The armature current waveform of BLDCM were analyzed.
着重分析无刷直流电动机(BLDCM)电枢电流波形。
The fractal dimension of loss current waveform increases because of the growth of harmonics.
谐波分量的出现使损耗电流信号的分形维数增加。
A novel current regulator was used in the control system to improve the rotor current waveform.
该系统使用了一种新的电流控制器,以改善电机转子电流波形。
Experiment results prove such method can effectively improve output current waveform of inverter.
实验证明了该方法能有效地改善逆变器的输出电流波形。
It is proved by the compensated current waveform and speed waveform that the method is effective.
补偿后的电流波形和转速波形证明了该技术的有效性。
Through probing into the current waveform control of CO2 welding, one method of short transition is put forward.
通过对CO_2焊的电流波形控制方法探讨,提出了适合于CO_2焊接过程的短路阶段和燃弧阶段的控制策略。
The basic features of the coil current waveform of the circuit breaker are also obtained by theoretical analysis.
并通过理论分析得出了断路器分合闸线圈电流波形的基本特征。
Spot welding is greatly affected by the current, so the real-time display of current waveform in the welding is very necessary.
焊接电流对电阻点焊有着重要的影响,因此在点焊过程中实时显示焊接电流波形是十分必要的。
The influence of impulse current waveform on 50 Hz continuous current of switching type surge protective device(SPD) was studied.
研究了冲击电流波形对开关型电涌保护器(SPD)的工频续流的影响。
The current response speed is proved to be faster, and the grid-connected current waveform is sine and the power factor is unity.
获得了较快的电流响应速度,实现了并网电流的正弦化和单位功率因数。
Based on index number of power quality this system can supply foundation for the whole system action and improve current waveform.
该系统可以根据电能质量指数,为整体系统动作提供依据,改善电流波形。
The compensation method can effectively improve motor current waveform, the inverter's output performance can be greatly enhanced.
该补偿方法能有效改善电机导流波形,提高了逆变器的输出性能。
This welding technology is constituted by the combination of welding wire composition, the diameter of a wire, and current waveform.
本焊接技术由焊丝成分、焊丝直径和电流波形的组合构成。
The effects of parameters such as current density, current waveform and organic additives on grain size of deposition layer are described.
阐述了电流密度、电流波形、有机添加剂等工艺参数对沉积层晶粒尺寸的影响;
The results indicate that the dead time effect distorts inverter output voltage and current waveform and increases torque ripples of the motor.
结果表明,死区效应引起了逆变器输出电压波形畸变,引起了电机电流波形畸变和转矩脉动。
In the no-load test of transformer, because of the low power factor and non-sinusoid current waveform, the high precision measurement is difficult.
变压器的空载试验中,由于功率因数低,空载电流不是正弦信号,高精度测量其有功功率具有一定的难度。
CO2 welding inverter with waveform control was expounded, in which the current waveform control scheme and the structure of the system were introduced.
论述了一种电流波形控制的逆变co2焊接电源,包括电流波形控制方案、系统构成等。
As in case of drain-source voltage this method allows to associate the elements of the drain current waveform with its contribution to the whole spectrum.
就象漏源极电压的例子那样,用这种方法也可以找出漏极电流的哪一部分对电磁干扰频谱产生影响。
Because of the great influence of current waveform on micro-device quality, the effect of negative current on surface finishing was studied theoretically.
由于电流波形对微电铸器件的质量有很大影响,本文从理论上分析了负向脉冲电流对铸层均匀性的改善作用。
The module is compact, safe, and easy for operation. Theexperiment result shows that each load has the same current waveform and maximal value as the others.
该模块通过放电传输电缆为氙灯提供泵浦能量,结构紧凑、安全可靠、操作方便。
The status of realization of variable polarity current waveform, arc stability, cathodic cleaning mechanism and keyhole detection is introduced in this paper.
介绍了国内外在实现变极性电流波形、电弧稳定性、阴极清理机理、小孔信号检测等方面的研究现状。
The parameters of heating rate, energy, current waveform and time should be controlled precisely in order to insure the quality of minisize piece spot welding.
为了确保微型件点焊质量,往往需要对点焊过程的加热速度、能量、电流波形、时间等参数进行精密控制。
Computation of spark discharge radius, impulse grounding potential distribution, current waveform and impulse grounding resistance is conducted by using this model.
应用该模型进行了火花半径、接地体冲击地电位分布、电流波形及冲击接地电阻的计算。
The dissertation analyzes the fault model of CRDM, and the diagnosis strategy of CRDM fault is proposed based on the characteristics of the electric current waveform.
论文对驱动机构动作故障模式进行了分析,提出了基于电流波形特征分析的驱动机构故障诊断方法。
The digital comparator designed with FPGA generates several PWM current waveform synchronously, to realize the step angles even division control for four-phase stepping motor.
并通过FPGA设计的数字比较器,同步产生多路PWM电流波形,实现对四相步进电动机转角进行均匀细分控制。
The magnitude comparator designed with FPGA generates several PWM current waveform synchronously, to realize the step angles even division control for four-phase stepping motor.
并通过FPGA设计的数字比较器,同步产生多路PWM电流波形,实现对四相步进电动机转角进行均匀细分控制。
Through the experiments of the different current waveform, the results show that the current waveform control is an effective method to improve the quality of the weld formation.
通过对不同电流波形的实验研究,结果表明采用电流波形控制可以有效地改善焊缝成形。
Through the experiments of the different current waveform, the results show that the current waveform control is an effective method to improve the quality of the weld formation.
通过对不同电流波形的实验研究,结果表明采用电流波形控制可以有效地改善焊缝成形。
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