Electronic ballast
An electronic ballast and voltage technology, applied in electric light sources, electrical components, lighting devices, etc., can solve the problems of many links and low efficiency, and achieve the effect of simple circuit and high efficiency
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[0056] The preferred embodiment of the present invention is shown in Fig. 2, which includes a rectifier and filter circuit for rectifying and filtering common alternating current; also includes a high-voltage trigger, which is used to provide a high-voltage trigger signal when the load R0 is started, and also includes Switch inverter and control unit,
[0057]The switching inverter receives the direct current output by the rectifier filter circuit, and converts the received direct current into voltage and current matching the electrical characteristics of the load R0, and then converts the direct current into a medium and low frequency square wave signal for driving the load R0 The load R0 here is mainly for MH (metal halide) lamps, but can also be other pure resistive loads, inductive loads, and loads in various applications where the output frequency is power frequency.
[0058] The control unit is used to control the operation of the electronic ballast. The start and operation ...
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