就电网瞬时波动对化工装置运行造成的的影响进行简要地分析。
Briefly analyzed influence of electrical net fluctuation on operation of chemical plants.
采用瞬时功率控制可减小混炼胶的门尼粘度波动。
The Mooney viscosity fluctuation of mix can be decreased by using instantaneous power control.
在变速参数中影响电机瞬时电流波动最为显著的因素依次为变速波形、变速幅度和变速频率。
The significant factors which exert an influence on instantaneous fluctuation of motor current are in sequence :Vari-speed wave form, vari-speed amplitude and vari-speed frequency.
在实测基础上，对壁面温度波动及瞬时热流量进行了分析。
Based on the experimental results, the undulation of wall surface temperature and instantaneous heat flux are analysed.
理论分析和试验结果表明，采用变速切削加工时，电机瞬时电流确有一定程度的波动，但不影响机床电机的正常使用；
The theoretical analysis and experimental results demonstrate that the motor current has some fluctuation in vari-speed cutting process, but it is almost no effect on normal operation of machine tool.
为降低开关频率和减少开关损失，需增加功率滞环比较器环宽，否则引起瞬时有功功率和直流电压波动，影响系统的性能；
The hysteresis wide is widened for decreasing switching frequency and energy losses, which causes the pulsation of instantaneous active power and direct current voltage.
根据往复式内燃机工作的本质特征，选择了与传统时间域及频率域不同的曲轴角度域及频率域，对汽车发动机的瞬时转速波动进行了划分。
According to the basic characteristics of internal combustion engines, crank Angle domain and its frequency domain were chosen, and engine momentary speed fluctuations were divided.
根据往复式内燃机工作的本质特征，选择了与传统时间域及频率域不同的曲轴角度域及频率域，对汽车发动机的瞬时转速波动进行了划分。
According to the basic characteristics of internal combustion engines, crank Angle domain and its frequency domain were chosen, and engine momentary speed fluctuations were divided.
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