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。
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。
For quickly and accurately calculating no-load voltage waveform of harmonic excitation synchronous generators and common synchronous generators, a new method, named as tooth flux method, is proposed.
为了快速准确计算谐波励磁同步发电机和普通同步发电机的空载谐波电压,提出一种齿磁通法计算谐波电压。
A novel single-phase parallel active power filter based on the harmonic magnetic flux compensation theory is proposed.
提出一种基于谐波磁通补偿原理的单相并联型有源电力滤波器。
Using the periodic orbit theory, we computed the quantum level density of a particle in the two-dimensional harmonic oscillator potential with and without the magnetic flux line for different cases.
利用周期轨道理论,我们计算了在不同情况下,一个粒子在二维谐振子势中存在和不存在磁通量时的量子能级密度。
The principal pulsating torques arise from the interaction between the fundamental rotating flux and the harmonic rotor currents.
主要脉动转矩是由基波旋转磁通和谐波电流相互作用产生的。
Classical direct torque control method adopts the technique of 6 polygon flux linkage voltage modulation. It will generate torque pulsation and harmonic interference.
传统直接转矩控制技术采用的六边形磁链电压矢量调制方法,这会引起较大的转矩脉动和谐波干扰。
A principle of measuring harmonics directly according to the harmonic magnetic flux in the main core of the current transformer is proposed.
提出根据互感器主铁心谐波磁通直接测量电力系统谐波的方案。
A principle of measuring harmonics directly according to the harmonic magnetic flux in the main core of the current transformer is proposed.
提出根据互感器主铁心谐波磁通直接测量电力系统谐波的方案。
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