• 研究正弦振动发生装置

    The non-sinusoidal oscillation device was studied.

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  • 文中指出正弦平均功率的计量标准丞待建立

    It indicated that the test standard of nonsinusoidal average power must be set up urgently.

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  • 本文讨论正弦电磁波辐射所面临的部分问题

    This paper deals with some problems involved in nonsinusoidal electromagnetic waves radiation.

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  • 介绍了正弦周期电流电路平均功率测量原理

    The measurement principle of the average power for non sinusoidal period current circuit is introduced in this paper.

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  • 正弦电路的无测量当前电力测量研究的热点。

    Reactive power measurement of non-sinusoidal circuit is the hot-spot research in Electric power System.

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  • 齿轮曲线非正弦振动串联齿轮

    Noncircular gear Pitch curve Non-sinusoidal oscillation Serial gears;

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  • 非正弦电路功率瞬时无功功率尚无统一定义

    Then the definitions of average and instantaneous reactive power based on Hilbert transforrnation for non-sinusoidal circuit are presented.

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  • 线性负载形成正弦电流方波其中包含谐波成分

    The nonlinear load will draw a nonsinusoidal current, such as a square wave, which contains harmonic components.

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  • 方法也适用于其他非正弦供电电机耦合有限元分析

    The element analysis about the coupling problem of control circuit and field is...

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  • 指出了在正弦周期性激励下结合“谐波分析”运用此法。

    Furthermore, that the method may be used for non-sinusoidal periodic excitation is indicated.

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  • 结晶器正弦振动实施连铸提高铸坯质量关键技术

    Nonsinusoidal oscillation of continuous casting mold is one of the key technologies for high speed casting with high quality.

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  • 适当降低增大振幅非正弦振动因子抑制表面裂纹形成

    The surface cracks formation can be restrained by decreasing oscillation frequency and increasing amplitude and nonsinusoidal oscillation factor properly.

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  • 谐波理论分析对于正弦交流电路研究具有重要理论实际意义

    The analysis of modulation wave theory has very important theoretical and actual meaning for studying non sine alternating current.

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  • 板簧结晶振动试验装置上,模拟了小方坯连铸机正弦振动。

    The non-sinusoidal mould oscillation of machine was simulated at a half plank spring mould tester. The …

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  • 板簧结晶振动试验装置上,模拟了小方连铸机非正弦振动。

    The non-sinusoidal mould oscillation of machine was simulated at a half plank spring mould tester. The developed hydrauli

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  • 近年来,国内外采用液压式非正弦振动结晶器,实现了连铸生产自动化

    In recent years, The Hydraulic-Servo mould is applied in the world, realized product line's automation for continuous metal cast.

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  • DC开关变换器线性程度很高输入电流非正弦形式,功率因数

    AC/DC switching converters are highly nonlinear. Therefore they draw a non-sinusoidal current with a very low power factor.

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  • 正弦电路中,有功功率定义已被公认功功率的定义却一直还没有定论

    The active power definition is well accepted, but the reactive power definition is still questionable in non-sinusoidal condition.

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  • 正弦变化负载阻力平衡应用设计优化方法推广价值

    The optimization design method can also be used in the balance of non-sinusoidal changing load resistance moment and has important value of application popularized.

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  • 建立了椭圆齿轮驱动结晶正弦振动系统动力学模型推导了动力学方程。

    The dynamics model of non-sinusoidal vibration system of crystallization utensil driven by elliptical gears was established, and its dynamics equation was derived.

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  • 然而如果相位变化线性的,那么非正弦信号产生严重的相位失真。

    However, if the phase change is non-linear, then the non-sinusoidal signals will have a serious phase distortion.

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  • 即使三相正弦激励的作用下,三相线电流发生非正弦畸变产生谐波电流

    Even if it worked with three-phase sine, three-phase line current would have non-sine aberrance and produce harmonic wave-electricity.

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  • 讨论了变频电源输入电压非正弦电机性能影响提出改善不利影响的措施

    In this paper, the functional influence of input voltage non-sine of Varible-frequency voltage source on Electric Power Dynamometer motor discussed. and methods of improving them were also given.

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  • 结晶正弦振动形式增加结晶器振动基本参数,突破结晶器正弦振动参数取值限度。

    The development of non-sinusoidal oscillation of mould expands the basic parameters of mould oscillation, and surmounts the limit of oscillating parameters range for sinusoidal oscillation .

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  • 给出一种用于连铸生产正弦振动波形,并对其波形参数振动工艺参数进行了讨论。

    A waveform of non sinusoidal oscillation for continuous casting is given. The relations between the waveform parameters and oscillation process parameters are discussed.

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  • 结果表明这种非正弦振动波形具有好的拉速度适应范围能够满足连铸生产要求

    The results show that the waveform is suitable for a broad casting speed range and can meet the need of continuous casting production.

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  • 然后理论上研究了电流传感器测量误差正弦磁场分布对永磁同步电机转矩波动影响

    Then, the effects of current sensor measurement error and non-sinusoidal magnetic field distribution on motor torque fluctuation are theoretically investigated.

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  • 例如,电弧就是一种线性负荷,因为加上正弦电压形成非正弦电流(大量谐波)。

    For example, an arc furnace is nonlinear since it will draw a no sinusoidal current (rich in harmonic's) when a sinusoidal voltage is applied.

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  • 电机传动系统大都采用变频器供电输出的是正弦电压、电流,在电机中产生非正弦磁场

    The motor drive system almost all use inverter supply power, which output non-sinusoidal voltage-current and produce non-sinusoidal electromagnetic field.

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  • 装置有效值电路检测正弦焊接电流值,用中断定时计数器实现了可控硅精确触发

    The measuring circuit for RMS of non-Sin welding current and the precise triggers of SCR using interrupt controllers and timers in AduC812 MCU are also described.

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