Of, relating to, or using an intermittent asymmetrical alternating electric current produced by an induction coil.
交变电压的改变与初级线圈及其次级线圈的匝数成正比。
The electric current supplied to the coils in the guideway walls is constantly alternating to change the polarity of the magnetized coils.
供给导轨槽内线圈的电流交互变化着电磁线圈的极性。
Ac Alternating current (ac) is electric current that alternates between a positive maximum value and a negative maximum value at a characteristic frequency, usually 50 or 60 cycles per second (Hertz).
交流交流是指电流在正负最大值之间以特定的频率变动，通常频率为50或60赫兹。
Transient and surge are the instant aberrance of the voltage and electric current on the simple alternating current wave circuit. surge and harmonic wave are the main manifestation.
瞬变和浪涌是正弦交流波电路上电压与电流的一种瞬时态的畸变。浪涌、谐波为主要的表现形式。
There are several alternate means of transmitting electric power, for example, by alternating or direct current, overhead or underground cable, and all over a wide range of voltages.
有多种送电途径可选择，例如由交流或直流，架室线或地下电缆送电并有各种电压等级。
This paper introduces a kind of electric circuit which mainly consists of a peak detector and a pulse-width discriminator for protecting the three-phase alternating-current supply with loses a phase.
介绍了一个主要由峰值检波器和脉冲宽度鉴别器构成的三相交流电源缺相保护电路。
Alternating current (AC) : Flow of electric charge that reverses periodically, unlike direct current.
交流电：周期性换向的电流，和直流电不一样。
On the basis of stator hollow conductor layer building in large electric machines, the paper deduces numerical formula for calculating conductor alternating current resistance.
本文在大电机定子空心导体分层的基础上，推导了导体交流电阻的数值计算公式。
The experimental results show that the soft starter is satisfactory for alternating-current electric motors.
实验结果表明，该起动器是交流电动机比较理想的软起动器。
The experimental results show that the soft starter is satisfactory for alternating-current electric motors.
实验结果表明，该起动器是交流电动机比较理想的软起动器。
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