A 200–500-W transformer-type inductive light source operated at a frequency of 150–400 kHz |
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Authors: | O A Popov R T Chandler |
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Affiliation: | (1) Matsushita Electric Works R&D Laboratory, Massachusetts, USA |
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Abstract: | The results are given and discussed of experimental investigations of the electrical (voltage and current of inductance coil, loss of power in a ferrite magnetic circuit) and photometric (light flux and light output) characteristics of a 200–500-W transformer-type inductive fluorescent light source operated at frequency f = 150–325 kHz. The high light output (80–85 lm/W) at high power of 300–400 W and low frequency of 150 kHz is attained owing to low loss of power (4.5–6.5 W) in the magnetic circuit and inductance coil. |
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