Circuit arrangement for driving a series circuit of low-pressure gas-discharge lamps, and method thereof
A low-pressure gas and circuit device technology is applied in the field of circuit devices to achieve the effects of increasing preheating current, reducing loss and reliable preheating
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[0018] The circuit arrangement 1 shown in the drawing comprises an input 2 with a first input connection 3 and a second input connection 4 . The second input terminal 4 is the reference potential for a control unit not shown in the figure. An inverter, also not shown in this figure and which can be driven by the control unit, is coupled to this reference potential and supplies the AC supply voltage U V . The supply AC voltage U V Applied between the first and second input terminals 3,4. The inverter generates the supply AC voltage U from the intermediate circuit DC voltage V , the intermediate circuit DC voltage is across an intermediate circuit capacitor not shown in the figure. The intermediate circuit DC voltage is here between the intermediate circuit pole 5 and the reference potential 4 of the control unit.
[0019] Furthermore, the circuit arrangement 1 comprises an output with a first connection device and a second connection device, which are respectively used for...
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