MY107337A - Electronic ballast - Google Patents
Electronic ballastInfo
- Publication number
- MY107337A MY107337A MYPI91002403A MYPI19912403A MY107337A MY 107337 A MY107337 A MY 107337A MY PI91002403 A MYPI91002403 A MY PI91002403A MY PI19912403 A MYPI19912403 A MY PI19912403A MY 107337 A MY107337 A MY 107337A
- Authority
- MY
- Malaysia
- Prior art keywords
- switch
- primary
- electronic ballast
- switching
- switching transistor
- Prior art date
Links
Landscapes
- Inverter Devices (AREA)
- Circuit Arrangements For Discharge Lamps (AREA)
Abstract
THE PRIMARY OBJECT OF THE PRESENT INVENTION IS TO PROVIDE A SWITCHING MODE ELECTRONIC BALLAST, IN WHICH A RESONANT CAPACITOR IS INSTALLED IN PARALLEL WITH THE PRIMARY WINDING OF THE MAIN OUTPUT TRANSFORMER, AND THUS A FORCED RESONANCE RESULTED AT THE PRIMARY CIRCUIT DURING THE SWITCH OFF TIME OF THE SWITCHING TRANSISTOR; AND A PHASE LOCK CIRCUIT IT ADDED IN SERIES WITH THE FEEDBACK CIRCUIT OF THE DC-AC INVERTER, WHICH FORCES THE SWITCHING TRANSISTOR TO WORK IN SYNCHRONIZATION WITH THE OPERATION OF THE LC RESONANT TANK AND TO HAVE A ZERO VOLTAGE CROSSING WHEN SWITCH ON: SO A MINIMUM SWITCHING LOSS AS WELL AS A MINIMUM HARMONIC AND ELECTROMAGNETIC INTERFERENCE CAN BE REACHED; ALSO IT CAN BE EXPANDED TO HAVE MORE EFFECTIVE OPTIONS ON INTERFACE FOR LOGICAL SWITCHES. DIMMERS AND PROTECTORS.@@(FIGURE 1)@
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
MYPI91002403A MY107337A (en) | 1991-12-27 | 1991-12-27 | Electronic ballast |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
MYPI91002403A MY107337A (en) | 1991-12-27 | 1991-12-27 | Electronic ballast |
Publications (1)
Publication Number | Publication Date |
---|---|
MY107337A true MY107337A (en) | 1995-11-30 |
Family
ID=79961245
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MYPI91002403A MY107337A (en) | 1991-12-27 | 1991-12-27 | Electronic ballast |
Country Status (1)
Country | Link |
---|---|
MY (1) | MY107337A (en) |
-
1991
- 1991-12-27 MY MYPI91002403A patent/MY107337A/en unknown
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