Therefor the paper is very useful for the design and constructing control system of alternating current excitation generators.
本文为交流励磁发电机的设计及其励磁控制的建立提供了理论依据。
Temperature distribution and its amplitude of the sensor under constant current excitation are simulated with finite element method.
用有限元方法模拟了恒流加热方式下气压对传感器温度分布和温度大小的影响。
The technique of induction motor vector control is a way to realize the decoupling control of stator current excitation and torque variable using coordinates transform.
异步电机矢量控制技术是通过坐标变换,实现对定子电流的励磁分量与转矩分量的解耦控制。
The technique of induction motor vector control is a way to realize the decoupling control of stator current excitation and torque variable through coordinates transform.
感应电动机矢量控制技术是通过坐标变换,实现对定子电流的励磁分量与转矩分量的解耦控制。
The excitation characteristic of secondary winding of current transformer is the key factor to transformer performance and the quality of secondary winding directly influences that of the quality.
电流互感器二次绕组的励磁特性是决定互感器性能的重要因素,二次绕组品质的好坏直接关系到成品的质量。
A mixing frequency excitation current source is designed according to the analysis of requirements of the bioelectric impedance measuring system.
通过分析生物阻抗测量系统的需求,设计了一种应用于生物阻抗测量的混频激励电流源。
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.
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。
The study shows that the third-harmonic flux with a certain value added to the fundamental flux can obviously reduce both core loss and excitation current.
文中认为当在变压器基波磁通中加入某一幅值的三次谐波磁通后,能显著地降低铁耗和励磁电流。
When measuring temperature using an RTD, the excitation current itself produces I 2r, or Joule heating, producing an indicated temperature somewhat higher than the temperature being measured.
当测量温度中使用电阻式温度检测器,励磁电流本身这个温度产生I2r,或焦耳热化,产生一个比指示温度稍微高一点的温度标准。
If the excitation current is too great, adopting DC machine excitation would require more collecting rings.
如果励磁电流太大,采用直流机励磁则会引起集电环的对数增多。
Two main problems in designing the main circuit of switching mode excitation controller are peek voltage and over current of switching device.
开关式励磁调节器主回路设计中需要考虑的两个主要问题是开关器件的尖峰电压和冲击电流。
Linear functions of the PI regulator output and the trigger Angle simplify the control program and make the excitation current follow the set current quickly.
通过建立PI输出和控制角的线性化函数,简化控制程序,使励磁电流快速跟踪给定电流。
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。
We find that for our toroidal current antenna, there may exist two ways of excitation, i. e. direct excitation and excitation through the electrostatic mode conversion process.
对纵环电流天线,可能存在静电模转换激发和直接激发这两种离子伯恩斯·坦波激发方式共存的情况。
An effective method for low perming error of fluxgates is to enlarge the peak value of the excitation current, but large amplitude excitation will increase the power consumption.
降低磁通门剩磁误差的有效方法是增大激励电流的峰值,但大的激励电流峰值将增大功耗。
The DSP realizes functions of sampling, PI regulation, communication and so on to digitally control the excitation current of arc-suppression coil with magnetic bias.
DSP主要完成采样、PI调节和通信等,实现偏磁式消弧线圈励磁电流的数字控制。
Benefiting from the absence of the exciting current and the excitation loss, the efficiency and the power density have increased.
又因无需励磁电流,省去了励磁损耗,提高了电机的效率和功率密度。
Then, it can be better to control excitation current real-timely and raise the stability of generator voltage that excitation current is measured.
而对励磁电流的检测则是能够更好的实现励磁电流的实时控制,提高机端电压的稳定。
This thesis uses the linearity relation of output torque and excitation current to control the tension.
本文利用磁粉制动器输出转矩与激磁电流成线性这一特性来实现对张力的恒值控制。
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 output current of the hybrid excitation claw-pole alternator is optimized in terms of different parameters of permanent magnets.
对混合励磁爪极发电机进行了优化,优化变量为永磁体的几何参数,目标函数是发电机的输出电流。
When there are bias excitation, controllable silicon failure, over current and other failures, KA5 gets absorbed and breaker loop trips by powered on so as for switching off main power supply.
KA5为跳闸报警继电器。当设备产生偏励磁、可控硅故障、过电流等故障时,KA5吸合,断路器分励线圈得电跳闸,切断主电源。
It is essential to distinguish excitation inrush from fault current in transformer differential protection.
变压器差动保护的关键问题是判别变压器差动电流是励磁涌流还是故障电流。
Meanwhile, a slight AC component was added to excitation current to decoupling speed estimation and rotor resistance.
同时,为了使转速估计和转子电阻的辨识解耦,在励磁电流处叠加了小幅交流分量。
The result show that the motor excitation current and torque current have been decoupled. The motor dynamic response fast, smooth operation, and has good steady-state performance.
试验结果表明,电动机的励磁电流和转矩电流解耦成功,电动机动态响应快,运行平稳、具有较好的稳态性能。
There are three usual methods for excitation control following constant excitation current, constant power factor, and constant setting open-loop control.
常用的励磁控制方法主要有三种:恒励磁电流、恒功率因数、恒给定开环控制。
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。
To fix a coil of excitation on the stator of alternating current permanent magnetic motor made up a kind of hybrid excitation motor.
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.
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。
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