Lamp tube current equalizing method and applied circuit
A lamp and circuit technology, applied in the field of lamp current equalization method and application circuit, can solve the problems of different inductance and inability to apply odd number of lamps, etc.
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[0046] Please refer to Figure 7 , is a schematic diagram of current equalization and application of two lamp tubes of the present invention. Figure 7 The circuit shown takes two light tubes as an example, which includes two light tubes L1, L2, and one end of the two light tubes L1, L2 is respectively connected to a power source V sec , and the other ends are respectively connected to one side winding L1 of the transformers T1 and T2 P , L2 P , the other side winding L1 of the transformer T1, T2 S , L2 S It is connected in series to form a closed loop. Due to the electromagnetic induction characteristics of transformers T1 and T2, and through the winding L1 on one side of these transformers T1 and T2 S , L2 S The closed loop formed by series connection makes it flow through one side of the winding L1 S , L2 S The current ix is equal, thus, the power source V sec provide the same operating current i 1 i 2 To the two lamps L1, L2. In the above description, the tra...
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