• 本文导出同步电机三相对称负载突然拉开,电机端电压励磁电流瞬态过程中的解析表达式

    In this paper, the breaking transient formulas of terminal voltage and field current of synchronous machine with three phase symmetric load have been derived.

    dict.cnki.net

  • 采用倍率放电循环试验方法研究了阀控免维护铅酸蓄电池循环过程端电压容量变化规律

    The variation of discharge voltage and capacity for VRLAB were investigated by means of cyclic tests at high discharge rate.

    dict.cnki.net

  • 阀内可控硅端电压分布特性取决于可控硅器件性能相应缓冲电路参数

    Both performance of thyristor and parameters of snubber circuit significantly affect voltage distribution in HVDC thyristor valve.

    www.juyy.net

  • 上述基础本文设计了一个具有端电压反馈转速偏差反馈双环非线性PID控制器

    Based on forenamed knowledge, the paper designs a double-loop NPID excitation controller, which has parallel feedback of voltage and error of rotate-speed.

    dict.cnki.net

  • 电压抑制了每个相对测量系统地线输入端电压允许波动范围

    The common-mode voltage range limits the allowable voltage swing on each input with respect to the measurement system ground.

    www.eefocus.com

  • 考虑感应电机定子绕组接线不对称情况推导出电机端电压约束条件

    The limit conditions for the end voltage of the induction machine are derived, according to the asymmetric condition of the machine stator winding.

    dict.cnki.net

  • 普通永磁同步发电机由于励磁不可调,端电压转速负载变化而变化,影响了供电品质

    The terminal voltage of a common permanent-magnet generator varies with its rotating speed and load due to its constant permanent-magnet flux, which resulting in unstable quality of power supply.

    dict.cnki.net

  • 提出一种晶闸管开关装置串联变压器改变电容端电压调节无功补偿方法

    This paper proposes a method for Var compensation by use a device of thyristor switch series transformer to change the capacitor voltage.

    dict.cnki.net

  • 控制器能实时测量蓄电池端电压蓄电池进行充放电保护

    The controller also measures the battery voltage, and achieves the battery charge and discharge protection.

    danci.911cha.com

  • 控制器根据环境温度蓄电池端电压选择适当充电方式蓄电池将充满时,控制器自动调整成为方式从而能有效地延长蓄电池寿命

    Based on environment temperature and battery terminal voltage, the controller can also adopt proper charge mode, such as overcharge and floating charge, to extend the battery life.

    dict.cnki.net

  • 提出一种基于端电压暂态信号变换高压输电线路快速保护算法

    A new high speed protection criterion for high voltage transmission line based on the wavelet transform of transient voltage signals from the two ends of the line is presented.

    dict.cnki.net

  • 系统每个串联单元直流电压电池组端电压基础进一步提高,并允许多组电池并联接入

    The DC voltage of each serial module can be boosted based on the battery output voltage and the parallel connection of battery groups is allowed.

    www.epae.cn

  • 研究得出,当磁芯中存在时,检测绕组输出端电压峰值直流线性关系

    Researches indicate that negative peak value of the output voltage of the testing winding is linear with the positive DC magnetic biasing potential;

    dict.cnki.net

  • 进行扫计算平面波入射角度变化只会对右端电压矩阵产生影响端阻抗矩阵不会发生变化

    When calculation of RCS is started by looping over angles, only the right voltage matrix is effected with the changes of the incidence wave. The left impedance matrix is not changed.

    211.103.157.156

  • 文章中首先分析了逆变器拓扑结构以及直流端电压不同情况下输出电平

    First, the topology of the inverter and different output voltage level numbers in the situation of different voltage value ratio of two DC power supplies are analyzed.

    lib.cqvip.com

  • 基于不同故障性质下断开端电压暂态特性差别,本文提出了新的算法区分故障性质

    Based on this different nature in recovery voltage, this paper presents a new algorithm to distinguish the properties of fault.

    www.fabiao.net

  • 结果表明:在充电过程电池端电压出现极大充电电流增大趋明显。

    The result indicated that the cell voltage showed a maximum value during charging, which would appear earlier with increasing the charge current.

    dict.cnki.net

  • ANN控制方法使发电机负荷变化、甩负荷运行、电网故障以及发电机故障各种工况条件下,发电机端电压保持稳定

    ANN control strategy can make the voltage of generators stable in the course of load changed, load uninstalled, electrical network fault and generator fault and so on.

    dict.cnki.net

  • 根据失磁过程机端电压特性励磁电压变化特性提出了一种综合较为完备计算机失磁保护方案

    According to the impedance characteristics of the generator and the characteristics of the change of excitation voltage, a relatively self - contained and integrated scheme is proposed.

    dict.cnki.net

  • 发电机负荷改变发电机端电压使远离发电机某一电气变电站高压母线电压稳定不变

    Varies the generator terminal voltage in accordance with its load to hold constant voltage at some point electrically remote from the generator, such as the station high voltage bus.

    tr.bab.la

  • 而对励磁电流检测则能够更好实现励磁电流实时控制提高端电压稳定

    Then, it can be better to control excitation current real-timely and raise the stability of generator voltage that excitation current is measured.

    dict.cnki.net

  • 根据三相异步电动机损耗节能原理研究异步电动机端电压负载大小之间关系电压负载转速要求制约

    According to wear and energy-saving principle of three-phase asynchronous motor, relations between pressure of motor and load are researched herein that is pressure is restrained by the load to rate.

    dict.cnki.net

  • 同时给出产生一组几何图案所对应电机各自转向端电压值。

    In addition, it gives by experiment, the respective rotational directions and voltages of the two motors, corresponding to different geometrical patterns.

    dict.cnki.net

  • 令发电机稳态运行所对应齐次方程行列式为零,并使发电机端电压值,计算不同运行状况下机电容值。

    By equating the determinant of the steady-state homogeneous equation to zero, the terminal capacitances for maintaining constant voltage are computed.

    dict.cnki.net

  • 介绍一种利用PWM电路补偿端电压之间关系设计差动电压放大器核心构成测量电路数字显示形式直接给出脉冲电源输出电压

    A duty ratio measuring circuit, which using differential voltage amplifier as core component, was designed utilizing the relationship between the duty ratio and the compensatory terminal of PWM IC.

    www.dictall.com

  • 分析了调制方式下绕组端电压波形,基于介绍了反电势检测转子位置原理

    Voltage waves are deduces on lower bridge arm PWM modulation and theory of rotor position detection based on EMF is introduced.

    www.boshuo.net

  • 电动机端电压调速通过改变电动机定子端电压来实现调速方法。

    Energy saving of a water injection system can be achieved by regulating the speed of the electromotor through changing the input voltage of the motor's stator.

    www.dictall.com

  • 假定一个12v系统中的所有部件完全确定,由于集成电路输入端电压VIN最高可以达到76v,因此两个电路负载抑制。

    Assuming a 12v system in which all the components are properly specified, these circuits can survive load dumps, thanks to the 76v absolute maximum rating for the IC's input-power terminal, VIN.

    www.dzqijian.com

  • 假定一个12v系统中的所有部件完全确定,由于集成电路输入端电压VIN最高可以达到76v,因此两个电路负载抑制。

    Assuming a 12v system in which all the components are properly specified, these circuits can survive load dumps, thanks to the 76v absolute maximum rating for the IC's input-power terminal, VIN.

    www.dzqijian.com

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