研制的玉米花粉电动采集器由变压器、整流滤波电路、轴流风机、蓄电池与采粉器组合而成。
Corn pollen electric collector consists of transformer, electric circuit of rectifier and filter, electric motor, battery and pollen trap.
基于强跟踪滤波理论，本文给出了一种变压器绕组故障实时检测与诊断的理论方法。
Based on the theory of strong tracking filters, an online fault diagnosis method for transformers is given by combining state estimation and parameter identification.
变换器高频软开关工作可减小变压器和滤波元件的尺寸和重量，改善电气性能，提高效率和可靠性。
High frequency and soft switching of converter can reduce the size and weight of transformer and filter, improve electric performance, increase efficiency and reliability.
针对高压交流配电系统，提出一种基于线性并联变压器谐波阻抗控制的并联型有源电力滤波器新原理。
On the basis of active power filter linear shunt transformer harmonic impedance control, a novel principle for high voltage alternate power distribution systems is proposed.
作者对在变压器中加三次谐波滤波器和三次谐波电源分别进行了实验研究。
Experimental study with third-harmonic filters as well as with third-harmonic power sources were conducted.
提出一种新型的基于变压器谐波电流补偿的高压大容量有源电力滤波器。
An active power filter based on harmonic current compensation of the transformer is proposed for high voltage large capacity application.
介绍一种采用低压电压型变频器、正弦波滤波器和变频升压变压器构成的低-高式中压变频控制系统。
A kind of medium voltage AC variable frequency control system, which consists of voltage source inverter, sinuous filter and stepup transformer with variable frequency, is introduced.
针对新型高压直流输电模拟系统12脉波整流器与逆变器产生的谐波，设计了基于新型换流变压器的无源滤波器系统。
In view of harmonic which generated from the new-type HVDC analog system 12-pulse wave rectifiers and the inverter, designed passive filters system based on the new-type converter transformer.
论文主要对带有降压变压器的晶闸管投切滤波器装置的设计算法进行了研究。
Study on the design algorithm of thyristor-switched filters with step-down transformers is emphasized in the paper.
本文分析了其工作原理，变压器变比的确定方法，滤波能力计算方法。
The working principle, the method to calculate the ratio of transformation and algorithm of filtering capacity are also studied in this paper.
主电路系统由输入整流滤波电路、前级逆变电路、高频变压器、整流滤波电路、后级逆变电路和输出电抗器组成。
The main circuit is made up of input rectifier & filter circuit, first inverter circuit, high-frequency transformer, second inverter circuit, rectifier & filter circuit and output reactor.
介绍了一种多级H桥并联变换器，通过一定的控制方式使每个H桥变压器副边产生的波形叠加成18阶梯波，经滤波后可得到比较标准的正弦波。
The paper introduces a multi-level H-bridge converter, which produces 18-step waveform according to required control method. The standard sine waveform can be gotten after passing through the filter.
开关电源变压器；滤波器；电感线圈；
Switching Power Supply Transformer; Filters; Inductance coils;
带电感变压器连接在脉宽调制电源逆变器输出端，北整合的电感与输出端的电容共同作为滤波器使用，修整输出电压的正弦波形。
The integrated inductance, in combination with the output capacitors, operates as a filter and restores the sinusoidal wave-shape of output voltage.
谐波治理主要有电网集中治理模式、特殊变压器就地治理模式、改变整流变压器接线、无源滤波装置就地治理模式及有源滤波装置就地治理模式，其中无源滤波模式较为成熟，值得推广。
These modes include centralized elimination, special transformer on the spot , passive filter on the spot and active filter on the spot. The passive filter mode is mature and deserves to popularize.
由于变压器和滤波电容(假定)足够大，因此当负载阻抗改变时供电电压几乎没有变化。
Depending upon the transformer and storage capacitor sizes in the power supply the output voltage will not vary significantly when the load impedance is changed.
这种有源电力滤波器的大容量通过变压器二次侧多绕组结构来实现。
To increase the capacity of the active power filter, a novel transformer structure with multiple compensation winding is proposed.
适当增大逆变器输出滤波电感，合理选择串联变压器原副方变比，或采用电压前馈控制技术为改善其滤波效果的三条有效措施。
Then, the filtering characteristic of the active power filter is analyzed. Three measures which can improve the filtering effect are gained: augmenting the filtering inductance properly;
适当增大逆变器输出滤波电感，合理选择串联变压器原副方变比，或采用电压前馈控制技术为改善其滤波效果的三条有效措施。
Then, the filtering characteristic of the active power filter is analyzed. Three measures which can improve the filtering effect are gained: augmenting the filtering inductance properly;
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