1)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
英文短句/例句
1.The main machine that adopts frequency converter to regulate the speed.主机调速采用进口变频调速器调速。
2.Applied instances of transducer actiyator--reclaim of transducer in the system of electromagnetism变频调速的应用实例——电磁调速系统的变频改造
3.Frequency Control System of Slip-frequency phasor for AC Motor Speed control交流变频调速的滑差频率矢量变频控制系统
4.The Research on Variable Frequency Technology of VRV Air Conditioner Compressor Variable-speed System;VRV空调压缩机变频调速系统的研究
5.Operation and Diagnosis of Speed Controlled Supply Water System变频调速供水系统的运行调节与诊断
6.PWM Generator in Varying Frequency Driver Based on the Algorithm of Area Equivalent等面积PWH调制在变频调速系统的实现
7.Simulation for Three-lever Inverter of Variable-frequency Speed Governing System三电平逆变器变频调速系统的Matlab仿真
8.Constitute Multi-motor Frequency Speed Control System with Mitsubishi PLC and Its Frequency Inverter;用三菱PLC及其变频器构成多电机变频调速系统
9.Design of Frequency-converting Control System for PowerFlex70 Converter under the Network Environment网络环境下PowerFlex70变频器变频调速控制系统设计
10.AC Inveter System’s Design and Application变频调速系统的设计与应用第6讲 变频调速系统的通讯设计
11.The inverter speed regulation system on this machine makes it much easier to shift speed.设备采用变频调速使生产速度很容易调整。
12.It adopts speed-adjusted system through frequency conversion, which can realize non-pole speed adjustment.采用变频调速系统,可实现不停机无级调速。
13.FEASIBILITY STUDY OF A CHANGE FROM SLIP REGULATING SPEED TO FREQUENCY CONVERTED REGULATING SPEED关于滑差调速改变频调速的可行性研究
14.Practical Analysis of Replacing Speed Gearbox of Old Fashioned Steam Spinning Machine with Frequency Conversion Speed Regulator变频调速器替代气流纺纱机变速箱的实用分析
15.Simulation of Hysteresis-band Current PWM Adjustable Speed System电流滞环型PWM变频调速系统的仿真
16.The Application of Variable Frequency Speed Governing System in Disc Feeders变频调速系统在圆盘给料机上的应用
17.Asynchronous Motor's Varying Frequency Speed Regulation and Energy-saving Control;异步电机变频调速节能控制运行研究
18.Development and Application of Frequency Conversion and Velocity Modulated Equipment for Submersible Electrical Pump;潜油电泵变频调速设备的研制和应用
相关短句/例句
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
3)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
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)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。
6)speed control by frequency variation变频调速
1.Practical Design for Digital Teaching and Experiment Device of Speed Control by Frequency Variation;数字化变频调速教学实验装置的产品化设计
2.As one of the dominant means of electric power saving of motor consumption and motor speed control of today, speed control by frequency variation is widely used in a variety of large-scale automation production process.作为当今世界节约电机耗能和控制电机转速的一种主要手段,变频调速技术被广泛应用于各种大型自动化生产过程中。
3.Comparing the step-speed regulation of the DC motor to speed control by frequency variation of AC motor,the precedence of speed control by frequency variation is present clearly in this paper,including AC motor used in Ex construction field.通过将直流电机的有级调速与交流电机的变频调速主要性能相比较,阐述了变频调速及交流电机在防爆施工环境中使用的优越性。
延伸阅读
发电厂给煤机变频调速系统发电厂给煤机是电厂制粉系统中重要组成部分,是电厂重要的辅助动力设备,其主要任务是为制粉系统磨煤机提供原料。
制粉系统工艺流程图
系统功能框图根据给煤机稳定运行的重要性,采用冗余控制系统。
变频调速系统电气回路图电气回路由空气开关、接触器、中间继电器、电流互感器、端子排、电缆等组成。变频器用双回路电源供电,当一路电源工作,则另一路电源作备用电源处于热备用状态,当工作电源失电或发生故障时,自动投入备用电源。优点:实现软启动,启动电流小且平稳,减少对电网和设备的冲击。能连续无级调节给煤机的速度。给煤机长期运行在30Hz,节约能源。具有多种保护功能,易于维护、维修,符合工厂自动化发展趋势。
