A new passive power factor corrector for single-phase bridge diode rectifiers

IEEE 34th Annual Conference on Power Electronics Specialist, 2003. PESC '03. Pub Date : 2003-06-15 DOI:10.1109/PESC.2003.1218141

R. Carbone, P. Corsonello

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引用次数: 15

Abstract

A new passive approach for power factor correction of single-phase uncontrolled bridge rectifiers is presented and discussed. Power factor correction is obtained by adding a proper branch with passive elements at the DC-side terminals of the rectifier; it is able to make the behavior of the total DC-load quasi-resistive. The optimal values of the power factor corrector parameters are calculated bearing in mind the load and the DC-filter parameters. An analysis of its performances and of its applicability limits is developed with the help of several PSpice numerical simulations on different case-study circuits. The proposed approach can be applied successfully on uncontrolled bridge rectifiers with continuous operation mode (i.e. inductive and inductive-capacitive filter on the DC-side) and good performances are also expected for diode rectifier with output voltage regulation operated by means of DC/DC regulators. The most important perspective is represented by the substitution of the resistor of the proposed passive branch with a "resistance emulator" able to guarantee similar effects on the rectifier absorbed current, avoiding extra power losses.

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一种用于单相桥式二极管整流器的新型无源功率因数校正器

提出并讨论了一种用于单相无控桥式整流器功率因数校正的无源方法。功率因数校正是通过在整流器的直流端增加带有无源元件的适当支路来实现的;它能够使整个直流负载的行为具有准电阻性。在考虑负载和直流滤波器参数的情况下，计算了功率因数校正器参数的最佳值。通过几种PSpice在不同案例研究电路上的数值模拟，分析了其性能和适用范围。该方法可成功应用于具有连续工作模式的非控制桥式整流器(即直流侧的电感和电感-电容滤波器)，并有望在使用DC/DC稳压器进行输出稳压的二极管整流器上取得良好的性能。最重要的观点是用一个“电阻模拟器”代替提议的无源支路的电阻，能够保证对整流器吸收电流的类似效果，避免额外的功率损失。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

IEEE 34th Annual Conference on Power Electronics Specialist, 2003. PESC '03.

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