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

    磁性粒子的静磁场出发,分析计算了由磁性粒子随机混合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.

    采用计算机模拟方法计算纳米晶复合永磁材料磁性能,软磁相比例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.

    要求硬尽可能的内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影响,建立永磁直线电机的一般化变量模型

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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.

    改进HDDR工艺制得晶粒尺寸明显小于传统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简单解析计算,可根据垫片位置大小厚度、磁极间隙等参数直接计算出对磁场位相的修正。

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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.

    给出了波荡器位误差函数式,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.

    提出种用于电网侧三相电压不平衡情况永磁风力发电机逆变控制算法

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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矫顽力磁性的高饱和磁化强度,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.

    叙述轴向感应子永磁电动机结构及其运行原理

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

    提出一种三相永磁同步电动机的数学建模方法。

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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.

    研究软件锁相技术陀螺用无位置传感器无直流电机控制系统中的应用。

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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.

    交流电机回路理论电磁场有限元方法结合起来建立了多相永磁同步电动机多回路—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.

    方法可以应用于一般单相永磁反应式同步电动机

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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.

    新颖具有故障隔离特性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.

    新颖具有故障隔离特性电路结构六相永磁容错电机控制系统

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