装置的相关硬件和软件设计保证了合闸瞬间的相位差小于允许合闸相角差。
The design of the hardware and software ensures the breaker closing at the just moment of zero- differential phase.
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.
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.
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.
调度员可实时观察到全网各节点间相角差的变化情况,并作出调度和稳定控制策略。
Dispatchers can timely observe the condition of difference in phasor Angle between national network joints, accordingly, some adjustments and stably control strategies are made.
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.
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.
避免由于压差、频差和相角差太大,使的合闸时,发电机组电枢绕组电流过大,对发电机组联轴系统产生冲击。
The phase and frequency between the system and generator must be small enough to ensure minor current in the armature winding of generator, avoiding the impact to the coupling shaft.
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.
分析误差传递因子相角等因素对有限差分波动方程偏移造成的相位畸变问题,找到相应规律。
Cut-error that made from the finite difference mirgation, phase angle of error transfer function and factors that determine their values are discussed.
分析误差传递因子相角等因素对有限差分波动方程偏移造成的相位畸变问题,找到相应规律。
Cut-error that made from the finite difference mirgation, phase angle of error transfer function and factors that determine their values are discussed.
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