This paper deals with the phasor diagram, the phasor analysis and the nature ofd-axis armature reactions of the steady-state running for single-phase PM synchronous motor.
研究了稀土永磁单相同步电动机的稳态运行时的相量图,对相量计算结果进行了分析,讨论了电机直轴电枢反应的性质问题。
This paper proposes a general finite element (FE) based phase variable modeling method of permanent magnet (PM) linear motors for the accurate dynamic simulation of drive systems.
考虑电机非理想结构对推力的影响,建立了永磁直线电机的一般化相变量模型。
Sept. 9 pm, with the Coal vice chairman, general manager, general manager Zhang Youxi security office hosted the meeting, arrangements for the next phase of safety work.
9月9日下午,同煤集团副董事长、总经理张有喜主持召开总经理安全办公会议,安排部署下一阶段的安全工作。
Regarding (b) and (c), unforeseeablechanges in requirements, process, or technology may require the contractor toupdate the set of measures used for that phase and communicate this to the PM.
关于(b)和(c),在需求、过程或技术方面不可预见的变更可能会要求承包方去升级用于对应阶段的测量集并同项目经理进行沟通。
The design method for hybrid waveforms utilizing ran-dom poly-cell code pulse position modulation (PPM) and pulse-to-pulse binary sequences phase modulation (PM) is introduced in this paper.
该文提出了一种利用随机多元码脉位调制(PPM)和脉间伪随机或随机二元序列相位调制(PM)相结合的混合波形设计方法。
The torque ripple caused by diode freewheeling of the inactive phase during non-commutation state of PM brushless DC motor(BLDCM)when using the PWM_ON type of pulse width modulation was analyzed.
分析了传统的PWM_ON调制方式对无刷直流电动机在非换相期间由于截止相的反并联二极管续流而导致转矩脉动的原因。
Direct digital synthesis (DDS) is an advanced all digital frequency synthesis technology, based on the PM function of DDS, this paper gives the design scheme of a DDS digital phase shifter.
直接数字式频率合成技术(DDS)是一种先进的全数字频率合成技术,本文基于DDS的相位调制功能,给出了一种DDS数字移相器的设计方案。
The new PM technology has been introduced, such as superfine powder manufacture, rapid solidification processing, mechanical alloying, liquid phase sintering, rapid consolidation etc.
本文叙述了新的PM技术如超细粉制造技术、快速凝固制粉技术、机械合金化技术、液相烧结技术、快速固结技术等。
So the saturated steady operation mathematical model of pulsating magnetic field PM low speed synchronous motor is constructed under phase coordinate system.
脉振磁场永磁低速同步电动机是一种新结构原理的永磁同步电动机。
Influences on the speed and direction of the rotation by the phase Angle of the supply voltage, initial Angle of rotor position, PM line flux and the load torque are discussed.
同时讨论了电源合闸角、转子初始相角、磁链和负载转矩对电机转速和旋转方向的影响。
And George was now able to correctly reason that "this phase is highest in the sky at 9 PM, therefore rising 6 hours earlier at 3 PM and setting at 3 AM."
现在乔治也能够做出正确的推理:“这个时段的月球在晚上9点钟时处于天空最高的位置,因此月出在6小时之前的下午3点钟,月落在凌晨3点钟。
In frequently used methods, sine wave is used as carrier with amplitude modulation (am), frequency modulation (FM) and phase modulation (PM) implied.
常用的调制方式使用正弦波作为载波并对其进行幅度调制(AM)和角度调制即调频(FM)或调相(PM)。
In frequently used methods, sine wave is used as carrier with amplitude modulation (am), frequency modulation (FM) and phase modulation (PM) implied.
常用的调制方式使用正弦波作为载波并对其进行幅度调制(AM)和角度调制即调频(FM)或调相(PM)。
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