The conditions of voltage between contactors and current in main circuit under different using types are analyzed in detail, then designed the control sequences with working mode AC1-AC4.
详细分析了交流接触器在不同使用条件下的闭合与分断时触点两端电压与回路电流情况,并研究了AC1~AC4工作制下的控制时序。
It is suitable for both current - and voltage-mode control methods.
它同时适用于电流和电压模式控制方法。
The control system utilizes a sliding mode observer for the generation of all controller feedback information by means of non-speed information, such as voltage, current and parameters of motor.
利用非速度信息,如:电机的电压、电流及电机本身参数,通过滑模观测器产生控制器所需的速度反馈信息。
Using computer control, man-machine dialogue mode, the completion of the power frequency voltage breakdown of insulation media, power frequency withstand voltage test.
采用计算机控制,过人机对话方式,完成对、绝缘介质的工频电压击穿,工频耐压试验。
The two parts both adopt double loop PWM control mode which consists of outer voltage loop and inner current loop.
该系统包含升压和逆变两个环节,均采用电压外环、电流内环的双环pwm控制方式。
Flywheel control system has two closed loops, the inner is voltage stabilization loop, other is current loop or is speed loop in different mode.
飞轮控制系统是个多回路系统,内回路为电压稳定回路,外回路在不同的工作模式下分别为电流回路和转速回路。
The adopted control mode of previous common frequency converter is usually of open loop constant voltage ratio, which its control curve is not stable.
早期通用变频器大多为开环恒压比的控制方式,控制曲线不稳定。
In view of local measurements on implication and control of UPFC, the control mode of reactive currents control and voltage injection should be used.
提出在基于本地测量参数的UPFC的应用级控制中采用“无功电流控制”和“电压注入控制”的模式。
MPS700 series dc voltage constant-current power supply, is designed by using linear series MOSFET control mode of the ac input dc output power.
MPS700系列直流稳压稳流电源,是采用MOSFE T线性串联调整方式设计的交流输入直流输出电源。
SR machines have a significant torque ripple, especially when operated in single-pulse voltage control mode.
SR机器有重大扭矩波纹,特别是当经营在唯一脉冲电压控制方式。
Second, the management of power output power can be carried out by PID control mode, which is based on the error of judgment and aims at control the chopper output voltage.
采用基于误差优先判断的PID控制方式来控制斩波器输出电压,从而实现电源输出功率的控制;
Control mode adopted voltage PWM, regulating open time to timing.
采用电压pwm的调速方式,通过调节pwm波的占空比实现调速。
According to the characteristic of the control loop, simple voltage control mode and basic PI compensation are employed to ensure the stability of the converter.
在电路设计上,根据环路传递函数的特征,利用简单的电压模式控制和基本的PI补偿器,保证了宽带环路控制的稳定性。
The control mode reduced the loss of network and gave attention to the quality of voltage at the same time.
其控制减少了网络损耗,同时也兼顾了电压的质量。
This paper introduces the electrical design for the high voltage motor to realize the running of the chipper, the relevant control logic and the control mode for realizing the control logic.
介绍了为实现削片机传动的运行所进行的提提要:高压电机的电气设计、控制逻辑以及实现这一控制逻辑所采取的控制方式。
Another kind of the voltage control mode, through the high and low voltage on motor speed control, motor feedback signal through the drive to the numerical control system feedback position control.
另一种采用电压控制方式,通过电压的高低进行电机的转速控制,电机的反馈信号通过驱动器反馈到数控系统进行位置控制。
The transfer function of the analog voltage regulator is converted into discrete time mode, so that the corresponding digital control algorithm can be obtained.
文中将模拟调压器的传递函数进行数字化,得到了可以应用于数字调压器的控制算法。
Three phase voltage PWM rectifier based on current variable-structure control is studied and mathematic mode of PWM rectifier is analyzed in this paper.
对三相电压型PWM整流器采用电流变结构控制进行了研究,分析了PWM整流器的数学模型,详细设计了电流变结构控制器,并对其稳定性进行了分析。
Studied the control algorithms in the mode of electromagnetic repulsion. Developed the anti-hysteresis method in voltage control and achieved good effect by using the method.
研究了电磁斥力驱动的控制算法与减小磁滞影响的“抗磁滞”驱动方法,获得了良好的驱动效果。
The chip is adopted current-mode control, so that either its response to the supply voltage or its transient response to load changes is fast.
该芯片采用电流模控制方式,因此对电源电压的响应和对负载变化的瞬态响应迅速。
Can be set for different battery voltage control or capacity control of the protected mode.
可设置不同的电池电压控制或保护模式下的控制模式。
This control scheme consists of a modified motor winding and a drive circuit, in which the voltage vector is utilised in a mode similar to that of an AC drive.
这种控制方案包含一个改进的电机线圈和一个简单的驱动电路,在驱动电路中电压矢量的应用形式和交流电机驱动系统类似。
Under the oxygen activation mode of pulse way, there are two ways to control neutron-emitting :1)neutron tube anode high voltage control, 2)neutron tubetarget voltage control.
在脉冲方式的氧活化工作模式下,控制中子发生器发射中子的方式有两种:控制中子管阳极高压或控制中子管靶压。
This PFC was realized by employing sliding-mode variable-structure inner current loop control and outer voltage loop PI control with digital low-pass filter to achieve high performance.
提出了采用滑模变结构电流内环与由PI调节器和数字低通滤波器组成的电压外环相结合的控制系统,以实现高性能高速度的功率因数校正。
Power electronic applications require the amplitude control of output voltage or output current, called Voltage-Mode control and Current-Mode control respectively.
功率电子应用需要输出电压或输出电流的幅值控制,分别称为电压型控制和电流型控制。
The front stage uses the single-voltage-mode control strategy and the back stage uses the three states discrete pulse modulation hysteresis current control strategy.
前级采用电压单环调制方式,后级采用三态滞环离散脉冲调制电流滞环跟踪控制技术。
The common mode voltage for the output of three-level inverter is analyzed. To diminish the harm caused by the common mode voltage, two control strategies of SPWM are adopted.
文章对三电平逆变器输出中的共模电压进行了分析,为了减小共模电压带来的危害,文中采用了两种SPWM控制策略即传统三电平SPWM控制策略和降低共模电压的三电平SPWM控制策略。
Pay - Direct - cycloconverter supply voltage AC motor in accordance with the different control methods are divided into voltage-and current-mode two.
交—直—交变频器按照交流电机电源电压的控制方法的不同,分为电压型和电流型两种。
The system bandwidth of conventional voltage-control-mode motor driver circuits is limited by the intrinsic frequency of the load, and its phase lag is also load-dependent.
传统电压控制模式的电机驱动电路系统频率都受电机的本征频率制约,其相位延迟会随负载的变化而变化。
The voltage converter works in PWM mode. Frequency-control speed regulation, DC voltage supply monitoring of the converter, synchronous motor power-angle close-loop control are combined.
控制策略为逆变器PWM调压、变频调速结合逆变器直流侧电压闭环、同步电动机功角闭环控制。
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