Adjustable LCL filter optimization design method of T-type three-level energy storage converter
An energy storage converter, optimized design technology, applied in design optimization/simulation, conversion of AC power input to DC power output, electrical components, etc., can solve system stability and unfavorable output current, large converter volume, Complicated design process and other problems, to achieve the effect of improving the quality of incoming power, optimizing filter parameters, and simple design methods
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[0054] The present invention will be further described below with reference to the accompanying drawings and specific examples.
[0055] This example discloses a T-three-reservoir converter adjustable LCL filter optimization design method, such as figure 2 As shown, including the following steps
[0056] S01), build a filter model,
[0057] Such as figure 1 As shown, a T-type three-magnifying energy converter topology map using an LCL filter is given. Its AC side portion is three-phase alternating current, and the energy storage converter is connected to the AC source via the LCL filter.
[0058] The filter model is an LCL filter, including A, B, C three phases, including PCS converter side inductance, mesh side inductance, and filter capacitance, one end of the filter capacitor connects the converter side inductance and the mesh inductance. The connection point, the other end is grounded or connected to the corresponding network side inductor and the connection node between the g...
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