Voltage between lines of a polyphase system 多相系统的线间电压
The low voltage distributor and exchanger between two supply lines will be supplied by buyer. 由买方提供低压配电柜,并做两路自动切换设置。
In this paper, the author first discusses how the electric voltage between electric poles on the cross-section is divided into some equations with equipotential lines obtained by conformal transformation. 首先用由保角变换得到的等位线,将离心圆柱电容器的横截面上电极间的电压等分为若干等份;
In preparation PWM transducer three-phase asynchronous motor-driven devices, as transducer output voltage higher when thing between vehicles and electrical transmission lines over a certain length, it will be produced in the electrical winding-peak voltage, the insulation will affect the performance of electric motors and life. 在脉宽调制PWM变频器驱动三相异步电动机装置中,由于变频器输出电压dv/dt较高,当逆变器与电机之间传输电缆超过一定长度时,在电机绕组端将产生电压尖峰,影响电动机的绝缘性能和寿命。
Two-level sense amplifier amplifies the tiny voltage difference between the bit lines and enhances the anti-jamming ability. 两级敏感放大器的应用在确保对位线微小电压差的放大的条件下,提高了抗干扰能力。
Knowing the relativity of the voltage sags between the lines in complex power system will help to analyze and prevent the voltage sags. 明确复杂网络线路间电压暂降相关性将有助于分析和抑制电压暂降现象。
The integrating criterion for distinguishing permanent or instantaneous fault condition is put forward using voltage amplitude of fault-phase, phase relationship of voltages between fault line and no-fault lines, and harmonic of fault phases voltage. 提出采用故障相电压幅值大小,故障相电压与非故障线路电压之间的相位比较,以及故障相电压谐波大小的综合判据,以区分永久性故障与瞬时性故障,实现有选择的单相自动重合闸。