Study on low-frequency inverter technology possess important scientific significance.
对低频逆变技术的研究具有重要的科学意义。
The result shows that the mid-voltage variable frequency inverter can run safely and stably.
实验结果表明，该中压变频器能够安全、稳定地运行。
Dual frequency inverter controlled, provides respective movement coordination for the arm and ladle.
双变频器，手臂运作和杓子运作可巧妙配合。
Check the main loop and measurement frequency inverter modules and rectifying module properties is good.
先检查变频器的主回路，测量整流模块和逆变模块特性良好。
Inductive motor mathematics model suitable for high switching frequency inverter drive is described in this paper.
主要研究适用于高开关频率变频器驱动的感应电动机数学模型。
The high frequency inverter used here can achieve zero voltage soft switching (ZVS) and wide power regulation range.
这种高频电源较好地实现了开关管的零电压（ZVS）软化，得到了较宽的调功范围。
Apply high frequency inverter technology, feature optimized design, light power supply, high effect and energy saving.
采用高频逆变技术，优化设计，电源轻便，高效节能。
Then introduced the connections of the recycling nitrogen pressure controlled process and PID controller and frequency inverter .
然后介绍回收氮气压力的控制过程及PID控制器与变频器的联接方式。
Non brake motor design, the brake motion is controlled by means of frequency inverter and rectifier, to provide smooth and stable braking performance.
马达无煞车设计，利用变频器和整流器表现煞车功能，动作自然平稳。
The paper establish main circuit which use AC-DC-AC inverter. To TMS320LF2407A as the core of control circuit, low-frequency inverter technology has been studied.
本文建立以“交-直-交”逆变桥为主电路，控制电路以TMS320LF2407A为核心，对低频逆变技术进行研究。
A variable frequency inverter with a RS-485bus communication interface is designed. It has the advantages of simple hardware interface and high reliability of communication.
设计了一种带有RS- 485接口的交流变频控制器，它硬件接口简单，通讯可靠性高。
In this paper, double-frequency inverter was used in induction motor drive, and the next control means were adopted: one-cycle control, hysteresis control and vector control.
将双频逆变器用于感应电动机调速系统中，采用单周控制、滞环控制、矢量控制等控制方法。
For avoiding the math models of three-phase AC electromotor and frequency inverter, adopt the simple similarity of ascending curve method to ensure the math models of every loop.
为避开三相交流异步电动机和变频器的数学模型，利用飞升曲线法简单近似确定各环节的数学模型。
Main transmission device: the main transmission device adopts electrician frequency inverter of Shenzhen Henchman to control the vector motor, transferring each group of printing cylinders.
主传动机构：主传动采用深圳汇川变频器控制电机，传动每组印版。
This paper I use TI's DSP chip design TMS320LF2407A type, a frequency inverter, I realized the main circuit power supply digital control, and improved output voltage accuracy and stability.
本文采用TI公司的TMS320 LF 2407a型DSP芯片设计了一种中频逆变电源，对电源主电路实现了全数字控制，提高了输出电压的精度和稳定度。
This paper introduces the application of the programmable controller, the direct current velocity modulation system, the frequency inverter and the electronic CAM switch in chamfering machine.
介绍可编程控制器、直流调速系统、变频器、电子凸轮开关在倒棱机中的应用。
The principle and functions of COMBIVERT frequency inverter slip compensation character, and the setting method and testing procedure of slip compensation character parameters are also summarized.
介绍了COMBIVERT型变频器滑差补偿特性的工作原理和功能，总结了滑差补偿特性参数的设置、调试的方法和步骤。
Direct drive - the choice for longer tracks and sophisticated tasks. This system comes with PLC controller and frequency inverter; it gets the power from conductors or on request via conductor chain.
直接传动-长轨道、高要求应用、系统由PLC和变频器组成，传动力来源于内部发生器或发生链。
Integrating application and research technology of DCS and frequency inverter, realize switchover without interference between control valve and frequency-inverter motor in producing process control.
经过DCS与变频控制技术的结合应用与研究，实现了生产过程控制中调频电机与调节阀的无扰动切换。
Third: Inverter-based welders let operators adjust the welding output frequency, from 20 to 250 Hz in the case of the Dynasty.
第三：逆变型焊接焊工让操作调节输出频率，从20到250赫兹的情况王朝。
High inverter frequency, obviously improved the efficiency of the machine. high energy saving ability.
逆变频率高，明显提高了整机效率，节能效果显著。
Through choosing suitable frequency of inverter, switching losses of domestic IGBT modules are reduced.
选择了合适的逆变频率，降低IGBT模块的开关损耗。
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 DC into AC current adjustable frequency that the inverter on.
将直流变为频率可调的交流电流就称逆变。
The experiment results show the inverter has good work capability, obvious effect of energy saving and steady work of frequency conversion.
实验结果表明该变频器工作性能良好、节能效果明显、变频工作稳定。
Represents a general changer. Frequency changer or pulse inverter can be specified.
表示常规变换器。可指定变频器或脉冲反相器。
According to the high frequency noise of inverter output frequency display signal, the noise absorbing circuit is designed, the measures of reducing noise are presented.
针对变频器输出频率显示信号中的高频噪声，设计了相应的噪声消除电路，给出了进一步提高系统抗干扰能力的措施。
The system may measure many circuits high - frequency alternating current , direct current , frequency, efficiency of inverter .
系统测试项目有多路高频交流电流，直流电流，频率，逆变器的效率等。
The system may measure many circuits high - frequency alternating current , direct current , frequency, efficiency of inverter .
系统测试项目有多路高频交流电流，直流电流，频率，逆变器的效率等。
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