高压汞灯电子镇流器

IAS '96. Conference Record of the 1996 IEEE Industry Applications Conference Thirty-First IAS Annual Meeting Pub Date : 1996-10-06 DOI:10.1109/IAS.1996.563866

T. Pousset, P. Cussac, G. Zissis, J. Damelincourt

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引用次数: 7

摘要

通常需要一个铁磁镇流器来稳定放电灯，这种镇流器预计尺寸小，损耗低。目前，谐振变换器在电能转换中的应用正在迅速扩大。开关的软整流限制了半导体中的整流损耗，因此可以实现高频操作，因此磁性元件(变压器，电感器)的尺寸显着减小。为此，研制了一种新型谐振变换器，它能在选定的频率范围内提供高功率。我们的镇流器设备由变频逆变电路、串联谐振电路和启动电容组成。开关工作在50khz - 70khz的频率范围内。本装置用于供电1.3 kW高压汞灯。灯在70千赫时打开，在50千赫时以标称操作模式工作。

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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Electronic ballast for high-pressure mercury lamps

A ferromagnetic ballast is generally needed to stabilise a discharge lamp, this ballast is expected to be of small size and with low losses. At the moment the use of resonant converters in the electric energy conversion is rapidly expanding. The soft commutation of the switches limits the commutation losses in the semiconductors and therefore enables high frequency operation, thus the dimensions of the magnetic components (transformer, inductors) are noticeably reduced. For these reasons, a new type of resonant converter, which can provide high power in a selected frequency range is developed. Our ballast equipment is composed of an inverter circuit, having variable switching frequency, a series resonant circuit and a starting capacitor. Switches operate in the frequency range 50 kHz-70 kHz. This device is used in order to supply a 1.3 kW high-pressure mercury discharge lamp. The lamp turns on at 70 kHz and operate in nominal operation mode at 50 kHz.

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IAS '96. Conference Record of the 1996 IEEE Industry Applications Conference Thirty-First IAS Annual Meeting

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