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
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。
Result showed frequency conversion system application development prospects are very good and significant economic benefits.
结果表明变频调速系统具有很好的应用发展前景和可观的经济效益。
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