Bidirectional isolation type resonant power converter control method based on virtual synchronous motor
A technology of virtual synchronous motor and power converter, which is applied in the direction of converting AC power input to DC power output, DC power input converting to DC power output, and output power conversion device, etc., can solve the problem of low voltage stability of power electronic converters. , lack of moment of inertia, high reactive power and other problems, to achieve the effect of satisfying high-efficiency charging and discharging, high-power transmission capacity, high stability and inertia
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[0035] Specific embodiments of the present invention will be described below in conjunction with the accompanying drawings.
[0036] This embodiment is mainly used as a bidirectional power converter for charging and discharging motors of electric vehicles. The structural topology of the bidirectional interface converter is as follows figure 1 shown. The grid AC bus passes through the line impedance Z ac and LC filter (L ac is the filter inductance, C ac is the filter capacitor, R ac is the filter resistor) to the AC side of the interface converter; the DC side of the interface converter passes through the DC capacitor C dc Connect the DC / DC converter, the primary side and the secondary side of the DC side of the interface converter are connected by a CLC resonant module, and then through the voltage stabilizing capacitor C f with filter inductor L f , and finally connected to the power battery electric vehicle battery.
[0037] A power control method based on a virtual ...
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