矿井提升机的变频调速改造方案设计与实现-机电之家网变频器技术网 关键字 提升机；变频；改造方案；设计实现 [gap=571]Keywords elevator；frequency conversion；reconstruct project；design execution
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frequency conversion变频；频率变换；频率转换；变频调速 digital conversion数转换；模数转换；模拟转换；数字转换 .
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raman frequency conversion 喇曼变频
frequency conversion effect 变频效应 ; 频率特性
Frequency Conversion Equipment 变频设备 ; 变频配置
quantum frequency conversion 量子频率变换
frequency-conversion circuit 频率变换电路
frequency conversion technology 变频技术 ; 变频调速技术
AC frequency conversion speed regulator 交流变频调速器
This thesis focuses on the difficulties of motor harmonics and heating in the frequency conversion timing process.
主要研究了变频调速过程中电机谐波和发热的难点问题。
参考来源 - 基于小波分析的优化PWM逆变系统控制The frequency conversion technique applied universally in the field of solid-state laser is studied: the second harmonic wave theory on the base of the coupled wave theory. The effect of phase-matching upon conversion efficiency is mainly analyzed.
本章还分析了固体激光领域普遍采用的频率变换技术：建立在耦合波理论上的二次谐波理论，重点分析了相位匹配对转换效率的影响。
参考来源 - 大功率全固态Nd:YVOWith the chip microprocessor and frequency convertor,introducing fuzzy control to frequency conversion,then the ventilator is controlled,and the CO concentration can keep in a allowable range.
通过单片机和变频器的结合,采用模糊控制下的变频技术控制通风机的运行,使停车场内CO浓度保持在允许范围之内。
参考来源 - 基于单片机的地下停车场变频通风控制系统·2,447,543篇论文数据，部分数据来源于NoteExpress
以上来源于: WordNet
IPM that has been widely used in the field of frequency conversion is one of the power integrate circuit.
变频产品中普遍使用的智能功率模块IPM是电力集成电路的一种。
Therefore, the reciprocating compressors system frequency conversion technology reform still have meaning.
因此，对往复式压缩机系统进行变频技术改造还是比较有意义。
Standard configuration is sidle frequency conversion motor drive & dec optional configuration is servo motor drive.
标准配置横行变频马达驱动，可选购横行伺服马达驱动。
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