空压机在启动时，内部有少量的滞留气压，启动和加减速运行时要求变频器反应快速，因此，我们选用LG变频器。
Air compressor on start-up, internal have a small amount of stranded air pressure, start and deceleration requirement when inverter quick response, so, we choose LG inverter.
介绍了变频器在风机调速上的应用现状，使用变频器的四种目的。
Application of converter on fan adjustable speed and four purpose of using converter are introduced.
操作及安装时应注意不能有金属、水、油或其他异物，否则损坏变频器或造成变频器不能正常工作。
Installation and operation should avoid all chips, oil, water or other foreign materials that can get into the door-motor transducer.
给变频器的输入端送交流电，发现变频器的操作面板没有显示。
Give frequency converter input send ac inverter, found the operation panel not shown.
各层流风机均由变频器进行控制，并且一台变频器只控制一台风机，节省了能耗，保证了各区压力值的均衡性。
Each LF fan is controlled through transducer, and one transducer only controls one set of fan, which saves energy, guarantees proportionality of pressure in each area.
本文介绍了如何通过变频器的模拟量输出来测量变频器的输出功率，进而计算出变频电动机效率的方法。
This paper introduces how to measure output of the inverter by simulating quantity of it, and the method for calculating the efficiency of variable-frequency motor.
本文主要介绍了变频器在国产单双色单张纸平版印刷机改造中的应用，以及对变频器的一些功能的要求。
The paper introduces the application of inverter in the reform of homemade single - double-color singleton paper lithography machine, followed with some functional demands for inverter.
介绍了变频器在食品机械中的几种典型应用，指出变频器在现代食品工业中具有广泛的应用优势。
Several typical applications of transducer in food machinery are introduced. The broad application advantages of transducer in modern food industry are pointed out.
介绍了八缸纸机变频传动控制系统中变频器的选择方案以及速度链方案的选择，并以一个实际纸机为例，介绍了电动电位器速度链的系统设计及变频器参数设置。
The system design of speed chain based on electric potention meter and parameter setting of inverter are also presented with a actual paper machine as the example.
本文介绍了国外船用变频器的主要类型、结构、所用器件及控制技术，指出了船用中压大功率推进变频器的发展趋势。
In this paper the type, topology, devices and control of foreign Marine converters is introduced, the trends of the Marine middle voltage high power propelling converters is discussed.
本文就海洋石油平台上高压变频器应用作了简单的介绍，分析了海洋平台对高压变频器提出的特殊要求。
This paper briefly introduces an application of medium voltage inverter on oil platform, and analysis the special demand of oil platform to medium voltage inverter.
本文主要讲述康沃变频器在工业离心机上的应用及变频器制动单元在该设备上的使用。
This article introduces the application of CONVO inverter in the centrifugal equipment, also application the brake unit in this equipment.
比较晶体管变频器与电子管变频器的主要区别。
Main differences between transistor converters and vacuum tube converters are compared.
使用IPM代替传统变频器的功率级和厚膜驱动电路改造变频器，提出了使用智能功率模块应注意的几个问题。
The power lever and thick film driving circuit of traditional inverter were replaced by IPM to evloution inverter. Some problems in using IPM are proposed and solved.
利用USS协议实现PLC与变频器之间的通信可以弥补变频器硬件接口的不足，能够实现多级正反转调速。
USS protocol used for communication between PLC and inverter can compensate for the lack of hardware interface converter and could realize multi-level reversible speed.
在分析了其他变频器的局限性后，指出了双PW M变频器是交流励磁的最佳电源方案，详细地讨论了电压型双pw M变频器的工作原理与控制策略。
In this paper, a back-to-back PWM converter is considered as the optimum scheme of ac excitation power supply and its operation principle and control strategy are discussed in detail.
阐述了现代变频器对交流电机产生的各种不利影响及解决办法，为今后研究设计变频器电机系统时选择电机提供了依据。
Unfavorable influences of frequency converter on AC motor and methods of solving are described, providing basis for selecting motor for further development of frequency converter motor system.
结合西门子6se70系列变频器，给出了系统的网络结构及计算机与变频器之间的通讯协议。
Combining with SIEMENS 6se70 series inverter, gives out IFBCS network structure, and communication protocol between inverter and computer.
该变频器采用全数字控制，结构简单、控制灵活，为变频器产品的开发提出了一种全新的设计方法。
The inverter USES the full digital control method, so it is simple in construction, flexible in control. This paper presents a new design method of inverter product.
分析了变频器的两种主要制动方式，给出了变频器在矿井提升机应用中的选用原则。
The paper analyses the two main approaches for braking the transducer, offers its selection principle in mine hoist.
对多种起动方式进行比较，然后提出通过PROFIBUS—DP总线、PLC与多台变频器通信，由变频器起动大电机的控制策略。
After many ways of starting motors are compared, a conclusion is received that a transducer starts up the motor controlled by PLC through PROFIBUS-DP.
变频器现场运行情况表明，冶金行业采用国产高压变频器对高炉除尘风机进行调速节能，改造是成功的，节能效果是明显的。
The running result indicates that the adoption of high voltage inverter to Remove-Dust is successful and the effect of saving energy is distinct.
所有的SIMOTRASHD变频器都配有安装在变频器们上的PM U简单操作员控制面板。
All SIMOTRAS HD converters are equipped with a PMU simple operator panel mounted in the converter door.
本文设计的通用变频器为单相220V交-直-交电压源型变频器。
The general inverter designed in this dissertation is a 220v voltage type AC-DC-AC modal.
包括：高压变频器原理，高压变频器变频调速方案。
Including: principle of the high voltage inverter, frequency control scheme of high-voltage inverter.
通过触摸屏可以很好的控制变频器的运行状态和更改变频器的工作参数，并实时反映变频器的工作状态。
Through the touch screen can be well controlled inverter operation status, change operating parameters and reflect the working status of inverter in real time.
本文简要介绍了变频器在聚苯乙烯装置的应用，具体介绍了变频器在聚苯乙烯装置技术改造的作用及其应用效果。
The application of Inverter in polystyrene plant is introduced. The key role and the effect of Inverter in the technical innovation of the polystyrene plant are emphasized.
本文系统分析了船舶多电系统中变频器的优点，变频调速的工作原理、变频器的选型方法，船舶多电系统中变频器的节能。
This paper introduces the excellence of Marine Multi - Electrical System, working principle and selective type of transducer, Marine saving energy in Marine Multi - Electrical System.
本文系统分析了船舶多电系统中变频器的优点，变频调速的工作原理、变频器的选型方法，船舶多电系统中变频器的节能。
This paper introduces the excellence of Marine Multi - Electrical System, working principle and selective type of transducer, Marine saving energy in Marine Multi - Electrical System.
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