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。
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.
HSY作为电动机使用时，由于需要直流磁场，与普通pmsy的驱动单元相比，应额外增加一个励磁电路。
Since HSY requires dc magnetic field, an exciter with control circuitry is needed in addition to the conventional PMSY drive unit when employed as a motor.
同步调相机的响应速度受励磁磁场时间常数影响很大，时间常数一般为2—3秒。
The speed, of response of the synchronous condenser is greatly influenced by the effective time constant of the field, which is typically 2-3 seconds.
另外，用两极之间的电流表示励磁绕组磁动势，对应于各极之间磁场的大小和方向。
Also, MMF of the field winding is represented as electric currents in the gap between poles, with regard to magnitude and direction of magnetic field at respective poles.
利用转子磁场定向的矢量控制技术，实现了异步电机定子电流的转矩分量和励磁分量的解耦。
Then the components between torque and magnetic field of stator winding current are decoupled which uses the rotor-field-oriented technology.
磁场的强度可以通过调整气隙或者励磁线圈的参数而得到最佳。
The intensity of the magnetic can be strengthened through adjusting the air space and excitation coil parameter.
本文分析了空载水轮发电机磁场能量计算和空载误强励下，用线性电阻或非线性电阻灭磁时灭磁能容的计算。
The paper depicts the magnetic energy calculation for no load of hydrogenerator de excitation energy capacity calculation with linear and non linear resistor.
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。
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.
这是因为电励磁的同步电动机可通过调节励磁电流来改变其磁场和功率因数，使输出的机械特性与负载特性相匹配。
Synchronous motor excitated magnet by direct current can make output mechanism specialities matched load specialities by means of adjusting exciting current to change magnetic field and power factor.
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。
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.
得出了线圈型样品交流损耗与峰值磁场、励磁频率，材料扭矩，基体材料，细芯直径诸量间的依赖关系。
The dependence of the ac loss of coil-type samples on the peak value of magnetic field, magnetizing frequency, pitch of materials, matrix and diameter of filament were obtained.
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。
Magnetic vector potential is regarded as variables to gain solution of excitation magnetic field and armature response magnetic field.
永磁体产生的磁场是气隙磁场的主要部分，另一部分是由辅助励磁绕组的电流来激励产生，起调节磁场的作用。
The flux due to permanent magnet is the main part of gap flux, the rest flux is produced by the winding coil, which play a part of regulation.
本文对变压器节能提出了一个崭新的观点，即通过三次谐波磁场调制机理来降低变压器的铁耗和励磁电流。
A new method for reducing core loss and excitation current in transformers that utilizes the fundamental principles of third-harmonic flux modulation is proposed in this paper.
调相机带有控制其励磁磁场以提供电压控制的控制电路。
The condenser has a control circuit that controls the field excitation to provide voltage control.
其传感器是利用对磁场具有高灵敏度的钴基非晶态合金丝作为敏感材料，并采用单磁芯双绕组结构、多谐振荡桥励磁，它是一种体积小、性能高的新型磁场传感器。
Using single amorphous-core and double-winding as the sensitive element excited by multivibrator bridge, a kind of weak magnetic sensor with small size and high performance is developed.
开关磁阻电动机在两相励磁的工作条件下，定转子轭部磁场高度饱和使每相磁链有所减小。
When the switched reluctance motors operate in two phase excitation mode, the phase flux linkage will be reduced due to the high magnetic saturation in the stator and the rotor yoke.
该产品采用单式励磁技术，磁道较浅，吸吊薄板时磁场穿透现场相对较弱，可减少多张粘连的现场。
This product adopts the technology of single excitation, the magnet track is shallow, so the penetrating power of magnet is weak, it can avoid the conglutination of more sheets.
交流永磁电机在定子中加入励磁线圈，构成一种可调磁场的混合励磁电机。
To fix a coil of excitation on the stator of alternating current permanent magnetic motor made up a kind of hybrid excitation motor.
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。
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.
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 vector magnetic potential is regarded as a variable to gain the two-dimension solution of excitation magnetic field and armature response magnetic field.
在此基础上，对励磁系统加以改进，将电网电压及等效定子磁场电流的动态变化引入系统，在考虑电网波动情况下建立了风力发电励磁控制系统。
On the base of traditional vector control, the improving excitation system is established by importing the dynamic change in network voltage and state flux current.
在得到电励磁爪极发电机三维磁场的基础上，用能量摄动法计算绕组电感参数。
In addition, the inductances of the windings of the conventional claw-pole alternator are achieved.
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。
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.
为精确计算磁轴承性能，需考虑漏磁的影响，通过分析该磁轴承的二维磁场，分别计算出永磁磁场和电励磁磁场的漏磁系数。
To hence calculation precision, the leakage should be considered, and the leakage coefficients of permanent field and excited one are calculated separately by 2-d FEM of the magnetic bearing.
为精确计算磁轴承性能，需考虑漏磁的影响，通过分析该磁轴承的二维磁场，分别计算出永磁磁场和电励磁磁场的漏磁系数。
To hence calculation precision, the leakage should be considered, and the leakage coefficients of permanent field and excited one are calculated separately by 2-d FEM of the magnetic bearing.
应用推荐