MMC five-level half-bridge anti-series submodule FLHASM topological structure
A topology and sub-module technology, applied in electrical components, output power conversion devices, and AC power input to DC power output, etc., can solve the immature manufacturing process, limit the development and application of flexible DC, and limit the use of overhead lines. And other issues
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[0045] Embodiment 1: as figure 1 As shown, a MMC five-level half-bridge anti-series sub-module FLHASM topology includes an MMC sub-module topology, and the MMC sub-module topology includes a sub-module output terminal, and the sub-module output terminal is a voltage positive output terminal and a negative pole At the output end, the sub-module topology also includes a left half and a right half. The left half is composed of two traditional half-bridge sub-modules (HBSM) connected in reverse series, and the right half is composed of two reversed half-bridge sub-module through a power device group T 7 and D 7 connection, the two parts are passed through a high-power diode D 10 Connected to form a complete sub-module topology.
[0046] T 1 ,T 2 ,T 3 ,T 4 ,D 1 ,D 2 ,D 3 ,D 4 and C 1 , C 2 A group constitutes the left half of the submodule, T 5 ,T 6 ,T 7 ,T 8 ,T 9 ,D 5 ,D 6 ,D 7 ,D 8 ,D 9 and C 3 , C 4 Form the right half of the submodule for the other grou...
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