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摘要:
Electronic ballast is the important part of high pressure sodium lamp.Start-up mode of high pressure sodium lamp is the difficulty in this areas.Start-up voltage must higher than working voltage when the lamp start-up.Power supply voltage is not high to start-up the high pressure sodium lamp.So we need voltage transformer, pulse generator, resonance circuit and so on to generate the start-up voltage. We analyse the theory of electronic ballasts of high-pressure sodium lamp and make experiments in this paper. We have developed the sample of high pressure sodium lamp based on this theory,and got the obvious effect in energy-saving.
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