Electronic rectifier of fluorescent lamp
An electronic rectification, fluorescent lamp technology, applied in the direction of high-efficiency power electronic conversion, light source, electric light source, etc., can solve the problems of impossibility, poor electromagnetic interference resistance, low lumen coefficient, etc., to reduce interference, reduce reactive power loss, improve Effect of Lumen Factor
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[0011] Such as figure 1 Shown is a circuit block diagram of a fluorescent lamp electronic rectifier provided by the present invention, including a bridge rectifier circuit 2 and a starting circuit 4, the starting circuit 4 is connected in series with a high-frequency inverter circuit 5 and a starter circuit 7 in sequence, and the starting circuit 4 and the starting circuit 7 are connected in series. An abnormal protection automatic recovery circuit 8 is connected across the high-frequency inverter circuit 5, and a power factor main correction circuit 3 with power feedback is connected between the bridge rectifier circuit 2 and the start-up circuit 4. An auxiliary power factor correction circuit 1 is provided between the formula rectification circuits 2 .
[0012] Such as figure 2 As shown, it is an electrical schematic diagram of an electronic rectifier for a fluorescent lamp provided by the present invention. The power factor auxiliary correction circuit 1 includes a filter...
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