论了电源合闸角、转子初始相角、磁链和负载转矩对电机转速和旋转方向的影响。
Influences on the speed and direction of the rotation by the phase Angle of the supply voltage, initial Angle of rotor position, PM line flux and the load torque are discussed.
介绍了一种新型电力系统实时相角监测系统及其动态模拟实验结果。
A real time phasor monitoring system for power system and its dynamic simulation results are presented.
最后分析了母线节点的电压相角差和幅值差变化对合环后电流分布的影响。
Finally, this paper analyzes the influence to the current value after operations led by the variations of bus node voltage phase Angle difference and amplitude difference.
提出一类新型非线性控制器和二次优化控制系统大相角裕量设计法。
The large phase Angle allowance design method for a first class new type non - linear controller and second optimal control system is presented.
相角相角指的是两个不同时经过零点的正弦波之间的关系。
Phase Angle Phase Angle refers to the relation between two sine waves which do not pass through zero at the same time.
本文分析了工作原理，并对移相角与输出各次谐波的幅值，THD的关系做了详细的理论分析。
Its principle is analyzed in this paper, and the relation of phase shifted Angle, the amplitude of each harmonic content and the THD is also analyzed in detail.
本文分析了工作原理，并对移相角与输出各次谐波的幅值，THD的关系做了详细的理论分析。
Its principle is analyzed in this paper, and the relation of phase shifted Angle, the amplitude of each harmonic content and the THD is also analyzed in detail.
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