• Parameter optimization of power system stabilizers is very important to restrain the low-frequency oscillation of multi-machine systems.

    电力系统稳定器参数优化对于抑制多机电力系统低频振荡具有非常重要的意义。

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  • The PSS equipment is used to eliminate the low-frequency oscillation in the electric power system to ensure safe and stable operation of the electric power system.

    PSS装置应用电力系统解决系统低频振荡有效途径,是保证电力系统安全稳定运行所必不可少的方法。

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  • For synoptic scale systems, the SST thermal forcing mainly excites the atmospheric low - frequency oscillation.

    对于天气尺度系统海温热力场则主要激发出大气低频振荡。

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  • The conclusions provide the important reference for the suppression of low frequency oscillation and stable operation in power system.

    所得结论对于电力系统低频振荡抑制以及电力系统稳定运行具有重要参考价值

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  • The conclusion can provide reference to research into the causes of power system low frequency oscillation .

    研究结果探讨电力系统低频振荡产生原因具有一定的参考价值。

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  • Fixing power system stabilizer on the governor of synchronous generator is an effective method to restrain low frequency oscillation.

    同步发电机组调速器侧装设电力系统稳定器抑制电力系统低频振荡的有效措施

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  • Small signal stability becomes one of the important factors influencing transmission capacity because low frequency oscillation in power systems is always caused by small interference.

    干扰能够引发电力系统发生低频机电振荡,因此小干扰稳定限制电力传输容量主要因素之一。

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  • This makes design and producing VCOs can avoid the disturbing of low frequency oscillation, and improve the features of VCOs.

    使相噪vco设计调试免于低频振荡干扰,从而有利于提高VCO的各项指标。

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  • For synoptic scale systems, the SST thermal forcing mainly excites the atmospheric low-frequency oscillation.

    对于天气尺度系统海温热力场则主要激发出大气低频振荡。

    youdao

  • 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.

    控制器以PM U得到区域电压相角信号作为输入信号,能够直接有效地反映区域间低频振荡特性。

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  • The results show that the influences of ENSO on the afterward monsoon activities in East Asia are in existance owing to atmospheric low frequency oscillation excited by SSTA.

    结果表明由于SSTA大气中强迫激发出了大气低频振荡使得ENSO其后东亚季风活动仍有明显影响

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  • A new type of extended small signal stability region (E-SSSR) is presented so that it can consider the low frequency oscillation phenomena captured in power system operations.

    引入一种新的扩展扰动稳定的概念,弥补原有小扰动稳定域无法考虑电力系统(超)低频振荡的不足。

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  • Combining network characteristics of west Hubei, the principle and method for suppressing low frequency oscillation are studied, and the corresponding measures are presented accordingly.

    结合鄂西电网特点研究其抑制低频振荡原理方法提出相应解决措施

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  • Especially, the sub-harmonic oscillation of the low frequency inductor current is analyzed and the method to solve this problem is proposed.

    分析了变换器低频电感电流谐波振荡问题提出了抑制措施,实验验证了理论分析的正确性。

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  • The above experimental result is of value for the mechanism and suppression of low frequency combustion oscillation in an afterburner of a turbofan engine.

    上述结果研究低频振荡燃烧机理抑制技术有一定参考价值

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  • The low frequency oscillation of monsoon rainfall propagate in meridional direction from the south to the north.

    降水低频振荡呈现明显南向的经传播

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  • This paper analyzed the effects of several excitation controllers, and found that the unsuitable controller can cause a low frequency oscillation on power system.

    本文经理论分析提出“系统产生负阻尼原因是不适当励磁控制方式”的结论。

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  • The traditional PSS use the local signal such as the generator electromagnetism power or shaft speed as its input to restrain low frequency oscillation.

    传统PSS使用本地可测量发电机电磁功率转速作为输入信号抑制低频振荡

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  • It is shown that the flow instability with high frequency belongs to acoustic oscillation and the flow instability with low frequency is density wave instability.

    高频脉动属于声波脉动低频脉动属于密度型脉动。

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  • It reveals the probability and conditions of extra-low frequency oscillation and double frequency oscillation in power systems.

    分析揭示了电力系统产生超低振荡频振荡可能性条件

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  • Analysis of dynamic simulation shows that this optimal excitation system can increase the system damping, improving stability, with good low-frequency oscillation suppression and robustness.

    动态仿真分析表明设计最优励磁系统能够有效地增加系统的阻尼提高系统的稳定性,且能够很抑制系统低频振荡具有较好的鲁棒性。

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  • In the context of the NCAR daily reanalysis data of 1998, this paper investigates the source or sink features of atmospheric LFO (low frequency oscillation) over the Tibetan Plateau in summer 1998.

    使用1 998年美国NCAR再分析逐日资料研究了1 998年夏季青藏高原大气低频振荡特征

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  • The test show that the simulation test result is identical with that of practical test. The low frequency oscillation damping is considerably enhance on w...

    试验表明仿真试验结果实际试验一致,无论发电或电动机运行方式,对低频振荡阻尼较大增强。

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  • This paper describes the mechanism of power system low frequency oscillation production, and discusses the current common analysis methods. Through comparative ana

    由于低频振荡频率、周期较长、波及面较广,给电力系统带来危害也较大

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  • The conclusions provide the important reference for the suppression of low frequency oscillation and stable operation I...

    所得结论对于电力系统低频振荡抑制以及电力系统稳定运行具有重要参考价值

    youdao

  • The conclusions provide the important reference for the suppression of low frequency oscillation and stable operation I...

    所得结论对于电力系统低频振荡抑制以及电力系统稳定运行具有重要参考价值

    youdao

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