| EXAMPLE SENTENCES | ||
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对于它励直流电动机，励磁线圈由一个单独的电源来励磁。 In the separately excited dc machine, the field winding is excited from a separate source. | ||
本文详细阐述了这一励磁方式的优点和缺点，讨论了自并励励磁系统设计中主回路、起磁回路、灭磁回路的有关问题。 This thesis sets forth the merit and flaw of excitation system and other concerned problems of main loop, magnetizing field loop and de-excitation loop in detail. | ||
事实上，N极边和s极边由相同的励磁绕组励磁，这意味着模型中的磁动势只是实际磁动势的一半。 In fact, however, the N-pole side and the S-pole side are excited through the same field winding, which means that this model shows MMF that is only half the actual value. | ||
左上角，在点火励磁部分是可见的。 Top left, part of the ignition exciter is visible. | ||
对自并励静止励磁系统发电机空载阶跃指标提出整定范围。 The setting range of no load voltage step response index for self excited shunt excitation system is put forward. | ||
交流励磁是一种好解法对这个问题。 AC excitation is a good solution to this problem. | ||
这一方法也适用于其它分立元件的励磁调节装置。 This method can be applied to other ones as well. | ||
磁芯采用高频脉冲电流励磁，信号处理电路由峰值检波、低通滤波及差动电路构成。 The toroidal core was excited by sharp pulse current. The sensor circuit is composed of peak value detector, Butterworth low-pass filter and differential amplifier. | ||
由于母线PT励磁特性的非线性，铁磁谐振频繁发生在中性点接地变电站的空母线上。 Ferroresonance due to the saturation of PT magnetizing characteristics is frequently reported to happen on the busbars of neutral grounded substations. | ||
另外，用两极之间的电流表示励磁绕组磁动势，对应于各极之间磁场的大小和方向。 Also, MMF of the field winding is represented as electric currents in the gap between poles, with regard to magnitude and direction of magnetic field at respective poles. | ||
