phase variable造句

• Specification for a . c . motors for aircraft - three - phase variable frequency squirrel - cage induction motors
  飞机交流电动机规范.第2部分:三相可变频率鼠笼式感应电动机
• After studying the traits and operating characteristic of the repmsm , a speed adjusting scheme combining the in - phase variable - frequency speed adjusting with a speed - closed loop is introduced specially
  本文研究了正弦波永磁同步电动机的特点及其运行特性，确定了以他控式磁通轨迹法变频调速和转速闭环调节相结合的调速方案。
• It is discussed in this paper that the possibility of vapor compression refrigeration technology applied in the area of portable refrigeration , and a refrigeration scheme is presented which is based on a three phase variable frequency and adjustable speed miniature compressor
  通过对现阶段国内外便携式制冷技术的研究，本文主要探讨了蒸汽压缩式制冷技术应用于便携式制冷领域的可能性，由此提出采用三相变频压缩机的制冷方案。
• Combining the methods of in - phase variable - frequency adjusting speed with brushless dc control , this system makes full use of characteristic of high static precision and dynamic fast response . in the synchronous model , based on the idea of symmetrical svpwm pattern generator using cpld device implementation
  本文首先探讨了同步电动机调速系统的控制理论，针对本转速源的设计要求，作者提出了他控式变频调速与自控式无刷直流调速相结合的调速方案。
• Combining the methods of in - phase variable - frequency adjusting speed with brushless dc control , this system uses repmsm ( rare earth permanent magnet synchronous motor ) as executing motor . this system makes full use of characteristic of high static precision and dynamic fast response
  以正弦波永磁同步电动机为执行电机，采用他控式磁通轨迹法变频调速和无刷直流方式调速方法相结合的控制策略，充分发挥了同步电机的稳态高精度和直流电机的动态快速性的特点。