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- Application of the Controlling Pole Change Speed Regulation System for a Programmable Controller 可编程序控制器控制变极调速系统的应用
- Application of Frequency Changed Speed Governing Technique to Vibration Feeder of Ship Unloader 变频调速技术在卸船机振动给料器上的应用
- The paper introduces the DSP control of brushless DC motor, and the principle, management as well as software correcting of CEMF pole changing. 本文介绍了无刷直流电机的DSP控制,详细介绍了在无刷直流电机控制中反电势检测换相的原理; 反电势、电流检测的管理;
- The shadow of the bamboo pole changes as the sun moves. 竹竿的影子便随着太阳的移动而变化。
- 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。
- Breed changes speed not only slow, and devoid innovation consciousness, this and our country " species resource big country " positional pole unworthily. 但长期以来,我国的花卉生产技术落后,花卉品种单一,更不重视地方特色物种资源的挖掘、保护、利用与改造。
- SIEMENS fully digital DC speed governing device has the characteristics consisted of single and expedient parameter installing and perfectivefunctions. 西门子数字式直流调速装置具有参数设置简便、功能完善等特点。
- Any driving action you take, whether it be changing speed or direction or stopping, must be carried out in a manner that does not put your passengers at risk. 因此,你采取的任何驾驶行动,不论是停车,或改变车速或方向,都要以不危害乘客的安全为原则。
- Based on analysis of the ampere conductor harmonics of pole changing windings and the adjusting wave with Fourier Transformation,a discussion has been done in the paper on the symmetry,M. M. F. 在用傅氏变换分析变前极绕组安导波及其调制波基础上 ,讨论了用逐相安导调制法得到的变后极绕组的对称性、磁势谐波含量、磁势主波旋转方向及变极方案择优等
- This paper presents the fundamental theories, regulating methods and practical results of theweak magnetism speed governing system of DC motor with back-potential ALU. 本文简要介绍了采用反电势运算器的直流它激电动机弱磁调速系统的基本原理，系统调试方法和实践结果。
- There is a speciality of the electric motor used in the printing machine.And the frequency conversion speed governing is rather idealized and widely used method. 印刷机中的电动机有其一定的特殊性,电动机的变频调速是较理想的和应用广泛的调速方法。
- According to the actual working condition of the electric motor on ground drive screw pump, two kinds of new motors are proposed, that is the gearshift multi-power single speed motor and speed regulating pole change motor. 摘要根据地面驱动螺杆泵电动机的实际工况，提出了分挡多功率单速和变极调速2种新的电动机设计方案。
- Control Circuit Design of AC Frequency Conversion Systems for Speed Governing[A]Proceedings of 4th International Symposium on Test and Measurement(Volume 2)[C], 2001 . 陈萌;叶桦;达飞鹏.;自动售货机主控制器及执行机构的设计与实现[A]第七届全国信息隐藏暨多媒体信息安全学术大会论文集[C];2007
- An introduction was made on the transformation of the speed governing system of industrial turbines imported by the Xinggang Power Plant of Shougang Iro n &Steel Co. 首钢新钢动力厂对多年前引进的工业汽轮机的调速系统进行了改造,解决了引进设备的老化问题和备件供应问题,并降低了机组能耗。
- The coal feeders of boilers of the thermal power plant used a slip speed governing motor to control coal feeding and there were many problems in application. 火力发电厂锅炉给粉机原采用滑差调速电动机对给粉实行控制,应用中存在很多问题。
- Winding head straightly and swinging work via mechanic united move, two workpieces wind wire simultaneously, changing speed via frequent conversion, gradually accelerating, decelerating slowly to stop. 采用机械联动使绕头作直线和摆头动作,二工位同步绕线、日本变频调速、缓升加速、缓降制动。
- reversing method of pole changing 反向法变极
- Makes use of the MCU to setup to each part of time,adopts openning circle and changing fre-quency of changing speed to control the Copper-Molding Mechanical,increases automation degree. 利用单片机对各段时间进行设置,采用开环变频调速控制铜材成型机,提高了自动化程度。实现了连铸工艺的优质、稳定和可靠运行。
- He flew to Europe via the North Pole. 他经由北极飞到欧洲。
- As compared with other qar-linkage pulsating stepless variable transmissions, DSV-400 has many advantages such as simple and compact structure, large load-bearing capacity, wide speed range and linearity of speed governing, small speed pulsating, etc. 和其它的连杆式脉动无级变速器相比,它具有结构简单、紧凑,承载能力大,调速范围大,调速线性好,输出速度脉动不均匀性小等优点。
