shaft current

英 [ʃɑːft ˈkʌrənt] 美 [ʃæft ˈkɜːrənt]

网络  轴电流

电力



双语例句

  1. The position system by back bearings of main shaft is adopted to prevent vibration caused by splineensures current of main motor stableextends service life of rollersdies.
    采用主轴后轴承定位系统,避免主轴花键间隙造成晃动,制粒机主机电流平稳,延长压模压辊使用寿命。
  2. Discussion on Shaft Current On-line Monitoring of Hydro-generators
    水轮发电机轴电流在线监测方案探讨
  3. A composite sensor of shaft current and shaft magnetic flux belongs to checking technical field, and is used to solve the checking problems of shaft current of a motor.
    一种轴电流与轴磁通复合传感器,属检测技术领域,用于解决电机轴电流检测问题。
  4. The "noise" introduced due to inhomogeneity of magnetic and electric conductances at the rotating shaft surface when inductive and eddy current tranducers are used might be in a higher order comparing with the displacement signals;
    当使用电感式或电涡流式传感器时,由轴的旋转表面导电率和导磁率不均匀产生的噪声可能比位移信号大一个数量级;
  5. This paper investigates the mechanism and form of the common-mode voltage, shaft voltage and bearing current in different kinds of PWM control methods, and sets up a common-mode equivalent circuit for PWM inverter drive system. Consequently, the formula of the shaft voltage is obtained.
    研究了不同PWM控制方式下电机共模电压、轴电压和轴承电流的产生机理,建立了脉宽调制逆变器驱动系统共模回路的等效电路,并由此得到轴电压的计算公式。
  6. Suggestions on the public bidding of F-class single shaft combined cycle unit in the current natural gas-fired generation projects
    对天然气发电工程F级单轴联合循环机组招标的建议
  7. Based on the work principle of AC motor, the article analyzes the cause and phenomenon of alternating-current motor and puts forward the method of removing shaft current.
    根据交流电动机的工作原理,分析讨论其轴电流产生的原因和表象,提出了防止轴电流产生的方法。
  8. Failure Analysis of AC Motor Shaft Current
    交流电动机产生轴电流故障的分析
  9. During the measurement of shaft vibration displacements of a turbogenerator unit by the use of electric eddy current sensors of non contact displacement there exists a surface error component in the measured signals, which results from shaft fabrication errors and shaft surface defects.
    在利用电涡流非接触式位移传感器测量汽轮发电机组的轴振位移时,测得的信号中含有因轴加工误差和轴表面缺陷形成的表面误差成份。
  10. Using the theory of motor d-q shaft, this paper divides the stator current into exciting current component i_ ( sd) and torque component i_ ( sq).
    本文采用电机d-q轴理论,把定子电流分解成励磁电流分量i(sq)与转矩电流分量i(sq)。
  11. Analysis on The Influence of Shaft Current on Bearing of Variable-Frequency Motor
    浅析变频电机轴电流对电机轴承的影响
  12. A new kind of electrical erosion in rotating machinery: Shaft current
    旋转机械中一种新的电腐蚀机理&轴电流腐蚀
  13. Discussion on Shaft Current of AC Motor
    交流电动机轴电流的探讨
  14. Feed-Forward-Type active filter is proposed in this paper, which consists of a passive common-mode voltage detection network, a push-pull circuit, and a four-winding transformer to eliminate the negative effects of shaft voltage and bearing current in a PWM inverter drives.
    为抑制由PWM逆变器输出的共模电压而导致电机轴承的损坏,提出了前馈有源滤波器。滤波器包括无源共模电压检测网络,推挽电路以及四绕组共模变压器。
  15. Simulation analysis and experimental results confirm the validity of the proposed filter that the common-mode voltage at motor terminal is eliminated almost completely and shaft voltage and bearing current are unobvious. It can contribute to enhance bearing life and improve reliability of PWM drive systems.
    仿真和实验结果验证了该滤波器可以显著地抑制电机端共模电压,从而减小了变频器输出的负面影响如轴电压,轴承电流等,延长了轴承的寿命,提高了PWM驱动系统的可靠性。
  16. The shaft current protection of Pumped Storage Power Station
    抽水蓄能机组轴电流保护
  17. The article analyzed how to prevent from overload and reload phenomenon in a mine DC hoister in main shaft, put forward a new method of inspecting motors current parameter to estimate mine-ral quantity in container, and described how to realize the method in application system.
