大容量水电机组宜采用交-交变频器。
Large content hydroelectricity set should use AC-AC frequency converter.
双变量6脉波交-交变频器采用零式结构,由36只晶闸管组成。
Bivariate six-pulse AC-AC converter based on zero-structure, is composed of 36 SCR.
并详细介绍了一种基于数字信号处理器控制的交-交变频器装置。
A kind of cycloconverter based on DSP control is introduced in detail.
该技术具有较好的实用性并已经用于交-交变频器的显示系统中。
This technique is of highly practical value and has been applied to the AC-AC frequency conversion display system.
同时也提出将用于通用型直流电压源逆变器的PWM波生成方法,经过同步处理后,可以应用到该交-交变频器中。
Meanwhile, the PWM generated methods of a universal DC voltage source inverter are applied to the cycloconverter after the synchronous process.
系统采用无环流交-交变频控制方案、应用无速度传感器的矢量控制技术对拖动煤矿主扇风机的感应电动机进行控制。
The system is designed as circulation absent and A-A VF controlled one, in which a responsive motor driving the main ventilation fan is controlled in a vector control technology without speed sensor.
在分析了十二相交-交变频器的数学模型后,仿真得出了十二相交-交变频器的输出电压电流波形,并对其进行了谐波的分析。
After analyzed the math model of the multi-phase cycloconverter, the simulation wave of output voltage and output current was given and the harmonic was analyzed.
根据交—交变频器的控制特性,提出了较为新颖的计算机控制系统结构。
According to the control characters of a-a frequency converter, provide a new computer control system.
接着介绍了SPWM交—直—交变频的控制方案和选用IGBT电力模块的依据。
After control method of special electromagnetism parameter is proposed, we introduce the basis chosen of SPWM frequency conversion & IGBT power module.
利用HIOKI3164和TOPVIEW31分析软件,可对交-直-交变频器中电压、电流、功率、频率进行准确测量,不论它是不规则波形还是畸变波形。
In AC-DC-AC VVVF, We can accurately measure voltage, current, power and frequency with The HIOKI3164 and TOPVIEW31 analysis software, even if the wave is irregularities and distortion.
在数字式交鄄交变频器中,一般采用直线方程近似三角方程的方法实现余弦交点法求触发角。
An algorithm to realize the cosine wave-crossing method in digital cycloconverter is performed by using the linear equation to approximate trigonometric equation.
该变频调速系统主电路采用交-直-交形式,以(CPLD)作为调速系统逆变电路功率开关器件(IPM)的逻辑控制器件。
The AC-DCAC voltage source inverter composes the main circuit of this variable frequency system and CPLD is the logic control device of the power device (IPM).
变频调速系统主电路采用交-直-交形式,以可编程逻辑器件(CPLD)作为调速系统逆变电路功率开关器件IGBT的逻辑控制器件。
Alternating-direct-alternating circuit is adopted and CPLD is used as logic control device of power IGBT in main circuit of variance-frequency timing system.
本文介绍了8031单片微机对交-交选通有级变频调速器的控制。
The control of A-A on-off frequency conversion step speed regulator by adopting model 8031 single chip computer is described.
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。
Pay - Direct - cycloconverter supply voltage AC motor in accordance with the different control methods are divided into voltage-and current-mode two.
从其电路的结构上分为交—直—交和交—交变频器。
From the structure of the circuit is divided into cross - straight - to pay and pay - cycloconverter.
讨论了正弦波输出的交—交变频器触发角的控制方案,实现了双微机控制的交—交变频器的低频控制,给出了实际运行波形。
The triggering Angle modulation method of the sine-wave cyclo-converter is carried out, and the operating wave form of the designed system is put forward.
讨论了正弦波输出的交—交变频器触发角的控制方案,实现了双微机控制的交—交变频器的低频控制,给出了实际运行波形。
The triggering Angle modulation method of the sine-wave cyclo-converter is carried out, and the operating wave form of the designed system is put forward.
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