Variable frequency motor drive, soft start, soft stop, stable and reliable, small impact.
采用变频电机驱动，软启动，软停止，平稳可靠，冲击小。
This can offer certain reference to engineering design of low-voltage large-power variable-frequency motor.
这对低压大功率变频电机的工程设计具有一定的参考价值。
Common Three-coil Motor, Frequency Motor, Synchronal Perpetuation Magnetism Motor can be tested by this system.
该系统既可以对普通三相异步电机也可以对变频电机和同步永磁电机进行自动测试。
Brushless frequency motor which in great torque, free maintenance, no powder pollution, quick in speed up and down.
采用无刷直流变频电机，无粉尘，免维护，力矩大，升降速度快。
Brushless frequency motor which in great torque, free maintenance, no powder pollution, quick in speed up and down.
采用无碳刷大力矩变频电机，免维护，无粉尘污染，升降速快。
Brushless frequency motor which in great torque, free maintenance, no powder pollution, quick in speed up and down.
无碳刷大力矩变频电机，免维护，无粉尘污染，升降速快。
Application: Main shaft of airplane engine or machine tool, high frequency motor, air compressor, oil pump and so on.
应用领域：飞机发动机或车床主轴，高频发动机，空气压缩机，油泵等。
The two induction switches connected to the induction bar is connected with the controller of the variable-frequency motor.
与感应条相连接的两个感应开关与变频电机的控制器连接。
It is difficult to design especially large variable frequency motor-driven centrifugal compressor unit in long distant pipeline.
特大型变频电机驱动离心式压缩机组的设计难度较大。
Adopt high-frequency motor and inverter , it makes operation smooth and quiet. The RPM reach to 13500RPM. The noise is less than 60DB.
采用优质高频率电动机及无碳刷电极，无须维护，使运行安静而平稳，转速高达13500RPM，噪音小于60DB。
Brushless frequency motor for model DDL5M and Brushless DC motor for DDL5 which in great torque, free maintenance, no powder pollution, quick in speed up and down.
DDL5M采用无刷变频电机；ddl5采用无刷直流电机。无粉尘，免维护，力矩大，升降速度快。
This paper introduces how to measure output of the inverter by simulating quantity of it, and the method for calculating the efficiency of variable-frequency motor.
本文介绍了如何通过变频器的模拟量输出来测量变频器的输出功率，进而计算出变频电动机效率的方法。
In this system, the variable frequency motor is applied to meet the requirement of low speed to check the compositive error and high speed to measure the vibration.
针对检测综合误差和振动时对主轴转速的要求，采用变频电机来控制主轴转速，以满足系统对转速的要求。
Brushless frequency motor for model TGL16M and Brushless DC motor for TGL16 which in great torque, free maintenance, no powder pollution, quick in speed up and down.
TGL16 M采用无碳刷变频电机，TGL16采用无碳刷直流电机，免维护，大力矩，升降速快。
In this paper, firstly the mathematic model for variable frequency motor is developed, and harmonic wave is analyzed when variable frequency motor is fed by inversion.
本文首先建立变频电动机的数学模型，对逆变器供电时的谐波进行了分析。
Brushless frequency motor for model TDL5MC and brushless DC motor for model TDL5C which in great torque, free maintenance, no powder pollution, quick in speed up and down.
TDL5 MC采用无刷直流变频电机；tdl5c采用无刷直流电机，均免维护，无粉尘，力矩大，升降快。
At the same time using Holzer sensors will be converted into pulse frequency motor speed feedback to the MCU, realize the speed closed-loop control, to achieve speed detection.
同时利用霍尔传感器将电机速度转换成脉冲频率反馈到单片机中，实现转速闭环控制，达到转速检测目的。
This text is chiefly directed against the selection of variable frequency motor and inverter in the lathe numerical control rebuilding, and the lectotype of converter is analyzed.
本文主要针对车床数控化改造中变频电动机的选择、频器的选型进行分析。
The operating status of three-phase three-wire HAPF(Hybrid Active Power Filter) in harmonic suppression and reactive power compensation for variable-frequency motor are introduced.
介绍了三相三线制混合型有源电力滤波器在变频调速电动机谐波治理和无功补偿方面的运行情况。
An integrating device of variable frequency and speed-down is an important driving and control unit which combines a variable frequency module, a variable frequency motor and a retarder.
变频减速一体机是将变频模块、变频电机和减速机有机集成一体的重要传动控制单元。
The rolling transmission is driven by a vector frequency motor and floating roller system and PLC can automatically calculate the reel diameter, achieving the reeling tension conical control.
收卷传动采用矢量变频电机﹑浮动辊系统组成，并通过PLC自动计算卷径实现收卷张力锥度控制；
The control system of multi-connected air-condition unit is the control unit which combines a variable frequency module, a variable frequency motor of compressor and a system of refrigeration.
多联空调机组控制系统是将变频模块、变频压缩机和制冷系统有机集成一体的控制单元，其技术核心是变频控制模块。
Considering this, this paper presents a method by experiment which can measure performance curve of silicon steel sheet at different frequency as reference of designing variable frequency motor.
针对这种情况，本文提出一种实验的方法，测取不同频率下硅钢片的特性曲线，以供变频电机设计时参考。
Step motor control, by pulse by changing the order of electricity can change the motor rotation direction, change the pulse frequency can change the motor rotation speed.
步进电机受脉冲的控制，通过改变通电的顺序可改变电机的旋转方向，改变脉冲的频率可改变电机的旋转速度。
Servo motor has small start frequency, can quickly from the lowest revolution accelerated to the rated speed.
伺服电机有很小的启动频率，能很快从最低转速加速到额定转速。
This paper discusses a minimum of parameters to determine the trajectory of a circular interpolation method and the method of frequency control stepper motor.
文中讨论了一种以最少参数确定一条圆弧轨迹的插补方法和步进电机变频调速的方法。
Frequency converter drives motor to realize stable velocity change operating.
变频器驱动电机，实现调速运转稳定。
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 variable frequency AC controller mounts directly on the AC motor.
变频空调控制器直接安装在交流电机。
The variable frequency AC controller mounts directly on the AC motor.
变频空调控制器直接安装在交流电机。
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