Zero energy-storage ballast for compact fluorescent lamps
Patent
·
OSTI ID:678585
A CFL ballast includes complementary-type switching devices connected in series with their gates connected together at a control node. The switching devices supply a resonant tank circuit which is tuned to a frequency near, but slightly lower than, the resonant frequency of a resonant control circuit. As a result, the tank circuit restarts oscillations immediately following each zero crossing of the bus voltage. Such rapid restarts avoid undesirable flickering while maintaining the operational advantages and high efficacy of the CFL ballast. 4 figs.
- Sponsoring Organization:
- USDOE, Washington, DC (United States)
- Assignee:
- General Electric Co., Schenectady, NY (United States)
- Patent Number(s):
- US 5,945,783/A/
- Application Number:
- PAN: 9-114,617
- OSTI ID:
- 678585
- Country of Publication:
- United States
- Language:
- English
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