    通过对主井直流提升机系统如何防止出现过装重装问题的分析,提出了用监测提升电流判断箕斗有没有卸空的新方法,并阐述了该方法在实际系统中的实现。
  18. The paper describes the concrete countermeasure of each detailed item of electric design in their design and construction of the intelligence architecture and some problems that merit attention in establishing vertical shaft with light current.
    阐述智能建筑的电气设计及施工中各电气设计子项的具体解决方案,以及弱电竖井设置中要注意的一些问题。
  19. Bearing Damage Caused by Shaft Current of Electric Motor and Prevention Measures
    电动机轴电流引起的轴承烧损及防止措施
  20. This problem has been successfully solved by adopting method to cut off the path of shaft current, and preventive measures being further put forward.
    采取断开轴电流通路的方法,成功解决了这一问题,并提出了进一步的防范措施。
  21. 3-D numerical simulation of flow in shaft spillway with whirling current A tentative idea of dams with glory hole spillway
    竖井旋流式泄洪洞数值模拟坝身竖井族流泄洪消能的设想
  22. The authors analyse the mechanic characteristic of reciprocity between shaft lining of cutting double stress relief slot and surface soil by using the current structure analysis software ANSYS.
    利用ANSYS分析软件对开切双卸压槽井壁与表土共同作用的受力机理进行了分析。
  23. Therefore, the research on investigating the coupling capacitance parameters of the motor and analyzing characteristics of the shaft voltage and bearing current is very important to the safety and reliability of the whole system.
    因此,研究PWM变频供电电机拖动系统中电容耦合参数,分析轴电压、轴电流特性,对整个系统的安全性和可靠性具有重要的意义。
  24. Grouting is one of the most effective methods to prevent water leakage in shaft wall. However, the current grouting material and technology can not achieve the desired results for various reasons.
    注浆法是目前防治立井井壁渗漏水最有效的方法之一,然而目前的注浆材料和注浆工艺均因各种原因难以达到理想的效果。
  25. About the hardware design, the paper detailed the composition of the control system and the design of key modules ( such as man-machine interface module, the shaft location signal processing circuit, the current detection circuit, and fault protection circuit and so on).
    在硬件设计部分,本文详细介绍了控制系统的组成和关键模块(如人机接口模块、位置信号处理电路、电流检测电路、故障保护电路)的设计。
  26. Based on the wireless network Surface coal mine ventilation Wind shaft Monitoring System using wireless communication, can be the production of coal mining enterprises of the current monitoring and security management and other practical issues effectively.
    本课题是基于无线网络煤矿地面风井风量监控系统的研究。它采用了无线的通讯方式,可以对当前煤矿企业的生产监控和安全管理等实际问题进行有效的处理。
  27. The inverter generates high frequency common-model voltage, which leads to shaft voltage and bearing current and induces bearing failure. It affects the safety and reliability of the electrical drive system seriously.
    尤其在应用PWM变频器后,由于逆变器在电机定子绕组中产生高频的共模电压,使电机系统产生轴电压、轴电流,导致轴承被损坏,严重影响了电气拖动系统的安全性和可靠性。
  28. For the problems that appear when the fundamental wave model control strategy works in the low speed and zero speed, the fluctuating high frequency signal injection method is used to build the synchronous shaft high-pass filter, which can extract the fundamental current component from stator current.
    针对基波模型控制策略在低速和零速存在的问题,采用高频脉振信号注入法,并设计同步轴高通滤波器用于电流基波分量的提取。
  29. Due to the high switching frequency of the power devices such as IGBT, the traction motor which supplied by power converter produced the shaft voltage and shaft current, which exerted serious effect on the lifetime of motor bearings.
    由于IGBT等功率器件的使用,随着IGBT开关频率的快速增长,在变频驱动下所产生的轴电压、轴电流对电机轴承的寿命产生了不可忽视的影响。
  30. Cutting gear shaft of the current mode of production has been gradually replaced by precision forming process, and have achieved good results.
    当前的齿轮轴的生产方式已逐步由精密成形工艺取代切削加工,并取得了良好的效果。