得出裂相电路还可以全面改善负载功率因数的结论。
The conclusion that the splitting phase circuits can improve the power factor of the loads is demonstrated.
感性负载功率因数越低,铁芯变压器的外特性越下降吗?。
The Lower the External Characteristic of the Iron-core Transformer, the Lower the Power Factor of the Inductive Load?
永磁体分散性对空载电流、空载功率因数、负载功率因数和过载能力影响较大,而对额定运行时的效率、电流影响不大。
In addition, the dispersibility has great effects on the noload current and power factor while the effect on rated efficiency and rated current is little.
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.
同步电动机不但功率因数高,而且其转速与负载大小无关,只决定于电网频率。
Not only high power factor synchronous motor, and its speed is independent of the load, depends only on grid frequency.
给出了一种用串联电容来提高两组或多组相同感性负载并联电路功率因数的方法。
A new approach to enhance the power factor of two or more the same inductive loads in parallel is presented.
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.
讨论了串联电容法对多组感性负载并联电路总功率因数的影响。
The reaction to the total power factor of some the same inductive loads in parallel are presented.
APF能消除谐波,补偿少量的负载不平衡或由于TBC二进制条件而不能消除的功率因数。
The APF eliminates the harmonics and compensates the small amounts of load unbalances of power factor that the TBC cannot eliminate due to its binary condition.
该表达式与器件静特性、功率因数、调制度及负载电流有关,利用其计算不同载波调制下通态损耗时只需改动导通占空比。
The results clearly show conduction losses are the function of semiconductor static characteristic, power factor, modulation depth and load current.
航空同步发电机用零功率因数负载特性和空载特性所测得的波梯电抗数值比正常值大,致使在电机分析和计算中无法使用。
The value of Potier reactance of aircraft synchronous generator is larger than regular one in the tests of the inductance load and no load operating characteristics.
同时,构成电容性负载,使容性功率因数降至最小0.2以下,无谐波和电磁干扰,真正的绿色光源。
At the same time, constitute a capacitive load, so that capacitive power factor of 0.2 to a minimum the following, non-harmonic and electromagnetic interference, the true green light source.
仿真计算及实验结果表明该控制方案可以使异步电动机在不同的负载下均呈现出较高的效率,并且兼顾提高功率因数。
The approach, which takes the ratio of the stator voltage to current as the control criterion, improves the efficiency and power factor of asynchronous motors.
游梁式抽油机的负载特性以及井组平台的运行特性导致了油田配电网功率因数普遍偏低,增加了配电网的电压损失与有功损耗。
The power factor of distribution system is very low because of the beam pumping unit's load characteristics and oil well group platform's operating characteristics, increases voltage and power losses.
本文简述了三相异步电动机运行中的效率、功率因数、负载率和功率的关系及各种节电措施。
This paper explained in brief the relation of three-phase asynchronous motor among efficiency, power factor, load rate and power and every power saving measures.
配电变压器二次侧增设移相电容器进行集中补偿,提高了功率因数,增大了变压器的负载能力。
Distribution transformer adds power factor correction capacitor in the secondary side to collect compensate, so as to advance power factor and augment the load capacity of transformer.
该功率因数补偿器具有相负载分别补偿,补偿电容在电压过零时投切,各相功率因数和电流值分时显示等特点。
This compensator can compensate phase loads respectively and display all the phase power factors and current values in a time-split way.
为使系统的功率因数较高,采用电压源型负载串联谐振中频逆变器和频率跟踪技术。
In order to improve the power parameter further, the intermediate frequency inversion of an electric voltage power type series resonance and frequency trace technique are adopted.
基于单位功率因数控制策略的单相有源滤波,去掉非线性负载部分即为单相全控整流。
Based on the unity power factor control strategy of single-phase active power filter, remove the part of non-linear load is the single-phase full-controlled rectifier.
本文对适用于这样的负载的功率因数定义为等效功率因数。
In application to such load, a new nomenclature equivalent power factor is defined and discussed in this paper.
本文对适用于这样的负载的功率因数定义为等效功率因数。
In application to such load, a new nomenclature equivalent power factor is defined and discussed in this paper.
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