In the application of above 24V fort current voltage grade control circuit, Voltage Alternating and resonant wave interference of input model for Programmable Logic Controllers must be resolved.
可编程控制器在高于24V的直流电压等级控制回路中应用时需解决输入模块的电压变换和谐波干扰等问题。
Three-phase half wave controlled rectifier, hysteresis comparison mode current track control, and realization of SVPWM by S-Function are used as examples to describe the usage of the software.
并以三相半波可控整流电路、滞环比较方式的电流跟踪控制、利用S函数实现空间矢量脉宽调制为例说明了软件的使用方法。
Compensatory current control adopts triangle wave compare control, and DC voltage control adopts PI closed loop control.
补偿电流跟踪控制选用三角波比较控制法,并采用带电压前馈控制的比例调节闭环控制。
The control strategy has been proved to be simple and effective by experiment results. The grid-connected current wave of the system is better.
实验结果表明,控制策略简单有效,系统的并网电流波形较好。
First, compare and analysis the grid inverter control strategy, using triangular wave comparison method of the current track approach as the subject control mode.
首先通过对并网逆变控制策略的对比与分析,采用三角波比较方式的电流跟踪方式作为课题的控制方式。
The dynamic positioning system is a closed loop control system which resists against the disturbance by wind, wave, and current with the help of thrusters on the vessel.
动力定位系统是一种闭环控制系统,采用推力器来提供抵抗风、浪、流等作用在船上的环境力,从而尽可能使船舶保持在海平面要求的位置上。
The Paper discusses the advantages of DSP used to control motor, the wave form of driving current, and the driving effect.
本文分析了使用DSP控制电机的优点,并给出了驱动电流波形,分析驱动效果。
High speed dual inverter to control the current wave form, very high arc stableability, high quality AC square wave, decrease the welding cost and increase the weld quality.
双重逆变高速控制电流波形,电弧稳定性极高,高品质矩形交流波,降低焊接成本,提高焊缝质量。
Thus, the AC motor control device can suppress generation of an offset current when performing the rectangular wave voltage control.
由此,在进行矩形波电压控制时能够抑制失调电流的产生。
With the complexity of the control of multiphase machines, a novel control method was proposed in this paper, namely six-phase motor trapezoidal wave phase current control.
针对多相电机控制模式复杂性的特点,提出一种新颖的控制方式:即六相感应电机梯形波相电流控制。
This dissertation mainly research solar power generation, using the measure of current pre-estimative arithmetic and voltage double-loop control to improve the wave of output current and voltage ;
本文主要针对太阳能光伏电池发电进行了研究,采用电流预估计算法和电流电压双环控制的方法提高逆变输出的电流电压波形;
A novel control method is proposed in this paper, namely six-phase motor trapezoidal wave phase current control.
针对多相电机控制模式复杂性的特点,本文提出一种新颖的控制方式:六相感应电机梯形波相电流控制。
The result indicates that the method of detecting current and the control manner of triangular wave comparison is adapted to the PQCs structure adopted in this paper.
对电流检测方法和三角波比较的控制方法的仿真分析表明这种电流检测方法和控制方法适合本文确定的电能质量控制器的结构。
This paper put forward the questions of original control system at electric locomotive, and discuss the principle a. nd the advantage about the control technology of direct current -chopped wave.
提出了焦炉电机车原控制系统所存在的问题,论述了直流波控制技术的工作原理及优越性。
This paper introduces a kind of current floating-board modulator for grid control traveling-wave tube transmitter, which can satisfy the requirement, discusses the design method.
介绍了一种能满足该要求的栅控行波管发射机通用浮动板调制器,阐述了其设计方法。
According to wave analysis and theoretical calculation of PWM inverter with delay-loop current tracing, this paper proposes a frequency control system with current tracing SPWM.
通过对滞环电流跟踪型pwm逆变器的波形分析和理论计算,提出一种固定开关频率型电流跟踪SPWM变频调速系统。
The main circuit is consisted of 18 thyristors circuit and protection circuit. With the help of control subsystem, it can get the output of low frequency voltage (current) with the shape of sine wave;
主回路采用由18个晶闸管组成的三相零式电路,并辅以晶闸管的保护电路,通过控制可以得到低频正弦波的电压(电流)输出;
Base on IGBT inverter for arc welding, a new current wave form control method is put forward in this paper which is special for process of short circuit transfer for CO2 arc welding.
本文针对IGBT弧焊逆变器,提出并实现了适于短路过渡CO_2气体保护焊的输出波形控制方法。
It works by the online type direct current chopped wave voltage stabilizing way and attains the voltage stabilizing precision by the control of PWM.
它采用在线式直流斩波稳压的形式工作,用PWM控制来达到所需的稳压精度。
Detecting back EMF is one of the most important methods for the detection of rotor position in square wave current drive BLDCM sensorless control.
方波电流驱动的BLDC电机无位置传感器控制检测转子位置的最重要方法是反电动势检测法。
Detecting back EMF is one of the most important methods for the detection of rotor position in square wave current drive BLDCM sensorless control.
方波电流驱动的BLDC电机无位置传感器控制检测转子位置的最重要方法是反电动势检测法。
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