采用CC/CC降压变换器作为功率因数预调节器的250w高压钠灯低成本电子镇流器[CC/CC读DC/DC]

Conference Record of the 2002 IEEE Industry Applications Conference. 37th IAS Annual Meeting (Cat. No.02CH37344) Pub Date : 2002-12-10 DOI:10.1109/IAS.2002.1043784

J. Cardesín, J. Ribas, M. Rico, J. Alonso, A. Calleja, E. Corominas, J. Garcia

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引用次数: 0

摘要

本文介绍了一种用于250w高压钠灯的低成本功率因数校正电子镇流器。电子镇流器采用两级方案。第一级通过使用工作在不连续导通模式(DCM)和恒定占空比的CC/CC降压转换器实现功率因数校正，具有非常低的成本电路，符合标准IEC 1000 3-2。第二阶段是基于谐振全桥LCC串并联逆变器，具有谐振电流模式控制和最佳换流。这种电流模式控制最大限度地减少了开关的损耗和向输入电源返回的功率。

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A low cost electronic ballast for 250 W high pressure sodium vapour lamps using the CC/CC buck converter as power factor preregulator [CC/CC read DC/DC]

In this paper, a low cost electronic ballast with power factor correction for 250 W high pressure sodium vapour lamps is presented. The electronic ballast is based on a two-stage scheme. The first stage realises the power factor correction by using a CC/CC buck converter operating in discontinuous conduction mode (DCM) and constant duty cycle meeting the standard IEC 1000 3-2 with a very low cost circuit. The second stage is based on a resonant full-bridge LCC series-parallel inverter with resonant current mode control and optimum commutations. This current mode control minimises the losses in the switches and the return of power to the input power supply.

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Conference Record of the 2002 IEEE Industry Applications Conference. 37th IAS Annual Meeting (Cat. No.02CH37344)

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