电枢电流

系统以数字显示输出主电机实时转速和电枢电流值，显示准确、直观。

The Real-time rotational speed and the armature current of the main electromotor can be shown accurately and digitally .

以大功率GM系统为对象，提出了电枢电流模糊反馈和电机负荷均衡控制的问题。

The problem about the Fuzzy feedback of armature current and load balance control is studied , taking the G M high power system as the object .

着重分析无刷直流电动机（BLDCM）电枢电流波形。

The armature current waveform of BLDCM were analyzed .

给出了以保证电机电枢电流连续和实现开关损耗最低为目标的PWM开关频率的确定方法。

To ensure continuous current in the generator armature and minimize the switch loss in the IGBT , the determination method for the PWM frequency was given out .

对直流PWM功率放大器常用控制模式特性进行了分析，并对双极模式下电机电枢电流进行了定性分析。

The analysis of control mode character of direct current PWM amplifier and the qualitative analysis of electromotor armature current under bipolar mode can be obtained in the thesis .

本文建立了方波驱动无刷直流电动机的数学模型，根据所建立的模型，用龙格-库塔方法和编制FORTRAN语言程序，采用计算机对电机运行时的电枢电流、电磁力矩及转速进行数值计算。

It established mathematical model of brushless dc motor in square wave drive , by means of Runge-Kutta and FORTRAN program , according to the model with computor .

然后介绍了GEC柜改造的详细设计方案，提出了能量控制的方法，采用最小二乘法辨识出了电枢电流控制器的传递函数。

Secondly , it introduces the solution of the system improvement . An energy control method is proposed .

同步电机稳定极限对应于与V型曲线上稳定极限区相对应的励磁电流If和电枢电流IM，稳定极限的计算传统上有两种方法：电势向量图法和实测法。

Stability limit of synchronous electric machine matches with the exciting current If and armature current IM in the stability limit area of V-curve , traditionally , there are two methods to solute the stability limit : drawing potential vector and field exploring .

论述了FHD仿真的详细模型和准稳态模型，并对励磁、电枢电流限制器和综合负荷进行了建模。

Detailed and quasi steady-state models of FHD simulation are discussed , and over-excitation limiter , armature current limiter and synthetic load are modeled .

最后分析了双极PWM功率放大器的工作原理和电枢电流的大小和规律，探讨了PWM伺服系统中电机的微振特性，以及PWM延时死区对伺服系统低速性能的影响。

Finally , the work principle of PWM power amplifier and the magnitude of armature current are analyzed . The slight vibration prosperity of motor in DC PWM servo system , and the effect of dead-zone of PWM control signal on the low velocity properties are discussed .

稀土永磁同步电机的电枢电流分析

Analysis of Armature Current for Rare Earth Permanent Magnet Synchronous Machine

反电势对电枢电流的影响

Influences of Armature current due to Counter EMF Shanghai Rectifier Factory

在此基础上开发了一个由计算机控制的数据采集系统，并对电动汽车电机电枢电流、车轮速度以及车身速度等信号进行了实际采集。

Based on that , a data acquisition system controlled by computer is developed .

可控硅直流调速系统中的电枢电流自适应调节线路分析

Analysis of an Armature Current Self Adaptive Regulating Circuit in SCR DC Adjustable Speed System

纸机分部传动系统速差及电枢电流测量系统的研制

The development of speed-difference and armature current measuring system in paper-making machines ' sectional drive system

与峰值堵转转矩相应的电枢电流称为峰值堵转电流。

When motor running in blocked torque , the armature current is called peak torque current .

基于电枢电流模糊反馈原理的直流电机机组负荷均衡控制方法

The Load-balance Control Method for the DC-motor Unit Based on the Fuzzy Feedback of the Armature Current

同时介绍了在系统软硬件控制下利用探头触及料面时负载力矩减小引起的电枢电流变化反馈信号，实现粉尘类料位自动检测与显示的过程。

And the process of automated measure under control of the system software and hardware is introduced .

大多数普通的永磁式电动机能承受3～4倍额定值的电枢电流。

Most conventional permanent magnet motors can accept an armature current three or four times the rated current .

对航空直流起动发电机的电枢电流波形进行频谱分析可有效地对电机的故障进行检测和诊断。

Faults in aero starter generator by analyzing the spectrum of motor armature current could be effectively detected and diagnosed .

电路频率提高后，减小了电机电枢电流的断续，同时提高了效率。

After increasing the circuit frequency , the system reduces the discontinuity of armature current of motor and raises the efficiency .

通过控制电枢电流的升、降和主断路器的分、合完成机车自动过分相过程。

It is automatically passed neutral section through the control on up and down of armature current and the switch-on & off of main circuit breaker .

在电动机里电流是由外电源供给的感生电动势的方向和电枢电流I方向相反。

Years in the motor current is outside the power supply from the induced electromotive force and the direction of armature current I in opposite directions .

原因是直流电机电枢电流与磁场电流相互独立，在磁场恒定情况下，通过控制电枢电流可以方便控制电磁转矩，因此，直流调速具有优良的起制动和调速性能。

Since the torque and flux are independence each other , the torque of DC motor is easily controlled by adjusting armature current when the flux is constant .

侧重叙述了位置（功角）和速度的测量原理，电枢电流在测量绕组中产生的互感电动势的消除方法，以及试验结果分析。

The principle of measuring , the elimination of the mutual induced EMF induced by the measuring windings and analysis of experimental results are emphatically discussed . angle .

其人机操作界面包括转速波形的显示和存储、电枢电流监控、参数的设置、实验指导书和实验报告调用等功能。

The human-machine interfaces including speed waveform display and store , armature current monitoring , control parameter setting , experiment instruction and report generator are introduced in detail .

在原动机模拟部分，采用电枢电流负反馈加转速负反馈的方法对直流电动机的机械特性进行改造。

In the part of prime mover simulation , the technique of armature current feedback plus speed feedback is adopted to alter the mechanical character of the DC electromotor .

对不同频率时的激磁电流与电枢电流，磁通与变压器电势间的相位差和数值进行了理论计算。

The phase differences between excitation current and armature current , magentic flux and transformer potential and the amplitudes of all these variales have all been calculated at the two frequencies .

采用电流型两象限斩波器控制是稀土永磁无刷直流电动机减小电枢电流脉动的一个重要措施。

In order to decrease the current ripple of the rare earth permanent magnetic brushless DC motor , a two quadrant current chopper is used to control the voltage and current of the motor .

以控制系统的传递函数为基础，建立直流调速系统模型，研究了电压暂降幅值、持续时间对直流调速系统系统运行特性（转速特性、转矩特性、电枢电流）的影响。

Based on its transfer functions of control system , DC speed control system is established . The influence of the amplitude and duration of voltage sags on motor speed , torque and armature current is discussed then .