Inertia support grid-connected control system and method based on direct-current capacitor
A technology of DC capacitor and control system, applied in the direction of AC network circuits, electrical components, circuit devices, etc., can solve problems such as the lack of virtual inertial control and the lack of comparison and verification of the effectiveness of virtual inertial control processes.
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[0074] The principles and features of the present invention will be described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.
[0075] figure 1 It is a structural block diagram of the system described in the embodiment of the present invention.
[0076] figure 2 for figure 1 Schematic diagram of the unfolded part of the structure.
[0077] image 3 for figure 1 Schematic diagram of active power control in the system.
[0078] see figure 1 , 2 As shown, an inertial support grid-connected control system based on DC capacitors, including:
[0079] The synchronous wind generator 1 is used to realize synchronous power generation and output three-phase alternating current;
[0080] The filter inductor 2 is arranged at the output end of each phase of the three-phase alternating current, and is used to filter out the low-order harmonic...
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