采用单绕组变极方法实现速度变换。
Uses the simplex winding polarity reversal method to realize the speed transformation.
安装变极器，根据负载操作水泵运作。
这种新型的无刷双馈电机转子采用变极原理设计。
This new type of brushless double-feed machines rotor is designed by pole-changing method.
伟肯的同步平行变极器专利设备在设备间将环形电流最小化。
The Vacon-patented method of synchronizing parallel inverter (Active Front-End) units minimizes the circulating current between the units.
本文介绍了用单层绕组和换相法设计远极比变极电机的方法。
The paper presents a method to design wide-ratio pole-changing motor by using single-layer winding and phase changing.
电能是由铺设在屋顶并与变极器和直流电网相连的PV板提供。
The electricity is supplied by roof-mounted PV cells linked to an inverter and a DC net.
实践中的变极器控制涉及到三个方面：基频、振幅、谐波剖面。
Inverter control in practice concerns three aspects: fundamental frequency, amplitude, harmonic profile.
晶闸管可分为标准型(即慢相控制型)和快速转换电压反馈变极型。
Thyristors can be classified as standard, or slow phase-control-type and fast-switching, voltage-fed inverter-type.
本论文提出了一种反向法变极绕组的系统设计方法和最小对称槽号组的概念。
This paper proposes a systematic method in the design of pole-changing windings based on reversing coil techniques and the concept "the minimum symmetric coil groups".
首先叙述“安导元”整距变极的原理，然后给出了设计方法，并以8/2变极为例说明之。
The principle of the design method based on ampere-conductor-unit is described, then the method is given and also illustrated by 8/2 pole changing.
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。
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.
九江发电厂1号循泵变极改造后节能效果明显，对降低厂用电率、提高机组运行整体经济性的效果显著。
After retrofit of no. 1 circulating-water pump pole-change in Jiujiang power plant, energy saving effect is obvious, it can reduce service power rate and increase total economy of units operation.
XUL沿袭了HTML的极瘦客户机模式，但稍微让它变胖了一些。
XUL takes the very-thin-client model of HTML and thickens it up a bit.
成膜透明、光泽好、非常坚韧，耐磨耐刮擦性好，不回粘，而且有优秀的耐寒性，极优的耐光性和耐黄变。
The film is transparent, glossy, very flexible, abrasion-resisting and scratch-resisting, contains no after-tack, and is excellent in resisting cold, light and yellow stain.
变域变分是一种处理未知界面的独特工具，极适合于气动外形的设计求解。
The variable-domain variation is a specific tool of handling unknown boundaries and suitable for designing airfoil shape.
我们应当提出这样一个任务，变目前的加剧两极分化的全球化为双赢的全球化。
We must turn globalization that is currently aggravating polarization into one in which there is no loser.
本文通过变分途径建立了变形梯度张量的极分解和加法分解之间的联系。
Through a variational approach, the passage from the additive decomposition to polar decomposition of deformation gradient has been completed.
变温荧光光谱观察双分子膜中蒽醌生色基的荧光光谱强度和峰位极敏感地受到双分子膜物理状态变化的影响。
Both the fluorescence intensity and the peak location of anthraquinone chromophore are sensitively affected by the change in the bilayer physical state.
随灌水次数增加，各品质性状变劣，其中灌2水或灌4水使部分品质性状显著或极显著下降。
Grain quality significantly decreased with the increase of irrigation times from 2 to 4. Cultivars differed in quality response to irrigation.
本文为熔化极CO2保护的IGBT逆变半自动弧焊机电源研制了一套控制系统。
In this thesis, a set of control system is developed for IGBT inverter power supply of consumable-electrode CO2 shielded arc-welding machine.
频率响应也可以由低压微尺寸压控变容器或者变容二极管控制，并且可被例示为与天线模块共存的调谐的谐振匹配滤波器网络。
The frequency response may also be controlled by a low voltage micro sized varicap, or a varactor diode, and instantiated as a tuned, resonant matching filter network residing with the antenna module.
以赫芝偶极之电磁场合成任意长度偶极天线在球面上电磁功率密度流之时变玻因亭向量。
The near and far electromagnetic field are synthesized by summation of the electromagnetic field of short current segments or Hertz dipoles.
基于偶极—偶极电极装置的瞬变响应表达式，建立了双极源电场的等效偶极和三次插值的快速近似算法。
This paper deals with the algorithms of equivalent dipole approximation and cubic interpolation for the electric field component of ground electrical bipole source.
这些结果对四极阱参变激发的实验有较好的参考价值。
These results are valuable reference for the experiment of parametric excitation in a quadrupole trap.
成膜透明无色，优秀的耐寒性，极优的耐光性和耐刮性、耐黄变。
The film is transparent and colorless, and is excellent in resisting cold, resistance, light, scratch and yellow stain.
本文提出一种关于自由空间三维导电导磁体在谐变磁偶极场中电磁响应的数值计算方法。
This paper presents a digital method to calculate the EM response of a three-dimen-tional conducting permeable body which is subjected to an alternating magnetic dipole field in free space.
本文提出一种关于自由空间三维导电导磁体在谐变磁偶极场中电磁响应的数值计算方法。
This paper presents a digital method to calculate the EM response of a three-dimen-tional conducting permeable body which is subjected to an alternating magnetic dipole field in free space.
应用推荐