Current source inverter with energy clamping circuit and its control method
A technology of current source inverter and clamping circuit, which is applied in the direction of converting AC power input to DC power output, electrical components, output power conversion devices, etc., and can solve problems such as harmonic interference at the mains power supply end and fuse burnout
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[0070] Please refer to Fig. 5 (a), which shows the circuit of the first preferred embodiment of the current source inverter comprising the energy clamping circuit and the positive half cycle path of the impact current according to the present invention with relatively better effect A schematic diagram of the current flow. Wherein, the current source inverter 3 comprising the energy clamping circuit with better effect includes: step-down converter 11 and DC / AC converter 12 with switching bridge circuit 121, plug 122 and socket 123 (for providing The mains power supply) is the same as that described in the foregoing Fig. 3(a) to Fig. 3(c), and also includes an energy clamping circuit 31, and the energy clamping circuit 31 includes: a plurality of diodes 311 (by the first Diodes one to four: composed of D_A, D_B, D_C and D_D, which are the same as 21 in FIG. 3( a )) and a switch 312 . The positive half-cycle discharge path of the surge current is the same as that shown in FIG. 4...
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