• The dipolar interaction in a mixed two - phase magnet of soft and hard magnetic particles was analysed.

    从磁性粒子的静磁场出发,分析计算了由软、硬磁性两相粒子随机混合的双相磁体中的静磁作用。

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  • Magnetic properties of a model nanocomposite magnet were calculated by means of computer simulation, and the effects of the amount of the soft magnetic phase on them were studied.

    采用计算机模拟的方法计算了纳米晶复合永磁材料的磁性能,并对软磁相比例对磁性能的影响进行了研究。

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  • One is that the hard magnet phase must bear intrinsic coercive force as high as possible.

    一是要求硬磁相有尽可能高的内禀矫顽力和尽可能高的磁晶各向异性;

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  • 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。

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  • The main phase grain size of the magnet powder produced by modified HDDR process was significantly smaller than those produced by conventional HDDR process.

    由改进HDDR工艺制得磁粉主相晶粒尺寸明显小于由传统HDDR工艺制得磁粉主相晶粒尺寸。

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  • An simple analytical computation formula is given for field signature of the shims to predict the field and phase perturbation according the shim position, size, thickness and magnet gap.

    给出了波荡器垫补修正场的简单解析计算式,可根据垫片的位置、大小、厚度、磁极间隙等参数直接计算出对磁场及位相的修正。

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  • Undulator rms phase error is expressed as function of the magnet peak field distribution. It can be used as the objective function for practical undulator performance optimization.

    给出了波荡器位相误差的函数式,可由磁场峰值分布直接计算波荡器位相均方根误差。

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  • This paper presents a new converter control algorithm for the direct drive permanent magnet wind generator under the unbalanced three-phase source voltage.

    提出了一种用于电网侧三相电压不平衡情况下的永磁直驱式风力发电机的逆变控制算法。

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  • Nanocomposite permanent magnet exhibits excellent magnetic properties combining high coercivity of permanent magnetic phase with high saturation magnetization of soft magnetic phase.

    纳米复合永磁材料兼具硬磁性相的高矫顽力和软磁性相的高饱和磁化强度,磁性能优异。

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  • The construction and the operating principle of the axial split phase hybrid type permanent magnet stepper motor are analyzed.

    叙述了轴向分相感应子式永磁步进电动机的结构及其运行原理。

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  • A novel mathematical model for a dual three-phase permanent magnet synchronous machine (PMSM) was proposed.

    提出了一种双三相永磁同步电动机的数学建模新方法。

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  • Three-phase unbalanced voltages have great effects on the performance of a line-start permanent magnet synchronous motor.

    三相电压不对称对永磁同步电动机的性能影响较大。

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  • The software phase-locked loop (SPLL) technology in the steady speed control of permanent magnet brushless DC motor (BLDCM) in gyro was discussed.

    研究了软件锁相环技术在陀螺用无位置传感器无刷直流电机稳速控制系统中的应用。

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  • A novel multi phase permanent magnet motor's mathematical model that combines multi loop theory of AC motor and finite element method of electromagnetic field is proposed in the paper.

    将交流电机的多回路理论与电磁场的有限元方法结合起来建立了多相永磁同步电动机的多回路—有限元数学模型。

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  • The method presented in this paper is also used for general single-phase permanent magnet and reluctance synchronous motors.

    该方法可以应用于一般的单相永磁式和反应式同步电动机。

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  • The invention relates to a novel six-phase permanent magnet fault-tolerant motor control system in a half-bridge circuit structure, which has the characteristic of failure isolation.

    一种新颖的具有故障隔离特性的半桥电路结构六相永磁容错电机控制系统。

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  • The invention relates to a novel six-phase permanent magnet fault-tolerant motor control system in a half-bridge circuit structure, which has the characteristic of failure isolation.

    一种新颖的具有故障隔离特性的半桥电路结构六相永磁容错电机控制系统。

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