Multifunctional ballast
A ballast and multi-functional technology, applied in the field of multi-functional ballasts, can solve the problems of difficult conversion and control of multiple lamps, and achieve the effects of easy conversion and control, simple operation, and extended working life.
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[0029] For a better understanding of the present invention, the following examples are used to illustrate.
[0030] refer to figure 2 , which illustrates a multi-functional ballast provided by the present invention, including sequential electric
[0031] The connected AC-DC conversion circuit, filter rectifier circuit, reverse converter, and output terminal, the multifunctional ballast also includes an electromagnetic filter circuit used to suppress the pollution of the power grid by high-frequency current harmonics, in order to improve the power factor , a power correction circuit that reduces harmonics and realizes constant power output, a short circuit protection device, the electromagnetic filter circuit is connected between the voltage input terminal and the AC-DC conversion circuit, and the power correction circuit is connected between the AC-DC conversion circuit and the filter Between the rectifier circuits, the short circuit protection circuit is set in the reverse ...
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