验证了非线性负载对中频电网的影响同时分析了旋转变频机组的滤波作用，为舰用中频电网的分析提供了有效的分析工具和试验参考。
The effect of nonlinear load and the filtering action of motor-generator is analyzed, and an effective analytic tools and test reference for ship medium frequency power system is supplied.
机组变频起动过程，实际上是电动机依靠定子和转子的电磁力矩作用的同步驱动过程。
The frequency changing start up process of generating unit actually is a synchronous driving process under the action of electromagnetic moment of the stator and rotor of motor.
利用变频调速技术节约电力，提高电网对机组的调峰能力，保证电网的安全稳定运行。
Apply frequency conversion technique to save energy, improve the shift peak load capacity of electric network for the units and ensure the safe and stability operation of network.
通过变频启动内燃机车柴油发电机组试验对该方案进行了应用研究。
Application study is made by starting with variant frequency the diesel engine set of diesel locomotive.
该文从节能角度阐述了老机组风机改造中应用变频调速技术的经济效益。
The paper, from the point of view of energy saving, explains the economic gain available by applying the frequency transformation speed regulation technique in renovation jobs of fans of old sets.
将变频凝结泵与汽动给水泵联合使用，降低了厂用电，提高了机组效率。
Combining the variable frequency condensing pumps with the turbine driven feed water pumps can reduce the auxiliary power consumption and improve the unit efficiency.
公司产品有冷藏保温车厢、制冷机组、壁挂式电动变频空调、顶置式直流电驱动空调等系列产品。
The company products are refrigerated and insulated compartments, refrigeration units, wall-mounted electric inverter air conditioning, overhead DC-driven air-conditioning, etc.
多联空调机组控制系统是将变频模块、变频压缩机和制冷系统有机集成一体的控制单元，其技术核心是变频控制模块。
The control system of multi-connected air-condition unit is the control unit which combines a variable frequency module, a variable frequency motor of compressor and a system of refrigeration.
对不同形式的高压变频技术特点进行了比较，总结了高压变频装置对机组稳定运行的影响及高压变频技术的发展趋势。
By comparing the characteristic of different technology, the influence on unit stable running by high voltage frequency conversion is summarized. Also the development tendency is predicted.
用于抽水蓄能机组起动的静止变频器，其整流逆变桥通常采用普通晶闸管。
The static frequency converter used in pumped storage units generally adopts common thyristor as the rectifying inverting bridge.
火力发电机组凝结泵变频改造是电力行业节能降耗的一个技术方向。
The condenser pump frequency conversion revolution of thermal Power generator Units is a technical direction for energy-saving of the power industry.
大容量水电机组宜采用交-交变频器。
Large content hydroelectricity set should use AC-AC frequency converter.
系统采用间接法进行恒张力控制，利用现代传动设备变频器和工业控制计算机组成电气恒张力控制系统。
The system mainly takes an indirect method to control the constant tension which consists of a modern transmission frequency transformer and an industrial control computer.
目前大型汽轮发电机组轴系扭振特性的现场试验中广泛采用稳态不对称短路变频激振法。
Presently, the method of steady state unbalanced currents is widely used in the field test of torsional vibration characteristics of large-scale steam turbine generator rotor system.
概述变频调速控制的基本原理，讨论变频器控制技术在高速卷烟机组供纸系统中的应用。
The basic principle of the paper feeding is introduced with inverter drive's control system.
特大型变频电机驱动离心式压缩机组的设计难度较大。
It is difficult to design especially large variable frequency motor-driven centrifugal compressor unit in long distant pipeline.
本文从变频器电动机组成的系统角度出发，研究逆变器开关方式与电机磁场的关系及SPWM调制下电动机磁场的生成特点。
The relations of SPWM inverter switching model and motor field, and motor field characteristics in this circumstance are re-searched.
对通用变频器和异步电动机组成的转速闭环变频调速系统，提出一种系统建模与调节器参数设计的方法，并给出了设计实例和实验结果。
The modeling and parameter designing system based on speed closed loop is discussed. The design example and the experimental result are also given.
本文建立了抽水蓄能机组静止变频器在电流、频率闭环控制下的数学模型。
In this paper, a mathematical model of static frequency converter starting with current and frequency closed-loop control for pumped storage units is established.
该机制冷采用进口机组，驱动采用变频电机，变频器进口。
The instrument is adopted imported machine. The drive system is also controlled by imported invert motor.
应用实例的运行情况表明，在火力发电厂中应用高压大容量变频器，可降低发电厂的厂用电率，提高机组的运行性能。
Practice shows that the application of medium voltage inverters in thermal power plants can reduce auxiliary power ratio and improve the performance of generating unit…
整套机组具有移动方便、自动化程度高、铁回收率高的特点，可以选配变频控制实现无级调节。
Set of unit has convenient to move, a high degree of automation, iron recovery high characteristic, can be selected frequency conversion control realize stepless speed regulation.
天荒坪抽水蓄能有限责任公司的静态变频器 （ SFC）主要用于将机组拖动至电动机方向的额定转速 ，从而使机组并网。
SFC is mainly used for turning the unit to rated speed in motor direction for parrelling of power grid.
性能优越，制冷系统采用进口压缩机组，驱动采用变频无刷电机，无碳粉污染；
Superior performance, adopting imported compressor refrigerate system, driven by frequency conversion motor, without carbon powder pollution;
介绍了变频离心式冷水机组节能的原理及适用条件。
Selection of high-efficiency centrifugal water chillers with systems approach;
介绍了变频离心式冷水机组节能的原理及适用条件。
Selection of high-efficiency centrifugal water chillers with systems approach;
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