The technology of frequency conversion timing and soft start should be widely applied.

Frequency conversion soft start out to the impact of the power grid start, reduce the power distribution costs, safe and reliable in operation.

变频软启动淘汰启动时对电网的冲击，降低配电费用，使用安全可靠。

Study on the static frequency converter for gas turbine generator sets

燃气轮机发电机组静止变频启动装置研究

Based on the characteristics of FPC, two starting methods called serial rotor resistance start and frequency conversion start are selected and analyzed in details. Both of two methods adopt direct cut-in mode.

根据FPC自身的特性，选用了转子串电阻启动和直接变频启动这2种启动方法，并进行了详细的理论和数字仿真分析。

For saving costs, the paper made a detailed analysis of the principle of variable soft-start cycle, and proposed to control three pumps by one frequency converter. In order to manage a cycle frequency converter start.

为了节省成本，考虑到变频器的价格较贵，论文分析了循环变频软启动原理，采用一台变频器来控制三台水泵实现循环变频启动。

Design of Synchronous Motor with Brushless Excitation Soft Start System

无刷励磁同步机变频软启动系统研究

Considering the BEMF very little in the process of motor starting, the Back-EMF method is expired, combined with the rotor pre-setting method and the variable-frequency increase-voltage method, this paper realizes the open-loop start of motor using DSP.

针对电机起动时反电势比较小，很难通过反电势法来检测转子位置的情况，本文结合预定位法和变频升压的电机启动方式，利用DSP实现电机的开环软启动。

Start-up performance of the air conditioner is studied and its soft-start feature reduces the investment cost of inverter.

研究了变频空调的启动性能，其软启动的特点降低了逆变器的投资成本。

Study on frequency modulation starting and its features of Huizhou Natural Gas Turbine Combined-Cycle Power Plant

惠州天然气发电厂变频启动调速过程及特点

Unfortunately, the SFC provides output voltage and current wave forms of a poor quality and consequently low torque and efficiency due to using Silicon Control Rectifier ( SCR) for the converter design, which cannot meet the requirements of the relevant state standard.

而变频启动装置由于采用可控硅（SCR）整流再逆变原理，其输出电压电流波形差，致使输出效率低、力矩小；另外，谐波分量大，不能满足国家相关标准要求。

Study of Frequency-Variable Starting Process of Motor-Generator in Pump Storage Power Plant

抽水蓄能电站发电电动机变频启动过程的研究

Considering Some Problems of Inverter-fed Motor s Design

浅谈变频电机设计时需考虑的一些问题

Prevention of Bearing Current in Variable-Frequency Motor

变频电机轴电流的防止

A fault diagnosis method for variable frequency motor is presented, which is based on advanced MCSA and fuzzy inference.

提出一种基于改进的定子电流信号分析（MCSA）和模糊推理的变频电机转子故障诊断方法。

Evaluation of Aging Property of Nano-filled Insulation Resin Used for Inverter-fed Motor

变频电机用纳米复合绝缘薄膜老化性能的评估

This thesis lays a solid foundation for the research on damage mechanism of inter-turn insulation of inverter-fed motor under high voltage square wave pulse and corresponding protection countermeasures.

结合SEM图片分析了不同脉冲参数对局部放电的影响机理。论文工作为研究高压方波脉冲下变频电机匝间绝缘的破坏机理及寻求相应的防护对策打下了良好的基础。

The inorganic particles hybrid polyimide films are newly emerging advanced materials with excellent corona-resistant and have been widely used in frequency control motor.

无机粒子杂化聚酰亚胺（PI）薄膜具有优良的耐电晕特性，广泛应用在变频电机和变压器中。

Choose piezoelectric pressure sensor measuring cylinder gas pressure; choose the angle encoder to measure converter motor speed and crank angle; made K-type thermocouple measurements required temperature data. 4.

选用压电式压力传感器测量缸内气体压力；选用转角编码器测量变频电机转速与曲轴转角；制作了K型热电偶测量所需的温度数据。

Development of research on the insulation failure of PWM inverter-fed motor

PWM变频电机绝缘技术的研究进展

Discussion on Test Method on Ex Variable-frequency Motor

浅谈防爆变频电机的试验方法

The finite state machine controls the changed states of algorithms, the PWM circuit makes the controlled outputs of the states of algorithm.

即状态机控制算法中状态的转变，PWM电路产生状态的输出，该方法同样可以推广到其他变频电机控制算法。