1) frequency conversion and speed regulating
调频变速
1.
The energysaving principle of frequency conversion and speed regulating in mine ventilator was described.
介绍了调频变速节能技术原理及其在矿山风机中的应用,利用负载转矩与转速的平方成正比,轴功率与转速的立方成正比的原理,对通风系统特性曲线和应用实例进行了分析,结果表明,矿山风机调频变速节能效果明显,具有很好的经济效益。
2) frequency control
变频调速
1.
Transform of frequency control of motor speed of a planer;
龙门刨床的变频调速改造
2.
Design and application of long-distance tape conveyor frequency control system;
长距离胶带输送机变频调速控制系统设计及应用
3.
The energy conservation technique transformation of compressor frequency control;
空压机变频调速节能技术改造
3) Variable frequency Speed regulation
变频调速
1.
Optimization of operation parameters of waterflooding system considering variable frequency speed regulation;
考虑变频调速的注水系统运行参数优化
2.
Application of variable frequency speed regulation technique in pump control system;
变频调速技术在水泵调节控制系统中的应用
3.
Master/follower control type variable frequency speed regulation system;
铸造起重机的主从控制变频调速系统
4) frequency conversion
变频调速
1.
The application of frequency conversion speed adjustment system and PLC in the gantry planer;
变频调速系统和PLC在龙门刨床上的应用
2.
Using Frequency Conversion Technology Reconstruct the Product Line that Producing Hydrogen Peroxide;
双氧水生产装置应用变频调速的节能改造技术
3.
Discussion on the frequency conversion and its correlative problems;
变频调速应用及其相关问题讨论
5) VVVF
变频调速
1.
Application of PROFIBUS Communication Protocol on VVVF System of Spinning Production Line;
PROFIBUS通讯协议在纺丝线变频调速系统上的应用
2.
Application of Multi-Motor Common DC bus VVVF system;
多电动机共用直流母线变频调速系统的应用
3.
Application of VVVF control technique for coal fired industrial boiler;
变频调速节能技术在工业锅炉燃烧过程中的应用分析
6) Frequency Conversion Timing
变频调速
1.
Design scheme of multilevel drawbench frequency conversion timing control system;
多级拉丝变频调速控制系统的设计方案
2.
Application of PLC in the Frequency Conversion Timing of Crane;
PLC在起重机变频调速控制中的应用
3.
By simple improvement of hardwire circuits,mutual switch between frequency conversion timing operation and Y/△ operation in the machine is conveniently and reliably realized,the failure time is reduced.
介绍了大型轴承双端面磨床差速磨削的电气改造方案,通过对硬件线路的简单改变,改造后的机床使用方便,可靠地实现变频调速运行与Y/△运行的相互转换,降低了故障停机时间。
补充资料：调频
载波的瞬时频率按调制信号的变化而变，但振幅不变的调制方式。载波经调频后成为调频波。用调频波传送信号可避免幅度干扰的影响而提高通信质量。广泛应用在通信、调频立体声广播和电视中。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条