In a drive system of power transistor inverter-motor, not only can it be used in fine control of motor current waveform, phase, amplitude and frequency, but can also be used to sense, fault current.
在大功率晶体管逆变器——电动机驱动系统中，它不但可用来对电动机电流的波形、相位、幅值和频率进行精细控制，而且能快速地检测出故障电流。
The system adopted insulated gate bipolar transistor (IGBT) as its main circuit and pulse-width modulating (PWM) technology.
该系统采用IGBT（绝缘栅双极型晶体管）器件，PWM（脉宽调制）控制技术。
Hydrogenated silicon film attracts extensively attention due to its application on many kinds of microelectronic devices, such as infrared imaging system, solar cell and thin film transistor.
氢化硅薄膜由于在红外成像传感器、太阳能电池及薄膜晶体管等微电子器件中有着广泛应用前景而备受关注。
A power supply of continuous solid laser krypton lamp using a new touching off system and transistor constant current circuit is proposed.
介绍一种晶体管恒流全新触发连续固体激光器氪灯电源。
Upon the problems in excitation system of ball mill in FCMP production, an advanced transistor control module is adopted for the improvement of original excitation system.
针对钙镁磷肥生产中球磨机同步电机励磁系统存在的问题，利用先进的晶闸管控制单元，对原励磁柜励磁系统进行改造。
It drives the emitter of an external NPN transistor, and series with transformer to consist a flyback topology. The system is offline through the use of transformers and optocoupler transistor.
控制器驱动外部NPN晶体管的射极，并与变压器串联构成反激式拓扑，系统通过变压器和光耦实现离线式的要求。
This digital display meter may directly connect with a transistor- output PLC and display data of PLC system.
该数显仪表可以直接和晶体管输出型的各类PLC连接，实现PLC系统的数据显示功能。
This system can be also used for the automatic control of the electro plating and aluminum anodizing process and the DC characteristic measurement of some semiconductor transistor.
同时此系统也可以用于电镀，铝阳极氧化等电化学过程控制，以及晶体管直流特性测试等方面。
The paper expounds MOS system power element's characters, insulated gate bipolar transistor and integration type power element's technology and its applications.
本文阐述了MOS系列功率器件的特性、绝缘栅双极型晶体管和集成型功率器件技术，以及它们的应用。
In this paper, the construction and operating principle of the transistor speed regulation system with PWM are described. The basic design metho...
本文较系统地介绍了晶体管脉冲调宽调速系统的构成及工作原理，给出了基本的设计方法。
In this paper, the construction and operating principle of the transistor speed regulation system with PWM are described. T...
本文较系统地介绍了晶体管脉冲调宽调速系统的构成及工作原理，给出了基本的设计方法。
Applying automatic control principle to analyze dynamic operating modes of in - Phase Electromotor Transistor Excitation System, we have brought out relevant characters.
应用自动控制原理对同步电动机晶闸管励磁系统进行扰动后的动态分析，提出了相应的性能指标。
Model F2705 Data Processing System is a multifunctional system comprising mainly a 16-bit microcomputer with such auxiliaries as signal sampling set and A/D transistor.
F2705型数据处理系统是-多功能的16位微型处理机，并配有信号取样、A/D转换等辅助设备。
The unbiased Darlington transistor was utilized to avoid crossover distortion and to improve power output for homing transmitting system.
为了解决自导发射系统的交越失真及输出功率问题，采用无偏置型达林顿管替代；
The principle of PAM PWM compound control and the power transistor AC adjustable speed system based on that principle are presented in this paper.
本文介绍PAM、PWM复合控制原理和按此原理研制的大功率晶体管宽调速交流调速系统。
The principle of PAM PWM compound control and the power transistor AC adjustable speed system based on that principle are presented in this paper.
本文介绍PAM、PWM复合控制原理和按此原理研制的大功率晶体管宽调速交流调速系统。
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