1) Inverter-fed motor
变频电机
1.
Research on electrical pulse endurance test system of magnet wire insulation for inverter-fed motors;
变频电机用漆包线绝缘耐脉冲电压强度测试装置的研制
2.
The type of quiescent VVVF inverter and design characteristic of inverter-fed motor is introduced.
简要介绍了静止式变压变频器的主要类型和以及之相应的变频电机设计特点。
3.
Experimental results indicate that, with the new material, the service life in inverter-fed motors is extended to 7 times in comparison with the ordinary insulation materials.
结果表明,纳米复合绝缘材料在变频电机中的使用寿命比普通绝缘材料提高7倍以上,且纳米颗粒分散工艺对材料性能影响较大。
2) Variable-frequency motor
变频电机
1.
Development of XLPE insulated cable for variable-frequency motor;
变频电机用交联聚乙烯绝缘电缆的发展
2.
This paper presents the development at home and abroad of the corona resistant winding wires used in variable-frequency motors in the background of the development of AC motors with speed regulation by frequency change.
本文以变频调速交流电机的发展为背景,综述了国内外变频电机用耐电晕绕组线发展概况,最后提出我国今后发展的几点建议。
3.
In this article,based on the cost and technical analysises of the common programs that are used to avoid the bearing current of variable-frequency motor and the corresponding solutions of the existed problems,a new type interlayer insulation bearing house that is not only safe reliable but also easy operation and low cost has been designed and used in practices.
通过对变频电机防止轴承电流的常用技术方案进行成本及技术分析,并根据存在问题,找出应对方案,设计出一种既安全可靠,又操作方便,成本低的新型夹层绝缘轴承室,并应用于实践。
3) variable frequency motor
变频电机
1.
As for absence of performance curve of silicon steel sheet supplied with variable frequency power, difference between design value and testing value of manufactured variable frequency motors is increased.
设计变频电机时 ,由于非工频电源供电时硅钢片的特性曲线未知 ,会使电机设计值与实验值之间出现误差。
2.
Combining spectrum characteristics of electromagnetic noise with NSYS analysis of stator core inherent vibration frequency,reason for high-frequency electromagnetic noise of variable frequency motor was analyzed,and a series of measures to improve were proposed.
采用分析电磁噪声的频谱特性与有限元法分析定子铁心固有振动频率相结合的方法,对变频电机产生高频电磁噪声的原因进行分析,并提出了一系列的改进措施。
3.
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。
4) inverter-fed motors
变频电机
1.
Electric aging mechanism of wire insulation in inverter-fed motors;
变频电机的匝间绝缘电老化机理
2.
In this paper, working conditions and failure mechanisms of insulating materials in inverter-fed motors were analysed.
分析了变频电机绝缘材料的工作环境和破坏机理,概述了耐电晕绝缘材料的研究及其在变频电机中的应用现状,讨论了我国在该领域存在的问题,提出了今后耐电晕绝缘材料的研究重点。
3.
It is one of the important ways to use corona-resistant material as insulating material of the wire for inverter-fed motors.
采用耐电晕材料作为变频电机的漆包线绝缘是延长变频电机使用寿命的重要途径之一。
5) inverter-fed traction motor
变频电机
1.
Contrast aging tests are carried out on twisted pairs simulating inter-turn insulation and insulation to ground of inverter-fed traction motor under AC and square wave pulse conditions.
笔者通过采用两种电压源对模拟变频电机匝间绝缘和对地绝缘的绞线对试样进行老化试验,测量了tanδ随老化时间的变化趋势,分析了电压形式对匝间绝缘和对地绝缘介质损耗产生和发展的作用机理。
2.
Contrast aging tests are carried out on twisted pairs simulating inter-turn insulation of inverter-fed traction motor under AC and square wave pulse conditions.
变频电机匝间绝缘承受来自逆变器的连续高压脉冲方波的作用,为探讨工频正弦电压作用下具有很大差异的老化机理,通过采用工频正弦和高压脉冲方波两种电压源对模拟变频电机匝间绝缘的绞线对试样进行了电热联合老化对比试验,测量损耗角正切tanδ随老化时间的变化趋势,并结合热刺激电流测量结果,分析了电压形式对匝间绝缘介质损耗产生和发展的作用机理。
3.
Partial discharge(PD)is one of the key factors in insulation failure of inverter-fed traction motor.
局部放电是导致变频电机绝缘失效的主要原因之一。
补充资料：电机
| 电机 electrical machine 实现机械能与电能之间的转换以及变换电能的机械。包括变压器和旋转电机两大类。前者是一种各部件间无相对运 动的电能变换装置，广泛应用于电能传输，电压、电流、阻抗的变换和电路隔离；后者则是机电能量转换装置，可用作电动机（把电能转变为机械能）或发电机（把机械能转变为电能）。有的电机还可用作调相机，以改善电网的功率因数。电机中还包括广泛应用于自动控制系统的微特电机。 基本原理 实现机电能量转换的基本原理是电动机定则和发电机定则。 ①电动机定则。又称左手定则。处于磁场中的载流导体，在磁场和电流的作用下产生机械力F，其值为 F＝Bil（牛顿） 说明：补充资料仅用于学习参考，请勿用于其它任何用途。
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