The condenser has a control circuit that controls the field excitation to provide voltage control.
调相机带有控制其励磁磁场以提供电压控制的控制电路。
A control circuit for transition control in DC motor field excitation on large power shovel has been designed.
设计了大型挖掘机械直流电动机激磁电路的转换与控制电路。
This paper describes a method of applying the modern control theory to the investigation of the problem of optimal control of field excitation of synchronous machines.
本文运用现代控制理论研究了同步发电机的最佳励磁控制问题。
The effect on the generator excitation magnetic field is different when the capacity and power factor of load are different, and the effect on the internal impedance voltage drop is different, too.
而不同容量的负载，以及负载的不同功率因数，对同步发电机励磁磁场的作用是不同的，对同步发电机的内部阻抗压降的作用也是不一样的。
This thesis sets forth the merit and flaw of excitation system and other concerned problems of main loop, magnetizing field loop and de-excitation loop in detail.
本文详细阐述了这一励磁方式的优点和缺点，讨论了自并励励磁系统设计中主回路、起磁回路、灭磁回路的有关问题。
Magnetic vector potential is regarded as variables to gain solution of excitation magnetic field and armature response magnetic field.
以矢量磁位作为求解变量得到励磁磁场和电枢反应磁场的二维解。
Generator design considerations determine the field current, field voltage, and consequently, the power required for excitation.
发电机的设计要求决定了励磁电流、励磁电压，从而也决定了励磁所需的功率。
The configuration of double-pole induced-excitation with cross-connected rotor field coils can obviously increase the mmf transfer coefficient of DPIE synchronous generator.
转子绕组交叉连接倍极感应励磁新结构可显著提高倍极感应励磁同步发电机的磁势感应系数。
The outstanding advantages of DC machines arise from the wide variety of operating characteristics which can be obtained by selection of the method of excitation of the field windings.
直流电机的突出优点是通过选择磁场绕组不同的励磁方法，可以获得变化范围很大的运行特性。
Computations are performed for radiation field of inclined and horizontal four-element array with turnstile excitation, and some typical patterns are shown.
对倾斜的和水平的四元阵按相位旋转方式激励时的辐射场进行了计算、示出一些典型辐射图。
In this paper, a new configuration of double-pole induced excitation with mixed connected rotor winding is proposed, the analytic expression of field current is also derived.
提出一种转子绕组混联的倍极感应励磁新结构，导出了转子励磁电流的解析表达式。
The vector magnetic potential is regarded as a variable to gain the two-dimension solution of excitation magnetic field and armature response magnetic field.
并以矢量磁位作为求解变量得到励磁磁场和电枢反应磁场的二维解。
The behavior of oscillation chamber flow field is an important content of studying drilling hydraulic independent excitation oscillation.
振荡腔室内流场特性是研究钻井水力它激振荡的重要内容。
The simulations also show that the magnetic field from the excitation windings directly influences the field distribution at the end of the quadrupole magnet if the pole neck is too short.
短极颈四极磁铁励磁线圈本身的磁场直接影响四极磁铁极端面附近的磁场分布。
This novel design possesses the advantages of small excitation loss and effective field regulation, so the unique idea of this new configuration has applied and granted a patent.
该结构设计新颖、构思独特，励磁损耗低，调磁效果显著，具有创新性，已经申请了专利。
In the high tension field, the excitation and ionization of particles on the fuel drop surface only need the lower cylinder temperature to realize the better second atomization.
在高压电场中，燃油液滴表面的粒子得以激化和离子化，只需较低的汽缸温度，就可得到较好的二次雾化。
The damping force and the external electric field caused the kink soliton excitation in a hydrogen bonded chain with asymmetric double well potentials.
阻尼和外电场的作用使得带有非对称双阱势的氢键链存在扭结孤子激发。
The excitation system should provide the appropriate field current at all times so that it is reliable and requires little maintenance.
励磁系统在任何时候应能提供恰当的励磁电流，因此，励磁系统是可靠的和很少需要维修的。
This equipment adopts a thyristor excitation DC generator-motor set with a field weakening regulation device working in step with loading.
该设备采用可控硅励磁直流发电机——直流电动机系统，具有取决于负载的弱磁调节装置。因此操作起来极为方便。
A ferromagnetic shaft journal is suspended in a magnetic field which is excited by surrounding excitation coils.
铁磁性轴颈处在由激发线圈激发的磁场内。
Pole pieces, key parts on electrical motor, reduce the reluctance of the air-gap; improve the static magnetic field distributions and fix the excitation windings.
极靴是电机上的关键零件，其作用是使气隙磁阻减小，改善磁场分布，并使励磁绕组容易固定。
We point out that the equation can be approximated by a set of linear ones and the exciton polarization wave can be regarded as a Bose field only in the limit of low excitation.
我们指出只有在激发比较弱时，这组方程才可近似为一组线性方程，电子空穴极化波才可以看作玻色场。
With the bus fed static excitation system, based on field-test data and using frequency domain analysis, the hysteretic characteristics of excitation system wer.
以自并励励磁系统为例，根据实测数据利用频域分析，得到励磁系统滞后特性。
Under the excitation of an impulse, the radiation field has to be evaluated in terms of precise Fresnel-Kirchhoff formula; otherwise, some important transient features would be lost.
指出在瞬态信号激励下，必须用严格的夫累涅尔-基尔霍夫公式来计算辐射场，否则将丢失许多重要的瞬态特性。
This paper presented a theoretical investigation of the effects of the induced uniaxial anisotropy on excitation of magnetostatic forward volume waves under obliquely biased magnetic field.
研究了在倾斜磁场下感生单轴磁各向异性对静磁正向体波激发的影响，并考虑了易磁化轴垂直和平行于磁性薄膜两种情形。
Weak magnetic signal changes and metal magnetic memory effects of steel tensile samples under the excitation of geomagnetic field were studied.
研究地磁场环境中钢试件在动拉伸载荷作用下表面弱磁信号的变化以及磁记忆效应。
This means that the excitation of aurora during the main phase can not be attributed to the precipitation of electrons into atmosphere caused by the slow change of geomagnetic field.
因此，主相时所观测到的极光，并不是由于地磁场的平缓下降使小投掷角电子注入大气层而形成的。
At the first time a permanent excitation structure is used in the design of CPA. The inner magnetic field of CPA is simulated and fundamental dimension of permanent magnet material is optimized.
首次提出采用永磁励磁的转子结构，并对补偿电机内部磁场进行了仿真，对磁钢的尺寸进行了优化设计。
Conversely, applying excitation electric field, medium to generate mechanical deformation, called the inverse piezoelectric effect.
反之，施加激励电场，介质将产生机械变形，称逆压电效应。
The example of calculating the excitation field at no-load for a large turbogenerator shows that the advantages of arc elements are highly accurate and easy to use.
对大型汽轮发电机空载磁场的实例计算表明，圆弧边界单元具有剖分简单、精度高等优点。
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