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- Cause Analysis and Solving Methods for the Reverse Rotating of Large Synchronous Machine at the Beginning of Variable Frequency Start 大型同步电机变频起动初期反转现象的原因分析及解决方法
- large synchronous machine 大型同步发电机
- In the gap magnetic field of pole changing synchronous machine,there would be large harmonics,which have some effects on the operating performance of the machine. 由于变极同步电机气隙磁场中将存在较大的谐波,这些磁场谐波对电机运行性能将产生一些影响。
- This paper resumptively introduces the gist of design of electromagnetism, structure and so on of the large synchronous motor driving mine winder. 概括了矿井提升同步电动机的电磁、结构等方面的设计要点。
- The proper thickness choice of non-magnetism bush is critical to the performance of IPM synchronous machine. 首先分析了切向结构永磁同步电机非导磁衬套厚度的影响因素,提出了磁钢厚度的约束条件。
- A cascaded slide mode control scheme is designed for permanent magnetic synchronous machine AC servo system. 针对永磁同步电机交流伺服系统,提出了串级滑模控制方案。
- A synchronous condenser is nothing more than a synchronous machine running at synchronous speed with no mechanical load. 同步调相机只不过是一种以同步转速运转的不带机械负荷的同步电机。
- Effect of damper windings and magnetic saturation of synchronous machine on LFO(Low-Frequency Oscillation) damping are studied with eigen analysis method. 采用特征值分析法研究同步发电机阻尼绕组以及磁路饱和对低频振荡阻尼的影响。
- Zhao Zhengming,Zheng Fengshi.Experimental verification and analysis for identified parameters of large synchronous generators[J].Journal of Tsinghua University,1998,38 (9):14-16 (in Chinese). [3]赵争鸣;郑逢时.;大型同步发电机参数在线辨识系统校验与分析[J]
- In order to analyze the impact of cycloconverter-fed synchronous machine running system on power quality,we have done some research to Chongqing Steel mill. 本文包括国内现行节能方法分析,节能方案提出,调速控制器-交交变频器软硬件设计以及整个控制系统仿真等部分。
- The structure characteristics and field-control principle of a novel asymmetrically stagger hybrid excitation synchronous machine (ASHESM) were introduced. 分析了新型非对称交错混合励磁同步电机的结构特征与工作原理。
- A novel interior permanent magnet hybrid excitation synchronous machine (IPM-HESM) is proposed, its configuration characteristic and operation principle are discussed. 提出一种新结构切向磁钢混合励磁同步电机,分析其结构特点和运行原理。
- Abstract: The structure characteristics and field control principle of a novel asymmetrically stagger hybrid excitation synchronous machine(ASHESM)were introduced. 摘 要: 分析了一种新型非对称交错混合励磁同步电机的结构特征与工作原理。
- In this paper, the method of calculating the saturated synchronous reactance by the finite element for the polyphase salient pole synchronous machine is presented. 本文阐述了采用有限元法计算多相凸极同步电机饱和同步电抗的方法,最后以一台十二相凸极同步发电机为例,用这种方法对饱和同步电抗进行了计算。
- This paper deals with oscillation of synchronous machine by modeling, explores the new scientific teaching methods, and heightens normal students ability of creation. 本文运用模型法对电机振荡问题进行研究,探求新的科学教学方法,努力提高师范生的开拓创新能力,在这方面我们作一些尝试,并取得初步满意的效果。
- He bit off a large piece of the apple. 他咬下一大块苹果。
- Guide for application and operation of turbine-type synchronous machines using hydrogen as a coolant. 氢冷式涡轮同步电机的使用与运行导则。
- In this paper,the process of synchronous machine de-excitation by method of FCB current and energy transferring is analyzed,the critical de-excitation condition for successful current transferring and the proper application of the condition are given. 本文对同步发电机磁场断路器移能换流灭磁过程进行了分析,给出了实现成功换流灭磁的临界条件及其正确运用形式。
- R. E. Dommel, and C. A. Nickle, “Synchronous Machines,” AIEE Trans, Vol.45, pp.912-942, 1926. 陈志炜,”应用遗传基因演算法则改善电力系统稳定度之研究,”淡江大学电机工程研究所硕士学位论文,1998。
- Large billboards have disfigured the scenery. 大型告示板已破坏了景色。