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Study on PFC(Power Factor Correction) Eliminating Their Own Harmonics in the Distributin Power System

分布式电源系统PFC(功率因数校正)消除自身谐波的研究

基本信息

批准号：
18560290
负责人：
MATSUI Keiju
金额：
$ 2.39万
依托单位：
Chubu University
依托单位国家：
日本
项目类别：
Grant-in-Aid for Scientific Research (C)
财政年份：
2006
资助国家：
日本
起止时间：
2006 至 2007
项目状态：
已结题

来源：
https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-18560290/
关键词：
High voltage Harmonics Sinusoidal wave LC resonance Commertial frequency Power factor correction Three phase rectifier Single phase rectifier 非線形半導体回路アクティブフィルタ電力変換回路 PFC 高力率回路配電系統 JIS規格

项目摘要

Various non-linear semiconductor circuits are used in consumer electronics and industrial electronics. They almost all have rectifier circuits. It is well known that such rectifier circuits generate various harmonics in the power system. Hence, with the spread of applications incorporating such rectifiers, the occurrence of harmonics in the power system is likely to increase. Because of this phenomenon, various power factor correction circuits have been proposed and studied for single-phase and three-phase rectifiers. These methods use switching devices to try to modify the input current to a sinusoidal waveform. However these methods can have an adverse effect on the cost performance. From this point of view, it is appropriate to study harmonic reduction methods that work without the use of switching devices. Various PFC circuit to reduce such harmonics have been studied in this research. We have proposed some novel rectifier circuits. These circuits can achieve power factor correction without the use of switching devices. Since switching devices such as power transistors are not used, switching losses and switching noise, such as EMI, are not generated. Because the control circuit for the switching device is also unnecessary, the system cost is reduced. Various PFC circuits without switching devices have been proposed by many authors. Without switching devices, however, it is a little difficult to obtain voltages less than the input supply voltage without a transformer or switching operations. In the case of transformers, the problem of weight and size is serious. With this background, this research also discussed and proposed novel PFC circuits to generate corresponding DC voltages using very simple ways.

各种非线性半导体电路用于消费电子产品和工业电子产品。它们几乎都有整流电路。众所周知，这种整流电路在电力系统中产生各种各样的谐波。因此，随着采用这种整流器的应用的普及，电力系统中谐波的发生可能会增加。由于这种现象，各种功率因数校正电路被提出并研究用于单相和三相整流器。这些方法使用开关器件试图将输入电流修改为正弦波形。然而，这些方法可能会对成本性能产生不利影响。从这个角度来看，研究不使用开关器件的谐波降低方法是合适的。本研究研究了各种PFC电路来降低这种谐波。我们提出了一些新颖的整流电路。这些电路无需使用开关器件即可实现功率因数校正。由于不使用功率晶体管等开关器件，因此不会产生开关损耗和开关噪声，例如电磁干扰。由于开关装置的控制电路也不需要，因此降低了系统成本。许多作者提出了各种不带开关器件的PFC电路。然而，如果没有开关装置，在没有变压器或开关操作的情况下，要获得低于输入电源电压的电压有点困难。就变压器而言，重量和尺寸的问题很严重。在此背景下，本研究还讨论并提出了一种新颖的PFC电路，以非常简单的方式产生相应的直流电压。