Jin-Jhe Hong

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Digitally group-asymmetrical PWM (DGAPWM) ballast for a dimmable fluorescent lamp is explored. The proposed DGAPWM can adaptively provide suitable duty-ratio in group pulse train for generating proper odd as well as even harmonics over whole spectrum of the lamp current so as to eliminate striation and thermostat effect. The DGAPWM activates during low(More)
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